Determination of an Optimal Dosing Regimen for Fexinidazole, a Novel Oral Drug for the Treatment of Human African Trypanosomiasis: First-in-Human Studies Antoine TarralSeverine BlessonOlaf Valverde Mordt • Els TorreeleDaniela SassellaMichael A. BrayLionel Hovsepian • Eric EveneVirginie GualanoMathie