Efficacy and Safety of SPD503 in Combination With Psychostimulants
Public ClinicalTrials.gov record NCT00734578. 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 Phase III, Double-Blind, Randomized, Placebo-Controlled, Multi-Center, Dose Optimization Study Evaluating the Efficacy and Safety of SPD503 in Combination With Psychostimulants in Children and Adolescents Aged 6-17 Years With a Diagnosis of 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 efficacy and safety of SPD503 in subjects with ADHD when co-administered with psychostimulants in children and adolescents aged 6-17 years with a diagnosis of ADHD with a sub-optimal, partial response to stimulants.
Study identification
- NCT ID
- NCT00734578
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 461 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 6 Years to 17 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 1, 2008
- Primary completion
- Dec 9, 2009
- Completion
- Dec 9, 2009
- Last update posted
- Jun 13, 2021
2008 – 2009
United States locations
- U.S. sites
- 61
- U.S. states
- 27
- U.S. cities
- 56
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Harmonex Neuroscience Research | Dothan | Alabama | 36303 | — |
| Melmed Center | Scottsdale | Arizona | 85254 | — |
| Clinical Study Centers, LLC | Little Rock | Arkansas | 72205 | — |
| Valley Clinical Research, Inc. | El Centro | California | 92243 | — |
| Peninsula Research Associates | Rolling Hills Estates | California | 90274 | — |
| UCSD Department of Psychiatry | San Diego | California | 8620 | — |
| University of California, San Francisco | San Francisco | California | 94143 | — |
| Elite Clinical Trials, Inc | Wildomar | California | 92595 | — |
| Florida Clinical Research Center, LLC | Bradenton | Florida | 32751 | — |
| Gulfcoast Clinical Research Center | Fort Myers | Florida | 33912 | — |
| Sarkis Clinical Trials | Gainesville | Florida | 32607 | — |
| Clinical Neuroscience Solutions, Inc. | Jacksonville | Florida | 32216 | — |
| Florida Clinical Research Center, LLC | Maitland | Florida | 32751 | — |
| Miami Children's Hospital | Miami | Florida | 33155 | — |
| Clinical Neuroscience Solutions, Inc. | Orlando | Florida | 32806 | — |
| Janus Center for Psychiatric Research | West Palm Beach | Florida | 33407 | — |
| AMR-Baber Research, Inc. | Naperville | Illinois | 60563 | — |
| American Medical Research, Inc | Oak Brook | Illinois | 60523 | — |
| Goldpoint Clinical Research, LLC | Indianapolis | Indiana | 46260 | — |
| Pedia Research | Newburgh | Indiana | 47630 | — |
| Psychiatric Associates | Overland Park | Kansas | 66211 | — |
| Vince and Associates Clinical Research | Overland Park | Kansas | 66212 | — |
| Pedia Research, LLC | Owensboro | Kentucky | 42301 | — |
| Marc Hertzman, MD, PC | Rockville | Maryland | 20852 | — |
| Delmarva Family Resources | Salisbury | Maryland | 21801 | — |
| Massachussests General Hospital | Cambridge | Massachusetts | 02138 | — |
| Neurobehaviorial Medicine | Bloomfield Hills | Michigan | 48302 | — |
| Rochester Center for Behavioral Medicine | Rochester Hills | Michigan | 48307 | — |
| Behavioral Medicine Center | Troy | Michigan | 48083 | — |
| The Center for Pharmaceutical Research | Kansas City | Missouri | 64114 | — |
| Midwest Research Group/St. Charles Psychiatric Associates | Saint Charles | Missouri | 63301 | — |
| Premier Psychiatric Research Inst. LLC | Lincoln | Nebraska | 68510 | — |
| Centers for Psychiatry and Behavioral Medicine | Las Vegas | Nevada | 89128 | — |
| Children's Specialized Hospital | Toms River | New Jersey | 08755 | — |
| Bioscience Research, LLC | Mount Kisco | New York | 10549 | — |
| Richmond Behavioral Associates | Staten Island | New York | 10312 | — |
| Duke University Medical Center ADHD Program | Durham | North Carolina | 27705 | — |
| Triangle Neuropsychiatry, PLLC | Durham | North Carolina | 27707 | — |
| University Hospitals Cleveland Medical Center | Cleveland | Ohio | 44106 | — |
| Department of Psychiatry, The Ohio State University | Columbus | Ohio | 43210 | — |
| IPS Research | Oklahoma City | Oklahoma | 73103 | — |
| Oregon Center for Clinical Investigations, Inc | Eugene | Oregon | 97401 | — |
| Oregon Center for Clinical Investigations, INC (OCCI, Inc.) | Portland | Oregon | 97210 | — |
| Summit Research Network | Portland | Oregon | 97210 | — |
| Oregon Center for Clinical Investigations, Inc | Salem | Oregon | 97301 | — |
| Western Psychiatric Institute and Clinic | Pittsburgh | Pennsylvania | 15065 | — |
| Peds Research Inc. | Barnwell | South Carolina | 29812 | — |
| FutureSearch Trials | Austin | Texas | 75756 | — |
| InSite Clinical Research | DeSoto | Texas | 75115 | — |
| Claghorn-Lesem Research Clinic, Inc. | Houston | Texas | 77008 | — |
| Red Oak Psychiatry Associates, PA | Houston | Texas | 77090 | — |
| Western Clinical Investigations | Lubbock | Texas | 79423 | — |
| Cerebral Research, LLC | San Antonio | Texas | 78247 | — |
| Wharton Research Center | Wharton | Texas | 77488 | — |
| Vermont Clinical Study Center | Burlington | Vermont | 05401 | — |
| Psychiatric Alliance of the Blue Ridge Clinical Research | Charlottesville | Virginia | 22903 | — |
| NeuroScience, Inc | Herndon | Virginia | 20170 | — |
| Dominion Clinical Research | Midlothian | Virginia | 23112 | — |
| Alliance Research Group | Richmond | Virginia | 23230 | — |
| Bayou City Research | Richmond | Virginia | 23230 | — |
| Northwest Clinical Research Center | Bellevue | Washington | 98004 | — |
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 NCT00734578, 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 Jun 13, 2021 · Synced Sep 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00734578 live on ClinicalTrials.gov.