Birder, Lori A · International journal of urology : official journal of the Japanese Urological Association · 2019 · DOI
Interstitial cystitis is a chronic bladder pain condition with no clear cause and no universally accepted treatment. This review examines how bladder pain occurs without obvious damage to bladder tissue or nerves, and notes that patients with this condition often have overlapping symptoms with other chronic pain syndromes like fibromyalgia, irritable bowel syndrome, and chronic fatigue syndrome. Researchers use animal models and look for biomarkers in urine to better understand the condition and develop new treatments.
This study is relevant to ME/CFS patients and researchers because it examines a frequently comorbid functional pain syndrome that shares overlapping symptoms and pathophysiological mechanisms with ME/CFS, including central sensitization, stress responses, and quality-of-life impairment. Understanding IC/BPS pathophysiology may inform investigation of shared mechanisms across these interconnected chronic conditions and identify potential therapeutic targets applicable to ME/CFS.
This review does not establish direct causal mechanisms of IC/BPS in humans, as it relies heavily on animal models whose translation to human disease is uncertain. It does not prove that biomarkers discovered in animal or small patient studies will be clinically useful for diagnosis or prognosis. The overlap with ME/CFS and other syndromes is observational and does not establish whether these conditions share a common etiology or mechanism.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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