Q&A

How is capecitabine metabolism?

How is capecitabine metabolism?

Metabolized by thymidine phosphorylase to fluoruracil. Capecitabine and its metabolites are predominantly excreted in urine; 95.5% of administered capecitabine dose is recovered in urine.

Does capecitabine make you gain weight?

heart problems–chest pain, irregular heartbeats, swelling in your lower legs, rapid weight gain, feeling lightheaded or short of breath; or.

What happens if you take capecitabine on an empty stomach?

Taking your tablets Whether you have a full or an empty stomach can affect how much of a drug gets into your bloodstream. You should take the right dose, no more or less. Talk to your specialist or advice line before you stop taking a cancer drug.

Does capecitabine cause liver damage?

Capecitabine has been associated with mild liver damage most notably causing hepatic steatosis and has more recently been reported to have a possible association with sinusoidal obstruction syndrome (SOS) 1.

Can I touch capecitabine?

Keep containers out of reach of children and pets. If a caregiver prepares your dose for you, they should consider wearing gloves or pour the pills directly from their container into the cap, a small cup, or directly into your hand. They should avoid touching the pills.

How long is capecitabine effective?

A prespecified interim analysis showed that the study had met its primary endpoint and was thus terminated early, after a median follow-up of 3.6 years. At 3 years, 82.8% of capecitabine patients were alive and free from recurrence or second cancer, compared with 73.9% of control patients.

What food to avoid after chemotherapy?

Foods to avoid (especially for patients during and after chemo):

  • Hot, spicy foods (i.e. hot pepper, curry, Cajun spice mix).
  • High fiber foods (i.e. raw fruit and vegetables, coarse whole grains).
  • Fatty, greasy, or fried foods.
  • Rich desserts.
  • Nuts, seeds, or dried fruit.

What are the pharmacokinetics of capecitabine and metabolites?

☑ Capecitabine and metabolite pharmacokinetics are highly variable across cancer patients. Absorption of capecitabine is more rapid after (partial) gastrectomy. Exposure to the metabolite 5‐fluorouracil is increased by 21.5% for DPYD *2A mutation carriers. HOW MIGHT THIS CHANGE DRUG DISCOVERY, DEVELOPMENT, AND/OR THERAPEUTICS?

When to use capecitabine in combination with chemotherapy?

Capecitabine tablets, USP are indicated as first-line treatment of patients with metastatic colorectal carcinoma when treatment with fluoropyrimidine therapy alone is preferred. Combination chemotherapy has shown a survival benefit compared to 5-FU/LV alone.

Where does capecitabine go after conversion to 5-FU?

The three metabolic enzymes responsible for the biotransformation of capecitabine to 5-FU show fairly specific expression in liver and tumor tissue. Following conversion to 5-FU, 60–90% of capecitabine is catabolized by dihydropyrimidine dehydrogenase (DPD) ultimately to FBAL and 10–20% is excreted in urine unchanged.

What is the adverse effect profile of capecitabine?

Capecitabine, a fluoropyrimidine carbamate, is an oral prodrug that undergoes enzymatic conversion in the liver to 5-FU. 45 The adverse-effect profile is similar to that of infusional 5-FU regimen, with hand-foot syndrome as the predominant toxicity.