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Double-blind studies with mefloquine alone and in combination with sulfadoxine-pyrimethamine in 120 adults and 120 children with falciparum malaria in Vietnam. 1990

K A Trinh, and V K Nguyen, and K Arnold, and V C Vo, and N B Nguyen, and T Kim, and J Ladinsky
Cho Ray Hospital, Ho Chi Minh City, Vietnam.

In 120 adult Vietnamese patients with uncomplicated falciparum malaria the efficacy of, and tolerance to, mefloquine (M) vs the combination of mefloquine + sulfadoxine + pyrimethamine (MSP) was studied in a double-blind, randomized comparative trial with chloroquine. Also, a double-blind dose finding study of MSP was performed in 120 Vietnamese children with uncomplicated falciparum malaria. In the adults the mean parasite clearance time with M was 3.8 d and with MSP 3.6 d. Defervescence occurred in 2.9 and 3.0 d respectively for M and MSP. There was a 36.8% resistance rate in 38 patients treated with chloroquine. 96% of the children were sensitive or showed a delayed RI response. The lowest dose of MSP (10 mg/kg M + 20 mg/kg S + 1.0 mg/kg P, 1 tablet Fansimef) was as effective as 1.5-2x this dose in children weighing 23-30 kg. Side effects were mild, except for vomiting which required alternative therapy in 4 patients.

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
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D011739 Pyrimethamine One of the FOLIC ACID ANTAGONISTS that is used as an antimalarial or with a sulfonamide to treat toxoplasmosis. Chloridin,Daraprim,Malocide,Tindurine
D011897 Random Allocation A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. Randomization,Allocation, Random
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked

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