Pfizer acquires Amplyx Pharma in bid to shore up its antifungal drug pipeline April 28, 2021 Auto Bot BioPharma, Clinical Trials, Mergers and Acquisitions, Pfizer, Pharma, San Diego 0 Amplyx Pharmaceuticals brings Pfizer a clinical-stage antifungal candidate with a novel mechanism of action. The pharmaceutical giant is trying to build its antifungal product lineup, which is currently led by a drug that has lost patent protection.