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Grandesso F., Guindo O., Messe L. W., Makarimi R., Traore A., Dama S., Laminou I. M., Rigal J., de Smet M., Oukem-Boyer O. O. M., Doumbo O. K., Djimde A., Etard Jean-François. (2018). Efficacy of artesunate-amodiaquine, dihydroartemisinin-piperaquine and artemether-lumefantrine for the treatment of uncomplicated Plasmodium falciparum malaria in Maradi, Niger. Malaria Journal, 17, 52. ISSN 1475-2875

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Lien direct chez l'éditeur doi:10.1186/s12936-018-2200-1

Titre
Efficacy of artesunate-amodiaquine, dihydroartemisinin-piperaquine and artemether-lumefantrine for the treatment of uncomplicated Plasmodium falciparum malaria in Maradi, Niger
Année de publication2018
Type de documentArticle référencé dans le Web of Science WOS:000423314000005
AuteursGrandesso F., Guindo O., Messe L. W., Makarimi R., Traore A., Dama S., Laminou I. M., Rigal J., de Smet M., Oukem-Boyer O. O. M., Doumbo O. K., Djimde A., Etard Jean-François.
SourceMalaria Journal, 2018, 17, p. 52. p. 52 ISSN 1475-2875
RésuméBackground: Malaria endemic countries need to assess efficacy of anti-malarial treatments on a regular basis. Moreover, resistance to artemisinin that is established across mainland South-East Asia represents today a major threat to global health. Monitoring the efficacy of artemisinin-based combination therapies is of paramount importance to detect as early as possible the emergence of resistance in African countries that toll the highest burden of malaria morbidity and mortality. Methods: A WHO standard protocol was used to assess efficacy of the combinations artesunate-amodiaquine (AS-AQ Winthrop (R)), dihydroartemisinin-piperaquine (DHA-PPQ, Eurartesim (R)) and artemether-lumefantrine (AM-LM, Coartem (R)) taken under supervision and respecting pharmaceutical recommendations. The study enrolled for each treatment arm 212 children aged 6-59 months living in Maradi (Niger) and suffering with uncomplicated falciparum malaria. The Kaplan-Meier 42-day PCR-adjusted cure rate was the primary outcome. A standardized parasite clearance estimator was used to assess delayed parasite clearance as surrogate maker of suspected artemisinin resistance. Results: No early treatment failures were found in any of the study treatment arms. The day-42 PCR-adjusted cure rate estimates were 99.5, 98.4 and 99.0% in the AS-AQ, DHA-PPQ and AM-LM arms, respectively. The reinfection rate (expressed also as Kaplan-Meier estimates) was higher in the AM-LM arm (32.4%) than in the AS-AQ (13.8%) and the DHA-PPQ arm (24.9%). The parasite clearance rate constant was 0.27, 0.26 and 0.25 per hour for AS-AQ, DHA-PPQ and AM-LM, respectively. Conclusions: All the three treatments evaluated largely meet WHO criteria (at least 95% efficacy). AS-AQ and AL-LM may continue to be used and DHA-PPQ may be also recommended as first-line treatment for uncomplicated falciparum malaria in Maradi. The parasite clearance rate were consistent with reference values indicating no suspected artemisinin resistance. Nevertheless, the monitoring of anti-malarial drug efficacy should continue.
Plan de classementEntomologie médicale / Parasitologie / Virologie [052] ; Santé : généralités [050]
Descr. géo.NIGER
LocalisationFonds IRD [F B010072045]
Identifiant IRDfdi:010072045
Lien permanenthttp://www.documentation.ird.fr/hor/fdi:010072045

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