Overview A Phase 2a Study to Evaluate ALS-008176 in the Virus Challenge Model Status: Completed Trial end date: 2014-07-01 Target enrollment: Participant gender: Summary This study is designed to compare the antiviral effect of ALS-008176 compared to a placebo control in the respiratory syncytial virus challenge model. Phase: Phase 2 Details Lead Sponsor: Alios Biopharma Inc.