Assessment of clinical outcomes in patients with post-traumatic stress disorder: analysis from the UK Medical Cannabis Registry

  • Manaswini Pillai
  • , Simon Erridge
  • , Lara Bapir
  • , Martha Nicholas
  • , Nishaanth Dalavaye
  • , Carl Holvey
  • , Ross Coomber
  • , Daniela Barros
  • , Urmila Bhoskar
  • , Gracia Mwimba
  • , Kavita Praveen
  • , Chris Symeon
  • , Simmi Sachdeva-Mohan
  • , James J. Rucker
  • , Mikael H. Sodergren*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Background: The current paucity of clinical evidence limits the use of cannabis-based medicinal products (CBMPs) in post-traumatic stress disorder (PTSD). This study investigates health-related quality of life (HRQoL) changes and adverse events in patients prescribed CBMPs for PTSD. Methods: A case-series of patients from the UK Medical Cannabis Registry was analyzed. HRQoL was assessed at 1-, 3-, and 6-months using validated patient reported outcome measures (PROMs). Adverse events were analyzed according to the Common Terminology Criteria for Adverse Events version 4.0. Statistical significance was defined as p < 0.050. Results: Of 162 included patients, 88.89% (n = 144) were current/previous cannabis users. Median daily CBMP dosages were 5.00 (IQR: 0.00–70.00) mg of cannabidiol and 145.00 (IQR: 100.00–200.00) mg of Δ9-tetrahydrocannabinol. Significant improvements were observed in PTSD symptoms, sleep, and anxiety across all follow-up periods (p < 0.050). There were 220 (135.8%) adverse events reported by 33 patients (20.37%), with the majority graded mild or moderate in severity (n = 190, 117.28%). Insomnia and fatigue had the greatest incidence (n = 20, 12.35%). Conclusions: Associated improvements in HRQoL were observed in patients who initiated CBMP therapy. Adverse events analysis suggests acceptability and safety up to 6 months. This study may inform randomized placebo-controlled trials, required to confirm causality and determine optimal dosing.

Original languageEnglish
Pages (from-to)1009-1018
Number of pages10
JournalExpert Review of Neurotherapeutics
Volume22
Issue number11-12
DOIs
Publication statusPublished - 12 Dec 2022

Keywords

  • Cannabidiol
  • medical cannabis
  • post-traumatic stress disorder
  • PTSD
  • tetrahydrocannabinol

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