Shoenfeld, Yehuda, Ryabkova, Varvara A, Scheibenbogen, Carmen et al. · Clinical immunology (Orlando, Fla.) · 2020 · DOI
This review brings together evidence suggesting that ME/CFS, along with related conditions like POTS and complex regional pain syndrome, may share a common autoimmune root cause. The researchers found that these conditions are linked by similar patterns: the body's immune system produces antibodies that attack certain nerve receptors, and small nerve fibers become damaged. By understanding these shared mechanisms, doctors may eventually be able to better identify which patients would benefit from immune-targeting treatments.
This work provides a conceptual bridge linking ME/CFS to measurable immunological abnormalities and small fiber neuropathy, potentially validating long-standing patient reports of real physiological dysfunction. If the proposed autoimmune subgroup exists, it could enable stratification of ME/CFS patients for targeted immunotherapy trials, moving beyond one-size-fits-all treatment approaches.
This review does not prove that autoimmunity causes ME/CFS in all patients—only that an autoimmune subset may exist. It does not establish treatment efficacy or safety of any immunotherapy for these conditions. The unifying concept remains theoretical and requires prospective clinical validation before clinical application.
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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