# Developing and Strengthening Cannabis Warnings: Warning Message Testing

> **NCT07699198** · NA · COMPLETED · sponsor: **University of North Carolina, Chapel Hill** · enrollment: 1750 (actual)

## Conditions studied

- Cannabis
- Marijuana Use

## Interventions

- **BEHAVIORAL:** Constituents
- **BEHAVIORAL:** Cognitive Functioning
- **BEHAVIORAL:** Cardiovascular Health
- **BEHAVIORAL:** Motor Vehicle Crashes
- **BEHAVIORAL:** Dependence
- **BEHAVIORAL:** Psychosis and Schizophrenia
- **BEHAVIORAL:** Mental Health
- **BEHAVIORAL:** Reproductive Health
- **BEHAVIORAL:** Respiratory Health
- **BEHAVIORAL:** Edibles
- **BEHAVIORAL:** Cannabis Hyperemesis Syndrome
- **BEHAVIORAL:** Control

## Key facts

- **NCT ID:** NCT07699198
- **Lead sponsor:** University of North Carolina, Chapel Hill
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2026-07-31
- **Primary completion:** 2026-08-27
- **Final completion:** 2026-08-27
- **Target enrollment:** 1750 (ACTUAL)
- **Last updated:** 2026-10-06

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07699198

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07699198, "Developing and Strengthening Cannabis Warnings: Warning Message Testing". Retrieved via MORVS 2026-10-21 from https://api.morvs.ai/clinical/NCT07699198. Licensed CC0.

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