PMID- 20368815 OWN - NLM STAT- MEDLINE DCOM- 20110616 LR - 20220318 IS - 1932-6203 (Electronic) IS - 1932-6203 (Linking) VI - 5 IP - 4 DP - 2010 Apr 2 TI - Intermittent preventive treatment in infants for the prevention of malaria in rural Western kenya: a randomized, double-blind placebo-controlled trial. PG - e10016 LID - 10.1371/journal.pone.0010016 [doi] LID - e10016 AB - BACKGROUND: Intermittent preventive treatment in infants (IPTi) with sulphadoxine-pyrimethamine (SP) for the prevention of malaria has shown promising results in six trials. However, resistance to SP is rising and alternative drug combinations need to be evaluated to better understand the role of treatment versus prophylactic effects. METHODS: Between March 2004 and March 2008, in an area of western Kenya with year round malaria transmission with high seasonal intensity and high usage of insecticide-treated nets, we conducted a randomized, double-blind placebo-controlled trial with SP plus 3 days of artesunate (SP-AS3), 3 days of amodiaquine-artesunate (AQ3-AS3), or 3 days of short-acting chlorproguanil-dapsone (CD3) administered at routine expanded programme of immunization visits (10 weeks, 14 weeks and 9 months). PRINCIPAL FINDINGS: 1,365 subjects were included in the analysis. The incidence of first or only episode of clinical malaria during the first year of life (primary endpoint) was 0.98 episodes/person-year in the placebo group, 0.74 in the SP-AS3 group, 0.76 in the AQ3-AS3 group, and 0.82 in the CD3 group. The protective efficacy (PE) and 95% confidence intervals against the primary endpoint were: 25.7% (6.3, 41.1); 25.9% (6.8, 41.0); and 16.3% (-5.2, 33.5) in the SP-AS3, AQ3-AS3, and CD3 groups, respectively. The PEs for moderate-to-severe anaemia were: 27.5% (-6.9, 50.8); 23.1% (-11.9, 47.2); and 11.4% (-28.6, 39.0). The duration of the protective effect remained significant for up to 5 to 8 weeks for SP-AS3 and AQ3-AS3. There was no evidence for a sustained beneficial or rebound effect in the second year of life. All regimens were well tolerated. CONCLUSIONS: These results support the view that IPTi with long-acting regimens provide protection against clinical malaria for up to 8 weeks even in the presence of high ITN coverage, and that the prophylactic rather than the treatment effect of IPTi appears central to its protective efficacy. FAU - Odhiambo, Frank O AU - Odhiambo FO AD - Kenya Medical Research Institute, Centre for Global Health Research, Kisumu, Kenya. fodhiambo@ke.cdc.gov FAU - Hamel, Mary J AU - Hamel MJ FAU - Williamson, John AU - Williamson J FAU - Lindblade, Kim AU - Lindblade K FAU - ter Kuile, Feiko O AU - ter Kuile FO FAU - Peterson, Elizabeth AU - Peterson E FAU - Otieno, Peter AU - Otieno P FAU - Kariuki, Simon AU - Kariuki S FAU - Vulule, John AU - Vulule J FAU - Slutsker, Laurence AU - Slutsker L FAU - Newman, Robert D AU - Newman RD LA - eng SI - ClinicalTrials.gov/NCT00111163 PT - Journal Article PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't DEP - 20100402 PL - United States TA - PLoS One JT - PloS one JID - 101285081 RN - 0 (Antimalarials) RN - 0 (Artemisinins) RN - 0 (Drug Combinations) RN - 0 (chloroguanil, dapsone drug combination) RN - 37338-39-9 (fanasil, pyrimethamine drug combination) RN - 60W3249T9M (Artesunate) RN - 88463U4SM5 (Sulfadoxine) RN - 8W5C518302 (Dapsone) RN - S61K3P7B2V (Proguanil) RN - Z3614QOX8W (Pyrimethamine) SB - IM MH - Anemia MH - Antimalarials/*administration & dosage MH - Artemisinins/administration & dosage MH - Artesunate MH - Dapsone/administration & dosage MH - Double-Blind Method MH - Drug Combinations MH - Humans MH - Incidence MH - Infant MH - Kenya MH - Malaria/drug therapy/*prevention & control MH - Premedication/methods MH - Proguanil/administration & dosage/analogs & derivatives MH - Pyrimethamine/administration & dosage MH - Sulfadoxine/administration & dosage MH - Treatment Outcome PMC - PMC2848869 COIS- Competing Interests: The authors have declared that no competing interests exist. EDAT- 2010/04/07 06:00 MHDA- 2011/06/17 06:00 PMCR- 2010/04/02 CRDT- 2010/04/07 06:00 PHST- 2009/06/10 00:00 [received] PHST- 2010/03/09 00:00 [accepted] PHST- 2010/04/07 06:00 [entrez] PHST- 2010/04/07 06:00 [pubmed] PHST- 2011/06/17 06:00 [medline] PHST- 2010/04/02 00:00 [pmc-release] AID - 09-PONE-RA-11078R1 [pii] AID - 10.1371/journal.pone.0010016 [doi] PST - epublish SO - PLoS One. 2010 Apr 2;5(4):e10016. doi: 10.1371/journal.pone.0010016.