[Pharmacokinetics of amodiaquine and prevention of Plasmodium falciparum malaria]. 1985

E Pussard, and F Verdier, and F Faurisson, and M C Blayo

Amodiaquine might appear as an alternative in prophylaxis of chloroquine-resistant P. falciparum malaria. In an attempt to explain the discrepancy between its in vivo-in vitro activity, a pharmacokinetic study was conducted in healthy subjects with HPLC assays. The results showed that: amodiaquine was no more detected in the blood, a main metabolite (monodesethyl derivative) appeared as the active form of the drug in vivo, metabolite's half-life had a mean value of 15.6 +/- 5.4 days. This study shows that monodesethylamodiaquine (and not amodiaquine) must be monitored in vitro. Furthermore the high individual variations of blood levels and half-life's values suggest that the weekly prophylactic schedule must be eventually re-evaluated.

UI MeSH Term Description Entries
D008288 Malaria A protozoan disease caused in humans by four species of the PLASMODIUM genus: PLASMODIUM FALCIPARUM; PLASMODIUM VIVAX; PLASMODIUM OVALE; and PLASMODIUM MALARIAE; and transmitted by the bite of an infected female mosquito of the genus ANOPHELES. Malaria is endemic in parts of Asia, Africa, Central and South America, Oceania, and certain Caribbean islands. It is characterized by extreme exhaustion associated with paroxysms of high FEVER; SWEATING; shaking CHILLS; and ANEMIA. Malaria in ANIMALS is caused by other species of plasmodia. Marsh Fever,Plasmodium Infections,Remittent Fever,Infections, Plasmodium,Paludism,Fever, Marsh,Fever, Remittent,Infection, Plasmodium,Plasmodium Infection
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010963 Plasmodium falciparum A species of protozoa that is the causal agent of falciparum malaria (MALARIA, FALCIPARUM). It is most prevalent in the tropics and subtropics. Plasmodium falciparums,falciparums, Plasmodium
D005260 Female Females
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000655 Amodiaquine A 4-aminoquinoline compound with anti-inflammatory properties. Amodiachin,Amodiaquin,Amodiaquine Hydrochloride,Camoquin,Camoquine,Flavoquine,Hydrochloride, Amodiaquine

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