rethinkTHC Search
Menu
Study breakdown

CBD and THC show promise for endometriosis symptoms but human evidence is lacking

ReviewPreliminary evidence
The takeaway

A literature review found that CBD demonstrated anti-inflammatory, antioxidant, and anti-angiogenic effects in experimental endometriosis models, but clinical data on cannabinoid treatment for endometriosis in humans remains extremely limited.

Gynecologists, endometriosis patients, and researchers interested in expanding cannabinoid therapeutic applications.

What the researchers found

An experimental rat study demonstrated CBD's anti-inflammatory, antioxidant, and antiangiogenic effects in endometriosis treatment via intraperitoneal administration. However, human clinical evidence is sparse, and current use is off-label without established dosing or administration routes.

Why it matters

Endometriosis affects approximately 10% of women of reproductive age and is associated with chronic pelvic pain, painful periods, and infertility. Current treatments have significant limitations, creating urgency for new therapeutic options.

The numbers in context

Approximately 10% of women of reproductive age affected. One experimental rat study demonstrated CBD efficacy. Current human use is off-label.

How the study worked

Literature review searching PubMed, Embase, and Scopus for studies on CBD and THC therapeutic potential for endometriosis symptoms, including assessment of reproducibility, safety, dosing, and administration routes.

What this study cannot tell us

Very limited primary research available. Only one animal study of CBD in endometriosis. No clinical trials identified. Review methodology not described as systematic.

How to read the evidence

Literature review identifying very limited primary evidence. One positive animal study does not establish therapeutic potential in humans.

When this study was published

2025 publication.

The bigger picture

The endocannabinoid system is present in reproductive tissues and modulates pain and inflammation. Endometriosis involves both, making cannabinoid therapy theoretically promising. However, the gap between theoretical rationale and clinical evidence is vast.

Questions still open

  • When will clinical trials of cannabinoids for endometriosis begin?
  • Could cannabis interact with hormonal treatments commonly used for endometriosis?

Common questions

Can cannabis treat endometriosis?
There is theoretical rationale and one positive animal study, but no clinical trials or systematic human evidence. Many women with endometriosis report using cannabis for symptom management, but this is off-label and unguided by research.
Why might cannabinoids help endometriosis?
Endometriosis involves chronic inflammation, pain, and abnormal tissue growth. CBD has shown anti-inflammatory and anti-angiogenic (blocking new blood vessel formation that feeds ectopic tissue) properties that could theoretically address multiple disease mechanisms.

Read the original research

Cannabidiol and ∆9-Tetrahydrocannabinol in Endometriosis: A Literature Review on Therapeutic Applications and Mechanisms.

JBRA assisted reproduction

Citation

Godoy, Joana Retzke; Castilhos, Júlia Prauchner de; Caruso, Fernanda Borsatto; Hentschke, Marta Ribeiro. (2025). Cannabidiol and ∆9-Tetrahydrocannabinol in Endometriosis: A Literature Review on Therapeutic Applications and Mechanisms.. JBRA assisted reproduction. https://doi.org/10.5935/1518-0557.20250168

Explore the wider topic