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Sorafenib Tosylate: Brands, Price & Uses in Bangladesh
Sorafenib Tosylate is an oral multi-targeted tyrosine kinase inhibitor with the following evidence-based indications: Established / Approved uses Unresectable hepatocellular carcinoma (HCC):…
About Sorafenib Tosylate
Indications of Sorafenib Tosylate
Sorafenib Tosylate is an oral multi-targeted tyrosine kinase inhibitor with the following evidence-based indications:
Established / Approved uses
- Unresectable hepatocellular carcinoma (HCC): Sorafenib Tosylate is indicated for the treatment of patients with liver cancer that cannot be surgically removed.
- Advanced renal cell carcinoma (RCC): Sorafenib Tosylate is indicated for the treatment of advanced kidney cancer, typically after failure of prior cytokine-based therapy or as an alternative targeted agent.
- Differentiated thyroid carcinoma (DTC): Sorafenib Tosylate is indicated for locally recurrent or metastatic, progressive differentiated thyroid cancer that is refractory to radioactive iodine (RAI) treatment.
Sorafenib Tosylate is not indicated for medullary or anaplastic thyroid cancer, and is not established for use in children.
Dosage & Administration of Sorafenib Tosylate
Recommended dosing by indication
| Indication | Adult dose |
|---|---|
| Unresectable hepatocellular carcinoma | 400 mg (two 200 mg tablets) orally twice daily, continued until lack of clinical benefit or unacceptable toxicity |
| Advanced renal cell carcinoma | 400 mg (two 200 mg tablets) orally twice daily, continued until lack of clinical benefit or unacceptable toxicity |
| Radioactive-iodine-refractory differentiated thyroid carcinoma | 400 mg (two 200 mg tablets) orally twice daily, continued until lack of clinical benefit or unacceptable toxicity |
Administration
Take Sorafenib Tosylate tablets on an empty stomach, at least 1 hour before or 2 hours after a meal, and swallow whole with a full glass of water. Avoid taking with a high-fat meal, as this reduces absorption.
Dose modification for toxicity
For adverse reactions such as hand-foot skin reaction, hypertension, or other significant toxicity, the physician may interrupt therapy and/or reduce the dose in a stepwise manner, typically first to 400 mg once daily, and further to 400 mg every other day, according to severity.
Hepatic impairment
No dose adjustment is required in patients with mild to moderate hepatic impairment (Child-Pugh A or B). Data in severe hepatic impairment (Child-Pugh C) are limited; use with caution and close monitoring.
Renal impairment
No dose adjustment is generally required in mild-to-moderate renal impairment. Data in severe renal impairment or patients on dialysis are limited; use with caution.
Side Effects of Sorafenib Tosylate
Side effects of Sorafenib Tosylate range from common dermatologic and gastrointestinal effects to rare but serious systemic toxicities.
Very common / common
- Hand-foot skin reaction (palmar-plantar erythrodysesthesia)
- Diarrhea
- Fatigue and asthenia
- Alopecia (hair thinning/loss)
- Rash and dry skin
- Hypertension
- Anorexia, nausea, weight loss
- Mucositis / stomatitis
Serious (require prompt medical attention)
- Bleeding events, including severe or fatal hemorrhage
- Cardiac ischemia and myocardial infarction
- Hepatotoxicity (drug-induced liver injury, sometimes severe)
- Gastrointestinal perforation (rare)
- Hypertensive crisis
- QT interval prolongation
- Impaired wound healing
Contraindications of Sorafenib Tosylate
Sorafenib Tosylate is contraindicated in patients with known hypersensitivity to sorafenib, sorafenib tosylate, or to any excipient of the formulation.
Frequently Asked Questions about Sorafenib Tosylate
What is Sorafenib Tosylate used for?
Sorafenib Tosylate is used to treat unresectable liver cancer (hepatocellular carcinoma), advanced kidney cancer (renal cell carcinoma), and certain thyroid cancers that no longer respond to radioactive iodine treatment.
How should I take Sorafenib Tosylate?
Take Sorafenib Tosylate exactly as prescribed, usually 400 mg (two 200 mg tablets) twice daily, on an empty stomach — at least 1 hour before or 2 hours after a meal — swallowed whole with water.
What are the most serious side effects of Sorafenib Tosylate?
Sorafenib Tosylate can cause serious bleeding, cardiac ischemia or heart attack, severe liver injury, and rarely gastrointestinal perforation. Seek immediate medical attention for unusual bleeding, chest pain, severe abdominal pain, or yellowing of the skin/eyes while taking Sorafenib Tosylate.
Can Sorafenib Tosylate be used during pregnancy or breastfeeding?
No. Sorafenib Tosylate can harm an unborn baby and should not be used during pregnancy; effective contraception is recommended during treatment. Breastfeeding should also be avoided while taking Sorafenib Tosylate, on your physician's advice.
What if I miss a dose or take too much Sorafenib Tosylate?
If you miss a dose, take it as soon as you remember unless it is close to your next dose — do not double up. If you suspect an overdose of Sorafenib Tosylate, seek immediate medical attention or contact a poison control center right away.
Are there foods or medicines I should avoid with Sorafenib Tosylate?
Avoid high-fat meals around dosing time, and tell your doctor about all medicines you take, especially warfarin, rifampin, phenytoin, carbamazepine, St. John's Wort, docetaxel, or irinotecan, as these can interact significantly with Sorafenib Tosylate.
Disclaimer
The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.