Vemurafenib: Targeted Therapy for BRAF V600 Melanoma
Vemurafenib is a targeted therapy drug used to treat specific types of skin cancer, primarily melanoma. It belongs to a class of medications known as BRAF inhibitors.
Vemurafenib works by targeting and blocking the function of the mutated BRAF protein, which is responsible for the uncontrolled growth of cancer cells. It is only effective in patients whose tumors harbor the BRAF V600 mutation.
This medication has revolutionized the treatment of advanced melanoma, providing a significant improvement in progression-free and overall survival compared to traditional treatments.
Indications
- Melanoma: Treatment of patients with unresectable or metastatic melanoma positive for the BRAF V600 mutation.
- Erdheim-Chester Disease (ECD): Indicated for the treatment of adult patients with BRAF V600 mutation-positive ECD.
Dosage and administration
Dosage must be determined by an oncologist based on the patient's condition.
- Standard Dose: 960 mg (four 240 mg tablets) taken twice daily. The total daily dose is 1920 mg.
- Administration: Tablets should be swallowed whole with water. They can be taken with or without food. Maintain a 12-hour interval between doses.
- Monitoring: Patients should be screened for BRAF mutation status before starting therapy.
- Hypersensitivity to vemurafenib or any excipients.
- Patients with "wild-type" BRAF melanoma (the drug may promote tumor growth).
- Pregnancy and breastfeeding (potential for fetal harm).
- Severe hepatic or renal impairment (use with caution).
Patients should be monitored regularly for the following potential side effects:
- Dermatologic: Photosensitivity reactions, rash, pruritus, and dry skin. Sun protection is mandatory.
- Secondary Malignancies: Development of new cutaneous squamous cell carcinomas or keratoacanthomas.
- Musculoskeletal: Arthralgia (joint pain) and myalgia.
- Gastrointestinal: Nausea, diarrhea, and vomiting.
- Cardiac: QT interval prolongation (monitoring via ECG is recommended).
List of medicines by active substance Vemurafenib
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