Overview Adult Attention Deficit Hyperactivity Disorder (ADHD) Study With Amphetamine Sulfate Status: Completed Trial end date: 2019-04-18 Target enrollment: Participant gender: Summary The purpose of the AR19.004 study is to assess the efficacy of AR19 compared to placebo using the Adult ADHD Investigator Symptom Rating Scale (AISRS) Phase: Phase 3 Details Lead Sponsor: Arbor Pharmaceuticals, Inc.Treatments: Amphetamine