BioWorld tracked 143 clinical trial readouts across phases I through III in April 2026, down from 209 in March, but roughly in line with 152 in February and 144 in January. By phase, April’s readouts included 47 from phase I, 59 from phase II and 37 in phase III. Among phase III programs, 15 trials reported positive results and two failed to meet primary endpoints.

“I need to be honest with you about something important. Most previous Ebola outbreaks in the Democratic Republic of Congo (DRC) were caused by a virus called Ebola Zaire, for which we have vaccines and treatments. This outbreak is caused by a different virus called Ebola Bundibugyo. There are currently no approved vaccines or treatments for it.” This was the stark message from Tedros Adhanom Ghebreyesus, director general of the World Health Organization (WHO) in an open letter to the people of the DRC, as he traveled to the country on Friday, May 29.

Bristol Myers Squibb Co. disclosed in March 2026 that the phase III portion of the seamless phase II/III Successor-2 study testing mezigdomide in combination with carfilzomib and dexamethasone (MeziKd) in patients with relapsed or refractory multiple myeloma was successful. Nearly three months later, the magnitude of success for its Pomalyst (pomalidomide) successor is clear.