At a glance
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A Randomized, Controlled Clinical Trial of Chloroquine as Chemoprophylaxis Versus Intermittent Preventive Therapy to Prevent Malaria in Pregnancy in Malawi
In Brief
A Phase 3 clinical trial evaluating Chloroquine and Sulfadoxine-pyrimethamine for Malaria. Completed, enrolled 900 participants across 1 site.
Detailed Summary
The purpose of this study is to test prevention strategies for pregnancy-related malaria. Researchers will compare different malaria treatments and treatment schedules which include chloroquine therapy (weekly doses versus being dosed twice during pregnancy for 3 days each time) to the standard practice of preventive treatment intervals in pregnancy (with the drug sulfadoxine-pyrimethamine given twice during pregnancy). Participants will include 900 pregnant women, who will be assigned to one of three treatment groups. Blood samples will be collected at every visit before birth and any time the participant is ill to determine if malaria is present. Pregnant women will be monitored during pregnancy and newborns will be assessed at birth and followed until about 14 weeks. Participant involvement in the study is expected to last about 12 months.
Study Details
Timeline
Interventions
Chloroquine tablets contain 300 mg chloroquine base per tablet. Dosages: Chloroquine 1,500 mg base over 3 days twice during pregnancy or Chloroquine 600 mg loading dose followed by 300 mg orally once per week. Intermittant preventative treatment in pregnancy (IPTp) doses will be administered between weeks 20-28 and weeks 28-34 gestation, 4 weeks apart. Participants randomized to IPTp with chloroquine will require their second and third doses of chloroquine after the initial dose given in the clinic and those assigned to chloroquine chemoprophylaxis will require weekly doses.
Sulfadoxine-pyrimethamine 3 tablets (1,500 mg sulfadoxine and 75 mg pyrimethamine) twice during pregnancy. Intermittant preventive treatment in pregnancy (IPTp) doses will be administered between weeks 20-28 and weeks 28-34, 4 weeks apart.