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Comparative Efficacy of Organizational Skills Training (OST) and Mindfulness-Based Intervention (MBI)

Comparing Psychosocial Supports for Adolescents With ADHD: What Works Best for Whom and Why?

Who can join

Ages 13 to 17 · All sexes

Inclusion Criteria:

* Adolescent between the ages of 13-17 years
* Pre-existing diagnosis of ADHD in medical record
* Seeking treatment at the Seattle Children's Hospital BAM Clinic

Exclusion Criteria:

* Psychiatric comorbidity that interferes with treating ADHD as the presenting concern per the study team.
* Other concerns besides ADHD that would interfere with study participation according to the study team.

About the study

This randomized control trial comparing Organizational Skills Training (OST) and Mindfulness-Based Intervention (MBI) among adolescents with a pre-existing ADHD diagnosis presenting to the Duke ADHD Program.

Both treatments are eight 90 minute sessions.

The research component will involve a pre-treatment assessment and post-treatment assessment. Both assessments will involve adolescents and one caregiver to complete questionnaires over REDCap. Rating scales will include ADHD symptom severity (Conners 3: self and parent report), functional impairment (IRS: self and parent report), executive functioning (BRIEF-2: parent report), emotion dysregulation (DERS: self and parent report), trait mindfulness (FFMQ: self report), organizational skills (BRIEF-2: parent report), treatment satisfaction (self report and parent report) and credibility (self report and parent report). Post-treatment assessments for feasibility will include attendance (measured over the course of treatment) and homework completion rates on a scale of 1 to 5 in which 5 indicates higher homework completion. We will also assess acceptability via individual items on a Likert scale (self report): overall satisfaction, how much was learned about ADHD, usefulness of information learned, content relevance to individual experience, comprehension of strategies, confidence about using strategies, likelihood of using strategies, helpfulness to share with the group, benefits from hearing from other group members, willingness to recommend the same treatment to others, and whether or not treatment was beneficial.

What is being tested

• Organizational Skills Training (behavioral)
• Mindfulness-Based Intervention (behavioral)

Sponsor: Seattle Children's Hospital · Participants: 36 · Started: Oct 1, 2025

Contact the study team

• Margaret H Sibley, Ph.D. · Phone: (206) 884-1424

Official record on ClinicalTrials.gov — NCT07281092

Locations in the U.S.

Conditions

• Attention Deficit Hyperactivity Disorder

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.