Women, black and Hispanic/Latinx participants were underrepresented in pivotal clinical trials for drugs approved from 2007 to 2017, according to a new report by the Tufts Center for the Study of Drug Development. In the pivotal clinical trials, 44.9% of patients were women. Participants who identified as black or of African descent were the most underrepresented participant group, representing 5.4% of participants in clinical trials.