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  • Title: Halofantrine in the treatment of acute uncomplicated falciparum malaria in the Philippines.
    Author: Salazar NP, Carlos CC, Bustos DG, Quiambao BP, Saniel MC, Santos MN.
    Journal: Southeast Asian J Trop Med Public Health; 1991 Sep; 22(3):386-92. PubMed ID: 1818390.
    Abstract:
    In an open clinical trial, thirty patients 14 to 44 years old and with acute uncomplicated falciparum malaria were given halofantrine hydrochloride 500 mg (2 tablets) 6-hourly for 3 doses, a total dose of 1500 mg. All 30 patients were cured, with a mean asexual parasite clearance time of 47.6 hours and mean fever clearance time of 36.6 hours. Post-dosing side-effects occurred in 6 patients consisting of mild to moderate headache, dizziness and abdominal muscle spasm. Drug-induced hemolysis did not occur in two G6PD deficient patients. Twenty-three out of 28 isolates tested (82%) were resistant to amodiaquine, 3 (11%) were resistant to the sulfadoxine-pyrimethamine combination, and all were sensitive to chloroquine, quinine and mefloquine by in vitro microtests. The study confirms the efficacy of halofantrine hydrochloride as a blood schizonticide in falciparum malaria.
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