Mindfulness app training for adolescents to reduce rumination

Mechanisms and Predictors of Change in App-Based Mindfulness Training for Adolescents

Not applicable Interventional Mclean Hospital · NCT04697966

This study is testing whether using a mindfulness app can help teenagers aged 13-18 feel less anxious and depressed by reducing their tendency to overthink.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment158 (estimated)
Ages13 Years to 18 Years
SexAll
SponsorMclean Hospital Academic / other
Locations1 site (Belmont, Massachusetts)
Trial IDNCT04697966 on ClinicalTrials.gov

What this trial studies

This study investigates the effectiveness of a mindfulness app, specifically Headspace, in reducing rumination and improving symptoms of depression and anxiety in adolescents aged 13-18. Participants will be randomly assigned to either the mindfulness app or an active control condition and will undergo pre- and post-intervention fMRI scans to explore the neural mechanisms involved. The research aims to identify the cognitive processes that contribute to the benefits of app-based mindfulness training and determine which adolescents may benefit most from this approach.

Who should consider this trial

Good fit: Ideal candidates for this study are adolescents aged 13-18 who are experiencing rumination and have access to a personal smartphone.

Not a fit: Patients with a history of severe mental health disorders or those who do not meet the eligibility criteria for fMRI scanning may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide adolescents with an effective tool to manage rumination and reduce symptoms of depression and anxiety.

How similar studies have performed: While mindfulness apps have gained popularity, this study addresses critical gaps in understanding their effectiveness and mechanisms, making it a novel approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Both genders, all ethnicities (see Section: Inclusion of Women and Minorities)
* Ages 13-18 years
* Written informed assent/consent from adolescent and parent/guardian
* English as a first language or English fluency
* Right-handed
* Personal iPhone or Android smartphone
* CRSQ rumination subscale score
* If on psychotropic medication, must be on stable dose for at least 2 months

Exclusion Criteria:

* History or current diagnosis of any of the following DSM-5 disorders: schizophrenia spectrum or other psychotic disorder, bipolar disorder, substance/alcohol use disorder within the past 12 months or lifetime severe substance/alcohol use disorder.
* Systemic medical or neurological illness that could impact fMRI measures of cerebral blood flow
* Failure to meet standard exclusion criteria for fMRI scanning (e.g. pregnancy, claustrophobia, cardiac or neural pacemakers, surgically implanted metal devices, cochlear implants, metal objects in the body)
* History of seizure disorder, or head trauma with loss of consciousness \> 2 mins
* Serious or unstable medical illness (e.g., cardiovascular, hepatic, renal, respiratory, endocrine, neurologic or hematologic disease)
* Participants with active suicidal ideation will be immediately referred to appropriate clinical treatment.
* Current or past treatment with mindfulness-based psychotherapy (e.g., MBCT, DBT or ACT)
* Exposure to in-person or app-based mindfulness/meditation course (at least 300 mins of past practice)

Where this trial is running

Belmont, Massachusetts

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Rumination
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.