{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,18]],"date-time":"2026-06-18T18:33:30Z","timestamp":1781807610635,"version":"3.54.5"},"reference-count":23,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2025,4,16]],"date-time":"2025-04-16T00:00:00Z","timestamp":1744761600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100005202","name":"Muscular Dystrophy Association","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100005202","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ann Clin Transl Neurol"],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Identifying functional measures that are both valid and reliable in the limb girdle muscular dystrophy (LGMD) population is critical for quantifying the level of functional impairment related to disease progression in order to establish clinical trial readiness in the context of anticipated therapeutic trials.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Through the Genetic Resolution and Assessments Solving Phenotypes in LGMD (GRASP\u2010LGMD) Consortium, 42 subjects with LGMDR1 were enrolled in a 12\u2010month natural history study across 11 international sites. Each subject completed a battery of clinical outcome assessments (COA), including the North Star Assessment for Limb Girdle\u2010Type Dystrophies (NSAD), 10\u2010m walk\/run, and Performance of the Upper Limb (PUL), in addition to several patient\u2010reported outcome measures (PROM).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In this baseline cross\u2010sectional analysis, significant correlations were found between COAs and PROMs, with significant differences in the performance of assessments based on subjects' ambulatory status and genetic variant classification.<\/jats:p><\/jats:sec><jats:sec><jats:title>Interpretation<\/jats:title><jats:p>The study has determined that the NSAD and other assessments are valid and reliable measures for quantifying the level of disease impairment in individuals with LGMDR1.<\/jats:p><\/jats:sec>","DOI":"10.1002\/acn3.70049","type":"journal-article","created":{"date-parts":[[2025,4,16]],"date-time":"2025-04-16T12:12:26Z","timestamp":1744805546000},"page":"1179-1186","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Clinical Trial Readiness in Limb Girdle Muscular Dystrophy R1 (LGMDR1): A GRASP Consortium Study"],"prefix":"10.1002","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-0064-9178","authenticated-orcid":false,"given":"Stephanie M.","family":"Hunn","sequence":"first","affiliation":[{"name":"Washington University School of Medicine  St. Louis Missouri USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2263-7569","authenticated-orcid":false,"given":"Lindsay N.","family":"Alfano","sequence":"additional","affiliation":[{"name":"The Abigail Wexner Research Institute at Nationwide Children's Hospital  Columbus Ohio 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