2018-07-12 Comments Off on KemPharm Announces Top Line Results from KP415.E01 Efficacy and Safety Trial in Children With ADHD KemPharm Announces Top Line Results from KP415.E01 Efficacy and Safety Trial in Children With ADHD CORALVILLE, Iowa, July 09, 2018 (GLOBE NEWSWIRE) — KemPharm, Inc.