{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T11:11:23Z","timestamp":1789989083164,"version":"4.0.1"},"reference-count":79,"publisher":"BMJ","issue":"1","license":[{"start":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T00:00:00Z","timestamp":1768521600000},"content-version":"unspecified","delay-in-days":15,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"French Association for ALS Research"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2025,12,15]]},"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Robotic rehabilitation on locomotion is a new approach in amyotrophic lateral sclerosis (ALS) and previous studies showed its feasibility. In this study, we aim to evaluate safety, patient\u2019s experience and efficacy of a gait training programme with the Atalante exoskeleton, compared with usual care, on walking ability, functional capacity and other symptoms associated with ALS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and analysis<\/jats:title>\n                    <jats:p>EXALS is a monocentric, prospective, interventional, open trial. 20 slowly progressing patients with gait deficits will be recruited. The study is conducted in three phases, each lasting 6\u2009weeks, following the ABA procedure. Phase B represents the intervention phase, during which patients practise their gait training at a rhythm of three sessions\/week, as an add-on to usual care. In the two phases A, patients receive usual care with no additional treatment. An evaluation is planned before, in the middle and at the end of each phase. The primary outcome of the study is safety and tolerability of the Atalante exoskeleton. Secondary outcomes include: participants\u2019 subjective impact and experience, attitude and motivation, efficacy and interactivity of the exoskeleton, walking ability, functional capacity, spasticity, balance, postural stability, lower limb muscle strength, quality of life, pain, fatigue, anxiety and depression. Statistical analyses will include descriptive methods for all variables and adverse events. Quantitative outcomes are analysed using repeated-measures ANOVA (analysis of variance) across the seven visits, with post hoc tests applied when appropriate. Nominal outcomes are evaluated using Cochran\u2019s Q test with McNemar pairwise comparisons when significant. Associations between variables are examined using Spearman correlation coefficients. Missing data will be replaced using linear interpolation, and sensitivity analyses will be planned. Qualitative interview data are analysed using thematic analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Ethics and dissemination<\/jats:title>\n                    <jats:p>This study was approved by the French ethics committee CPP Nord-Ouest I (no. 23.02378.000201). Participant data are anonymised and securely stored in the laboratory\u2019s database, accessible only to the research team. Results will be disseminated through peer-reviewed journals and conferences.<\/jats:p>\n                    <jats:p>\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"clintrialgov\" xlink:href=\"NCT06199284\">NCT06199284<\/jats:ext-link>\n                      .\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2025-109620","type":"journal-article","created":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T19:10:50Z","timestamp":1768590650000},"page":"e109620","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Safety and efficacy of the Atalante exoskeleton in the rehabilitation of French patients with amyotrophic lateral sclerosis: a prospective, monocentric, open, uncontrolled, interventional protocol, EXALS"],"prefix":"10.1136","volume":"16","clinical-trial-number":[{"clinical-trial-number":"nct06199284","registry":"10.18810\/clinical-trials-gov"},{"clinical-trial-number":"nct04694001","registry":"10.18810\/clinical-trials-gov"},{"clinical-trial-number":"nct06107010","registry":"10.18810\/clinical-trials-gov"},{"clinical-trial-number":"nct05506306","registry":"10.18810\/clinical-trials-gov"},{"clinical-trial-number":"nct06199284","registry":"10.18810\/clinical-trials-gov"}],"author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-0729-9651","authenticated-orcid":false,"given":"Ghida","family":"Trad","sequence":"first","affiliation":[{"name":"Sorbonne Universit\u00e9, Inserm, CNRS, Laboratoire d\u2019Imagerie Biom\u00e9dicale (LIB), 75006-Paris, France"},{"name":"Centre Station Debout, 75001-Paris, France"},{"name":"Neuromuscular Physiology and Evaluation Lab, Neuromuscular Investigation Center, Institute of Myology, 75013-Paris, 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