Hydroxychloroquine flunks Phase III trial in mild-to-moderate Covid-19 July 26, 2020 Auto Bot BioPharma, biopharma nl, SARS-CoV-2 0 The study adds to the growing body of evidence that the drug, promoted early in the pandemic by President Trump, is ineffective, despite its getting a briefly renewed lease on life earlier this month thanks to a retrospective analysis.