Study of Droxidopa Treatment in Adults With Attention Deficit Hyperactivity Disorder With Co-administration of Carbidopa
Public ClinicalTrials.gov record NCT00983814. 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 Two-Period Trial (Open-Label and Randomized Placebo-Controlled Substitution) of Droxidopa Treatment in Adults With ADHD With Co-administration of Carbidopa
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Attention Deficit Hyperactivity Disorder (ADHD) is a neurobiological disorder characterized by lifelong issues of inattention, distraction, organizational difficulties, forgetfulness, restlessness, talking out of turn, difficulty waiting and interrupting others. ADHD is the second most common neuropsychiatric disorder affecting 4.4% of the United States (US) adult population, or between 8-9 million individuals. Droxidopa (L-dihydroxyphenylserine (L-DOPS)) is a synthetic catecholamine which is converted to norepinephrine (NE) via decarboxylation, resulting in increased levels of NE centrally in the central nervous system (CNS) and peripherally. Co-treatment with carboxylase inhibitors, such as carbidopa, given with droxidopa, can increase the CNS levels of NE with greater crossing of the blood-brain barrier. Droxidopa has received orphan drug approval by the Food and Drug Administration (FDA) for the treatment of symptomatic neurogenic orthostatic hypotension in individuals with primary autonomic failure. The half-life of droxidopa is approximately 2-3 hours, resulting in administration three times daily.
Study identification
- NCT ID
- NCT00983814
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 20 participants
Conditions and interventions
Conditions
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
- Oct 2009 (Type not available)
- Primary completion
- May 2011 (Actual)
- Completion
- Jul 2011 (Actual)
- Last update posted
- Apr 18, 2024
2009 – 2011
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| VA New York Harbor Healthcare System/New York University Langone Medical Center | New York | New York | 10010 | — |
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 NCT00983814, 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 Apr 18, 2024 · Synced Oct 17, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00983814 live on ClinicalTrials.gov.