An Open-label Study of NRP104 in Adults With Attention Deficit Hyperactivity Disorder (ADHD)
Public ClinicalTrials.gov record NCT00337285. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Long-Term, Open-Label, and Single-Arm Study of NRP104 30 mg, 50 mg, or 70 mg Per Day in Adults With Attention Deficit Hyperactivity Disorder (ADHD)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to assess the long-term safety and efficacy of three NRP104 doses of 30 mg, 50 mg, or 70 mg, administered at the same time daily, in the treatment of adults with ADHD.
Study identification
- NCT ID
- NCT00337285
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 349 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
- Jul 2006 (Type not available)
- Primary completion
- Nov 2007 (Actual)
- Completion
- Jun 2008 (Actual)
- Last update posted
- Aug 20, 2012
2006 – 2008
United States locations
- U.S. sites
- 45
- U.S. states
- 23
- U.S. cities
- 43
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Clinical Study Centers, LLC | Little Rock | Arkansas | 72205 | — |
| Valley Clinical Research, Inc. | El Centro | California | 92243 | — |
| University of California, Irvine Child Development Center | Irvine | California | 92612 | — |
| Bay Area Research Institute | Lafayette | California | 94549 | — |
| Peninsula Research Associates | Rolling Hills Estate | California | 90274 | — |
| University of California, San Francisco, Dept. of Psychiatry | San Francisco | California | 94143 | — |
| Encompass Clinical Research | Spring Valley | California | 91978 | — |
| Alpine Clinical Research Center | Boulder | Colorado | 80304 | — |
| Psychiatric Medicine Center | New London | Connecticut | 06320 | — |
| Gulfcoast Clinical Research Center | Fort Myers | Florida | 33912 | — |
| Miami Research Associates | Miami | Florida | 33173 | — |
| Clinical Neuroscience Solutions, Inc. | Orlando | Florida | 32806 | — |
| Meridien Research | Tampa | Florida | 33606 | — |
| Janus Center for Psychiatric Research LLC | West Palm Beach | Florida | 33407 | — |
| Northwest Behavioral Research Center | Roswell | Georgia | 30076 | — |
| Carman Research | Smyrna | Georgia | 30080 | — |
| Psychiatric Associates | Overland Park | Kansas | 66211 | — |
| Vince and Associates Clinical Research | Overland Park | Kansas | 66212 | — |
| Johns Hopkins at Green Spring Station | Lutherville | Maryland | 21093 | — |
| Marc Hertzman, MD | Rockville | Maryland | 20852 | — |
| Masschusetts General Hospital | Cambridge | Massachusetts | 02138 | — |
| Summit Research Network (Michigan) Inc. | Flint | Michigan | 48507 | — |
| Rochester Center for Behavioral Medicine | Rochester Hills | Michigan | 48307 | — |
| St Charles Psychiatric Associates-Midwest Research | Saint Charles | Missouri | 63301 | — |
| Center for Psychiatry and Behavioral Medicine | Las Vegas | Nevada | 89128 | — |
| CNS Research Institute (CRI) | Clementon | New Jersey | 08021 | — |
| VA New York Harbor Healthcare System | New York | New York | 10010 | — |
| Duke University ADHD Program | Durham | North Carolina | 27705 | — |
| Richard Weisler and Associates | Raleigh | North Carolina | 27609 | — |
| The Ohio State University | Columbus | Ohio | 43210 | — |
| IPS Research Company | Oklahoma City | Oklahoma | 73103 | — |
| Oregon Center for Clinical Investigations, Inc. | Portland | Oregon | 97210-2659 | — |
| CNS Research Institute, P.C. | Philadelphia | Pennsylvania | 19149 | — |
| FutureSearch Trials | Austin | Texas | 78756 | — |
| Claghorn-Lesem Research Clinic | Bellaire | Texas | 77401 | — |
| Bayou City Research | Houston | Texas | 77007 | — |
| Red Oak Psychiatry Associates, P.A. | Houston | Texas | 77090 | — |
| R/D Clinical Research, Inc. | Lake Jackson | Texas | 77566 | — |
| John M. Turnbow, MD, PA | Lubbock | Texas | 79423 | — |
| The Clinical Study Center | Burlington | Vermont | 05401 | — |
| Neuropsychiatric Associates | Woodstock | Vermont | 05091 | — |
| Psychiatric Alliance of the Blue Ridge Clinical Research | Charlottesville | Virginia | 22903 | — |
| NeuroScience, Inc. | Herndon | Virginia | 20170 | — |
| Brighton Research Group | Virginia Beach | Virginia | 23452 | — |
| Summit Research Network LLC (Seattle) | Seattle | Washington | 98104 | — |
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 NCT00337285, 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 Aug 20, 2012 · 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 NCT00337285 live on ClinicalTrials.gov.