In vivo efficacy of chloroquine plus primaquine combination therapy against uncomplicated Plasmodium vivax malaria in Limu Kossa District, Jimma Zone, Southwest Ethiopia

Autor: Wakgari Asfaw, Temesgen Bekele, Geleta Geshere, Eba Alemayehu Simma, Chernet Tuge Deressa, Tsige Ketema
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Malaria Journal, Vol 23, Iss 1, Pp 1-12 (2024)
Druh dokumentu: article
ISSN: 1475-2875
DOI: 10.1186/s12936-024-05124-5
Popis: Abstract Background Plasmodium vivax is the second most common malaria parasite in Ethiopia. It has been treated with chloroquine (CQ) for the past seven decades. However, the emergence of CQ-resistant strains in the nation urged the Federal Ministry of Health of Ethiopia to review its national malaria treatment guideline in 2018. In the revised guideline, the first-line treatment for uncomplicated P. vivax infection is a combination of CQ and primaquine (PQ). Thus, the present study was designed to evaluate the in vivo efficacy of CQ and PQ combination therapy against clinical P. vivax mono-infection in one of the malaria-endemic areas of Ethiopia. Methods An open-label prospective clinical trial was conducted in the Limmu Kossa District, Jimma zone, Southwest Ethiopia, from September 2023 to March 2024. A total of 108 patients were recruited for the study. All participants received treatment with CQ at a dosage of 25 mg/kg over three days, followed by PQ at 0.25 mg/kg for 14 consecutive days. Patients were monitored for 42 days for any signs of treatment failure and malaria clinical symptoms, as per the World Health Organization (WHO) guidelines for anti-malarial drug evaluation. Additionally, haemoglobin (Hb) levels, body temperature, any adverse events, and signs of haemolysis were assessed. Data was analysed using R-software (version 4.0.0) and a significant level was considered at p
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