Observational studyPloS one2026
Evaluating the impact of cannabinoid extracts on chronic pain and quality of life in endometriosis patients - a pilot study.
Observational study in PloS one, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
Endometriosis is a chronic gynecological disorder characterized by persistent pain and impaired quality of life, with limited effective treatment options. Emerging evidence indicates that cannabinoids may provide analgesic and symptom-relieving effects in chronic pain conditions. This prospective single-center cohort study investigated the effects of standardized oral cannabis extracts (cannabinoid-based medicinal products, CBMPs) on pain and quality of life in women with endometriosis. Thirty premenopausal women aged 18-45 years with confirmed endometriosis and chronic pelvic pain were enrolled; 27 completed the 3-month treatment period. Participants received oral CBMPs containing a balanced THC: CBD ratio. Pain intensity, frequency of pain episodes, analgesic use, fatigue, anxiety, central sensitization, disability, and quality of life were assessed using validated questionnaires (VAS, EHP-30, PDI, CFS, GAD-7, CSI). Significant improvements were observed after one month of treatment, with continued benefit over three months. Pain intensity decreased markedly (p = 0.0004), accompanied by reductions in the number of pain days and analgesic use, including both NSAIDs (e.g., ibuprofen, diclofenac) and opioid analgesics (e.g., tramadol, tilidin, oxycodone) (p < 0.001). Fatigue (p = 0.0013), anxiety (p < 0.0001), central sensitization (p < 0.0001), disability (p < 0.0001), and overall quality of life (EHP-30) improved significantly. Treatment was well tolerated; side effects were predominantly mild (severity score 1 on a 0-3 scale) and transient, occurring mainly during the titration phase and declining thereafter. Although limited by its single-center design, lack of placebo control, and short follow-up, this study provides preliminary evidence that oral CBMPs may represent a safe and effective adjunct therapy for managing pain and related symptoms in women with endometriosis. Larger randomized controlled trials are warranted to confirm these findings and establish optimal dosing strategies.
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