Study Evaluating the Safety and Efficacy of CLONICEL® to Treat Children and Adolescents With Attention Deficit Hyperactivity Disorder (ADHD)
Public ClinicalTrials.gov record NCT00556959. 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, Dose-Response Evaluation of the Efficacy and Safety of CLONICEL® (Clonidine HCl Sustained Release) vs. Placebo in the Treatment of Children and Adolescents With Attention Deficit Hyperactivity Disorder (ADHD)
Study identification
- NCT ID
- NCT00556959
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Addrenex Pharmaceuticals, Inc.
- Industry
- Enrollment
- 236 participants
Conditions and interventions
Interventions
- high dose clonidine HCl sustained release Drug
- low dose clonidine HCl sustained release Drug
- placebo Drug
Drug
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 30, 2007
- Primary completion
- Jul 31, 2008
- Completion
- Jul 31, 2008
- Last update posted
- Mar 23, 2010
2007 – 2008
United States locations
- U.S. sites
- 13
- U.S. states
- 6
- U.S. cities
- 12
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Gainesville | Florida | 32607 | — |
| Not listed | Jacksonville | Florida | 32216 | — |
| Not listed | Miami | Florida | 33161 | — |
| Not listed | Orlando | Florida | 32806 | — |
| Not listed | Rochester Hills | Michigan | 48307 | — |
| Not listed | Clementon | New Jersey | 08021 | — |
| Not listed | Voorhees Township | New Jersey | 08043 | — |
| Not listed | Chapel Hill | North Carolina | 27514 | — |
| Not listed | Charlotte | North Carolina | 28209 | — |
| Not listed | Oklahoma City | Oklahoma | 73103 | — |
| Not listed | Oklahoma City | Oklahoma | 73116 | — |
| Not listed | Houston | Texas | 77007 | — |
| Not listed | Lake Jackson | Texas | 77566 | — |
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 NCT00556959, 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 Mar 23, 2010 · Synced Jul 22, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00556959 live on ClinicalTrials.gov.