Title
Evaluation of Weekly Tafenoquine
Evaluation of Weekly Tafenoquine (SB 252263 / WR 238605) Compared to Placebo for Chemosuppression of Plasmodium Falciparum in Western Kenya
Phase
Phase 2Lead Sponsor
United States ArmyStudy Type
InterventionalStatus
Completed No Results PostedIndication/Condition
MalariaIntervention/Treatment
tafenoquine succinate ...Study Participants
249This study is a phase 2b, placebo controlled, randomized, blinded study of the efficacy of WR 238605, a new primaquine analog, compared to placebo as chemosuppression of P. falciparum malaria in Nyanza Province, western Kenya.
Tafenoquine 200mg and 400 mg
Placebo
Loading with tafenoquine 400 mg base for three days followed by placebo weekly.
Loading with tafenoquine 200 mg base for 3 days followed by tafenoquine 200 mg weekly.
Loading with tafenoquine to 400 mg base for 3 days followed by tafenoquine 400 mg base weekly.
Inclusion Criteria: Healthy subjects (male or female) Age of 18-55 years Residing in one of the study villages of the Nyanza Province for the entire study Exclusion Criteria: Any cardiovascular, liver, neurologic, or renal functional abnormality which in the opinion of the clinical investigators would place the subject at increased risk of an adverse event or confuse the result. Female subjects who were pregnant (Positive serum / plasma -HCG as tested within 48 hours of first drug administration). Use of antimalarial drugs not prescribed by study physicians within 2 weeks of study drug initiation. Clinically significant abnormalities (including but not limited to abnormal hepatic or renal function) as determined by history, physical and routine blood chemistries and complete blood count. Known hypersensitivity to any study drug. Unwilling to remain in area and report for drug administration and blood drawing during the duration of the study. Glucose 6 Phosphate Dehydrogenase (G6PD) deficiency.