| Common Brands | Xeloda |
|---|---|
|
Drug Class |
Antimetabolite |
|
Controlled Substance Classification |
Not a controlled medication |
|
Generic Status |
Lower-cost generic available |
|
Availability |
Prescription only |
Capecitabine is a chemotherapeutic agent that comes in pill form and is metabolized into 5-fluorouracil, which is an active chemotherapeutic agent. Because of its oral formulation, patients are able to take this medication with less inconvenience than the more commonly used IV formulations for chemotherapy. Chemotherapy, with 5-FU being one of the more commonly used drugs, for colon, rectal, and breast cancers, has made this a very widely prescribed medication, providing a choice between IV treatments.
It is generally prescribed along with other therapies that treat cancer, but in certain situations, it may be used alone as per the specific case and the type of cancer.
Capecitabine is administered in the treatment of different cancer types, most commonly as part of a combination of other treatments. Some major indications include:
Breast Cancer: Capecitabine is administered in early or advanced stages of breast cancer, especially in cases that are HER2-negative or have metastasized.
Colorectal Cancer: Capecitabine is administered to treat advanced or metastatic colorectal cancer. It is administered in combination with other chemotherapy and drugs,
Gastric Cancer: Capecitabine is also administered to treat advanced or metastatic gastric cancer, especially when given in combination with other drugs, such as cisplatin.
Other Cancer Types: Capecitabine is sometimes used off-label for cancer types like pancreatic or esophageal cancer, but it is not approved for any other cancer type.
Capecitabine is a prodrug, where once it enters the body, it undergoes conversion into its active form, 5-FU. The primary location of this conversion process occurs in the liver and in the tumor tissue. 5-FU is an antimetabolite drug that works to interfere with normal metabolic pathways in cancer cells.
It is the active form of 5-FU, which inhibits thymidine synthesis, a required DNA building block. Without thymidine, cancer cells cannot successfully replicate and divide, leading to cell death. This process helps in slowing the growth of the tumors and preventing the metastasis of cancer. As such, since capecitabine is metabolized within the tumor tissue, the drug tends to act within a localized area; as such, it reduces side effects from systemic compared to traditional chemotherapy agents, including 5-FU applied through IV.
As with any chemotherapy drug, capecitabine can cause side effects. These can be mild, moderate, or severe, depending on a person’s health, dosage, and length of treatment. Some common side effects of capecitabine are:
Nausea and Vomiting: These are common side effects, especially in the beginning stages of treatment.
Diarrhea: Capecitabine can cause gastrointestinal symptoms, such as diarrhea that may need to be managed with anti-diarrheal medications.
Fatigue: Most patients feel tired or weak while on treatment with capecitabine.
Loss of Appetite: Some patients may develop an aversion to food or experience weight loss.
Mouth Sores: Painful sores can develop in the mouth and throat that make it painful to eat or swallow.
Low Blood Counts: Capecitabine can cause low levels of red blood cells, white blood cells, or platelets, making it easier to get infections, become anemic, or experience bleeding.
Liver Toxicity: In some instances, capecitabine can cause problems in the liver, including elevated liver enzymes, jaundice, or hepatitis.
There are a number of important warnings and precautions to consider when using capecitabine:
Pregnancy and Breastfeeding: Capecitabine can cause harm to the fetus. Therefore, pregnant women should not use it during pregnancy. Also, the medicine is not prescribed for lactating mothers because it may pass into the breast milk.
Kidney or Liver Conditions: Patients with kidney or liver conditions should exercise utmost care when using capecitabine because this drug may worsen their conditions.
Blood Disorders: Capecitabine can cause bone marrow suppression, which may lead to low blood cell counts. Patients are required to have regular blood tests to monitor their blood counts during treatment.
Capecitabine, an oral chemotherapy drug, interacts with other medications, affecting its efficacy and safety.
The dosage of capecitabine varies depending on the type of cancer being treated, the patient’s overall health, and their response to the drug. The usual dose is taken twice a day for two weeks, followed by a one-week break. The dosage is typically based on body surface area (BSA) and may be adjusted depending on the patient’s tolerance to the drug and any side effects experienced.
It is essential to follow your doctor’s instructions regarding dosage to ensure the effectiveness of the drug while minimizing side effects.
Capecitabine is available only by prescription. It should only be used under the guidance of an oncologist or a healthcare provider familiar with cancer treatments. Regular monitoring, including blood tests, may be necessary to assess the drug’s effectiveness and detect any side effects.
What is Capecitabine?
Capecitabine is an oral chemotherapy medication used to treat certain types of cancer, primarily colorectal cancer and breast cancer.
How does Capecitabine work?
Capecitabine is a prodrug that converts into 5-fluorouracil (5-FU) in the body, which inhibits cancer cell growth by interfering with DNA synthesis.
What types of cancer are treated with Capecitabine?
It is commonly used for metastatic colorectal cancer and as adjuvant therapy for breast cancer.
What is the typical dosage of Capecitabine?
Dosage varies based on the type of cancer being treated and individual health factors, but it is often taken twice daily for a specific treatment cycle.
What are the common side effects of Capecitabine?
Common side effects include nausea, vomiting, diarrhea, fatigue, hand-foot syndrome, and decreased blood cell counts.
How should Capecitabine be taken?
Capecitabine should be taken with water within 30 minutes after a meal, and it’s important to follow the prescribed schedule closely.
Can Capecitabine be taken during pregnancy?
Capecitabine is classified as a pregnancy category D drug, meaning it may harm the fetus, so it should be avoided during pregnancy.
Is there any food or drink to avoid while taking Capecitabine?
Avoid alcohol and consult your doctor about specific dietary restrictions to minimize side effects.
What should I do if I miss a dose of Capecitabine?
If you miss a dose, take it as soon as you remember unless it’s close to your next dose. Never double up on doses.
Are there any serious side effects associated with Capecitabine?
Serious side effects can include severe diarrhea, chest pain, signs of infection, or severe skin reactions. Immediate medical attention is required.
Can Capecitabine be used in combination with other treatments?
Yes, Capecitabine is often used in combination with other chemotherapy drugs or targeted therapies, depending on the cancer type.
How is the efficacy of Capecitabine monitored?
Efficacy is typically monitored through regular imaging tests, blood tests, and assessment of symptoms and side effects.
Can Capecitabine affect fertility?
Capecitabine may potentially affect fertility in both men and women, so discussing fertility options with your doctor is important before starting treatment.
What should be done in the case of an overdose of Capecitabine?
An overdose can lead to severe side effects. Seek immediate medical attention if an overdose is suspected.
Is Capecitabine covered by insurance?
Coverage can vary between insurance plans. It’s important to confirm with your insurance provider regarding coverage for Capecitabine.
How long is Capecitabine usually prescribed for?
The length of treatment varies; it may be prescribed for several weeks to months, depending on the response to therapy.
What should patients know about lab tests while taking Capecitabine?
Regular blood tests are necessary to monitor for side effects, especially for blood cell counts and liver function.
Are there any alternatives to Capecitabine?
Yes, there are alternative treatments available, including other chemotherapy agents and targeted therapies. Discussing options with an oncologist is advisable.
Can I drive while taking Capecitabine?
Be cautious as Capecitabine may cause fatigue or dizziness. If you feel affected, it’s best to avoid driving until you know how the medication impacts you.
Where can I find more information about Capecitabine?
Reliable information can be found on websites such as the FDA, cancer organizations like the American Cancer Society, or by speaking with a healthcare professional.
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