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dc.contributor.authorAung Pyae Phyoen_US
dc.contributor.authorKhin Maung Lwinen_US
dc.contributor.authorRic N. Priceen_US
dc.contributor.authorElizabeth A. Ashleyen_US
dc.contributor.authorBruce Russellen_US
dc.contributor.authorKanlaya Sriprawaten_US
dc.contributor.authorNiklas Lindegardhen_US
dc.contributor.authorPratap Singhasivanonen_US
dc.contributor.authorNicholas J. Whiteen_US
dc.contributor.authorFrançois Nostenen_US
dc.contributor.otherShoklo Malaria Research Uniten_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherMenzies School of Health Researchen_US
dc.contributor.otherNuffield Department of Clinical Medicineen_US
dc.contributor.otherAgency for Science, Technology and Research, Singaporeen_US
dc.date.accessioned2018-05-03T08:22:47Z-
dc.date.available2018-05-03T08:22:47Z-
dc.date.issued2011-11-15en_US
dc.identifier.citationClinical Infectious Diseases. Vol.53, No.10 (2011), 977-984en_US
dc.identifier.issn15376591en_US
dc.identifier.issn10584838en_US
dc.identifier.other2-s2.0-80054767617en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=80054767617&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/12219-
dc.description.abstractBackground. Chloroquine (CQ) remains the treatment of choice for Plasmodium vivax malaria. Initially confined to parts of Indonesia and Papua, resistance of P. vivax to CQ seems to be spreading, and alternative treatments are required. Methods. We conducted a randomized controlled study to compare the efficacy and the tolerability of CQ and dihydroartemisinin-piperaquine (DP) in 500 adults and children with acute vivax malaria on the Northwestern border of Thailand. Results. Both drugs were well tolerated. Fever and parasite clearance times were slower in the CQ than in the DP group (P < . 001). By day 28, recurrent infections had emerged in 18 of 207 CQ recipients compared with 5 of 230 treated with DP (relative risk, 4.0; 95% confidence interval [CI], 1.51-10.58; P =. 0046). The cumulative risk of recurrence with P. vivax at 9 weeks was 79.1% (95% CI, 73.5%-84.8%) in patients treated with CQ compared with 54.9% (95% CI, 48.2%-61.6%) in those receiving DP (hazard ratio [HR] , 2.27; 95% CI, 1.8-2.9; P < . 001). Children < 5 years old were at greater risk of recurrent P. vivax infection (74.4%; 95% CI, 63.2%-85.6%) than older patients (55.3% [95% CI, 50.2%-60.4%]; HR, 1.58 [95% CI, 1.1-2.2] ; P =. 005). In vitro susceptibility testing showed that 13% of the tested isolates had a CQ median inhibitory concentration > 100 nmol/L, suggesting reduced susceptibility. Conclusions. The efficacy of CQ in the treatment of P. vivax infections is declining on the Thai-Myanmar border. DP is an effective alternative treatment. © 2011 The Author Published by Oxford University Press on behalf of the Infectious Diseases Society of America. All rights reserved.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=80054767617&origin=inwarden_US
dc.subjectMedicineen_US
dc.titleDihydroartemisinin-piperaquine versus chloroquine in the treatment of plasmodium vivax malaria in Thailand: A randomized controlled trialen_US
dc.typeReviewen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.1093/cid/cir631en_US
Appears in Collections:Scopus 2011-2015

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