Analysis of the UK Medical Cannabis Registry found that fibromyalgia patients prescribed cannabis-based medicinal products showed significant improvements in validated quality-of-life measures over at least one month of treatment.
Pain medicine clinicians, fibromyalgia patients, medical cannabis prescribers, and healthcare policy researchers.
Significant improvements in validated quality-of-life measures (p<0.050)
What the researchers found
Patients prescribed cannabis-based medicinal products for fibromyalgia showed statistically significant improvements in patient-reported outcome measures (PROMs) for health-related quality of life after at least one month of treatment.
Why it matters
Fibromyalgia has limited treatment options and significantly impairs quality of life. Real-world registry data from the UK provides additional evidence beyond clinical trials for the potential role of medical cannabis.
The numbers in context
UK Medical Cannabis Registry patients with fibromyalgia. Minimum 1 month of CBMP treatment. Statistically significant improvements in validated PROMs (p<0.050).
How the study worked
Retrospective analysis of the UK Medical Cannabis Registry. Identified patients prescribed cannabis-based medicinal products (CBMPs) for fibromyalgia with minimum one month of follow-up. Assessed changes in validated PROMs and adverse event incidence.
What this study cannot tell us
Registry data without a control group. Patients self-selected into treatment. Placebo effect cannot be ruled out. Short minimum follow-up (1 month). Heterogeneous cannabis products prescribed. May not generalize to other healthcare systems.
How to read the evidence
Real-world registry data with validated outcomes. Lack of control group and self-selection limit causal inference.
When this study was published
Published 2023.
The bigger picture
Medical cannabis registries represent a middle ground between clinical trials and anecdotal reports. The UK registry data adds to the growing body of real-world evidence suggesting fibromyalgia patients may benefit from cannabis-based treatments.
Questions still open
- Which specific cannabis-based formulations show the best outcomes for fibromyalgia? Do improvements persist beyond the initial treatment period?
Common questions
Does medical cannabis help fibromyalgia in real patients?
What is the UK Medical Cannabis Registry?
Read the original research
Assessment of clinical outcomes in patients with fibromyalgia: Analysis from the UK Medical Cannabis Registry.
Brain and behavior, 13(7), e3072
Citation
Wang, Claire; Erridge, Simon; Holvey, Carl; Coomber, Ross; Usmani, Azfer; Sajad, Mohammed; Guru, Rahul; Holden, Wendy; Rucker, James J; Platt, Michael W; Sodergren, Mikael H. (2023). Assessment of clinical outcomes in patients with fibromyalgia: Analysis from the UK Medical Cannabis Registry.. Brain and behavior, 13(7), e3072. https://doi.org/10.1002/brb3.3072
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