当前位置： SCI文献检索 > Scientific Reports期刊下所有文献 > In-Vivo Efficacy of Chloroquine to Clear Asymptomatic Infections in Mozambican Adults: A Randomized, Placebo-controlled Trial with Implications for Elimination Strategies.

In-Vivo Efficacy of Chloroquine to Clear Asymptomatic Infections in Mozambican Adults: A Randomized, Placebo-controlled Trial with Implications for Elimination Strategies.

Abstract：

:Recent reports regarding the re-emergence of parasite sensitivity to chloroquine call for a new consideration of this drug as an interesting complementary tool in malaria elimination efforts, given its good safety profile and long half-life. A randomized (2:1), single-blind, placebo-controlled trial was conducted in Manhiça, Mozambique, to assess the in-vivo efficacy of chloroquine to clear plasmodium falciparum (Pf) asymptomatic infections. Primary study endpoint was the rate of adequate and parasitological response (ACPR) to therapy on day 28 (PCR-corrected). Day 0 isolates were analyzed to assess the presence of the PfCRT-76T CQ resistance marker. A total of 52 and 27 male adults were included in the CQ and Placebo group respectively. PCR-corrected ACPR was significantly higher in the CQ arm 89.4% (95%CI 80-98%) compared to the placebo (p < 0.001). CQ cleared 49/50 infections within the first 72 h while placebo cleared 12/26 (LRT p < 0.001). The PfCRT-76T mutation was present only in one out of 108 (0.9%) samples at baseline, well below the 84% prevalence found in 1999 in the same area. This study presents preliminary evidence of a return of chloroquine sensitivity in Mozambican Pf isolates, and calls for its further evaluation in community-based malaria elimination efforts, in combination with other effective anti-malarials. TRIAL REGISTRATION:www.clinicalTrials.gov NCT02698748.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Galatas B,Nhamussua L,Candrinho B,Mabote L,Cisteró P,Gupta H,Rabinovich R,Menéndez C,Macete E,Saute F,Mayor A,Alonso P,Bassat Q,Aide P

doi

10.1038/s41598-017-01365-4

subject

Has Abstract

pub_date

2017-05-02 00:00:00

pages

1356

issue

1

issn

2045-2322

pii

10.1038/s41598-017-01365-4

journal_volume

7

pub_type

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