BioWorld tracked 262 clinical trial readouts across phases I through III in May 2026, the highest monthly total so far this year and well above April’s 143, March’s 209, February’s 152 and January’s 144. By phase, BioWorld recorded 98 phase I readouts in May, 81 in phase II and 83 in phase III. Of the phase III programs, 17 trials posted positive results, and one failed to meet its primary endpoints.