Association of Capecitabine Pharmacokinetics and Toxicity With Aging
Breast Cancer, Colorectal Cancer
About this trial
This is an interventional basic science trial for Breast Cancer focused on measuring Capecitabine, Pharmacokinetics, Ageing, Frailty, Breast cancer, Colorectal cancer
Eligibility Criteria
Inclusion Criteria:
1) Histologic or cytologic diagnosis of breast cancer or colorectal cancer. Patients should have disease that is suitable for capecitabine monotherapy as defined by the NICE Guidelines.
2) Patients must be within the first week of their first cycle of capecitabine treatment.
3) Estimated life expectancy of greater than 3 months. 4) Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2. 5) Total serum bilirubin less than or equal to 25 micromol/L. 6) Serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels less than 2.5 times the upper limit of the normal range.
7) Serum albumin level greater than 32 g/L. 8) Creatinine clearance greater than or equal to 30 mL/minute. 9) Blood haemoglobin level of greater than 9 g/dL, with transfusion allowed. 10) Absolute neutrophil count greater than 2.5 x 109/L. 11) Platelet count greater than 100 x 109/L. 12) 18 years of age or older. 13) Written informed consent.
Exclusion Criteria:
- Pregnancy or breast feeding.
- Known HIV, Hepatitis B, or Hepatitis C infection.
- Known Gilbert syndrome.
- Uncontrolled diabetes (HbA1c greater than 7.5%).
Any condition or disease that might affect oral absorption of medications, including:
- Crohn's disease
- Ulcerative colitis
Major gastric or small bowel resection
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Sites / Locations
Arms of the Study
Arm 1
Experimental
Capecitabine