Malaria Clinical Trial
Official title:
Safety and Efficacy of L9LS, a Human Monoclonal Antibody Against Plasmodium Falciparum, in a Randomized, Double-Blind, Placebo-Controlled Trial of Adults in Mali
The purpose of this study is to evaluate the safety and tolerability of a one time SC administration of L9LS in healthy adults in Mali, as well as its protective efficacy against naturally occurring Plasmodium falciparum (Pf) infection over a 6-month malaria season. A secondary objective is to determine if SC administration of L9LS at 900 mg (compared to placebo) mediates protection against naturally occurring Pf infection in healthy Malian adult females stratified by weight during a single malaria season.
A phase 2 trial evaluating the safety and tolerability of a one time subcutaneous (SC) administration of L9LS, as well its protective efficacy against naturally occurring Pf infection over a 6-month malaria season. The primary study hypotheses is that L9LS will be safe and protective against malaria infection. As a secondary objective, the efficacy of L9LS within three body weight strata among female participants will each be compared to placebo. Before study agent administration, all subjects will be given artemether lumefantrine to clear any preexisting Pf blood stage infection. The study is a randomized, double-blind, placebo-controlled, sex-stratified (2:1 female to male ratio) and weight-stratified trial (N=288 total) with 2 treatment arms: L9LS 900 mg SC (n=216) and placebo (n=72) to assess safety and protective efficacy of L9LS compared to placebo. Subjects will receive the study agent and be followed at study visits 1, 3, 7, 14, 21, and 28 days later, and once every 2 weeks thereafter through 24 weeks. Primary study assessments include physical examination and blood collection for identification of Pf infection and other research laboratory evaluations. ;
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