Acta tropica

Clinical experience with metrifonate. Review with emphasis on its use in endemic areas.

PMID 2892373


Metrifonate is an excellent drug for the treatment of urinary schistosomiasis in areas with S. haematobium monoinfection. Toxicity apparently is negligible. Side effects due to the inhibition of acetylcholinesterase are usually scarce, light and transient in nature. At the recommended dosage of 3 times 10 mg/kg the chemotherapeutic potential of metrifonate to cure can be expected to range between 60 and 90%. Each dose of metrifonate reduces egg excretion by almost 90%. Treatment with metrifonate clearly reverses lower and upper renal tract pathology. An intermittent course of metrifonate may be administered by minimally trained health personnel. When appropriately timed with regards to local transmission dynamics the minimal requirement to achieve 99% reduction of egg excretion may be as low as three or four doses spaced over a period of two years.

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