TEMOSIDE 100 MG

About

Temozolomide is an oral alkylating agent used in the treatment of certain brain tumors, particularly glioblastoma multiforme and anaplastic astrocytoma. It is a prodrug that rapidly converts to its active metabolite, MTIC (5-(3-methyl-1-triazen-1-yl)imidazole-4-carboxamide), at physiological pH. MTIC then methylates DNA at various sites, primarily at the O6 and N7 positions of guanine. This methylation leads to DNA damage and subsequent activation of DNA repair pathways. If the repair mechanisms are overwhelmed or faulty, the DNA damage triggers apoptosis (programmed cell death) in tumor cells. Temozolomide's ability to cross the blood-brain barrier effectively makes it a valuable therapeutic option for primary and recurrent brain malignancies, often used in combination with radiation therapy.

Uses

• Glioblastoma multiforme (newly diagnosed and recurrent)
• Anaplastic astrocytoma (recurrent)
• Other high-grade gliomas
• Neuroendocrine tumors (off-label)

Directions For Use

Take orally once daily, preferably on an empty stomach at bedtime, to minimize nausea. Swallow capsules whole.

Benefits

• Effective against certain brain tumors.
• Crosses the blood-brain barrier efficiently.
• Convenient oral administration.
• Improves survival in glioblastoma patients.
• Can be used in combination with radiation.
• Well-established efficacy in oncology.

Side Effects

• Nausea
• Vomiting
• Fatigue
• Myelosuppression (thrombocytopenia, neutropenia)
• Headache
• Constipation
• Anorexia
• Rash
• Alopecia
• Dizziness
• Increased liver enzymes
• Opportunistic infections

Safety Measures

• Alcohol - Avoid or limit alcohol due to potential for increased nausea, vomiting, and liver strain.
• Pregnancy - Category D; can cause fetal harm. Avoid during pregnancy; effective contraception is required.
• Breastfeeding - Not recommended; temozolomide is likely excreted in breast milk and can harm the infant.
• Liver - Use with caution; monitor liver function closely, especially in patients with pre-existing impairment.
• Kidney - Use with caution; no specific dose adjustment guidelines, but monitor renal function.
• Lung - Monitor for pulmonary toxicity, including interstitial pneumonitis, though rare.

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