Honvan — Fosfestrol 120 mg
Honvan is a synthetic estrogen used in prostate cancer therapy. Active ingredient: Fosfestrol (120 mg).
Manufacturer: Zydus (India). It acts as a prodrug with a unique targeted delivery system.
Mechanism of Action:
Fosfestrol is inactive until it reaches the prostate gland. High levels of the enzyme acid phosphatase found in prostate tissue convert Fosfestrol into its active cytotoxic form (Diethylstilbestrol). This allows for a high concentration of the drug within the tumor while minimizing systemic side effects.
✅ Benefit: Effective even in hormone-refractory prostate cancer cases.
Notice. The information on this page is for reference only and does not replace medical consultation. Always consult a healthcare professional and read the manufacturer's instructions before using any medicine. Self-medication may be dangerous. Information updated: 17.03.2026
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