• Emilie Alirol, David Schrumpf, Amici Heradi Josué J, Andrea Riedel, Catherine de Patoul, Michel Quere, and François Chappuis.
• Division of International and Humanitarian Medicine, University Hospitals of Geneva, Switzerland. emilie.alirol@hcuge.ch
• Clin. Infect. Dis. 2013 Jan 1; 56 (2): 195-203.

BackgroundExisting diagnostic and treatment tools for human African trypanosomiasis (HAT) are limited. The recent development of nifurtimox-eflornithine combination therapy (NECT) has brought new hopes for patients in the second stage. While NECT has been rolled out in most endemic countries, safety data are scarce and derive only from clinical trials. The World Health Organization (WHO) coordinates a pharmacovigilance program to collect additional data on NECT safety and efficacy. We report here the results of 18 months of experience of NECT use in treatment centers run by Médecins Sans Frontières in the Democratic Republic of the Congo (DRC).MethodsThis cohort study included 684 second-stage HAT patients (including 120 children) treated with NECT in Doruma and Dingila hospitals, northeastern DRC, between January 2010 and June 2011. All treatment-emergent adverse events (AEs) were recorded and graded according to the Common Terminology Criteria for Adverse Events version 3.0. Safety and efficacy data were retrieved from the WHO pharmacovigilance forms and from Epitryps, a program monitoring database.ResultsEighty-six percent of the patients experienced at least 1 AE during treatment. On average, children experienced fewer AEs than adults. Most AEs were mild (37.9%) or moderate (54.7%). Severe AEs included vomiting (n = 32), dizziness (n = 16), headache (n = 11), and convulsions (n = 11). The in-hospital case fatality rate was low (0.15%) and relapses were rare (n = 14).ConclusionsIn comparison with previous treatments, NECT was effective, safe, and well tolerated in nontrial settings in DRC, further supporting the roll-out of NECT as first-line treatment in second-stage Trypanosoma brucei gambiense HAT. Tolerance was particularly good in children.

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