Status:

COMPLETED

Cannabinoids vs. Placebo on Persistent Post-surgical Pain Following TKA: A Pilot RCT

Lead Sponsor:

McMaster University

Collaborating Sponsors:

St. Joseph's Healthcare Hamilton

Hamilton Health Sciences Corporation

Conditions:

Knee Osteoarthritis

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

Each year, approximately 75,000 Canadians undergo knee replacement surgery, and up to 25% develop persistent post-surgical pain. Persistent post-surgical pain is associated with depression, anxiety, u...

Detailed Description

Approximately 25% of patients develop persistent post-surgical pain (PPSP) after undergoing total knee arthroplasty (TKA), and higher pre-surgery and acute post-operative pain are associated with this...

Eligibility Criteria

Inclusion

  • Patients undergoing TKA aged 18 or older
  • Cognitive ability and English-language skills required to complete outcome measures
  • Provision of informed consent
  • Successful completion of the run-in period

Exclusion

  • Severe cardio-respiratory disease (For operationalizing: ASA 4/NYHA 4)
  • Substance use disorder based on DSM-V criteria
  • Allergy or intolerance to cannabis, cannabis derivatives, or other ingredients of the study drug
  • Patients who are pregnant, planning to be pregnant, or breastfeeding
  • Revision TKA
  • Bilateral TKA
  • Presenting for their pre-surgical consultation less than 4 weeks before surgery
  • Patients with a chronic pain condition affecting the knee (other than osteoarthritis) (e.g.: patients with knee pain due to fibromyalgia or chronic pain syndrome will be excluded)
  • Unwilling or unable to follow the study protocol

Key Trial Info

Start Date :

May 3 2023

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 25 2025

Estimated Enrollment :

39 Patients enrolled

Trial Details

Trial ID

NCT03825965

Start Date

May 3 2023

End Date

February 25 2025

Last Update

March 19 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

St. Joseph's Healthcare Hamilton

Hamilton, Ontario, Canada, L8N 4A6

2

St. Michael's Hospital

Toronto, Ontario, Canada, M5B 1W8