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    Apr 21, 2021
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    Antimalarial efficacy of sulfadoxine-pyrimethamine, amodiaquine and a combination of chloroquine plus sulfadoxine-pyrimethamine in Bundi Bugyo, western Uganda.

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    Authors
    Checchi, F
    Piola, P
    Kosack, C
    Ardizzoni, E
    Klarkowski, D
    Kwezi, E
    Priotto, G
    Balkan, S
    Bakyaita, N
    Brockman, A
    Guthmann, J P
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    Affiliation
    Epicentre, Paris, France. fchecci@epicentre.msf.org
    Issue Date
    2004-04
    
    Metadata
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    Journal
    Tropical Medicine & International Health
    Abstract
    We report below an in vivo antimalarial efficacy study conducted in 2002 in Bundi Bugyo, a district of western Uganda housing a large displaced population. We tested sulfadoxine-pyrimethamine (SP), amodiaquine (AQ) and the combination chloroquine plus SP (CQ + SP). A total of 268 children with uncomplicated Plasmodium falciparum malaria were followed-up for 28 days according to WHO recommendations, with PCR genotyping to distinguish late recrudescences from re-infections. PCR-adjusted failure proportions at day 28 were 37.0% (34/92, 95% CI 27.1-47.7) in the SP group, 20.6% (14/68, 95% CI 11.7-32.1) in the AQ group and 22.8% (18/79, 95% CI 14.1-33.6) in the CQ + SP group. Early failures were particularly frequent in the SP group (15.2%). Clearance of gametocytes was slower in the SP and CQ + SP groups than in the AQ group. This study suggests that, in Bundi Bugyo, CQ + SP (Uganda's first-line regimen) will need to be replaced by a more efficacious regimen. Across Uganda, the deployment of SP containing combinations may not be a feasible long-term strategy. For Bundi Bugyo, we recommend a combination of artesunate and AQ. Our study also confirms previous findings that resistance is considerably underestimated by 14-day follow-ups. Antimalarial policy decisions should therefore be based on 28-day studies, with PCR adjustment to distinguish re-infections.
    Publisher
    Wiley-Blackwell
    URI
    http://hdl.handle.net/10144/16894
    DOI
    10.1111/j.1365-3156.2004.01217.x
    PubMed ID
    15078262
    Additional Links
    http://www.blackwell-synergy.com/loi/tmi
    Language
    en
    ISSN
    1360-2276
    ae974a485f413a2113503eed53cd6c53
    10.1111/j.1365-3156.2004.01217.x
    Scopus Count
    Collections
    Malaria

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