Last reviewed · How we verify
NCT06576076: CLEAR
Cannabis, Linked Emotions, and Adolescent Risk Study
NA trial testing Contingency management for cannabis abstinence in Cannabis Use in 200 participants. Currently enrolling.
30 April 2029
Quick facts
| Lead sponsor | Massachusetts General Hospital |
|---|---|
| Phase | NA |
| Status | Recruiting now |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | single |
| Primary purpose | basic science |
| Enrollment | 200 |
| Start date | 18 February 2025 |
| Primary completion | 30 April 2029 |
| Estimated completion | 30 April 2029 |
| Sites | 1 location across United States |
Drugs / interventions tested
- Contingency management for cannabis abstinence
Conditions studied
- Cannabis Use — all drugs for Cannabis Use →
- Depression — all drugs for Depression →
- Suicidal Ideation — all drugs for Suicidal Ideation →
- Adolescent Behavior — all drugs for Adolescent Behavior →
Sponsor
Massachusetts General Hospital
Who can join
Adults 12 to 18, any sex, with Cannabis Use or Depression. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The goal of this study is to disentangle relationships between acute cannabis use and withdrawal on proximal depression and suicide risk and recovery in adolescents ages 12-18 years by incorporating time-varying patterns of substance use, mood, and SI. This project aims to guide the development of scalable, individualized, accessible, and affordable interventions aimed to reduce depression and suicide risk among adolescents.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
Characterizing proximal risk for depressive symptoms and suicidal ideation with acute cannabis use and withdrawal among adolescents using ecological momentary assessment: Study protocol.
Feibus I, Mahiques MB, Costello M, Potter K, et al · · 2025 · PMID 41411314 · DOI 10.1371/journal.pone.0338790
Verify or expand the search:
- PubMed search for NCT06576076
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Other Massachusetts General Hospital trials
Trials by the same sponsor.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT06576076 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Massachusetts General Hospital
- Last refreshed: 3 March 2026
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT06576076.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing