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Completed Phase 3 Interventional Results available

Adult Attention Deficit Hyperactivity Disorder (ADHD) Study With Amphetamine Sulfate

ClinicalTrials.gov ID: NCT03659929

Public ClinicalTrials.gov record NCT03659929. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 2:21 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Multicenter, Fixed-Dose, Double-Blind, Randomized Study to Evaluate the Efficacy and Safety of AR19 (Amphetamine Sulfate) in Adult Subjects (Ages 18-55) With Attention Deficit Hyperactivity Disorder (ADHD)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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)

Study identification

NCT ID
NCT03659929
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Arbor Pharmaceuticals, Inc.
Industry
Enrollment
320 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 55 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 17, 2018
Primary completion
Apr 11, 2019
Completion
Apr 11, 2019
Last update posted
Sep 2, 2024

2018 – 2019

United States locations

U.S. sites
31
U.S. states
16
U.S. cities
29
Facility City State ZIP Site status
114: Pharmacology Research Institute Encino California 91316
133: Collaborative Neuroscience Network Garden Grove California 92845
124: Pharmacology Research Institute Newport Beach California 92660
121: CT Clinical Research Associates Cromwell Connecticut 06416
108: Meridien Research Bradenton Florida 34201
103: Gulfcoast Clinical Research Center Fort Myers Florida 33912
129: Sarkis Clinical Trials Gainesville Florida 32607
105: Meridien Research Lakeland Florida 33805
120: Meridien Research Maitland Florida 32751
130: Medical Research Group of Central Florida Orange City Florida 32763
123: APG Research, LLC Orlando Florida 32803
115: Clinical Neuroscience Solutions (CNS), Inc. Orlando Florida 32806
104: Northwest Behavioral Research Center Marietta Georgia 30060
131: Advanced Clinical Research, Inc. Meridian Idaho 86342
113: Capstone Clinical Research Libertyville Illinois 60048
134: Rochester Center for Behavioral Medicine Rochester Hills Michigan 48307
128: Clinical Neurophysiology Services Sterling Michigan 48314
107: Center for Psychiatry and Behavioral Medicine Las Vegas Nevada 89128
116: Alliance - Hassman Research Institute Berlin New Jersey 08009
127: Center for Emotional Fitness Cherry Hill New Jersey 08002
101: Princeton Medical Institute Princeton New Jersey 08540
118: Bioscience Research, LLC Mount Kisco New York 10549
119: Neurobehavioral Clinical Research, Inc. Canton Ohio 44718
106: Summit Research Network Portland Oregon 97210
126: Coastal Carolina Research Mt. Pleasant South Carolina 29464
102: Clinical Neuroscience Solutions (CNS), Inc. Memphis Tennessee 38119
132: Research Strategies of Memphis Memphis Tennessee 38119
125: Biobehavioral Research of Austin Austin Texas 78759
110: FutureSearch Trials of Dallas Dallas Texas 75231
117: Houston Clinical Trials, LLC Houston Texas 77005
109: Ericksen Research and Development Clinton Utah 84405

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03659929, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Sep 2, 2024 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03659929 live on ClinicalTrials.gov.

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