Status:

COMPLETED

Evaluation of Medical Cannabis and Prescription Opioid Taper Support for Reduction of Pain and Opioid Dose in Patients With Chronic Non-Cancer Pain

Lead Sponsor:

Massachusetts General Hospital

Collaborating Sponsors:

Cambridge Health Alliance

MaineHealth

Conditions:

Opioid Use

Pain

Eligibility:

All Genders

18-75 years

Phase:

NA

Brief Summary

This study will use a randomized controlled design to test whether medical marijuana use by adults on high-dose chronic opioid therapy (COT) for chronic non-cancer pain is associated with reduced opio...

Detailed Description

This trial is a randomized, six-month study of medical marijuana (MM) on opioid use that will: (1) evaluate whether adults with chronic, non-cancer pain on COT assigned to MM+POTS, compared with those...

Eligibility Criteria

Inclusion

  • Men and women aged 18-75, inclusive.
  • Endorsing \> 6 months of chronic, non-cancer pain.
  • On stable prescription opioid doses of 25 MME or greater for \>90 days, verified by the Prescription Monitoring Program.
  • Either no prior use or current light cannabis use (weekly or less in the past 12 months).
  • Plans to use medical cannabis for pain to control pain and/or reduce opioid dose.
  • Competent and willing to provide written informed consent in English.
  • Potential participants of childbearing potential must not be pregnant at enrollment. They will be asked to self-report pregnancy status and the start date of their most recent menstrual period and agree to use effective contraception: abstinence; hormonal contraception; intra-uterine device, sterilization; or double barrier contraception, during the study.

Exclusion

  • Current cannabis use (including inhaled or ingested CBD products) of greater than weekly on average in the past 12 months, assessed via self-report (no more than 10 times in the past 90 days).
  • Current cannabis use disorder; current moderate to severe substance use disorder for any substance by structured interview, EXCEPT nicotine and opioids (OUD).
  • Current uncontrolled major medical illness, such as cancer, symptomatic hypothyroidism/hyperthyroidism or severe respiratory compromise.
  • Use of non-prescribed opioids, by self-report.
  • Dose change or initiation of medications with significant analgesic effects (e.g., tricyclic antidepressants, SSRIs, gabapentin, NSAIDs) in the past 4 weeks.
  • Concomitant medications will be discussed at each study visit, and any medications that may interact with cannabinoids (e.g., warfarin) will be discussed with a study clinician prior to enrollment or continued participation.
  • Actively suicidal and/or suicide attempt or psychiatric hospitalization in past year, or current suicidal ideation with specific plan or intent.
  • History of intellectual disability (e.g., Down's syndrome) or other severe developmental disorder or IQ \< 70.
  • Current diagnosis of delirium, dementia, amnestic, or other cognitive disorder; current diagnosis of bipolar II disorder; lifetime diagnosis of bipolar I disorder, schizophrenia spectrum, or other psychotic disorder.
  • Surgery within the past month or planned during the next 6 months.
  • Pregnant or trying to get pregnant or breastfeeding.
  • In the opinion of the investigator or study physicians, not able to complete study procedures or safely participate in this study.

Key Trial Info

Start Date :

August 23 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 31 2025

Estimated Enrollment :

87 Patients enrolled

Trial Details

Trial ID

NCT04827992

Start Date

August 23 2021

End Date

October 31 2025

Last Update

November 5 2025

Active Locations (3)

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Page 1 of 1 (3 locations)

1

Maine Medical Center

Portland, Maine, United States, 04102

2

Massachusetts General Hospital

Boston, Massachusetts, United States, 02114-2523

3

Cambridge Health Alliance

Cambridge, Massachusetts, United States, 02139