Pivotal Study of Fexinidazole for Human African Trypanosomiasis in Stage 2

Inclusion Criteria: * 15 years old or more * Male or female * Able to ingest at least one complete meal per day (or at least one Plumpy'Nut® sachet) * Karnofsky index\>50 (see Appendix 2 - Karnofsky Scale; p81) * Parasitologically confirmed late-stage African trypanosomiasis infection with T. b. gambiense in the blood and/or lymph and/or CSF, attested by mobile team report (with detail of exams performed and values of WBC measured in CSF) or done at the study centre. If parasitologically negative in CSF, WBC \>20/µl detected in the CSF to document stage 2 infection. * Having a permanent address and able to comply with follow-up visit schedule * Signed Informed Consent Form Exclusion Criteria: * Severely malnourished patients, defined as having a BMI \< 16. * Patients unable to take oral medication.\* * Pregnancy or lactation * Active clinically relevant medical conditions that, in the Investigator's opinion, may jeopardize subject safety or interfere with participation in the study, including but not limited to significant liver or cardiovascular disease, active documented or suspected infection, CNS trauma or seizure disorders, coma or altered consciousness. * Severely deteriorated general condition, such as cardiovascular shock, respiratory distress, or terminal illness. * Any condition which compromises ability to communicate with the Investigator as required for the completion of this study. * Any contraindication to imidazole products (known hypersensitivity to imidaz…