# Aging and Marijuana: Benefits, Effects, and Risks

> **NCT05188404** · — · COMPLETED · sponsor: **University of Colorado, Boulder** · enrollment: 326 (actual)

## Conditions studied

- Cannabis Use

## Interventions

- **BEHAVIORAL:** Choice of cannabis product

## Key facts

- **NCT ID:** NCT05188404
- **Lead sponsor:** University of Colorado, Boulder
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-09-20
- **Primary completion:** 2025-05-25
- **Final completion:** 2025-05-25
- **Target enrollment:** 326 (ACTUAL)
- **Last updated:** 2025-06-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05188404

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05188404, "Aging and Marijuana: Benefits, Effects, and Risks". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05188404. Licensed CC0.

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