Overview A Study of TD-9855 in Adults With Attention-Deficit/Hyperactivity Disorder (ADHD) Status: Completed Trial end date: 2013-11-01 Target enrollment: Participant gender: Summary The safety and efficacy of multiple dosages of TD-9855, administered once daily, will be evaluated in adult males with ADHD. Phase: Phase 2 Details Lead Sponsor: Theravance BiopharmaTheravance Biopharma R & D, Inc.