> <i>A British trial called Recovery has provided important information about older drugs, finding that hydroxychloroquine did not help hospitalized covid-19 patients, while the steroid dexamethasone could be a lifesaver. But the United States has lagged behind in conducting such trials because of the fragmentation of the health-care system and the lack of financial incentive for pharmaceutical companies to continue to do research on old, cheap drugs.</i><p>Good to know that financial incentives are the primary determinant around which trials are getting funded. Puts a different spin on things when people say repurposed drugs shouldn't be used because "there isn't enough evidence they help."