Tolerance of Kenyan Schistosoma mansoni to oxamniquine

Although 30 mg/kg oxamniquine produced high levels (85·5 to 99·5%) of egg reduction in Kenyan children infected with Schistosoma mansoni after a single oral treatment, cure rates from children at Mwea in Kirinyaga district were lower than those from Machakos (58% v. 74%). Redosing uncured children c...

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Veröffentlicht in:Transactions of the Royal Society of Tropical Medicine and Hygiene 1987-01, Vol.81 (5), p.782-785
Hauptverfasser: Coles, G.C., Mutahi, W.T., Kinoti, G.K., Bruce, J.I., Katz, N.
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container_issue 5
container_start_page 782
container_title Transactions of the Royal Society of Tropical Medicine and Hygiene
container_volume 81
creator Coles, G.C.
Mutahi, W.T.
Kinoti, G.K.
Bruce, J.I.
Katz, N.
description Although 30 mg/kg oxamniquine produced high levels (85·5 to 99·5%) of egg reduction in Kenyan children infected with Schistosoma mansoni after a single oral treatment, cure rates from children at Mwea in Kirinyaga district were lower than those from Machakos (58% v. 74%). Redosing uncured children confirmed this lower cure rate (36% v. 83%). Isolates from infected children were passaged into mice and dosed with oxamniquine. Lower than expected reductions in worm numbers were obtained, suggesting that oxamniquine tolerant S. mansoni are present in the normal worm population in Kenya. It is concluded that mass use of oxamniquine at 30 mg/kg may produce problems of drug resistance.
doi_str_mv 10.1016/0035-9203(87)90032-0
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subjects Administration, Oral
Animals
Antibiotics. Antiinfectious agents. Antiparasitic agents
Antiparasitic agents
Biological and medical sciences
Child
Diseases caused by trematodes
Dose-Response Relationship, Drug
Drug Resistance
Female
Helminthic diseases
Humans
Infectious diseases
Kenya
Male
Medical sciences
Nitroquinolines - therapeutic use
Oxamniquine - administration & dosage
Oxamniquine - therapeutic use
Parasitic diseases
Pharmacology. Drug treatments
Prevention and actions
Public health. Hygiene
Public health. Hygiene-occupational medicine
Schistosoma mansoni - drug effects
Schistosomiases
Schistosomiasis mansoni - drug therapy
Schistosomiasis mansoni - epidemiology
Specific populations (family, woman, child, elderly...)
Tropical medicine
title Tolerance of Kenyan Schistosoma mansoni to oxamniquine
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