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Drug-Resistant Malaria - libdoc.who.int - World Health Organization

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APPENDIX 6<br />

Future Deployment of Mefloquine and<br />

Essential Measures for Protecting<br />

Mefloquine Against Resistance<br />

By<br />

W. P"eters<br />

Department of Medical Protozoology<br />

London School of Hygiene and Tropical Medicine<br />

Keppel Street, London WClE 7HT, England<br />

1. INTRODUCTION<br />

Detailed accounts of the chemical and pharmacological properties<br />

of mefloquine were presented at a recent meeting of the<br />

Scientific Working Group on the Chemotherapy of <strong>Malaria</strong> of the<br />

UNDP/<strong>World</strong> Bank/WHO Special Progrannne on Research and Training in<br />

Tropical Diseases. For the purpose of this annex the following<br />

aspects of mefloquine should be borne in mind;-<br />

action restricted to asexual blood stages (and developing<br />

gametocytes? )<br />

no action on mature gametocytes of Plasmodium falciparum<br />

no action on tissue schizonts of any species, nor on<br />

mosquito stages<br />

no action on secondary tissue stages of P.vivax and<br />

P.ovale (hypnozoites?)<br />

blood schizontocidal action present against all Plasmodium<br />

species

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