CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 269 enrolled
Drug / intervention
Medical Marijuanadrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03224468
NCT03224468N/ACompleted

Effect of Medical Marijuana on Neurocognition and Escalation of Use

Massachusetts General Hospital·interventional·Posted Jul 21, 2017·Updated Nov 15, 2023

In Brief

A clinical study evaluating Medical Marijuana for Pain and 3 related conditions. Completed, enrolled 269 participants across 1 site.

Detailed Summary

This study will use a randomized controlled design to test whether patients who use medical marijuana, compared to a waitlist control group, experience a change in health outcomes (relief of symptoms, or adverse health outcomes such as new-onset symptoms of cannabis use disorders, neurocognitive impairments) or brain-based changes.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

N/ACompletedFinished
201820192020202120222023202420252026
First PostedJul 21, 2017
Enrollment StartJul 1, 2017
Primary CompletionFeb 5, 2021
Study CompletionNov 1, 2022
TodayJul 2, 2026
Enrollment to primary: 3.6 yearsPosted 8.9 years ago

Interventions

Medical Marijuanadrug

Patients in this group can choose when, where, and how much medical marijuana to use.