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Completed No phase listed Observational Accepts healthy volunteers

Aging and Marijuana: Benefits, Effects, and Risks

ClinicalTrials.gov ID: NCT05188404

Public ClinicalTrials.gov record NCT05188404. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 14, 2026, 1:38 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Cannabis Use Among Older Adults: Potential Risks and Benefits to an Aging Population

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Investigators will gather data on both the beneficial and harmful effects of edible cannabis of varying composition (THC-only vs. CBD-only vs. THC+CBD), and will examine the process by which older adult cannabis users decide what type of cannabis product is preferred.

Study identification

NCT ID
NCT05188404
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Enrollment
326 participants

Conditions and interventions

Conditions

Interventions

Behavioral

Eligibility (public fields only)

Age range
60 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 19, 2021
Primary completion
May 24, 2025
Completion
May 24, 2025
Last update posted
Jun 17, 2025

2021 – 2025

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Colorado Boulder Boulder Colorado 80309

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05188404, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 17, 2025 · Synced Sep 14, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05188404 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →