Biotechnology US clinical-stage biotech Enanta Pharmaceuticals saw its shares tumble yesterday, and fall 16% to $38.49 pre-market today, after it reported disappointing top-line results for RSVP, its Phase IIb study evaluating EDP-938, a potent N-protein inhibitor, in otherwise healthy adults with community-acquired respiratory syncytial virus (RSV). 19 May 2022