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Completed Phase 2 Interventional Results available

The Safety and Efficacy of OPC-64005 in the Treatment of Adult Attention-deficit/Hyperactivity Disorder

ClinicalTrials.gov ID: NCT03324581

Public ClinicalTrials.gov record NCT03324581. 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 Oct 22, 2026, 3:38 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 Phase 2, Multicenter, Randomized, Double-blind, Active- and Placebo-controlled Trial of the Safety and Efficacy of OPC-64005 in the Treatment of Adult Attention-deficit/Hyperactivity Disorder

Brief summary

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

A trial to assess the safety and efficacy of OPC-64005 in the treatment of adult attention-deficit/hyperactivity disorder.

Study identification

NCT ID
NCT03324581
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
239 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
Nov 9, 2017 (Actual)
Primary completion
Oct 31, 2018 (Actual)
Completion
Oct 31, 2018 (Actual)
Last update posted
Oct 29, 2021

2017 – 2018

United States locations

U.S. sites
26
U.S. states
14
U.S. cities
23
Facility City State ZIP Site status
Southern California Research, LLC Beverly Hills California 90210 —
Collaborative Neuroscience Network, LLC Garden Grove California 92845 —
Artemis Institute for Clinical Research San Diego California 92103 —
Artemis Institute for Clinical Research San Marcos California 92078 —
MCB Clinical Research Centers, LLC Colorado Springs Colorado 80910 —
Meridien Research Bradenton Florida 34201 —
Clinical Neuroscience Solutions, Inc Jacksonville Florida 32256 —
Innovative Clinical Research, Inc. Lauderhill Florida 33319 —
Behavioral Clinical Research, Inc. North Miami Florida 33161 —
Clinical Neuroscience Solutions, Inc. Orlando Florida 32801 —
Clinical Neuroscience Solutions Inc. Orlando Florida 32806 —
iResearch Atlanta Decatur Georgia 30030 —
Northwest Behavioral Research Center Marietta Georgia 30060 —
Psychiatric Associates Overland Park Kansas 66223 —
Premier Psychiatric Research Institute, LLC Lincoln Nebraska 68526 —
Center for Psychiatry and Behavioral Medicine Inc. Las Vegas Nevada 89128 —
Eastside Comprehensive Medical Center, LLC. New York New York 10128 —
The Medical Research Network, LLC New York New York 10128 —
IPS Research Company Oklahoma City Oklahoma 73103 —
Paradigm Research Professionals Oklahoma City Oklahoma 73118 —
Oregon Center for Clinical Investigators, Inc. Portland Oregon 97214 —
Oregon Center for Clinical Investigators, Inc. Salem Oregon 97301 —
BTC of Lincoln Lincoln Rhode Island 02865 —
Clinical Trials of Texas, Inc. San Antonio Texas 78229 —
Aspen Clinical Research Orem Utah 84058 —
Neuropsychiatric Associates Woodstock Vermont 05091 —

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 NCT03324581, 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 Oct 29, 2021 · Synced Oct 22, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03324581 live on ClinicalTrials.gov.

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