Patient characteristics
Among the 330 patients randomly assigned to nifurtimox treatment for 60 days or 30 days, 318 completed part 1 of the study (CHICO) [Among the 295 patients who were followed for 4 years post-treatment, 53.2% were females and 46.8% were males. The median age was 8.5 years (interquartile range: 2–13 years). About two-thirds of the patients were aged between either >6 and ≤12 years (37.3%) or >12 and <18 years (33.6%) at randomization (