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Preliminary Efficacy Trial of a Digital Intervention for Depression and Cannabis Use

Mass General Brigham logo

Mass General Brigham

Status

Not yet enrolling

Conditions

Mental Disorder
Cannabis Use Disorder
Depression - Major Depressive Disorder

Treatments

Behavioral: Amplification of Positivity - Cannabis Use (AMP-C)

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT06878859
1K23DA062034 (U.S. NIH Grant/Contract)
2025p000583

Details and patient eligibility

About

The purpose of this study is to examine the feasibility, acceptability, and preliminary efficacy of a digital intervention for co-occurring cannabis use and depression. Participants will be randomized to complete Amplification of Positivity - Cannabis Use (AMP-C) or symptom tracking. The main outcomes will include changes in depressive symptoms and cannabis use, as well as usability ratings.

Enrollment

80 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Aged ≥ 18 years
  • Resides in the United States
  • Able to read and understand English and willing to provide informed consent/comply with the study protocol
  • Moderate depressive symptom severity, as indicated by the Patient Health Questionnaire-9 (PHQ-9)
  • Problematic cannabis use, as indicated by the Cannabis Use Disorder Identification Test - Revised (CUDIT-R)
  • Current elevated anhedonia, as indicated by the PHQ-9
  • Interest in receiving treatment for their cannabis use and depression
  • Meet criteria for current MDD and CUD per the DSM-5

Exclusion criteria

  • History of a psychotic disorder or bipolar disorder type I/II
  • Active suicidal ideation or intent based on the Columbia-Suicide Severity Rating Scale
  • Current psychotherapy engagement
  • Changes in psychotropic medication within six weeks of the start of study

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

80 participants in 2 patient groups

Amplification of Positivity - Cannabis Use (AMP-C)
Experimental group
Treatment:
Behavioral: Amplification of Positivity - Cannabis Use (AMP-C)
Symptom Tracking
No Intervention group

Trial contacts and locations

1

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Central trial contact

Amanda C Collins, PhD

Data sourced from clinicaltrials.gov

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