Micronutrients for Attention-Deficit Hyperactivity Disorder in Youth (MADDY) Study
MADDY
Evaluating the Efficacy of Supplementation With Micronutrients for ADHD in Youth (MADDY) Study
1 other identifier
interventional
135
2 countries
3
Brief Summary
This proposed research will use randomized control trial (RCT) methodology and compare micronutrients with placebo in 135 children with ADHD.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started Apr 2018
Typical duration for phase_1
3 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 26, 2017
CompletedFirst Posted
Study publicly available on registry
August 17, 2017
CompletedStudy Start
First participant enrolled
April 23, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 10, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
May 31, 2021
CompletedResults Posted
Study results publicly available
February 9, 2022
CompletedFebruary 8, 2023
January 1, 2023
2.2 years
July 26, 2017
December 1, 2021
January 11, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
CASI-5 Parent-rated Composite Score
Primary outcome measure, defined a priori, reflecting the often-comorbid ADHD symptoms of emotional dysregulation irritable mood, anger or aggression), are the parent-rated Child and Adolescent Symptom Inventory (CASI-5). The CASI-5 is based on the DSM-5 symptom criteria. The subscales of ADHD, Oppositional Defiant Disorder (ODD), Disruptive Mood Dysregulation Disorder (DMDD) and peer conflict that will be combined into a total composite score; range is 0-3 (never, sometimes, often, very often). Higher scores represent a worse outcome.
Baseline and week 8
Clinical Global Impression (CGI) - Number of Participants Considered a Treatment Responder (Score of 1 or 2)
Second primary measure is the blinded clinician-rated CGI-Improvement (CGI-I) is a subscale of the CGI that rates overall improvement of symptoms based on all relevant data. Item range is 1-7 (very much improved, much improved, minimally improved, no change, minimally worse, much worse, very much worse); lower score is better. A treatment responder is defined as a participant who is rated a 1 or 2 on the CGI-I. The CGI-Severity (CGI-S) subscale will also be scored at baseline and week 8, with scores compared at the two time points. Item range is 1-7 (normal, borderline ill, mildly ill, moderately ill, markedly ill, severely ill, among the most extremely ill patients); lower score is better; most participants will be a 4 or 5 at baseline.
Week 8
Secondary Outcomes (11)
Sodium, Potassium, Chloride, Carbon Dioxide, and Anion Gap in mmol/L
Baseline and Week 8
Calcium, Blood Urea Nitrogen, Creatinine, Glucose, Bilirubin Total in mg/dL
Baseline and Week 8
Albumin, Total Protein, Hemoglobin, Mean Cell Hgb in g/dL
Baseline and Week 8
AST, ALT, Alkaline in U/L
Baseline and Week 8
RBC Count in Cells/mcL
Baseline and Week 8
- +6 more secondary outcomes
Study Arms (3)
Intervention
EXPERIMENTALCapsules of broad spectrum micronutrients: a 36-ingredient blend of vitamins, minerals, amino acids, and antioxidants.
Placebo
PLACEBO COMPARATORCapsules of inactive placebo.
Open Label
EXPERIMENTALAll participants have the option to participate in an 8-week, naturalistic, open label follow-up in which the child will take the active micronutrient treatment; capsules of broad spectrum micronutrients.
Interventions
60% of participants will take 3-4 capsules of broad spectrum micronutrients three times per day for eight weeks. Following the initial 8 weeks (of the RCT), all participants will have the option to participate in an open label extension, during which time the child would take the active micronutrient treatment for 8 weeks
40% of participants will take 3-4 capsules of inactive placebo three times per day for eight weeks.
Eligibility Criteria
You may qualify if:
- Age inclusive of and between 6 and 12 years at the time of enrollment.
- Verbally willing to swallowing a maximum of 9-12 capsules/day with food, attend all study appointments and complete questionnaires.
- Meet criteria for ADHD as assessed by the clinical cut-off (6+ questions scored as 2's or 3's, "often," or "very often") on the Category A: ADHD questions from on the Child \& Adolescent Symptom Inventory-5 (CASI-5) with at least several symptoms present in more than one setting, based on the Diagnostic and Statistical Manual (DSM) 5 symptom criteria, including significant impairment in functioning socially and/or academically.
- Demonstrate at least one symptom of irritability or anger as assessed by a score of 2 or 3 on one question from Category B or Rz from the CASI-5.
- Be medication-free, or washout with medical supervision to be provided by the child's pediatrician or primary care physician, reliant on the parent/guardian to work with that physician, for at least two weeks prior to in-person study assessment. Washout will be recorded as occurring on the date reported by the parent/guardian, with a faxed copy of the progress note, visit summary or signed letter from participant's doctor.
You may not qualify if:
- Neurological disorder involving brain or other central function (e.g., history of or suspected intellectual disability, autism spectrum disorder, epilepsy, multiple sclerosis, narcolepsy) or other major psychiatric condition requiring hospitalization (e.g. significant mood disorder, active suicidal ideation, or psychosis), based on parent/guardian self-report of child's condition and responses to category M on the CASI-5 subscale.
- Any serious medical condition, including inflammatory bowel disease, history of cancer, kidney or liver disease, hyperthyroidism, diabetes Type I or II.
- Known allergy to any ingredients of the intervention.
- Any known abnormality of mineral metabolism (e.g., Wilson's disease, hemochromatosis).
- Taking any other medication with primarily central nervous system activity, including stimulants, within the last two weeks prior to in-person assessment; participants must be off these medications for a minimum of two weeks prior to the screening.
- Severe separation anxiety that would preclude separating from parent/guardian to answer study questionnaires.
- Any disability that would interfere with participant answering questions verbally.
- Non-English speaking.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Oregon Health and Science Universitylead
- Ohio State Universitycollaborator
- University of Lethbridgecollaborator
- National University of Natural Medicinecollaborator
- Foundation for Excellence in Mental Health Carecollaborator
- The Waterloo Foundationcollaborator
Study Sites (3)
The Ohio State University
Columbus, Ohio, 43210, United States
Oregon Health & Science University
Portland, Oregon, 97239, United States
University of Lethbridge
Lethbridge, Alberta, AB T1K 6T5, Canada
Related Publications (4)
Robinette LM, Hatsu IE, Adetona O, Wu CM, Johnstone JM, Bruton AM, Ast HK, Odei JB, Ziouzenkova O, Leung BMY, Arnold LE. Multinutrients Decrease Oxidative Stress in Children With ADHD: Mediation/Moderation Analysis of Randomized Controlled Trial Data. J Atten Disord. 2025 Dec;29(14):1290-1306. doi: 10.1177/10870547251355998. Epub 2025 Aug 7.
PMID: 40772654DERIVEDLeung BMY, Srikanth P, Gracious B, Hatsu IE, Tost G, Conrad V, Johnstone JM, Arnold LE. Paediatric adverse event rating scale: a measure of safety or efficacy? Novel analysis from the MADDY study. Curr Med Res Opin. 2022 Sep;38(9):1595-1602. doi: 10.1080/03007995.2022.2096333. Epub 2022 Jul 11.
PMID: 35770861DERIVEDJohnstone JM, Hatsu I, Tost G, Srikanth P, Eiterman LP, Bruton AM, Ast HK, Robinette LM, Stern MM, Millington EG, Gracious BL, Hughes AJ, Leung BMY, Arnold LE. Micronutrients for Attention-Deficit/Hyperactivity Disorder in Youths: A Placebo-Controlled Randomized Clinical Trial. J Am Acad Child Adolesc Psychiatry. 2022 May;61(5):647-661. doi: 10.1016/j.jaac.2021.07.005. Epub 2021 Jul 22.
PMID: 34303786DERIVEDJohnstone JM, Leung B, Gracious B, Perez L, Tost G, Savoy A, Hatsu I, Hughes A, Bruton A, Arnold LE. Rationale and design of an international randomized placebo-controlled trial of a 36-ingredient micronutrient supplement for children with ADHD and irritable mood: The Micronutrients for ADHD in Youth (MADDY) study. Contemp Clin Trials Commun. 2019 Oct 26;16:100478. doi: 10.1016/j.conctc.2019.100478. eCollection 2019 Dec.
PMID: 31763491DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Jeanette Johnstone, PhD
- Organization
- Oregon Health & Science University
Study Officials
- PRINCIPAL INVESTIGATOR
Jeanette Johnstone
Oregon Health and Science University
Publication Agreements
- PI is Sponsor Employee
- Yes
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Masking Details
- Placebo-controlled; randomization created by statistician, all involved in the study and assessment are blinded
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
July 26, 2017
First Posted
August 17, 2017
Study Start
April 23, 2018
Primary Completion
July 10, 2020
Study Completion
May 31, 2021
Last Updated
February 8, 2023
Results First Posted
February 9, 2022
Record last verified: 2023-01
Data Sharing
- IPD Sharing
- Will not share