Vitamin D as a Therapeutic Adjunct in the Stimulant Treatment of ADHD
Public ClinicalTrials.gov record NCT03103750. 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
Vitamin D as a Therapeutic Adjunct in the Stimulant Treatment of ADHD: a Proof-of-concept Study of Stimulant-induced Dopamine Release Using [11C]-PHNO PET in Healthy Humans
Study identification
- NCT ID
- NCT03103750
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Yale University
- Other
- Enrollment
- 24 participants
Conditions and interventions
Conditions
Interventions
- Magnetic Resonance Imaging (MRI) Procedure
- PHNO Drug
- calcitriol Dietary Supplement
- Placebo oral capsule Drug
- high-resolution research tomography Procedure
- Dextro Amphetamine Drug
Procedure · Drug · Dietary Supplement
Eligibility (public fields only)
- Age range
- 18 Years to 50 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 14, 2017
- Primary completion
- Jan 16, 2023
- Completion
- Jan 16, 2023
- Last update posted
- Mar 18, 2024
2017 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Connecticut Mental Health Center | New Haven | Connecticut | 06519 | — |
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 NCT03103750, 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 18, 2024 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03103750 live on ClinicalTrials.gov.