The endocannabinoid system shows promise for treating digestive disorders including IBD, IBS, and motility problems
A review of cannabis and the GI tract found the endocannabinoid system is a promising therapeutic target for inflammatory bowel disease, irritable bowel syndrome, and motility disorders, though clinical efficacy remains unclear.
Quick Facts
What This Study Found
The endocannabinoid system performs protective activities throughout the gastrointestinal tract and modulates gut inflammation, motility, secretion, and pain perception. THC exerts biological functions on the GI tract through CB1 and CB2 receptors.
The review found promising evidence for cannabinoid therapy in several GI conditions: inflammatory bowel disease (especially Crohn's disease), irritable bowel syndrome, and secretion/motility-related disorders. Cannabis has also been used for GI symptoms including nausea and vomiting, anorexia, weight loss, and chronic abdominal pain.
However, the review also covered cannabinoid hyperemesis syndrome and noted that while the current literature supports use for digestive disorders, the clinical efficacy remains unclear pending more rigorous trials.
Key Numbers
Conditions reviewed: IBD (especially Crohn's), IBS, motility disorders, nausea/vomiting, CHS, anorexia, chronic abdominal pain. Receptor targets: CB1 and CB2 in the GI tract.
How They Did This
Narrative review of the role of cannabis and the endocannabinoid system in the gut, liver, and pancreas, covering both therapeutic potential and adverse effects (CHS).
Why This Research Matters
GI disorders affect a large proportion of the population, and current treatments are often inadequate. The endocannabinoid system's broad involvement in gut function, from inflammation to motility to pain, suggests it could be a unified target for multiple GI conditions.
The Bigger Picture
The gut has one of the richest endocannabinoid systems in the body, with both CB1 and CB2 receptors distributed throughout. This makes it a natural target for cannabinoid-based therapies, but the paradox of CHS (cannabis causing GI symptoms in chronic users) shows that the relationship between cannabinoids and the gut is complex and dose-dependent.
What This Study Doesn't Tell Us
Narrative review without systematic methodology. The clinical evidence for most GI indications comes from small studies and case reports. The review acknowledges that clinical efficacy "remains unclear." Does not address drug interactions or contraindications.
Questions This Raises
- ?Which GI conditions are most likely to respond to cannabinoid therapy?
- ?Are CBD-dominant preparations better tolerated in the gut than THC-dominant ones?
- ?How can the risk of CHS be balanced against the potential GI benefits of cannabis?
Trust & Context
- Key Stat:
- Endocannabinoid system: a unified target for multiple GI conditions including IBD and IBS
- Evidence Grade:
- Narrative review presenting a comprehensive overview. The underlying clinical evidence is limited and the review acknowledges unclear efficacy.
- Study Age:
- Published in 2017. Clinical trials of cannabinoids for IBD and IBS have expanded since.
- Original Title:
- Role of cannabis in digestive disorders.
- Published In:
- European journal of gastroenterology & hepatology, 29(2), 135-143 (2017)
- Authors:
- Goyal, Hemant(6), Singla, Umesh, Gupta, Urvashi, May, Elizabeth
- Database ID:
- RTHC-01387
Evidence Hierarchy
Summarizes existing research on a topic.
What do these levels mean? →Frequently Asked Questions
Can cannabis help with Crohn's disease?
The review found the most promising evidence for IBD, especially Crohn's disease, where the anti-inflammatory properties of cannabinoids may reduce gut inflammation. However, the review notes that clinical efficacy remains unclear and rigorous trials are needed.
How can cannabis both help and harm the gut?
Cannabis can reduce inflammation, pain, and motility problems through the endocannabinoid system. But chronic heavy use can paradoxically cause cannabinoid hyperemesis syndrome (CHS), with severe nausea and vomiting. The dose, frequency, and individual factors likely determine which effect predominates.
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Cite This Study
https://rethinkthc.com/research/RTHC-01387APA
Goyal, Hemant; Singla, Umesh; Gupta, Urvashi; May, Elizabeth. (2017). Role of cannabis in digestive disorders.. European journal of gastroenterology & hepatology, 29(2), 135-143. https://doi.org/10.1097/MEG.0000000000000779
MLA
Goyal, Hemant, et al. "Role of cannabis in digestive disorders.." European journal of gastroenterology & hepatology, 2017. https://doi.org/10.1097/MEG.0000000000000779
RethinkTHC
RethinkTHC Research Database. "Role of cannabis in digestive disorders." RTHC-01387. Retrieved from https://rethinkthc.com/research/goyal-2017-role-of-cannabis-in
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.