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Capecitabine

Rx Oral RxCUI 200327
Contents

Overview

Active ingredient
Capecitabine
Established class
Nucleoside Metabolic Inhibitor
Mechanism class
Nucleic Acid Synthesis Inhibitors
Route
Oral
Label date
2026-06-17

Boxed warning

WARNING: SERIOUS ADVERSE REACTIONS OR DEATH IN PATIENTS WITH COMPLETE DPD DEFICIENCY and INCREASED RISK OF BLEEDING WITH CONCOMITANT USE OF VITAMIN K ANTAGONISTS Increased risk of serious adverse reactions or death in patients with complete DPD deficiency Test patients for genetic variants of DPYD prior to initiating capecitabine tablets unless immediate treatment is necessary. Avoid use of capecitabine tablets in patients with certain homozygous or compound heterozygous DPYD variants that result in complete DPD deficiency [see Warnings and Precautions ( 5.1 )]. Increased risk of bleeding with concomitant use of Vitamin K antagonists Altered coagulation parameters and/or bleeding, including death, have been reported in patients taking capecitabine tablets concomitantly with oral vitamin K antagonists, such as warfarin [see Warnings and Precautions ( 5.2 ), Drug Interactions ( 7.2 )]. Clinically significant increases in prothrombin time (PT) and international normalized ratio (INR) have been reported in patients who were on stable doses of a vitamin K antagonist at the time capecitabine tablets was introduced. These events occurred in patients with and without liver metastases. Monitor INR more frequently and adjust the dose of the vitamin K antagonist as appropriate [see Drug Interactions ( 7.2 )]. WARNING: SERIOUS ADVERSE REACTIONS OR DEATH IN PATIENTS WITH COMPLETE DPD DEFICIENCY and BLEEDING WITH CONCOMITANT USE OF VITAMIN K ANTAGONISTS See full prescribing information for complete boxed warning . Serious adverse reactions or death may occur in patients with complete DPD deficiency. Test patients for genetic variants of DPYD prior to initiating capecitabine tablets unless immediate treatment is necessary. Avoid use of capecitabine tablets in patients with certain homozygous or compound heterozygous DPYD variants that result in complete DPD deficiency. ( 5.1 ) Altered coagulation parameters and/or bleeding, including death, have been reported in patients taking capecitabine tablets concomitantly with oral vitamin K antagonists. ( 5.2 , 7.2 ) Monitor international normalized ratio (INR) more frequently and adjust the dose of the vitamin K antagonist as appropriate. ( 7.2 )

Indications and usage

Capecitabine tablets are a nucleoside metabolic inhibitor indicated for: Colorectal Cancer adjuvant treatment of patients with Stage III colon cancer as a single agent or as a component of a combination chemotherapy regimen. ( 1.1 ) perioperative treatment of adults with locally advanced rectal cancer as a component of chemoradiotherapy. ( 1.1 ) treatment of patients with unresectable or metastatic colorectal cancer as a single agent or as a component of a combination chemotherapy regimen. ( 1.1 ) Breast Cancer treatment of patients with advanced or metastatic breast cancer as a single agent if an anthracycline- or taxane-containing chemotherapy is not indicated. ( 1.2 ) treatment of patients with advanced or metastatic breast cancer in combination with docetaxel after disease progression on prior anthracycline-containing chemotherapy. ( 1.2 ) Gastric, Esophageal, or Gastroesophageal Junction Cancer treatment of adults with unresectable or metastatic gastric, esophageal, or gastroesophageal junction cancer as a component of a combination chemotherapy regimen. ( 1.3 ) treatment of adults with HER2-overexpressing metastatic gastric or gastroesophageal junction adenocarcinoma who have not received prior treatment for metastatic disease as a component of a combination regimen. ( 1.3 ) Pancreatic Cancer adjuvant treatment of adults with pancreatic adenocarcinoma as a component of a combination chemotherapy regimen. ( 1.4 )

1.1 Colorectal Cancer Capecitabine tablets are indicated for the: adjuvant treatment of patients with Stage III colon cancer as a single agent or as a component of a combination chemotherapy regimen. perioperative treatment of adults with locally advanced rectal cancer as a component of chemoradiotherapy. treatment of patients with unresectable or metastatic colorectal cancer as a single agent or as a component of a combination chemotherapy regimen.

1.2 Breast Cancer Capecitabine tablets are indicated for the: treatment of patients with advanced or metastatic breast cancer as a single agent if an anthracycline- or taxane-containing chemotherapy is not indicated. treatment of patients with advanced or metastatic breast cancer in combination with docetaxel after disease progression on prior anthracycline-containing chemotherapy.

1.3 Gastric, Esophageal, or Gastroesophageal Junction Cancer Capecitabine tablets are indicated for the: treatment of adults with unresectable or metastatic gastric, esophageal, or gastroesophageal junction cancer as a component of a combination chemotherapy regimen. treatment of adults with HER2-overexpressing metastatic gastric or gastroesophageal junction adenocarcinoma who have not received prior treatment for metastatic disease as a component of a combination regimen.

1.4 Pancreatic Cancer Capecitabine tablets are indicated for the adjuvant treatment of adults with pancreatic adenocarcinoma as a component of a combination chemotherapy regimen.

Dosage and administration

Adjuvant Treatment of Colon Cancer Single agent: 1,250 mg/m 2 twice daily orally for the first 14 days of each 21-day cycle for a maximum of 8 cycles. ( 2.1 ) In combination with Oxaliplatin-Containing Regimens: 1,000 mg/m 2 orally twice daily for the first 14 days of each 21-day cycle for a maximum of 8 cycles in combination with oxaliplatin 130 mg/m 2 administered intravenously on day 1 of each cycle. ( 2.2 ) Perioperative Treatment of Rectal Cancer With Concomitant Radiation Therapy: 825 mg/m 2 orally twice daily ( 2.2 ) Without Radiation Therapy: 1,250 mg/m 2 orally twice daily ( 2.2 ) Unresectable or Metastatic Colorectal Cancer: Single agent: 1,250 mg/m 2 twice daily orally for the first 14 days of each 21-day cycle until disease progression or unacceptable toxicity. ( 2.2 ) In Combination with Oxaliplatin: 1,000 mg/m 2 orally twice daily for the first 14 days of each 21-day cycle until disease progression or unacceptable toxicity in combination with oxaliplatin 130 mg/m 2 administered intravenously on day 1 of each cycle. ( 2.2 ) Advanced or Metastatic Breast Cancer: Single agent: 1,000 mg/m 2 or 1,250 mg/m 2 twice daily orally for the first 14 days of each 21-day cycle until disease progression or unacceptable toxicity. ( 2.3 ) In combination with docetaxel: 1,000 mg/m 2 or 1,250 mg/m 2 orally twice daily for the first 14 days of a 21-day cycle, until disease progression or unacceptable toxicity in combination with docetaxel at 75 mg/m 2 administered intravenously on day 1 of each cycle ( 2.3 ) Unresectable or Metastatic Gastric, Esophageal, or Gastroesophageal Junction Cancer 625 mg/m 2 orally twice daily on days 1 to 21 of each 21-day cycle for a maximum of 8 cycles in combination with platinum-containing chemotherapy. ( 2.4 )OR 850 mg/m 2 or 1,000 mg/m 2 orally twice daily for the first 14 days of each 21-day cycle until disease progression or unacceptable toxicity in combination with oxaliplatin 130 mg/m 2 administered intravenously on day 1 of each cycle. ( 2.4 ) HER2-overexpressing metastatic adenocarcinoma of the gastroesophageal junction or stomach 1,000 mg/m 2 orally twice daily for the first 14 days of each 21-day cycle until disease progression or unacceptable toxicity in combination with cisplatin and trastuzumab. ( 2.4 ) Pancreatic cancer 830 mg/m 2 orally twice daily for the first 21 days of each 28-day cycle for maximum of 6 cycles in combination with gemcitabine 1,000 mg/m 2 administered intravenously on days 1, 8, and 15 of each cycle. ( 2.5 ) Refer to Sections 2.5 and 2.6 for information related to dosage modifications for adverse reactions and renal impairment ( 2.5 and 2.6 ).

2.1 Evaluation and Testing of DPD Deficiency Before Initiating Capecitabine Tablets Prior to initiating capecitabine tablets, test patients for genetic variants of the DPYD gene unless immediate treatment is necessary. An FDA-authorized test for the detection of the DPYD gene to identify patients at risk of serious adverse reactions with capecitabine tablet is not currently available. Currently available tests used to identify DPYD variants may vary in accuracy and design (e.g., which DPYD variant(s) they identify). Avoid use of capecitabine tablets in patients known to have certain homozygous or compound heterozygous DPYD variants that result in complete DPD deficiency. No capecitabine tablets dose has been proven safe for patients with complete DPD deficiency. For patients with partial DPD deficiency, individualize the dosage and modify based on tolerability and intent of treatment [see Warnings and Precautions ( 5.1 )].

2.2 Recommended Dosage for Colorectal Cancer Adjuvant Treatment of Colon Cancer Single Agent The recommended dosage of capecitabine tablet is 1,250 mg/m 2 orally twice daily for the first 14 days of each 21-day cycle for a maximum of 8 cycles. In Combination with Oxaliplatin-Containing Regimens The recommended dosage of capecitabine tablet is 1,000 mg/m 2 orally twice daily for the first 14 days of each 21-day cycle for a maximum of 8 cycles in combination with oxaliplatin 130 mg/m 2 administered intravenously on day 1 of each cycle. Refer to the oxaliplatin prescribing information for additional dosing information as appropriate. Perioperative Treatment of Rectal Cancer The recommended dosage of capecitabine is 825 mg/m 2 orally twice daily when administered with concomitant radiation therapy and 1,250 mg/m 2 orally twice daily when administered without radiation therapy as part of a peri-operative combination regimen. Unresectable or Metastatic Colorectal Cancer Single Agent The recommended dosage of capecitabine tablet is 1,250 mg/m 2 orally twice daily for the first 14 days of a 21-day cycle until disease progression or unacceptable toxicity. In Combination with Oxaliplatin The recommended dosage of capecitabine tablet is 1,000 mg/m 2 orally twice daily for the first 14 days of each 21-day cycle until disease progression or unacceptable toxicity in combination with oxaliplatin 130 mg/m 2 administered intravenously on day 1 of each cycle. Refer to the Prescribing Information for oxaliplatin for additional dosing information as appropriate.

2.3 Recommended Dosage for Breast Cancer Advanced or Metastatic Breast Cancer Single Agent The recommended dosage of capecitabine tablet is 1,000 mg/m 2 or 1,250 mg/m 2 orally twice daily for the first 14 days of a 21-day cycle until disease progression or unacceptable toxicity. Individualize the dose and dosing schedule of capecitabine tablets based on patient risk factors and adverse reactions. In Combination with Docetaxel The recommended dosage of capecitabine tablet is 1,000 mg/m 2 or 1,250 mg/m 2 orally twice daily for the first 14 days of a 21-day cycle until disease progression or unacceptable toxicity in combination with docetaxel 75 mg/m 2 administered intravenously on day 1 of each cycle. Refer to the Prescribing Information for docetaxel for additional dosing information as appropriate.

2.4 Recommended Dosage for Gastric, Esophageal, or Gastroesophageal Junction Cancer The recommended dosage of capecitabine tablets for unresectable or metastatic gastric, esophageal, or gastroesophageal junction cancer is: 625 mg/m 2 orally twice daily on days 1 to 21 of each 21-day cycle for a maximum of 8 cycles in combination with platinum-containing chemotherapy. OR 850 mg/m 2 or 1,000 mg/m 2 orally twice daily for the first 14 days of each 21-day cycle until disease progression or unacceptable toxicity in combination with oxaliplatin 130 mg/m 2 administered intravenously on day 1 of each cycle. Individualize the dose and dosing schedule of capecitabine tablets based on patient risk factors and adverse reactions. The recommended dosage of capecitabine tablets for HER2-overexpressing metastatic gastric or gastroesophageal junction adenocarcinoma is 1,000 mg/m 2 orally twice daily for the first 14 days of each 21-day cycle until disease progression or unacceptable toxicity in combination with cisplatin and trastuzumab. Refer to the Prescribing Information for agents used in combination for additional dosing information as appropriate.

2.5 Recommended Dosage for Pancreatic Cancer The recommended dosage of capecitabine tablet is 830 mg/m 2 orally twice daily for the first 21 days of each 28-day cycle until disease progression, unacceptable toxicity, or for a maximum 6 cycles in combination with gemcitabine 1,000 mg/m 2 administered intravenously on days 1, 8, and 15 of each cycle. Refer to Prescribing Information for gemcitabine for additional dosing information as appropriate.

2.6 Dosage Modifications for Adverse Reactions Monitor patients for adverse reactions and modify dosages of capecitabine tablets as described in Table 1. Do not replace missed doses of capecitabine tablets; instead resume capecitabine tablets with the next planned dosage. When capecitabine tablets are administered with docetaxel, withhold capecitabine tablets and docetaxel until the requirements for resuming both capecitabine tablets and docetaxel are met. Refer to the Prescribing Information for docetaxel for additional dosing information as appropriate. Table 1 Recommended Dosage Modifications for Adverse Reactions Severity Dosage Modification Resume at Same or Reduced Dose (Percent of Current Dose) Grade 2 1st appearance Withhold until resolved to grade 0 to 1. 100% 2nd appearance 75% 3rd appearance 50% 4th appearance Permanently discontinue. - Grade 3 1st appearance Withhold until resolved to grade 0 to 1. 75% 2nd appearance 50% 3rd appearance Permanently discontinue. - Grade 4 1st appearance Permanently discontinue OR Withhold until resolved to grade 0 to 1. 50% Hyperbilirubinemia Patients with Grade 3 to 4 hyperbilirubinemia may resume treatment once the event is Grade 2 or less (less than three times the upper limit of normal), using the percent of current dose as shown in column 3 of Table 1 [see Warnings and Precautions ( 5.10 )].

2.7 Dosage Modification For Renal Impairment Reduce the dose of capecitabine tablets by 25% for patients with creatinine clearance (CLcr) of 30 to 50 mL/min as determined by Cockcroft-Gault equation. A dosage has not been established in patients with severe renal impairment (CLcr <30 mL/min) [see Use in Specific Populations ( 8.6 )] .

2.8 Administration Round the recommended dosage for patients to the nearest 150 mg dose to provide whole capecitabine tablets. Swallow capecitabine tablets whole with water within 30 minutes after a meal. Do not chew, cut, or crush capecitabine tablets [see Warnings and Precautions ( 5.12 )]. Take capecitabine tablets at the same time each day approximately 12 hours apart. Do not take an additional dose after vomiting and continue with the next scheduled dose. Do not take a missed dose and continue with the next scheduled dose. Capecitabine tablets are a hazardous drug. Follow applicable special handling and disposal procedures. 1

Dosage forms and strengths

Tablets, film-coated: 150 mg: Light Peach color, oval shaped with 'A015' on the one side and '150' on the other side 500 mg: Light Peach color, oval shaped with 'A016' on the one side and '500' on the other side Tablets: 150 mg and 500 mg ( 3 )

Contraindications

Capecitabine tablets are contraindicated in patients with history of severe hypersensitivity reaction to fluorouracil or capecitabine [see Adverse Reactions (6.1)] . History of severe hypersensitivity reactions to fluorouracil or capecitabine ( 4 )

Warnings and precautions

5 WARNINGS AND PRECAUTIONS Cardiotoxicity : May be more common in patients with a prior history of coronary artery disease. Withhold capecitabine tablets for cardiotoxicity as appropriate. The safety of resumption of capecitabine tablets in patients with cardiotoxicity that has resolved has not been established. ( 2.5 , 5.3 ) Diarrhea : Withhold capecitabine tablets and then resume at same or reduced dose, or permanently discontinue, based on severity and occurrence. ( 2.5 , 5.4 ) Dehydration : Optimize hydration before starting capecitabine tablets. Monitor hydration status and kidney function at baseline and as clinically indicated. Withhold capecitabine tablets and then resume at same or reduced dose or permanently discontinue, based on severity and occurrence. ( 2.5 , 5.5 ) Renal Toxicity : Monitor renal function at baseline and as clinically indicated. Optimize hydration before starting capecitabine tablets. Withhold capecitabine tablets and then resume at same or reduced dose, or permanently discontinue, based on severity and occurrence. ( 2.5 , 5.6 ) Serious Skin Toxicities : Monitor for new or worsening serious skin reactions. Permanently discontinue capecitabine tablets in patients who experience a severe cutaneous adverse reaction. ( 5.7 ) Palmar-Plantar Erythrodysesthesia Syndrome : Withhold capecitabine tablets then resume at same or reduced dose, or permanently discontinue, based on severity and occurrence. ( 2.5 , 5.8 ) Myelosuppression : Monitor complete blood count at baseline and before each cycle. Capecitabine tablets are not recommended in patients with baseline neutrophil counts <1.5 x 10 9 /L or platelet counts <100 x 10 9 /L. For grade 3 or 4 myelosuppression, withhold capecitabine tablets and then resume at same or reduced dose, or permanently discontinue, based on occurrence. ( 2.5 , 5.9 ) Hyperbilirubinemia : Patients with Grade 3 to 4 hyperbilirubinemia may resume treatment once the event is Grade 2 or less ( < 3 x ULN), using the percent of current dose as shown in column 3 of Table 1 ( 2.5 , 5.10 ) Embryo-Fetal Toxicity : Can cause fetal harm. Advise patients of the potential risk to a fetus and to use effective contraception. ( 5.11 , 8.1 , 8.3 )

5.1 Serious Adverse Reactions or Death from Dihydropyrimidine Dehydrogenase (DPD) Deficiency Patients with certain homozygous or compound heterozygous variants in the DPYD gene known to result in complete or near complete absence of DPD activity (complete DPD deficiency) are at increased risk for acute early-onset toxicity and serious, including fatal, adverse reactions due to capecitabine tablets (e.g., mucositis, diarrhea, neutropenia, and neurotoxicity). Patients with partial DPD activity (partial DPD deficiency) may also have increased risk of serious, or fatal, adverse reactions. Prior to initiating capecitabine tablets, test patients for genetic variants of the DPYD gene unless immediate treatment is necessary [see Clinical Pharmacology ( 12.5 )] . Serious adverse reactions may still occur even if no DPYD variants are identified. Avoid use of capecitabine tablets in patients with certain homozygous or compound heterozygous DPYD variants that result in complete DPD deficiency. Withhold or permanently discontinue capecitabine tablets based on clinical assessment of the onset, duration, and severity of adverse reactions in patients with evidence of acute early-onset or unusually severe reactions. No capecitabine tablets dose has been proven safe for patients with complete DPD deficiency. For patients with partial DPD deficiency, individualize the dosage and modify based on tolerability and intent of treatment. An FDA-authorized test for the detection of genetic variants of the DPYD gene to identify patients at risk of serious adverse reactions with capecitabine tablets treatment is not currently available. Currently available tests used to identify DPYD variants may vary in accuracy and design (e.g., which DPYD variant(s) they identify).

5.2 Increased Risk of Bleeding With Concomitant Use of Vitamin K Antagonists Altered coagulation parameters and/or bleeding, including death, have been reported in patients taking capecitabine tablets concomitantly with vitamin K antagonists, such as warfarin. Clinically significant increases in PT and INR have been reported in patients who were on stable doses of oral vitamin K antagonists at the time capecitabine tablets was introduced. These events occurred within several days and up to several months after initiating capecitabine tablets and, in a few cases, within 1 month after stopping capecitabine tablets. These events occurred in patients with and without liver metastases. Monitor INR more frequently and adjust the dose of the vitamin K antagonist as appropriate [see Drug Interactions ( 7.1 )].

5.3 Cardiotoxicity Cardiotoxicity can occur with capecitabine tablets. Myocardial infarction/ischemia, angina, dysrhythmias, cardiac arrest, cardiac failure, sudden death, electrocardiographic changes, and cardiomyopathy have been reported with capecitabine tablets. These adverse reactions may be more common in patients with a prior history of coronary artery disease. Withhold capecitabine tablets for cardiotoxicity as appropriate [see Dosage and Administration (2.5)] . The safety of resumption of capecitabine tablets in patients with cardiotoxicity that has resolved have not been established.

5.4 Diarrhea Diarrhea, sometimes severe, can occur with capecitabine tablets. In 875 patients with metastatic breast or colorectal cancer who received capecitabine tablets as a single agent, the median time to first occurrence of grade 2 to 4 diarrhea was 34 days (range: 1 day to 1 year). The median duration of grade 3 to 4 diarrhea was 5 days. Withhold capecitabine tablets and then resume at same or reduced dose or permanently discontinue based on severity and occurrence [see Dosage and Administration (2.5)] .

5.5 Dehydration Dehydration can occur with capecitabine tablets. Patients with anorexia, asthenia, nausea, vomiting, or diarrhea may be at an increased risk of developing dehydration with capecitabine tablets. Optimize hydration before starting capecitabine tablets. Monitor hydration status and kidney function at baseline and as clinically indicated. Withhold capecitabine tablets and then resume at same or reduced dose, or permanently discontinue, based on severity and occurrence [see Dosage and Administration (2.5)].

5.6 Renal Toxicity Serious renal failure, sometimes fatal, can occur with capecitabine tablets. Renal impairment or coadministration of capecitabine tablets with other products known to cause renal toxicity may increase the risk of renal toxicity [see Drug Interactions (7.3)] . Monitor renal function at baseline and as clinically indicated. Optimize hydration before starting capecitabine tablets. Withhold capecitabine tablets and then resume at same or reduced dose, or permanently discontinue, based on severity and occurrence [see Dosage and Administration (2.5)] .

5.7 Serious Skin Toxicities Severe cutaneous adverse reactions (SCARs), including Stevens-Johnson Syndrome and toxic epidermal necrolysis (TEN), which can be fatal, can occur with capecitabine tablets [see Adverse Reactions (6.2)] . Monitor for new or worsening serious skin reactions. Permanently discontinue capecitabine tablets for severe cutaneous adverse reactions.

5.8 Palmar-Plantar Erythrodysesthesia Syndrome Palmar-plantar erythrodysesthesia syndrome (PPES) can occur with capecitabine tablets. In patients with metastatic breast or colorectal cancer who received capecitabine tablets as a single agent, the median time to onset of grades 1 to 3 PPES was 2.6 months (range: 11 days to 1 year). Withhold capecitabine tablets and then resume at same or reduced dose or permanently discontinue based on severity and occurrence [see Dosage and Administration (2.5)].

5.9 Myelosuppression Myelosuppression can occur with capecitabine tablets. In the 875 patients with metastatic breast or colorectal cancer who received capecitabine tablets as a single agent, 3.2% had grade 3 or 4 neutropenia, 1.7% had grade 3 or 4 thrombocytopenia, and 2.4% had grade 3 or 4 anemia. In the 251 patients with metastatic breast cancer who received capecitabine tablets with docetaxel, 68% had grade 3 or 4 neutropenia, 2.8% had grade 3 or 4 thrombocytopenia, and 10% had grade 3 or 4 anemia. Necrotizing enterocolitis (typhlitis) has been reported. Consider typhlitis in patients with fever, neutropenia and abdominal pain. Monitor complete blood count at baseline and before each cycle. Capecitabine tablets are not recommended if baseline neutrophil count <1.5 x 10 9 /L or platelet count <100 x 10 9 /L. For grade 3 to 4 myelosuppression, withhold capecitabine tablets and then resume at same or reduced dose, or permanently discontinue, based on occurrence [see Dosage and Administration (2.5)] .

5.10 Hyperbilirubinemia Hyperbilirubinemia can occur with capecitabine tablets. In the 875 patients with metastatic breast or colorectal cancer who received capecitabine tablets as a single agent, grade 3 hyperbilirubinemia occurred in 15% of patients and grade 4 hyperbilirubinemia occurred in 3.9%. Of the 566 patients who had hepatic metastases at baseline and the 309 patients without hepatic metastases at baseline, grade 3 or 4 hyperbilirubinemia occurred in 23% and 12%, respectively. Of these 167 patients with grade 3 or 4 hyperbilirubinemia, 19% had postbaseline increased alkaline phosphatase and 28% had postbaseline increased transaminases at any time (not necessarily concurrent). The majority of these patients with increased transaminases or alkaline phosphatase had liver metastases at baseline. In addition, 58% and 35% of the 167 patients with grade 3 or 4 hyperbilirubinemia had pre- and postbaseline increased alkaline phosphatase or transaminases (grades 1 to 4), respectively. Only 8% (n=13) and 3% (n=5) had grade 3 or 4 increased alkaline phosphatase or transaminases. In the 596 patients who received capecitabine tablets for metastatic colorectal cancer, the incidence of grade 3 or 4 hyperbilirubinemia was similar to that observed for the pooled population of patients with metastatic breast and colorectal cancer. The median time to onset for grade 3 or 4 hyperbilirubinemia was 64 days and median total bilirubin increased from 8 µm/L at baseline to 13 µm/L during treatment with capecitabine tablets. Of the 136 patients with grade 3 or 4 hyperbilirubinemia, 49 patients had grade 3 or 4 hyperbilirubinemia as their last measured value, of which 46 had liver metastases at baseline. In the 251 patients with metastatic breast cancer who received capecitabine tablets with docetaxel, grade 3 hyperbilirubinemia occurred in 7% and grade 4 hyperbilirubinemia occurred in 2%. Withhold capecitabine tablets and then resume at a same or reduced dose, or permanently discontinue, based on occurrence [see Dosage and Administration (2.5)]. Patients with Grade 3 to 4 hyperbilirubinemia may resume treatment once the event is Grade 2 or less than three times the upper limit of normal, using the percent of current dose as shown in Table 1 [see Dosage and Administration (2.5)] .

5.11 Embryo-Fetal Toxicity Based on findings from animal reproduction studies and its mechanism of action, capecitabine tablets can cause fetal harm when administered to a pregnant woman. Insufficient data is available on capecitabine tablets use in pregnant women to evaluate a drug-associated risk. In animal reproduction studies, administration of capecitabine to pregnant animals during the period of organogenesis caused embryolethality and teratogenicity in mice and embryolethality in monkeys at 0.2 and 0.6 times the human exposure (AUC) in patients who received a dosage of 1,250 mg/m 2 twice daily, respectively. Advise pregnant women of the potential risk to a fetus. Advise females of reproductive potential to use effective contraception during treatment with capecitabine tablets and for 6 months following the last dose. Advise males with female partners of reproductive potential to use effective contraception during treatment with capecitabine tablets and for 3 months following the last dose [see Use in Specific Populations (8.1, 8.3)] .

5.12 Eye Irritation, Skin Rash and Other Adverse Reactions from Exposure to Crushed Tablets In instances of exposure to crushed capecitabine tablets, the following adverse reactions have been reported: eye irritation and swelling, skin rash, diarrhea, paresthesia, headache, gastric irritation, vomiting and nausea. Advise patients not to cut or crush tablets. If capecitabine tablets must be cut or crushed, this should be done by a professional trained in safe handling of cytotoxic drugs using appropriate equipment and safety procedures [see Dosage and Administration (2.7)]. The safety and effectiveness have not been established for the administration of crushed capecitabine tablets.

Drug interactions

Allopurinol : Avoid concomitant use of allopurinol with capecitabine tablets. ( 7.1 ) Leucovorin : Closely monitor for toxicities when capecitabine tablets are coadministered with leucovorin. ( 7.1 ) CYP2C9 substrates : Closely monitor for adverse reactions when CYP2C9 substrates are coadministered with capecitabine tablets. ( 7.2 ) Vitamin K antagonists: Monitor INR more frequently and dose adjust oral vitamin K antagonist as appropriate Phenytoin : Closely monitor phenytoin levels in patients taking capecitabine tablets concomitantly with phenytoin and adjust the phenytoin dose as appropriate. ( 7.2 ) Nephrotoxic drugs: Closely monitor for signs of renal toxicity when capecitabine tablets are used concomitantly with nephrotoxic drugs. ( 7.3 )

7.1 Effect of Other Drugs on Capecitabine Tablets Allopurinol Concomitant use with allopurinol may decrease concentration of capecitabine’s active metabolites [see Clinical Pharmacology (12.3)] , which may decrease efficacy. Avoid concomitant use of allopurinol with capecitabine tablets. Leucovorin The concentration of fluorouracil is increased and its toxicity may be enhanced by leucovorin, folic acid, or folate analog products. Deaths from severe enterocolitis, diarrhea, and dehydration have been reported in elderly patients receiving weekly leucovorin and fluorouracil. Instruct patients not to take products containing folic acid or folate analog products unless directed to do so by their healthcare provider.

7.2 Effect of Capecitabine Tablets on Other Drugs CYP2C9 Substrates Capecitabine tablets increased exposure of CYP2C9 substrates [see Clinical Pharmacology (12.3)] , which may increase the risk of adverse reactions related to these substrates. Closely monitor for adverse reactions of CYP2C9 substrates where minimal concentration changes may lead to serious adverse reactions when used concomitantly with capecitabine tablets (e.g., anticoagulants, antidiabetic drugs). Vitamin K Antagonists Capecitabine tablets increases exposure of vitamin K antagonist [see Clinical Pharmacology (12.3)], which may alter coagulation parameters and/or bleeding and could result in death [see Warning and Precautions (5.1)] . These events may occur within days of treatment initiation and up to 1 month after discontinuation of capecitabine tablets. Monitor INR more frequently and refer to the prescribing information of oral vitamin K antagonist for dosage adjustment, as appropriate, when capecitabine tablets are used concomitantly with vitamin K antagonist. Phenytoin Capecitabine tablets may increases exposure of phenytoin, which may increase the risk of adverse reactions related to phenytoin. Closely monitor phenytoin levels and refer to the prescribing information of phenytoin for dosage adjustment, as appropriate, when capecitabine tablets are used concomitantly with phenytoin.

7.3 Nephrotoxic Drugs Due of the additive pharmacologic effect, concomitant use of capecitabine tablets with other drugs known to cause renal toxicity may increase the risk of renal toxicity [see Warnings and Precautions (5.6)]. Closely monitor for signs of renal toxicity when capecitabine tablets are used concomitantly with nephrotoxic drugs (e.g. platinum salts, irinotecan, methotrexate, intravenous bisphosphonates).

Adverse reactions

The following clinically significant adverse reactions are described elsewhere in the labeling: Cardiotoxicity [see Warnings and Precautions (5.3)] Diarrhea [see Warnings and Precautions (5.4)] Dehydration [see Warnings and Precautions (5.5)] Renal Toxicity [see Warnings and Precautions (5.6)] Serious Skin Toxicities [see Warnings and Precautions (5.7)] Palmar-Plantar Erythrodysesthesia Syndrome [see Warnings and Precautions (5.8)] Myelosuppression [see Warnings and Precautions (5.9)] Hyperbilirubinemia [see Warnings and Precautions (5.10)] Most common adverse reactions in patients who received capecitabine tablets as a single agent for the adjuvant treatment for colon cancer ( > 30%) were palmar-plantar erythrodysesthesia syndrome, diarrhea, and nausea. ( 6.1 ) Most common adverse reactions ( > 30%) in patients with metastatic colorectal cancer who received capecitabine tablets as a single agent were anemia, diarrhea, palmar-plantar erythrodysesthesia syndrome, hyperbilirubinemia, nausea, fatigue, and abdominal pain. ( 6.1 ) Most common adverse reactions ( > 30%) in patients with metastatic breast cancer who received capecitabine tablets with docetaxel were diarrhea, stomatitis, palmar-plantar erythrodysesthesia syndrome, nausea, alopecia, vomiting, edema, and abdominal pain. ( 6.1 ) Most common adverse reactions ( > 30%) in patients with metastatic breast cancer who received capecitabine tablets as a single agent were lymphopenia, anemia, diarrhea, hand-and-foot syndrome, nausea, fatigue, vomiting, and dermatitis. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Ascend Laboratories, LLC at 1-877-272-7901 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .

6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Adjuvant Treatment of Colon Cancer Single Agent The safety of capecitabine tablets as a single agent was evaluated in patients with Stage III colon cancer in X-ACT [see Clinical Studies (14.1)] . Patients received capecitabine tablets 1,250 mg/m 2 orally twice daily for the first 14 days of a 21-day cycle (N=995) or leucovorin 20 mg/m 2 intravenously followed by fluorouracil 425 mg/m 2 as an intravenous bolus on days 1 to 5 of each 28-day cycle (N=974). Among patients who received capecitabine tablets, the median duration of treatment was 5.4 months. Deaths due to all causes occurred in 0.8% of patients who received capecitabine tablets on study or within 28 days of receiving study drug. Permanent discontinuation due to an adverse reaction occurred in 11% of patients who received capecitabine tablets. Most common adverse reactions (>30%) were palmar-plantar erythrodysesthesia syndrome, diarrhea, and nausea. Tables 2 and 3 summarize the adverse reactions and laboratory abnormalities in X-ACT. Table 2 Adverse Reactions ( > 10%) in Patients Who Received Capecitabine Tablets for Adjuvant Treatment of Colon Cancer in X-ACT Adverse Reaction Capecitabine Tablets (N=995) Fluorouracil + Leucovorin (N=974) All Grades (%) Grade 3 or 4 (%) All Grades (%) Grade 3 or 4 (%) Skin and Subcutaneous Tissue Palmar-plantar erythrodysesthesia syndrome 60 17 9 <1 Gastrointestinal Diarrhea 47 12 65 14 Nausea 34 2 47 2 Stomatitis 22 2 60 14 Vomiting 15 2 21 2 Abdominal pain 14 3 16 2 General Fatigue 16 <1 16 1 Asthenia 10 <1 10 1 Lethargy 10 <1 9 <1 Clinically relevant adverse reactions in <10% of patients are presented below: Eye: conjunctivitis Gastrointestinal: constipation, upper abdominal pain, dyspepsia General: pyrexia Metabolism and Nutrition: anorexia Nervous System: dizziness, dysgeusia, headache Skin & Subcutaneous Tissue: rash, alopecia, erythema Table 3 Grade 3 or 4 Laboratory Abnormalities (>1%) in Patients Who Received Capecitabine Tablets as a Single Agent for Adjuvant Treatment of Colon Cancer in X- ACT Laboratory Abnormality Capecitabine Tablets (N=995) Fluorouracil + Leucovorin (N=974) Grade 3 or 4 (%) Grade 3 or 4 (%) Bilirubin increased 20 6 Lymphocytes decreased 13 13 Neutrophils/granulocytes decreased 2.4 26 Calcium decreased 2.3 2.2 Neutrophils decreased 2.2 26 ALT increased 1.6 0.6 Calcium increased 1.1 0.7 Hemoglobin decreased 1 1.2 Platelets decreased 1 0.7 In Combination with Oxaliplatin-Containing Regimens The safety of capecitabine tablets for the perioperative treatment of adults with Stage III colon cancer as a component of a combination chemotherapy regimen was derived from published literature [see Clinical Studies (14.1)]. The safety of capecitabine tablets for the adjuvant treatment of patients with Stage III colon cancer as a component of a combination chemotherapy regimen was similar to those in patients treated with capecitabine tablets as a single agent, with the exception of an increased incidence of neurosensory toxicity. Perioperative Treatment of Rectal Cancer The safety of capecitabine tablets for the perioperative treatment of adults with locally advanced rectal cancer as a component of chemoradiotherapy was derived from published literature [see Clinical Studies (14.1)] . The safety of capecitabine tablets for the perioperative treatment of adults with locally advanced rectal cancer as a component of chemoradiotherapy was similar to those in patients treated with capecitabine tablets as a single agent, with the exception of an increased incidence of diarrhea. Metastatic Colorectal Cancer Single Agent The safety of capecitabine tablets as a single agent was evaluated in a pooled metastatic colorectal cancer population (Study SO14695 and Study SO14796) [see Clinical Studies (14.1)] . Patients received capecitabine tablets 1,250 mg/m 2 orally twice a day for the first 14 days of a 21-day cycle (N=596) or leucovorin 20 mg/m 2 intravenously followed by fluorouracil 425 mg/m 2 as an intravenous bolus on days 1 to 5 of each 28-day cycle (N=593). Among the patients who received capecitabine tablets, the median duration of treatment was 4.6 months. Deaths due to all causes occurred in 8% of patients who received capecitabine tablets on study or within 28 days of receiving study drug. Permanent discontinuation due to an adverse reaction or intercurrent illness occurred in 13% of patients who received capecitabine tablets. Most common adverse reactions (>30%) were anemia, diarrhea, palmar-plantar erythrodysesthesia syndrome, hyperbilirubinemia, nausea, fatigue, and abdominal pain. Table 4 shows the adverse reactions occurring in this pooled colorectal cancer population. Table 4 Adverse Reactions ( > 10%) in Patients Who Received Capecitabine Tablets in Pooled Metastatic Colorectal Cancer Population (Study SO14695 and Study SO14796) Adverse Reaction Capecitabine Tablets (N=596) Fluorouracil + Leucovorin (N=593) All Grades (%) Grade 3 (%) Grade 4 (%) All Grades (%) Grade 3 (%) Grade 4 (%) Blood and Lymphatic System Anemia 80 2 <1 79 1 <1 Neutropenia 13 1 2 46 8 13 Gastrointestinal Diarrhea 55 13 2 61 10 2 Nausea 43 4 – 51 3 <1 Abdominal pain 35 9 <1 31 5 – Vomiting 27 4 <1 30 4 <1 Stomatitis 25 2 <1 62 14 1 Constipation 14 1 <1 17 1 – Gastrointestinal motility disorder 10 <1 – 7 <1 – Oral discomfort 10 – – 10 – – Skin and Subcutaneous Tissue Palmar-plantar erythrodysesthesia syndrome 54 17 NA 6 1 NA Dermatitis 27 1 – 26 1 – Hepatobiliary Hyperbilirubinemia 48 18 5 17 3 3 General Fatigue * 42 4 – 46 4 – Pyrexia 18 1 – 21 2 – Edema 15 1 – 9 1 – Pain 12 1 – 10 1 – Metabolism and Nutrition Decreased appetite 26 3 <1 31 2 <1 Respiratory Thoracic and Mediastinal Dyspnea 14 1 – 10 <1 1 Eye Eye irritation 13 – – 10 <1 – Nervous System Peripheral sensory neuropathy 10 – – 4 – – Headache 10 1 – 7 – – Musculoskeletal Back pain 10 2 – 9 <1 – – Not observed * Includes weakness NA = Not Applicable Clinically relevant adverse reactions in <10% of patients are presented below: Eye: abnormal vision Gastrointestinal: upper gastrointestinal tract inflammatory disorders, gastrointestinal hemorrhage, ileus General: chest pain Infections: viral Metabolism and Nutrition: dehydration Musculoskeletal: arthralgia Nervous System: dizziness (excluding vertigo), insomnia, taste disturbance Psychiatric: mood alteration, depression Respiratory, Thoracic, and Mediastinal: cough, pharyngeal disorder Skin and Subcutaneous Tissue: skin discoloration, alopecia Vascular: venous thrombosis In Combination with Oxaliplatin The safety of capecitabine tablets for the treatment of patients with unresectable or metastatic colorectal cancer as a component of a combination chemotherapy regimen was derived from published literature [see Clinical Studies (14.1)]. The safety of capecitabine tablets for the treatment of patients with unresectable or metastatic colorectal cancer as a component of a combination chemotherapy regimen was similar to those in patients treated with capecitabine tablets as a single agent, with the exception of an increased incidence of peripheral neuropathy. Metastatic Breast Cancer In Combination with Docetaxel The safety of capecitabine tablets in combination with docetaxel was evaluated in patients with metastatic breast cancer in Study SO14999 [see Clinical Studies (14.2)]. Patients received capecitabine tablets 1,250 mg/m 2 orally twice daily for the first 14 days of a 21-day cycle with docetaxel 75 mg/m 2 as 1- hour intravenous infusion on day 1 of each 21-day cycle for at least 6 weeks or docetaxel 100 mg/m 2 as a 1-hour intravenous infusion on day 1 of each 21-day cycle for at least 6 weeks. Among patients who received capecitabine tablets, the mean duration of treatment was 4.2 months. Permanent discontinuation due to an adverse reaction occurred in 26% of patients who received capecitabine tablets. Dosage interruptions due to an adverse reaction occurred in 79% of patients who received capecitabine tablets and dosage reductions due to an adverse reaction occurred in 65%. Most common adverse reactions (>30%) were diarrhea, stomatitis, palmar-plantar erythrodysesthesia syndrome, nausea, alopecia, vomiting, edema, and abdominal pain. Table 5 summarizes the adverse reactions in Study SO14999. Table 5 Adverse Reactions (≥10%) in Patients Who Received Capecitabine Tablets with Docetaxel for Metastatic Breast Cancer in Study SO14999 Adverse Reaction Capecitabine Tablets with Docetaxel (N=251) Docetaxel (N=255) All Grades (%) Grade 3 (%) Grade 4 (%) All Grades (%) Grade 3 (%) Grade 4 (%) Gastrointestinal Diarrhea 67 14 <1 48 5 <1 Stomatitis 67 17 <1 43 5 – Nausea 45 7 – 36 2 – Vomiting 35 4 1 24 2 – Abdominal pain 30 3 <1 24 2 – Constipation 20 2 – 18 – – Dyspepsia 14 – – 8 1 – Skin and Subcutaneous Tissue Palmar-plantar erythrodysesthesia syndrome 63 24 NA 8 1 NA Alopecia 41 6 – 42 7 – Nail disorder 14 2 – 15 – – Cardiac Edema 33 <2 – 34 <3 1 General Pyrexia 28 2 – 34 2 – Asthenia 26 4 <1 25 6 – Fatigue 22 4 – 27 6 – Weakness 16 2 – 11 2 – Pain in Limb 13 <1 – 13 2 – Blood and Lymphatic System Neutropenic fever 16 3 13 21 5 16 Nervous System Taste disturbance 16 <1 – 14 <1 – Headache 15 3 – 15 2 – Paresthesia 12 <1 – 16 1 – Dizziness 12 – – 8 <1 – Musculoskeletal and Connective Tissue Arthralgia 15 2 – 24 3 – Myalgia 15 2 – 25 2 – Back Pain 12 <1 – 11 3 – Respiratory, Thoracic and Mediastinal Dyspnea 14 2 <1 16 2 – Cough 13 1 – 22 <1 – Sore Throat 12 2 – 11 <1 – Metabolism and Nutrition Anorexia 13 <1 – 11 <1 – Appetite decreased 10 – – 5 – – Dehydration 10 2 – 7 <1 <1 Eye Lacrimation increased 12 – – 7 <1 – – Not observed NA = Not Applicable Clinically relevant adverse reactions in <10% of patients are presented below: Blood and Lymphatic System : agranulocytosis, prothrombin decreased Cardiac : supraventricular tachycardia Eye : conjunctivitis, eye irritation Gastrointestinal : ileus, necrotizing enterocolitis, esophageal ulcer, hemorrhagic diarrhea, dry mouth General : chest pain (non-cardiac), lethargy, pain, influenza-like illness Hepatobiliary : jaundice, abnormal liver function tests, hepatic failure, hepatic coma, hepatotoxicity Immune System : hypersensitivity Infection : hypoesthesia, neutropenic sepsis, sepsis, bronchopneumonia, oral candidiasis, urinary tract infection Metabolism and Nutrition : weight decreased Musculoskeletal and Connective Tissue: bone pain Nervous System : insomnia, peripheral neuropathy, ataxia, syncope, taste loss, polyneuropathy, migraine Psychiatric : depression Renal and Urinary : renal failure Respiratory, Thoracic and Mediastinal : upper respiratory tract infection, pleural effusion, epistaxis, rhinorrhea Skin and Subcutaneous Tissue : pruritis, rash erythematous, dermatitis, nail discoloration, onycholysis Vascular : lymphedema, hypotension, venous phlebitis and thrombophlebitis, postural hypotension, flushing Table 6 summarizes the laboratory abnormalities in this trial. Table 6 Laboratory Abnormalities (≥20%) in Patients Who Received Capecitabine Tablets with Docetaxel for Metastatic Breast Cancer in Study SO14999 Laboratory Abnormality Capecitabine Tablets with Docetaxel (N=251) Docetaxel (N=255) All Grades (%) Grade 3 (%) Grade 4 (%) All Grades (%) Grade 3 (%) Grade 4 (%) Hematologic Lymphocytopenia 99 48 41 98 44 40 Leukopenia 91 37 24 88 42 33 Neutropenia 86 20 49 87 10 66 Anemia 80 7 3 83 5 <1 Thrombocytopenia 41 2 1 23 1 2 Hepatobiliary Hyperbilirubinemia 20 7 2 6 2 2 Single Agent The safety of capecitabine tablets as a single agent was evaluated in patients with metastatic breast cancer in Study SO14697 [see Clinical Studies (14.2)] . Patients received capecitabine tablets 1,250 mg/m 2 orally twice daily for the first 14 days of a 21-day cycle. The mean duration of treatment was 3.7 months. Permanent discontinuation due to an adverse reaction or intercurrent illness occurred in 8% of patients. Most common adverse reactions (>30%) were lymphopenia, anemia, diarrhea, hand-and-foot syndrome, nausea, fatigue, vomiting, and dermatitis. Table 7 summarizes the adverse reactions in Study SO14697. Table 7 Adverse Reactions (>10%) in Patients Who Received Capecitabine Tablets for Metastatic Breast Cancer in Study SO14697 Adverse Reaction Capecitabine Tablets (n=162) All Grades (%) Grade 3 (%) Grade 4 (%) Blood and Lymphatic System Lymphopenia 94 44 15 Anemia 72 3 1 Neutropenia 26 2 2 Thrombocytopenia 24 3 1 Gastrointestinal Diarrhea 57 12 3 Nausea 53 4 – Vomiting 37 4 – Stomatitis 24 7 – Abdominal pain 20 4 – Constipation 15 1 – Skin and Subcutaneous Tissue Hand-and-foot syndrome 57 11 NA Dermatitis 37 1 – General Fatigue 41 8 – Pyrexia 12 1 – Metabolism and Nutrition Anorexia 23 3 – Hepatobiliary Hyperbilirubinemia 22 9 2 Nervous System Paresthesia 21 1 – Eye Eye irritation 15 – – – = Not observed NA = Not Applicable Pooled Safety Population Clinically relevant adverse reactions in <10% of patients who received capecitabine tablets as a single agent are presented below. Blood & Lymphatic System: leukopenia, coagulation disorder, bone marrow depression, pancytopenia Cardiac: tachycardia, bradycardia, atrial fibrillation, myocarditis, edema Ear: vertigo Eye: conjunctivitis Gastrointestinal: abdominal distension, dysphagia, proctalgia, gastric ulcer, ileus, gastroenteritis, dyspepsia General: chest pain, influenza-like illness, hot flushes, pain, thirst, fibrosis, hemorrhage, edema, pain in limb Hepatobiliary: hepatic fibrosis, hepatitis, cholestatic hepatitis, abnormal liver function tests Immune System: drug hypersensitivity Infections: bronchitis, pneumonia, keratoconjunctivitis, sepsis, fungal infections Metabolism and Nutrition: cachexia, hypertriglyceridemia, hypokalemia, hypomagnesemia, dehydration Musculoskeletal and Connective Tissue: myalgia, arthritis, muscle weakness Nervous System: insomnia, ataxia, tremor, dysphasia, encephalopathy, dysarthria, impaired balance, headache, dizziness Psychiatric: depression, confusion Renal and Urinary: renal impairment Respiratory, Mediastinal and Thoracic: cough, epistaxis, respiratory distress, dyspnea Skin and Subcutaneous Tissue: nail disorder, sweating increased, photosensitivity reaction, skin ulceration, pruritus, radiation recall syndrome Vascular: hypotension, hypertension, lymphedema, pulmonary embolism Unresectable or Metastatic Gastric, Esophageal, or Gastroesophageal Junction Cancer The safety of capecitabine tablets for the treatment of adults with unresectable or metastatic gastric, esophageal, or gastroesophageal junction cancer as a component of a combination chemotherapy regimen was derived from published literature [see Clinical Studies (14.3)]. The safety of capecitabine tablets for the treatment of adults with unresectable or metastatic gastric, esophageal, or gastroesophageal junction cancer as a component of a combination chemotherapy regimen was consistent with the known safety profile of capecitabine tablets. The safety of capecitabine tablets for the treatment of patients with HER2-overexpressing metastatic gastric or gastroesophageal junction adenocarcinoma who have not received prior treatment for metastatic disease as a component of a combination regimen was derived from the published literature [see Clinical Studies (14.3)]. The safety of capecitabine tablets for the treatment of patients with HER2-overexpressing metastatic gastric or gastroesophageal junction adenocarcinoma was consistent with the known safety profile of capecitabine tablets. Pancreatic Cancer The safety of capecitabine tablets for the adjuvant treatment of adults with pancreatic adenocarcinoma as a component of a combination chemotherapy regimen was derived from the published literature [see Clinical Studies (14.4)]. The safety of capecitabine tablets for the adjuvant treatment of adults with pancreatic adenocarcinoma as a component of a combination chemotherapy regimen was consistent with the known safety profile of capecitabine tablets.

6.2 Postmarketing Experience The following adverse reactions have been identified during post-approval use of capecitabine tablets. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Eye: lacrimal duct stenosis, corneal disorders including keratitis Hepatobiliary: hepatic failure Immune System Disorders: angioedema Nervous System : toxic leukoencephalopathy Renal & Urinary: acute renal failure secondary to dehydration including fatal outcome Skin & Subcutaneous Tissue: cutaneous lupus erythematosus, severe skin reactions such as Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis (TEN), persistent or severe PPES can eventually lead to loss of fingerprints

Overdosage

Administer uridine triacetate within 96 hours for management of capecitabine tablets overdose. Although no clinical experience using dialysis as a treatment for capecitabine tablets overdose has been reported, dialysis may be of benefit in reducing circulating concentrations of 5’-DFUR, a low– molecular-weight metabolite of the parent compound.

Use in specific populations

Lactation : Advise not to breastfeed. ( 8.2 ) Hepatic Impairment : Monitor patients with hepatic impairment more frequently for adverse reactions. ( 8.7 )

8.1 Pregnancy Risk Summary Based on findings in animal reproduction studies and its mechanism of action [see Clinical Pharmacology (12.1)] , capecitabine tablets can cause fetal harm when administered to a pregnant woman. Available human data with capecitabine tablets use in pregnant women is not sufficient to inform the drug-associated risk. In animal reproduction studies, administration of capecitabine to pregnant animals during the period of organogenesis caused embryolethality and teratogenicity in mice and embryolethality in monkeys at 0.2 and 0.6 times the exposure (AUC) in patients receiving the recommended dose of 1,250 mg/m 2 twice daily, respectively (see Data) . Advise pregnant women of the potential risk to a fetus. The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Data Animal Data Oral administration of capecitabine to pregnant mice during the period of organogenesis at a dose of 198 mg/kg/day caused malformations and embryo lethality. In separate pharmacokinetic studies, this dose in mice produced 5’-DFUR AUC values that were approximately 0.2 times the AUC values in patients administered the recommended daily dose. Malformations in mice included cleft palate, anophthalmia, microphthalmia, oligodactyly, polydactyly, syndactyly, kinky tail and dilation of cerebral ventricles. Oral administration of capecitabine to pregnant monkeys during the period of organogenesis at a dose of 90 mg/kg/day, caused fetal lethality. This dose produced 5’-DFUR AUC values that were approximately 0.6 times the AUC values in patients administered the recommended daily dose.

8.2 Lactation Risk Summary There is no information regarding the presence of capecitabine or its metabolites in human milk, or on its effects on milk production or the breastfed child. Capecitabine metabolites were present in the milk of lactating mice (see Data) . Because of the potential for serious adverse reactions in a breastfed child, advise women not to breastfeed during treatment with capecitabine tablets and for 1 week after the last dose. Data Lactating mice given a single oral dose of capecitabine excreted significant amounts of capecitabine metabolites into the milk.

8.3 Females and Males of Reproductive Potential Capecitabine tablets can cause fetal harm when administered to a pregnant woman [see Use in Specific Populations (8.1)] . Pregnancy Testing Verify pregnancy status in females of reproductive potential prior to initiating capecitabine tablets. Contraception Females Advise females of reproductive potential to use effective contraception during treatment with capecitabine tablets and for 6 months after the last dose. Males Based on genotoxicity findings, advise males with female partners of reproductive potential to use effective contraception during treatment with capecitabine tablets and for 3 months after the last dose [see Nonclinical Toxicology (13.1)]. Infertility Based on animal studies, capecitabine tablets may impair fertility in females and males of reproductive potential [see Nonclinical Toxicology (13.1)] .

8.4 Pediatric Use The safety and effectiveness of capecitabine tablets in pediatric patients have not been established. Safety and effectiveness were assessed, but not established in two single arm studies in 56 pediatric patients aged 3 months to <17 years with newly diagnosed gliomas. In both trials, pediatric patients received an investigational pediatric formulation of capecitabine concomitantly with and following completion of radiation therapy (total dose of 5,580 cGy in 180 cGy fractions). The relative bioavailability of the investigational formulation to capecitabine tablets was similar. The adverse reaction profile was consistent with that of adults, with the exception of laboratory abnormalities which occurred more commonly in pediatric patients. The most frequently reported laboratory abnormalities (per-patient incidence ≥ 40%) were increased ALT (75%), lymphocytopenia (73%), hypokalemia (68%), thrombocytopenia (57%), hypoalbuminemia (55%), neutropenia (50%), low hematocrit (50%), hypocalcemia (48%), hypophosphatemia (45%) and hyponatremia (45%).

8.5 Geriatric Use Of 7,938 patients with colorectal cancer who were treated with capecitabine tablets, 33% were older than 65 years. Of the 4,536 patients with metastatic breast cancer who were treated with capecitabine tablets, 18% were older than 65 years. Of 1,951 patients with gastric, esophageal, or gastrointestinal junction cancer who were treated with capecitabine tablets, 26% were older than 65 years. Of 364 patients with pancreatic cancer who received adjuvant treatment with capecitabine tablets, 47% were 65 years or older. No overall differences in efficacy were observed comparing older versus younger patients with colorectal cancer, gastric, esophageal or gastrointestinal junction cancer, or pancreatic cancer using the approved recommended dosages and treatment regimens. Older patients experience increased gastrointestinal toxicity due to capecitabine tablets compared to younger patients. Deaths from severe enterocolitis, diarrhea, and dehydration have been reported in elderly patients receiving weekly leucovorin and fluorouracil [see Drug Interactions (7.1)].

8.6 Renal Impairment The exposure of capecitabine and its inactive metabolites (5-DFUR and FBAL) increases in patients with CLcr <50 mL/min as determined by Cockcroft-Gault [see Clinical Pharmacology (12.3)] . Reduce the dosage for patients with CLcr of 30 to 50 mL/min [see Dosage and Administration (2.6)] . There is limited experience with capecitabine tablets in patients with CLcr <30 mL/min, and a dosage has not been established in those patients. If no treatment alternative exists, capecitabine tablets could be administered to such patients on an individual basis applying a reduced starting dose, close monitoring of a patient's clinical and biochemical data and dose modifications guided by observed adverse reactions.

8.7 Hepatic Impairment The exposure of capecitabine increases in patients with mild to moderate hepatic impairment. The effect of severe hepatic impairment on the safety and pharmacokinetics of capecitabine tablets are unknown [see Clinical Pharmacology (12.3)]. Monitor patients with hepatic impairment more frequently for adverse reactions.

Pregnancy

Risk Summary Based on findings in animal reproduction studies and its mechanism of action [see Clinical Pharmacology (12.1)] , capecitabine tablets can cause fetal harm when administered to a pregnant woman. Available human data with capecitabine tablets use in pregnant women is not sufficient to inform the drug-associated risk. In animal reproduction studies, administration of capecitabine to pregnant animals during the period of organogenesis caused embryolethality and teratogenicity in mice and embryolethality in monkeys at 0.2 and 0.6 times the exposure (AUC) in patients receiving the recommended dose of 1,250 mg/m 2 twice daily, respectively (see Data) . Advise pregnant women of the potential risk to a fetus. The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Data Animal Data Oral administration of capecitabine to pregnant mice during the period of organogenesis at a dose of 198 mg/kg/day caused malformations and embryo lethality. In separate pharmacokinetic studies, this dose in mice produced 5’-DFUR AUC values that were approximately 0.2 times the AUC values in patients administered the recommended daily dose. Malformations in mice included cleft palate, anophthalmia, microphthalmia, oligodactyly, polydactyly, syndactyly, kinky tail and dilation of cerebral ventricles. Oral administration of capecitabine to pregnant monkeys during the period of organogenesis at a dose of 90 mg/kg/day, caused fetal lethality. This dose produced 5’-DFUR AUC values that were approximately 0.6 times the AUC values in patients administered the recommended daily dose.

Nursing mothers

8.3 Females and Males of Reproductive Potential Capecitabine tablets can cause fetal harm when administered to a pregnant woman [see Use in Specific Populations (8.1)] . Pregnancy Testing Verify pregnancy status in females of reproductive potential prior to initiating capecitabine tablets. Contraception Females Advise females of reproductive potential to use effective contraception during treatment with capecitabine tablets and for 6 months after the last dose. Males Based on genotoxicity findings, advise males with female partners of reproductive potential to use effective contraception during treatment with capecitabine tablets and for 3 months after the last dose [see Nonclinical Toxicology (13.1)]. Infertility Based on animal studies, capecitabine tablets may impair fertility in females and males of reproductive potential [see Nonclinical Toxicology (13.1)] .

Pediatric use

The safety and effectiveness of capecitabine tablets in pediatric patients have not been established. Safety and effectiveness were assessed, but not established in two single arm studies in 56 pediatric patients aged 3 months to <17 years with newly diagnosed gliomas. In both trials, pediatric patients received an investigational pediatric formulation of capecitabine concomitantly with and following completion of radiation therapy (total dose of 5,580 cGy in 180 cGy fractions). The relative bioavailability of the investigational formulation to capecitabine tablets was similar. The adverse reaction profile was consistent with that of adults, with the exception of laboratory abnormalities which occurred more commonly in pediatric patients. The most frequently reported laboratory abnormalities (per-patient incidence ≥ 40%) were increased ALT (75%), lymphocytopenia (73%), hypokalemia (68%), thrombocytopenia (57%), hypoalbuminemia (55%), neutropenia (50%), low hematocrit (50%), hypocalcemia (48%), hypophosphatemia (45%) and hyponatremia (45%).

Geriatric use

Of 7,938 patients with colorectal cancer who were treated with capecitabine tablets, 33% were older than 65 years. Of the 4,536 patients with metastatic breast cancer who were treated with capecitabine tablets, 18% were older than 65 years. Of 1,951 patients with gastric, esophageal, or gastrointestinal junction cancer who were treated with capecitabine tablets, 26% were older than 65 years. Of 364 patients with pancreatic cancer who received adjuvant treatment with capecitabine tablets, 47% were 65 years or older. No overall differences in efficacy were observed comparing older versus younger patients with colorectal cancer, gastric, esophageal or gastrointestinal junction cancer, or pancreatic cancer using the approved recommended dosages and treatment regimens. Older patients experience increased gastrointestinal toxicity due to capecitabine tablets compared to younger patients. Deaths from severe enterocolitis, diarrhea, and dehydration have been reported in elderly patients receiving weekly leucovorin and fluorouracil [see Drug Interactions (7.1)].

Description

Capecitabine, USP is a nucleoside metabolic inhibitor. The chemical name is 5'-deoxy-5-fluoro-N-[(pentyloxy) carbonyl]-cytidine and has a molecular formula of C 15 H 22 FN 3 O 6 and a molecular weight of 359.35. Capecitabine has the following structural formula: Capecitabine, USP is a white to off-white crystalline powder with an aqueous solubility of 26 mg/mL at 20°C. Capecitabine tablets, USP are supplied as oval shaped film-coated tablets for oral use. Each light peach colored tablet contains 150 mg capecitabine, USP and each light peach colored tablet contains 500 mg capecitabine, USP. The inactive ingredients in capecitabine tablets include: anhydrous lactose, croscarmellose sodium, hypromellose, magnesium stearate, microcrystalline cellulose, and purified water. The light peach film coating contains hydroxypropyl methylcellulose, talc, titanium dioxide, iron oxide yellow and iron oxide red. capecitabine-str

Clinical pharmacology

12.1 Mechanism of Action Capecitabine is metabolized to fluorouracil in vivo. Both normal and tumor cells metabolize fluorouracil to 5-fluoro-2’-deoxyuridine monophosphate (FdUMP) and 5-fluorouridine triphosphate (FUTP). These metabolites cause cell injury by two different mechanisms. First, FdUMP and the folate cofactor, N 5-10 -methylenetetrahydrofolate, bind to thymidylate synthase (TS) to form a covalently bound ternary complex. This binding inhibits the formation of thymidylate from 2’-deoxyuridylate. Thymidylate is the necessary precursor of thymidine triphosphate, which is essential for the synthesis of DNA, so that a deficiency of this compound can inhibit cell division. Second, nuclear transcriptional enzymes can mistakenly incorporate FUTP in place of uridine triphosphate (UTP) during the synthesis of RNA. This metabolic error can interfere with RNA processing and protein synthesis.

12.2 Pharmacodynamics Population-based exposure-effect analyses demonstrated a positive association between AUC of fluorouracil and grade 3 to 4 hyperbilirubinemia.

12.3 Pharmacokinetics The AUC of capecitabine and its metabolite 5’-DFCR increases proportionally over a dosage range of 500 mg/m 2 /day to 3,500 mg/m 2 /day (0.2 to 1.4 times the approved recommended dosage). The AUC of capecitabine’s metabolites 5’-DFUR and fluorouracil increased greater than proportional to the dose. The interpatient variability in the C max and AUC of fluorouracil was greater than 85%. Absorption Following oral administration of capecitabine tablets 1,255 mg/m 2 orally twice daily (the recommended dosage when used as single agent), the median T max of capecitabine and its metabolite fluorouracil was approximately 1.5 hours and 2 hours, respectively. Effect of Food Following administration of a meal (breakfast medium-rich in fat and carbohydrates), the mean C max and AUC 0-INF of capecitabine was decreased by 60% and 34%, respectively. The mean C max and AUC 0-INF of fluorouracil were also decreased by 37 % and 12%, respectively. The T max of both capecitabine and fluorouracil was delayed by 1.5 hours. Distribution Plasma protein binding of capecitabine and its metabolites is less than 60% and is not concentration-dependent. Capecitabine was primarily bound to human albumin (approximately 35%). Following oral administration of capecitabine tablets 7 days before surgery in patients with colorectal cancer, the median ratio of concentration for the active metabolite fluorouracil in colorectal tumors to adjacent tissues was 2.9 (range: 0.9 to 8.0). Elimination The elimination half-lives of capecitabine and fluorouracil were approximately 0.75 hour. Metabolism Capecitabine undergoes metabolism by carboxylesterase and is hydrolyzed to 5’-DFCR. 5’- DFCR is subsequently converted to 5’-DFUR by cytidine deaminase. 5’-DFUR is then hydrolized by thymidine phosphorylase (dThdPase) enzymes to the active metabolite fluorouracil. Fluorouracil is subsequently metabolized by dihydropyrimidine dehydrogenase to 5-fluoro-5, 6- dihydro-fluorouracil (FUH 2 ). The pyrimidine ring of FUH 2 is cleaved by dihydropyrimidinase to yield 5-fluoro-ureido-propionic acid (FUPA). Finally, FUPA is cleaved by β-ureido-propionase to α-fluoro-β-alanine (FBAL). Excretion Following administration of radiolabeled capecitabine, 96% of the administered capecitabine dose was recovered in urine (3% unchanged and 57% as metabolite FBAL) and 2.6% in feces. Specific Populations Following therapeutic doses of capecitabine tablets, no clinically meaningful difference in the pharmacokinetics of 5’-DFUR, fluorouracil or FBAL were observed based on sex (202 females and 303 males) and race (455 White, 22 Black, and 28 Other). No clinically meaningful difference on the pharmacokinetics of 5’-DFUR and fluorouracil were observed based on age (range: 27 to 86 years); however, the AUC of FBAL increased by 15% following a 20% increase in age. Racial or Ethnic Groups Following administration of capecitabine tablets 825 mg/m 2 orally twice daily for 14 days (0.66 times the recommended dosage), the C max and AUC of capecitabine decreased by 36% and 24%, respectively in Japanese patients (n=18) compared to White patients (n=22). The C max and AUC of FBAL decreased by approximately 25% and 34%, respectively in Japanese patients compared to White patients; however, the clinical significance of these differences is unknown. No clinically significant differences in the pharmacokinetics of 5’-DFCR, 5’-DFUR or fluorouracil were observed. Patients with Renal Impairment Table 8 Effect of Renal Impairment on the Pharmacokinetics of Capecitabine, 5’-DFUR, and FBAL Renal Impairment a Changes in AUC b Capecitabine 5’-DFUR c FBAL c 5-FU CLcr 30 to 50 mL/min Increased by 25% Increased by 42% Increased by 85% No relevant change CLcr <30 mL/min Increased by 25% Increased by 71% Increased by 258% Increased by 24% a Compared to patients with CLcr >80 mL/min b Following administration of capecitabine tablets 1,250 mg/m 2 orally twice daily; day 1 observations c Capecitabine metabolite CLcr= Creatine Clearance, AUC= Area under the plasma concentration-time curve Patients with Hepatic Impairment AUC 0-INF and C max of capecitabine’s active principle, fluorouracil, were not affected in patients with mild or moderate hepatic impairment compared to patients with normal hepatic function. The AUC 0-INF and C max of capecitabine increased by 60%. The effect of severe hepatic impairment on the pharmacokinetics of capecitabine and its metabolites are unknown. Drug Interaction Studies Clinical Studies Effect of Capecitabine on Warfarin: In four patients with cancer, chronic administration of capecitabine tablets 1,250 mg/m 2 twice daily with a single dose of warfarin 20 mg increased the mean AUC of S-warfarin by 57% and decreased its clearance by 37%. Baseline corrected AUC of INR in these 4 patients increased by 2.8-fold, and the maximum observed mean INR value was increased by 91%. Effect of Capecitabine on Celecoxib: Concomitant administration of multiple doses of capecitabine (capecitabine tablets 1,000 mg/m 2 twice daily for 14 days) increased celecoxib (sensitive CYP2C9 substrate) AUC by 28%, C max by 24% and C trough by 30%. Effect of Antacids on Capecitabine: When an aluminum hydroxide- and magnesium hydroxide- containing antacid was administered immediately after a capecitabine tablets dose of 1,250 mg/m 2 in patients with cancer, AUC and C max increased by 16% and 35%, respectively, for capecitabine and by 18% and 22%, respectively, for 5’-DFCR. No effect was observed on the other three major metabolites (5’-DFUR, fluorouracil, FBAL) of capecitabine tablets. Effect of Allopurinol on Capecitabine: Concomitant use with allopurinol may decrease conversion of capecitabine to the active metabolites, FdUMP and FUTP. Effect of Capecitabine on Docetaxel and Effect of Docetaxel on Capecitabine: Capecitabine tablets had no effect on the pharmacokinetics of docetaxel (C max and AUC) and docetaxel has no effect on the pharmacokinetics of capecitabine and the fluorouracil precursor 5’-DFUR. In Vitro Studies Cytochrome P450 (CYP) Enzymes : Capecitabine and its metabolites (5’-DFUR, 5’-DFCR, fluorouracil, and FBAL) did not inhibit CYP1A2, CYP2A6, CYP3A4, CYP2C19, CYP2D6, or CYP2E1 in vitro.

12.5 Pharmacogenomics The DPYD gene encodes the enzyme DPD, which is responsible for the catabolism of >80% of fluorouracil. Approximately 3 to 5% of White populations have partial DPD deficiency and 0.2% of White populations have complete DPD deficiency, which may be due to certain genetic no function or decreased function variants in DPYD resulting in partial to complete or near complete absence of enzyme activity. DPD deficiency is estimated to be more prevalent in Black or African American populations compared to White populations. Insufficient information is available to estimate the prevalence of DPD deficiency in other populations. Patients who are homozygous or compound heterozygous for no function DPYD variants (i.e., carry two DPYD variants that results in no DPD enzyme activity) or are compound heterozygous for a no function DPYD variant plus a decreased function DPYD variant have complete DPD deficiency and are at increased risk for acute early-onset of toxicity and serious life-threatening, or fatal adverse reactions with capecitabine tablets. Partial DPD deficiency can result from the presence of either two decreased function DPYD variants or one normal function plus either a decreased function or a no function DPYD variant. Patients with partial DPD deficiency may also be at an increased risk for toxicity from capecitabine tablets. Several DPYD variants observed with variable frequency across populations have been associated with reduced or no DPD activity, especially when present as homozygous or compound heterozygous variants. These include c.1905+1G>A ( DPYD *2A), c.1679T>G ( DPYD *13), c.2846A>T, c.1129-5923C>G (Haplotype B3), and c557A>G. DPYD *2A and DPYD *13 are no function variants, and c.2846A>T, c.1129-5923C>G, and c557A>G are decreased function variants. This is not a complete listing of all DPYD variants that may result in DPD deficiency [see Warnings and Precautions (5.1)].

Mechanism of action

Capecitabine is metabolized to fluorouracil in vivo. Both normal and tumor cells metabolize fluorouracil to 5-fluoro-2’-deoxyuridine monophosphate (FdUMP) and 5-fluorouridine triphosphate (FUTP). These metabolites cause cell injury by two different mechanisms. First, FdUMP and the folate cofactor, N 5-10 -methylenetetrahydrofolate, bind to thymidylate synthase (TS) to form a covalently bound ternary complex. This binding inhibits the formation of thymidylate from 2’-deoxyuridylate. Thymidylate is the necessary precursor of thymidine triphosphate, which is essential for the synthesis of DNA, so that a deficiency of this compound can inhibit cell division. Second, nuclear transcriptional enzymes can mistakenly incorporate FUTP in place of uridine triphosphate (UTP) during the synthesis of RNA. This metabolic error can interfere with RNA processing and protein synthesis.

Pharmacodynamics

Population-based exposure-effect analyses demonstrated a positive association between AUC of fluorouracil and grade 3 to 4 hyperbilirubinemia.

Pharmacokinetics

The AUC of capecitabine and its metabolite 5’-DFCR increases proportionally over a dosage range of 500 mg/m 2 /day to 3,500 mg/m 2 /day (0.2 to 1.4 times the approved recommended dosage). The AUC of capecitabine’s metabolites 5’-DFUR and fluorouracil increased greater than proportional to the dose. The interpatient variability in the C max and AUC of fluorouracil was greater than 85%. Absorption Following oral administration of capecitabine tablets 1,255 mg/m 2 orally twice daily (the recommended dosage when used as single agent), the median T max of capecitabine and its metabolite fluorouracil was approximately 1.5 hours and 2 hours, respectively. Effect of Food Following administration of a meal (breakfast medium-rich in fat and carbohydrates), the mean C max and AUC 0-INF of capecitabine was decreased by 60% and 34%, respectively. The mean C max and AUC 0-INF of fluorouracil were also decreased by 37 % and 12%, respectively. The T max of both capecitabine and fluorouracil was delayed by 1.5 hours. Distribution Plasma protein binding of capecitabine and its metabolites is less than 60% and is not concentration-dependent. Capecitabine was primarily bound to human albumin (approximately 35%). Following oral administration of capecitabine tablets 7 days before surgery in patients with colorectal cancer, the median ratio of concentration for the active metabolite fluorouracil in colorectal tumors to adjacent tissues was 2.9 (range: 0.9 to 8.0). Elimination The elimination half-lives of capecitabine and fluorouracil were approximately 0.75 hour. Metabolism Capecitabine undergoes metabolism by carboxylesterase and is hydrolyzed to 5’-DFCR. 5’- DFCR is subsequently converted to 5’-DFUR by cytidine deaminase. 5’-DFUR is then hydrolized by thymidine phosphorylase (dThdPase) enzymes to the active metabolite fluorouracil. Fluorouracil is subsequently metabolized by dihydropyrimidine dehydrogenase to 5-fluoro-5, 6- dihydro-fluorouracil (FUH 2 ). The pyrimidine ring of FUH 2 is cleaved by dihydropyrimidinase to yield 5-fluoro-ureido-propionic acid (FUPA). Finally, FUPA is cleaved by β-ureido-propionase to α-fluoro-β-alanine (FBAL). Excretion Following administration of radiolabeled capecitabine, 96% of the administered capecitabine dose was recovered in urine (3% unchanged and 57% as metabolite FBAL) and 2.6% in feces. Specific Populations Following therapeutic doses of capecitabine tablets, no clinically meaningful difference in the pharmacokinetics of 5’-DFUR, fluorouracil or FBAL were observed based on sex (202 females and 303 males) and race (455 White, 22 Black, and 28 Other). No clinically meaningful difference on the pharmacokinetics of 5’-DFUR and fluorouracil were observed based on age (range: 27 to 86 years); however, the AUC of FBAL increased by 15% following a 20% increase in age. Racial or Ethnic Groups Following administration of capecitabine tablets 825 mg/m 2 orally twice daily for 14 days (0.66 times the recommended dosage), the C max and AUC of capecitabine decreased by 36% and 24%, respectively in Japanese patients (n=18) compared to White patients (n=22). The C max and AUC of FBAL decreased by approximately 25% and 34%, respectively in Japanese patients compared to White patients; however, the clinical significance of these differences is unknown. No clinically significant differences in the pharmacokinetics of 5’-DFCR, 5’-DFUR or fluorouracil were observed. Patients with Renal Impairment Table 8 Effect of Renal Impairment on the Pharmacokinetics of Capecitabine, 5’-DFUR, and FBAL Renal Impairment a Changes in AUC b Capecitabine 5’-DFUR c FBAL c 5-FU CLcr 30 to 50 mL/min Increased by 25% Increased by 42% Increased by 85% No relevant change CLcr <30 mL/min Increased by 25% Increased by 71% Increased by 258% Increased by 24% a Compared to patients with CLcr >80 mL/min b Following administration of capecitabine tablets 1,250 mg/m 2 orally twice daily; day 1 observations c Capecitabine metabolite CLcr= Creatine Clearance, AUC= Area under the plasma concentration-time curve Patients with Hepatic Impairment AUC 0-INF and C max of capecitabine’s active principle, fluorouracil, were not affected in patients with mild or moderate hepatic impairment compared to patients with normal hepatic function. The AUC 0-INF and C max of capecitabine increased by 60%. The effect of severe hepatic impairment on the pharmacokinetics of capecitabine and its metabolites are unknown. Drug Interaction Studies Clinical Studies Effect of Capecitabine on Warfarin: In four patients with cancer, chronic administration of capecitabine tablets 1,250 mg/m 2 twice daily with a single dose of warfarin 20 mg increased the mean AUC of S-warfarin by 57% and decreased its clearance by 37%. Baseline corrected AUC of INR in these 4 patients increased by 2.8-fold, and the maximum observed mean INR value was increased by 91%. Effect of Capecitabine on Celecoxib: Concomitant administration of multiple doses of capecitabine (capecitabine tablets 1,000 mg/m 2 twice daily for 14 days) increased celecoxib (sensitive CYP2C9 substrate) AUC by 28%, C max by 24% and C trough by 30%. Effect of Antacids on Capecitabine: When an aluminum hydroxide- and magnesium hydroxide- containing antacid was administered immediately after a capecitabine tablets dose of 1,250 mg/m 2 in patients with cancer, AUC and C max increased by 16% and 35%, respectively, for capecitabine and by 18% and 22%, respectively, for 5’-DFCR. No effect was observed on the other three major metabolites (5’-DFUR, fluorouracil, FBAL) of capecitabine tablets. Effect of Allopurinol on Capecitabine: Concomitant use with allopurinol may decrease conversion of capecitabine to the active metabolites, FdUMP and FUTP. Effect of Capecitabine on Docetaxel and Effect of Docetaxel on Capecitabine: Capecitabine tablets had no effect on the pharmacokinetics of docetaxel (C max and AUC) and docetaxel has no effect on the pharmacokinetics of capecitabine and the fluorouracil precursor 5’-DFUR. In Vitro Studies Cytochrome P450 (CYP) Enzymes : Capecitabine and its metabolites (5’-DFUR, 5’-DFCR, fluorouracil, and FBAL) did not inhibit CYP1A2, CYP2A6, CYP3A4, CYP2C19, CYP2D6, or CYP2E1 in vitro.

Carcinogenesis, mutagenesis, fertility

, Mutagenesis, Impairment of Fertility Adequate studies investigating the carcinogenic potential of capecitabine have not been conducted. Capecitabine was not mutagenic in vitro to bacteria (Ames test) or mammalian cells (Chinese hamster V79/HPRT gene mutation assay). Capecitabine was clastogenic in vitro to human peripheral blood lymphocytes but not clastogenic in vivo to mouse bone marrow (micronucleus test). Fluorouracil causes mutations in bacteria and yeast. Fluorouracil also causes chromosomal abnormalities in the mouse micronucleus test in vivo. In studies of fertility and general reproductive performance in female mice, oral capecitabine doses of 760 mg/kg/day (about 2,300 mg/m 2 /day) disturbed estrus and consequently caused a decrease in fertility. In mice that became pregnant, no fetuses survived this dose. The disturbance in estrus was reversible. In males, this dose caused degenerative changes in the testes, including decreases in the number of spermatocytes and spermatids. In separate pharmacokinetic studies, this dose in mice produced 5’-DFUR AUC values about 0.7 times the corresponding values in patients administered the recommended daily dose.

Information for patients

17 PATIENT COUNSELING INFORMATION Advise the patient to read the FDA-approved patient labeling (Patient Information). Serious Adverse Reactions or Death from Dihydropyrimidine Dehydrogenase (DPD) Deficiency Prior to initiating capecitabine tablets treatment, inform patients of the potential for serious or fatal adverse reactions due to DPD deficiency and testing for genetic variants of DPYD . Advise patients to immediately contact their healthcare provider if symptoms of severe mucositis, diarrhea, neutropenia, and neurotoxicity occur [see Warnings and Precautions (5.1) and Clinical Pharmacology (12.5)] . Increased Risk of Bleeding with Concomitant Use of Vitamin K Antagonists Advise patients on vitamin K antagonists, such as warfarin, that they are at an increased risk of severe bleeding while taking capecitabine tablets. Advise these patients that INR should be monitored more frequently, and dosage modifications of the vitamin K antagonist may be required, while taking and after discontinuation of capecitabine tablets. Advise these patients to immediately contact their healthcare provider if signs or symptoms of bleeding occur [see Warnings and Precautions (5.2)]. Cardiotoxicity Advise patients of the risk of cardiotoxicity and to immediately contact their healthcare provider for new onset of chest pain, shortness of breath, dizziness, or lightheadedness [see Warnings and Precautions (5.3)] . Diarrhea Inform patients experiencing grade 2 diarrhea (an increase of 4 to 6 stools/day or nocturnal stools) or greater or experiencing severe bloody diarrhea with severe abdominal pain and fever to stop taking capecitabine tablets. Advise patients on the use of antidiarrheal treatments (e.g., loperamide) to manage diarrhea [see Warnings and Precautions (5.4)] . Dehydration Instruct patients experiencing grade 2 or higher dehydration to stop taking capecitabine tablets immediately and to contact their healthcare provider. Advise patients to not restart capecitabine tablets until rehydrated and any precipitating causes have been corrected or controlled [see Warnings and Precautions (5.5)] . Renal Toxicity Instruct patients experiencing decreased urinary output or other signs and symptoms of renal toxicity to immediately contact their healthcare provider [see Warnings and Precautions (5.6)] . Serious Skin Toxicities Instruct patients skin rash, blistering, or peeling to immediately contact their healthcare provider [see Warnings and Precautions (5.7)] . Palmar-Plantar Erythrodysesthesia Syndrome Instruct patients experiencing grade 2 palmar-plantar erythrodysesthesia syndrome or greater to stop taking capecitabine tablets immediately and to contact their healthcare provider. Inform patients that initiation of symptomatic treatment is recommended and hand-and-foot syndrome can lead to loss of fingerprints which could impact personal identification [see Warnings and Precautions (5.8)] . Myelosuppression Inform patients who develop a fever of 100.5°F or greater or other evidence of potential infection to immediately contact their healthcare provider [see Warnings and Precautions (5.9)] . Hyperbilirubinemia Inform patients who develop jaundice or icterus to immediately contact their healthcare provider [see Warnings and Precautions (5.10)] . Embryo-Fetal Toxicity Advise pregnant women and females of reproductive potential of the potential risk to a fetus. Advise females of reproductive potential to inform their healthcare provider of a known or suspected pregnancy [see Warnings and Precautions (5.11), Use in Specific Populations (8.1)] . Advise females of reproductive potential to use effective contraception during treatment with capecitabine tablets and for 6 months after the last dose [see Use in Specific Populations (8.3)] . Advise males with female partners of reproductive potential to use effective contraception during treatment with capecitabine tablets and for 3 months after the last dose [see Use in Specific Populations (8.3)] . Lactation Advise females not to breastfeed during treatment with capecitabine tablets and for 1 week after the last dose [see Use in Specific Populations (8.2)] . Infertility Advise males and females of reproductive potential that capecitabine tablets may impair fertility [see Use in Specific Populations (8.3)] . Hypersensitivity and Angioedema Advise patients that capecitabine tablets may cause severe hypersensitivity reactions and angioedema. Advise patients who have known hypersensitivity to capecitabine or 5-fluorouracil to inform their healthcare provider [see Contraindications (4)] . Instruct patients who develop hypersensitivity reactions or mucocutaneous symptoms (e.g., urticaria, rash, erythema, pruritus, or swelling of the face, lips, tongue or throat which make it difficult to swallow or breathe) to stop taking capecitabine tablets and immediately contact their healthcare provider or to go to an emergency room. [see Adverse Reactions (6)] . Nausea and Vomiting Instruct patients experiencing grade 2 nausea (food intake significantly decreased but able to eat intermittently) or greater to stop taking capecitabine tablets and to immediately contact their healthcare provider for management of nausea [see Adverse Reactions (6.1)] . Instruct patients experiencing grade 2 vomiting (2 to 5 episodes in a 24-hour period) or greater to stop taking capecitabine tablets immediately and to contact their healthcare provider for management of vomiting [see Adverse Reactions (6.1)] . Stomatitis Inform patients experiencing grade 2 stomatitis (painful erythema, edema or ulcers of the mouth or tongue, but able to eat) or greater to stop taking capecitabine tablets immediately and to contact their healthcare provider [see Adverse Reactions (6.1)] . Important Administration Instructions Advise patients to swallow capecitabine tablets whole with water within 30 minutes after a meal. Advise patients and caregivers not to chew, crush, or cut capecitabine tablets. Advise patients if they cannot swallow capecitabine tablets whole to inform their healthcare provider [see Dosage and Administration (2.7), Warnings and Precautions (5.12)] . Drug interactions Instruct patients not to take products containing folic acid or folate analog products (e.g., leucovorin, levoleucovorin) unless directed to do so by their healthcare provider. Advise patients to inform their healthcare provider of all prescription or nonprescription medications, vitamins or herbal products [see Drug Interactions (7.1, 7.2, 7.3)]. Manufactured by: Alkem Laboratories Ltd., Mumbai - 400 013, INDIA. Distributed by: Ascend Laboratories, LLC Bedminster, NJ 07921 Trademarks are the property of their respective owners. Revised: October 2025