ClinicalTrials.gov record

Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Micronutrients for Attention-Deficit Hyperactivity Disorder in Youth (MADDY) Study

ClinicalTrials.gov ID: NCT03252522

Public ClinicalTrials.gov record NCT03252522. 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.

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ClinicalTrials.gov public records Last synced May 17, 2026, 7:58 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Evaluating the Efficacy of Supplementation With Micronutrients for ADHD in Youth (MADDY) Study

Study identification

NCT ID: NCT03252522
Recruitment status: Completed
Study type: Interventional
Phase: Phase 1, Phase 2
Lead sponsor: Oregon Health and Science University; Other
Enrollment: 135 participants

Conditions and interventions

Conditions

Attention Deficit Hyperactivity Disorder

Interventions

Broad Spectrum Micronutrients; a 36-ingredient blend of vitamins, minerals, amino acids, and antioxidants Combination Product
Placebo Dietary Supplement

Combination Product · Dietary Supplement

Eligibility (public fields only)

Age range: 6 Years to 12 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: Apr 22, 2018
Primary completion: Jul 9, 2020
Completion: May 30, 2021
Last update posted: Feb 7, 2023

2018 – 2021

United States locations

U.S. sites: 2
U.S. states: 2
U.S. cities: 2

Facility	City	State	ZIP	Site status
The Ohio State University	Columbus	Ohio	43210	—
Oregon Health & Science University	Portland	Oregon	97239	—

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT03252522, 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 Feb 7, 2023 · Synced May 17, 2026

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03252522 live on ClinicalTrials.gov.

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