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Changes to speech lead to significant reductions in quality of life, impacting the speaker in most daily activities. Recognition of its importance as an objective outcome measure in clinical trials for ataxia is growing. Its viability as an endpoint across the disease spectrum (i.e. pre-symptomatic onwards) means that trials can recruit ambulant individuals and later-stage individuals who are often excluded because of difficulty completing lower limb tasks. Here we discuss the key considerations for speech testing in clinical trials including hardware selection, suitability of tasks and their role in protocols for trials and propose a core set of tasks for speech testing in clinical trials. Test batteries could include forms suitable for remote short, sensitive and easy to use, with norms available in several languages. The use of artificial intelligence also could improve accuracy and automaticity of analytical pipelines in clinic and trials.<\/jats:p>","DOI":"10.1007\/s12311-023-01623-4","type":"journal-article","created":{"date-parts":[[2023,10,28]],"date-time":"2023-10-28T06:02:08Z","timestamp":1698472928000},"page":"1128-1134","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Quantitative Speech Assessment in Ataxia\u2014Consensus Recommendations by the Ataxia Global Initiative Working Group on Digital-Motor Markers"],"prefix":"10.1007","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3505-2631","authenticated-orcid":false,"given":"Adam P.","family":"Vogel","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7129-913X","authenticated-orcid":false,"given":"Anna","family":"Sobanska","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anoopum","family":"Gupta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9807-9578","authenticated-orcid":false,"given":"Gessica","family":"Vasco","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1808-2134","authenticated-orcid":false,"given":"Marcus","family":"Grobe-Einsler","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7416-4855","authenticated-orcid":false,"given":"Susanna","family":"Summa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8597-9937","authenticated-orcid":false,"given":"Stephanie","family":"Borel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2023,10,28]]},"reference":[{"issue":"3","key":"1623_CR1","doi-asserted-by":"publisher","first-page":"97","DOI":"10.1159\/000287207","volume":"62","author":"JE Folker","year":"2010","unstructured":"Folker JE, Murdoch BE, Cahill LM, Delatycki MB, Corben LA, Vogel AP. 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