RecruitingNot ApplicableNCT07614867

Evaluating Effects of Group-based CBT for Emotion Regulation in Adult ADHD

Group-based Emotion Regulation Skills Training for Adults With ADHD: GEARS, a Quantitative and Qualitative Investigation of Treatment Effects

Sponsor

Karolinska Institutet

Enrollment

150 participants

Start Date

May 22, 2026

Study Type

INTERVENTIONAL

Conditions

Attention Deficit Disorder With or Without Hyperactivity (ADHD)

Summary

This study will evaluate if a specific treatment for emotion regulation in ADHD, GEARS, effectively reduces symptoms of emotional dysregulation. GEARS will be evaluated through a randomized controlled trial (RCT) and a qualitative interview study. This project aims to investigate two main questions: 1. Is GEARS an effective treatment for emotion regulation difficulties in adult ADHD patients? 2. How do participants perceive the impact of completing the GEARS treatment? Study 1 investigates research question 1 through an RCT comparing GEARS to a passive control group. Data are collected using validated measures before and after treatment/waiting period, as well as at six and 12 months follow ups. Sample size: 150 participants, ensuring sufficient statistical power to detect significant between-group differences, even with some attrition. Study 2 examines the patients' perspectives on the treatment by interviewing 15-20 participants about their experience with GEARS. The interviews focus on GEARS' perceived impact. Interviews will be recorded, transcribed, and analyzed using thematic analysis to identify key recurring themes.

Eligibility

Min Age: 18 Years

Inclusion Criteria3

being diagnosed with ADHD according to DSM criteria,
age 18 years or above, and
having identified problems with emotion regulation difficulties.

Exclusion Criteria7

diagnosis of intellectual disability,
diagnosis of autism
substance abuse,
severe mental illness (e.g., severe depression, anorexia) or comorbidity requiring clinical priority,
difficulties allocating time to participate due to social, academic or occupational circumstances hindering engagement in treatment,
other ongoing psychotherapy, and
difficulties accepting the group setting.

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Interventions

OTHERGroup Therapy for Improving Emotional Acceptance and Regulatory Skills in Adults with ADHD (GEARS)

The GEARS protocol is the first CBT based group therapy protocol describing an intervention designed specifically to treat emotion regulation in ADHD.

Locations(1)

Norra Stockholms Psykiatri

Stockholm, Sweden

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NCT07614867