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We aimed to systematically assess nociceptive pain in LOPD and to explore its relationship with muscle function, structural muscle alterations, and potential modifiers.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>In this multicenter cross-sectional study, 42 patients with LOPD and 61 disease controls (IBM, FSHD, SMA3) were evaluated. Pain was assessed using validated questionnaires and pain drawings. Motor function tests, pressure pain thresholds, muscle ultrasound, laboratory parameters, and genetic polymorphisms (ACE, ACTN3) were obtained. Associations between pain and clinical, structural, and biological variables were analyzed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Chronic nociceptive musculoskeletal pain was highly prevalent, particularly in LOPD (83.3%) compared to disease controls (\n                      <jats:italic>p<\/jats:italic>\n                      =0.005). However, pain reported on the assessment day was significantly lower in LOPD (30.9%,\n                      <jats:italic>p<\/jats:italic>\n                      &lt;0.001) and SMA3 (25%,\n                      <jats:italic>p<\/jats:italic>\n                      =0.016). No significant associations were found between pain and muscle strength, motor function tests, ultrasound-detected muscle alterations, ACTN3 and ACE, and laboratory parameters.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Musculoskeletal pain is highly prevalent in LOPD but remains dissociated from objective measures of motor impairment, structural changes of muscle tissue, or genetic modifiers. The significant discrepancy between chronic pain history and acute pain reporting particularly in LOPD and SMA3 suggests that pain represents an independent clinical domain that is not fully captured by single-point assessments. Clinical management should focus on individualized pain assessment, as standard functional tests and snapshot pain assessments do not adequately reflect the patient\u2019s pain burden.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00415-026-14071-x","type":"journal-article","created":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T07:10:56Z","timestamp":1787641856000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Nociceptive pain in late-onset Pompe disease: prevalence, distribution, and clinical correlates"],"prefix":"10.1007","volume":"273","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8407-3642","authenticated-orcid":false,"given":"Stephan","family":"Wenninger","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcela","family":"Arndt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel H.","family":"Mendelsohn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Corinna","family":"Wirner-Piotrowski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marko","family":"Mijic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalia","family":"Garcia-Angarita","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristina","family":"Gutschmidt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph","family":"Schmidt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa","family":"Winkler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dieter","family":"Gl\u00e4ser","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karl Christian","family":"Knop","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"Spranger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank","family":"Klawonn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lea Eileen","family":"Brauner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Benedikt","family":"Schoser","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,8,25]]},"reference":[{"key":"14071_CR1","doi-asserted-by":"publisher","first-page":"111","DOI":"10.1164\/ajrccm.166.1.at1102","volume":"166","author":"A Ats","year":"2002","unstructured":"Ats, A. 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He has served on advisory boards for Alexion Pharma, CSL Behring, and Sanofi Genzyme GmbH. He received funding for travel or speaker Honoraria from Sanofi-Aventis Germany GmbH; SH Glykogenose Gesellschaft; AbbVie Germany GmbH; Recordati Pharma GmbH; CSLBehring GmbH; Alexion Pharma GmbH; Desitin Germany; Akcea GmbH. Outside of this context, BS has served on advisory boards for Alexion, Argenex, Amicus, Astellas, Spark, and Sanofi; he has undertaken contracted unrestricted research for Sanofi and Amicus; and has received honoraria from Kedrion. DG: received funding for travel and speaker Honoraria from Hormosan and received funding for travel and speaker Honoraria from Amicus. BS: has received research grants from AMDA Foundation, EU Horizon 2022 programs ComPaSS and PaLaDIn, Entry-DM, Marigold Foundation, and Roche Diagnostics; received speaker\u2019s honoraria from Alexion, Amicus, Argenx, Astellas, Kedrion, and Sanofi; been a scientific advisor for Amicus, Alexion, Astellas, Avidity, Denali, Dyne, Souffle, and Sanofi; and declares no stocks or shares. The other authors have no conflicts of interest to declare (NGA, MM, KG, CWP, MA, DHM, CS, LW, KCK, MS, FK, and LEB).","order":1,"name":"Ethics","label":"Conflicts of interest","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This study was registered at clinicaltrials.gov, number NCT05272969.","order":2,"name":"Ethics","label":"Study registration","group":{"name":"EthicsHeading","label":"Declarations"}}],"article-number":"544"}}