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Cannabis and Cannabinoids in Inflammatory Bowel Disease Treatment: A Systematic Review




Inflammatory Bowel Disease (IBD) is a chronic and often debilitating condition that affects millions of individuals worldwide. Managing the symptoms and achieving remission in IBD patients can be challenging, often requiring a combination of medications and lifestyle adjustments. In recent years, an intriguing trend has emerged where a significant portion of IBD patients turn to cannabis and cannabinoids as a complementary or alternative approach to managing their condition. This blog aims to shed light on the evolving landscape of cannabis and cannabinoid usage in IBD treatment by summarizing the findings of a systematic review conducted between 2012 and 2022.

The Quest for Clarity

The use of cannabis and cannabinoids in IBD treatment has gained momentum, with reports of benefits such as reduced reliance on other medications, increased appetite, and pain relief. However, despite the growing number of patients reporting positive outcomes, consensus regarding their use in IBD remains elusive. To address this, a systematic review was conducted, utilizing the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) framework.


This systematic review focused on original research articles published between 2012 and 2022. The aim was to ensure the inclusion of recent and relevant studies within the contemporary scientific and clinical environment. Articles selected for the review were chosen based on their contribution to the central question: Are cannabinoids beneficial in IBD treatment, and to what extent?


The systematic review yielded a complex and nuanced picture of the interplay between cannabinoids and IBD treatment. On one hand, numerous studies reported promising results. These findings included reduced clinical complications assessed through various metrics such as Mayo scores, Crohn’s Disease Activity Index (CDAI) scores, weight gain, enhanced patient health perception, Lichtiger Index, Harvey-Bradshaw Index, and overall improved well-being. These findings offered hope for IBD patients seeking alternative treatment options.

On the other hand, the review exposed several critical challenges. High-quality evidence regarding the mode of administration and appropriate dosage of cannabinoids for IBD treatment is still lacking. The heterogeneity among the selected studies was striking. Variations in study designs, disease activity indices, treatment duration, modes of administration, cannabis dosage, inclusion criteria, and case definitions all contributed to this heterogeneity. As a result, while efficacy was reported in most studies, generalizability of the outcomes was limited.

Recommendations for the Future

Given the promising but inconclusive findings, future research in this area should prioritize randomized controlled trials (RCTs) that establish universal parameters for IBD treatment using cannabis and cannabinoids. These trials should aim to determine the safety and effectiveness of these interventions. Additionally, researchers should strive for homogenous outcomes that can be compared between studies, addressing factors such as patient characteristics (gender and age), symptom severity, mode of administration, and dosage.


Cannabis and cannabinoids represent a compelling area of investigation in the realm of IBD treatment. While numerous studies suggest their potential benefits, the lack of standardized approaches, dosing guidelines, and high-quality evidence hinders definitive conclusions. As the field of medical cannabis research continues to evolve, it is essential to prioritize rigorous research methodologies, including RCTs, to unlock the full potential of cannabis and cannabinoids in the treatment of IBD. With further research, we may one day uncover the ideal dosing regimens and administration methods that can offer meaningful relief to IBD patients while ensuring their safety and well-being.


Lydia K. (Bsc. RN) is a cannabis writer, which, considering where you’re reading this, makes perfect sense. Currently, she is a regular writer for Mace Media. In the past, she has written for MyBud, RX Leaf & Dine Magazine (Canada), CBDShopy (UK) and Cannavalate & Pharmadiol (Australia). She is best known for writing epic news articles and medical pieces. Occasionally, she deviates from news and science and creates humorous articles. And boy doesn't she love that! She equally enjoys ice cream, as should all right-thinking people.

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