Pregunta
In a double blind, randomized, placebo controlled study in western Kenya, 223 healthy adults took halofantrine 250 mg day for 3 days to clear any pre existing parasites and were then assigned to 1 of 4 drug regimens placebo throughout; tafenoquine 400 mg day for 3 days followed by placebo weekly; tafenoquine 200 mg day for 3 days followed by 200 mg week; and tafenoquine 400 mg day for 3 days followed by 400 mg week; prophylaxis was continued for up to 13 weeks 5 doxycycline ingredients