Mary-Ann Fitzcharles, Rodrigo Deamo Assis, David W Polly, Steven P Cohen
{"title":"Mixed pain phenotypes in musculoskeletal disorders: mechanisms and management.","authors":"Mary-Ann Fitzcharles, Rodrigo Deamo Assis, David W Polly, Steven P Cohen","doi":"10.1038/s41584-026-01443-w","DOIUrl":"https://doi.org/10.1038/s41584-026-01443-w","url":null,"abstract":"<p><p>Pain is categorized into three pain phenotypes: nociceptive, neuropathic and nociplastic, with overlapping pain referring to the coexistence of more than one pain phenotype. Overlapping pain occurs in more than one-third of individuals with musculoskeletal conditions, including inflammatory arthritis, osteoarthritis, spinal disorders and soft-tissue conditions. Whereas nociceptive pain is associated with identifiable tissue pathology and often responds to anatomically focused treatments, the presence of an additional pain phenotype, most commonly nociplastic pain, contributes to clinical complexity, poorer responses to conventional analgesics and procedures, and a greater burden of disease. Clinical identification of overlapping pain relies primarily on history-taking and physical examination, as no validated biomarker or widely accessible diagnostic test is currently available. Quantitative sensory testing and patient-reported questionnaires provide evidence of musculoskeletal overlapping pain but remain underutilized in routine practice. Once the underlying condition has been optimally managed, treatment should adopt a biopsychosocial approach that addresses comorbidities such as psychological distress, promotes self-efficacy and healthy lifestyle behaviours, and incorporates cautious use of pharmacological therapies. Effective clinical care requires recognition of overlapping pain as an important contributor to chronic musculoskeletal pain, with implications for treatment selection, including surgical and interventional decision-making, and for optimizing risk-benefit and cost-effectiveness outcomes.</p>","PeriodicalId":18810,"journal":{"name":"Nature Reviews Rheumatology","volume":" ","pages":""},"PeriodicalIF":33.7,"publicationDate":"2026-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149207387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alice Courties, Tobias Winkler, Philip G Conaghan, Francis Berenbaum
{"title":"Emerging therapies for knee osteoarthritis.","authors":"Alice Courties, Tobias Winkler, Philip G Conaghan, Francis Berenbaum","doi":"10.1038/s41584-026-01441-y","DOIUrl":"https://doi.org/10.1038/s41584-026-01441-y","url":null,"abstract":"<p><p>Knee osteoarthritis (OA) is the most prevalent form of OA and a leading cause of chronic pain and disability worldwide. Its growing burden, driven mainly by ageing and obesity, is associated with major societal costs and increased cardiovascular mortality. Knee OA is now recognized as a heterogeneous whole-joint disease involving biomechanical, metabolic, inflammatory, osteochondral and neurovascular mechanisms. This complexity helps to explain why existing analgesics have modest efficacy and why disease-modifying OA drug development has repeatedly faltered. The therapeutic landscape is nevertheless evolving rapidly. Emerging symptomatic strategies include incretin-based therapies (semaglutide is the first to show substantial benefits for pain and function), neurotrophin modulation, extended-release intra-articular glucocorticoids, lubricating injectables and image-guided neurovascular interventions. In parallel, candidate disease-modifying OA drugs target cartilage anabolism, Wnt signalling, matrix-degrading enzymes, subchondral bone remodelling, immunometabolic pathways and local gene therapy. Several treatments, including locally administered GLP1 receptor agonists, the anabolic agent TPX-100 and intra-articular IL-1 receptor antagonist gene therapy, have shown encouraging signals, whereas mesenchymal stromal cell therapies have thus far demonstrated inconsistent efficacy across phase III clinical trials, highlighting the need for further standardization of mesenchymal stromal cell products and optimization of patient selection. Recent advances signal a shift towards a more diverse therapeutic landscape for knee OA, with emerging opportunities to target both symptoms and the underlying mechanisms of disease.</p>","PeriodicalId":18810,"journal":{"name":"Nature Reviews Rheumatology","volume":" ","pages":""},"PeriodicalIF":33.7,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149182954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Brenda Kischkel, Sonia Nasi, Charles Leroy, Leo A B Joosten, Hang Korng Ea
{"title":"Trained immunity in chronic, relapsing and low-grade joint inflammation.","authors":"Brenda Kischkel, Sonia Nasi, Charles Leroy, Leo A B Joosten, Hang Korng Ea","doi":"10.1038/s41584-026-01439-6","DOIUrl":"https://doi.org/10.1038/s41584-026-01439-6","url":null,"abstract":"<p><p>Trained immunity is a form of innate immune memory mediated by metabolic and epigenetic reprogramming that promotes sustained inflammatory responses. Accumulating evidence implicates a role for maladaptive trained immunity in sustaining inflammation and promoting disease progression across distinct forms of inflammatory joint disease, including rheumatoid arthritis, gout, calcium pyrophosphate deposition disease and osteoarthritis. Inflammatory cytokines, damage-associated patterns and metabolic signals can induce long-lasting inflammatory programmes in both immune cells, such as monocytes and macrophages, and non-immune cells within the joint, such as chondrocytes and synovial-like fibroblasts. Trained immunity also provides a potential mechanistic link between joint inflammation and associated systemic complications, including increased cardiovascular risk. Therapeutic strategies targeting the metabolic and epigenetic pathways that underlie trained immunity could offer opportunities to limit chronic inflammation, prevent structural damage and reduce disease-associated comorbidities.</p>","PeriodicalId":18810,"journal":{"name":"Nature Reviews Rheumatology","volume":" ","pages":""},"PeriodicalIF":33.7,"publicationDate":"2026-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149169748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Menopause and musculoskeletal health: a call to action.","authors":"Lihi Eder, Iliana C Lega","doi":"10.1038/s41584-026-01446-7","DOIUrl":"https://doi.org/10.1038/s41584-026-01446-7","url":null,"abstract":"","PeriodicalId":18810,"journal":{"name":"Nature Reviews Rheumatology","volume":" ","pages":""},"PeriodicalIF":33.7,"publicationDate":"2026-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149137580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Filgotinib effective across the axSpA spectrum in phase III trial","authors":"Sarah Onuora","doi":"10.1038/s41584-026-01447-6","DOIUrl":"https://doi.org/10.1038/s41584-026-01447-6","url":null,"abstract":"","PeriodicalId":18810,"journal":{"name":"Nature Reviews Rheumatology","volume":"36 1","pages":""},"PeriodicalIF":33.7,"publicationDate":"2026-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149089275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Georges El Hasbani,Karen Schreiber,Ignasi Rodríguez-Pintó,Katrien M. J. Devreese,Danieli Andrade,Alí Duarte-García
{"title":"Antiphospholipid syndrome: epidemiology and outcomes in the evolving criteria era","authors":"Georges El Hasbani,Karen Schreiber,Ignasi Rodríguez-Pintó,Katrien M. J. Devreese,Danieli Andrade,Alí Duarte-García","doi":"10.1038/s41584-026-01438-7","DOIUrl":"https://doi.org/10.1038/s41584-026-01438-7","url":null,"abstract":"","PeriodicalId":18810,"journal":{"name":"Nature Reviews Rheumatology","volume":"13 1","pages":""},"PeriodicalIF":33.7,"publicationDate":"2026-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149089219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"miR-590-3p links inflammation and bone destruction in OA","authors":"Jessica McHugh","doi":"10.1038/s41584-026-01445-8","DOIUrl":"https://doi.org/10.1038/s41584-026-01445-8","url":null,"abstract":"","PeriodicalId":18810,"journal":{"name":"Nature Reviews Rheumatology","volume":"8 1","pages":""},"PeriodicalIF":33.7,"publicationDate":"2026-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149092095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}