Status:

NOT_YET_RECRUITING

Cannabinoids for Osteoarthritis Pain Effectiveness Trial

Lead Sponsor:

University Health Network, Toronto

Collaborating Sponsors:

Canadian Institutes of Health Research (CIHR)

Conditions:

Osteoarthritis of Knee

Osteoarthritis Hip

Eligibility:

All Genders

40-80 years

Phase:

NA

Brief Summary

This study aims to investigate whether oral cannabis extracts can effectively manage pain caused by osteoarthritis (OA), a common joint condition affecting one in seven Canadians. Current OA treatment...

Detailed Description

The rationale for this study lies in the significant impact of osteoarthritis (OA) on individuals and society, coupled with the limited effectiveness and potential side effects of current treatments. ...

Eligibility Criteria

Inclusion

  • Age 40-80 years
  • Diagnosed with hip and/or knee osteoarthritis as per the American College of Rheumatology criteria
  • Experiencing moderate to severe pain interference as indicated by a PROMIS-PI SF-6a T-score ≥ 60
  • Have not initiated any new analgesics or osteoarthritis treatments in the previous 4 weeks
  • Able to self-report, understand and read English or French

Exclusion

  • Hip or knee surgery planned in the coming 4 months,
  • Injection into the affected joint(s) within the past 3 months (e.g., cortisone, plasma-rich protein, etc.),
  • Planned injection into the affected joint(s) during trial period,
  • Inflammatory arthritis (e.g., rheumatoid arthritis, Psoriatic arthritis, gout, etc.),
  • Contraindications to taking cannabis/cannabinoids,
  • Used nabilone or nabiximols in the last 30 days,
  • Used cannabis (medical or recreational) in the last 30 days (to allow sufficient washout),
  • A history of diagnosed cannabis use disorder or dependence,
  • Active substance use disorder,
  • Current DSM-V diagnosis of bipolar disorder, major depression, or psychosis,
  • An uncontrolled medical or major psychiatric disorder,
  • Currently on warfarin,
  • Known pregnancy or currently breastfeeding,
  • Men and women planning a pregnancy during the study or in the 12 weeks after stopping IPs
  • No fixed address or a plan to change addresses in the coming 4 months,
  • Known or suspected allergy to palm/coconut oil

Key Trial Info

Start Date :

December 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2026

Estimated Enrollment :

100 Patients enrolled

Trial Details

Trial ID

NCT06878417

Start Date

December 1 2025

End Date

December 31 2026

Last Update

November 18 2025

Active Locations (3)

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Page 1 of 1 (3 locations)

1

University Health Network

Toronto, Ontario, Canada, M5G 2C4

2

Women's College Hospital

Toronto, Ontario, Canada, M5S 1B2

3

McGill University Health Centre/Montreal General Hospital

Montreal, Quebec, Canada, H3G 1A4