Cannabis-based medicines improved quality of life for autism patients in UK registry

Patients with autism spectrum disorder treated with cannabis-based medicines showed significant improvements in anxiety, sleep, and overall quality of life over six months in a UK medical registry.

Erridge, Simon et al.·Therapeutic advances in psychopharmacology·2022·Preliminary EvidenceObservational
RTHC-03828ObservationalPreliminary Evidence2022RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Observational
Evidence
Preliminary Evidence
Sample
Not reported

What This Study Found

Among 74 ASD patients (mean age 32.7), significant improvements were seen in general quality of life (EQ-5D-5L), sleep quality (SQS), and anxiety (GAD-7) at 1 and 3 months. Quality of life and sleep improvements were sustained at 6 months. Most adverse events were mild (78.4%) or moderate (109.5%), rather than severe (55.4%).

Key Numbers

74 ASD patients, mean age 32.7 years. Significant improvements in EQ-5D-5L, SQS, and GAD-7 at 1 and 3 months. EQ-5D-5L and SQS improvements sustained at 6 months.

How They Did This

Observational case series from the UK Medical Cannabis Registry analyzing patients treated with cannabis-based medicinal products for ASD-related symptoms for at least 1 month. Outcomes measured using validated instruments (GAD-7, SQS, EQ-5D-5L) at baseline, 1, 3, and 6 months.

Why This Research Matters

Few effective treatments exist for the anxiety, sleep problems, and quality-of-life challenges that commonly accompany autism. This registry data provides early real-world evidence on cannabis-based medicines for these symptoms.

The Bigger Picture

Registry data from clinical practice provides real-world evidence that complements the limited controlled trial data on cannabis for autism, though it cannot establish causation.

What This Study Doesn't Tell Us

No control group. Subject to attrition bias. Registry data cannot determine whether improvements were from cannabis medicines, placebo effect, or other factors. Relatively small sample size.

Questions This Raises

  • ?Would these improvements hold up in a randomized controlled trial?
  • ?Which cannabis formulations and doses are optimal for ASD-related symptoms?

Trust & Context

Key Stat:
Significant improvements in quality of life and sleep sustained at 6 months
Evidence Grade:
Observational case series without controls. Promising but subject to multiple biases including placebo effect and attrition.
Study Age:
Published in 2022.
Original Title:
Clinical outcome analysis of patients with autism spectrum disorder: analysis from the UK Medical Cannabis Registry.
Published In:
Therapeutic advances in psychopharmacology, 12, 20451253221116240 (2022)
Database ID:
RTHC-03828

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

Watches what happens naturally without intervening.

What do these levels mean? →

Frequently Asked Questions

What symptoms improved?

Anxiety (measured by GAD-7), sleep quality (measured by SQS), and overall quality of life (measured by EQ-5D-5L) all showed significant improvement, with quality of life and sleep gains lasting through 6 months.

Were there side effects?

Yes, adverse events were reported, but the majority were classified as mild or moderate. Severe adverse events occurred less frequently.

Read More on RethinkTHC

Cite This Study

RTHC-03828·https://rethinkthc.com/research/RTHC-03828

APA

Erridge, Simon; Kerr-Gaffney, Jess; Holvey, Carl; Coomber, Ross; Barros, Daniela A Riano; Bhoskar, Urmila; Mwimba, Gracia; Praveen, Kavita; Symeon, Chris; Sachdeva-Mohan, Simmi; Sodergren, Mikael H; Rucker, James J. (2022). Clinical outcome analysis of patients with autism spectrum disorder: analysis from the UK Medical Cannabis Registry.. Therapeutic advances in psychopharmacology, 12, 20451253221116240. https://doi.org/10.1177/20451253221116240

MLA

Erridge, Simon, et al. "Clinical outcome analysis of patients with autism spectrum disorder: analysis from the UK Medical Cannabis Registry.." Therapeutic advances in psychopharmacology, 2022. https://doi.org/10.1177/20451253221116240

RethinkTHC

RethinkTHC Research Database. "Clinical outcome analysis of patients with autism spectrum d..." RTHC-03828. Retrieved from https://rethinkthc.com/research/erridge-2022-clinical-outcome-analysis-of

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.