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MinorStudy completion date: Jun 2026 to Aug 2026v53
MinorStudy completion date: Oct 2025 to Jun 2026v52
NotableResults first posted: Feb 10, 2025v51Show 6 more changesShow less
Primary endpoint revised
Enrollment target: 218 to 299
Interventions: Placebos (Drug), troriluzole (Drug) to Placebo (Drug), troriluzole (Drug)
Secondary endpoints revised (4)
Study title revised
Eligibility criteria shortened, about 5 words
MinorStudy completion date: Dec 22, 2024 to Oct 2025v50
Minor2 versionsRe-verified since Oct 4, 2022, no change to tracked fieldsv48-v49
Show 44 earlier versionsHide 44 earlier versions
MinorPrimary completion date: Apr 29, 2022 to Feb 18, 2022v47
MinorPrimary completion date changed from estimate of Apr 8, 2022 to Apr 29, 2022v46
MinorPrimary completion date: Mar 7, 2022 to Apr 8, 2022
Study completion date: Jan 22, 2024 to Dec 22, 2024
v45
MinorPrimary completion date: Nov 30, 2021 to Mar 7, 2022
Study completion date: Nov 30, 2021 to Jan 22, 2024
v44
MinorEnrollment target: estimated 210 to confirmed 218v43
MinorTrial status: Recruiting to Active, Not Recruiting
Site details revised at 23 of 23 sites
v42
MinorSite details revised at 1 of 23 sitesv41
MinorSite details revised at 1 of 23 sitesv40
MinorSite details revised at 1 of 23 sitesv39
MinorSite details revised at 1 of 23 sitesv38
NotablePrimary and study completion dates: Oct 31, 2020 to Nov 30, 2021v37
MinorStudy sites: 21 to 23v36
MinorSite contacts updated at 2 of 21 sitesv35
MinorSite details revised at 1 of 21 sitesv34
MinorSite details revised at 1 of 21 sitesv33
NotablePrimary endpoint revised
Enrollment target: 230 to 210
Secondary endpoints: 10 to 4
Eligibility criteria shortened, about 4 words
v32
MinorSite details revised at 1 of 21 sitesv31
MinorSite details revised at 1 of 21 sitesv30
MinorStudy sites: 20 to 21v29
MinorSite details revised at 1 of 20 sitesv28
MinorSite contacts updated at 1 of 20 sitesv27
MinorSite contacts updated at 1 of 20 sitesv26
MinorSite contacts updated at 1 of 20 sitesv25
MinorSite details revised at 1 of 20 sitesv24
MinorSite details revised at 1 of 20 sitesv23
MinorSite details revised at 1 of 20 sitesv22
MinorSite details revised at 1 of 20 sitesv21
MinorSite details revised at 1 of 20 sitesv20
MinorSite details revised at 1 of 20 sitesv19
MinorEligibility criteria expanded, about 27 wordsv18
MinorSite details revised at 1 of 20 sitesv17
MinorSite details revised at 2 of 20 sitesv16
MinorSite details revised at 1 of 20 sitesv15
MinorSite details revised at 1 of 20 sitesv14
MinorSite details revised at 1 of 20 sitesv13
MinorSite details revised at 1 of 20 sitesv12
MinorSite details revised at 1 of 20 sitesv11
MinorStudy sites: 18 to 20v10
MinorSite contacts updated at 1 of 18 sitesv9
MinorSite details revised at 1 of 18 sitesv8
MinorStart date changed from estimate of Mar 15, 2019 to Mar 8, 2019v7
NotableTrial status: Not Yet Recruiting to Recruitingv6Show 4 more changesShow less
Eligibility criteria expanded, about 92 words
Secondary endpoints revised (10)
Site details revised at 18 of 18 sites
Study title revised
NotableStart date: Jan 31, 2019 to Mar 15, 2019v5
NotableStart date: Nov 15, 2018 to Jan 31, 2019v4
Stopped: an ongoing trial was terminated, suspended or withdrawn.
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The purpose of this study is to compare the efficacy of Troriluzole (200 mg once daily) versus placebo after 48 weeks of treatment in subjects with spinocerebellar ataxia (SCA).
Spinocerebellar Ataxias, Spinocerebellar Ataxia Type 1, Spinocerebellar Ataxia Type 2, Spinocerebellar Ataxia Type 3, Spinocerebellar Ataxia Type 6, Spinocerebellar Ataxia Type 7, Spinocerebellar Ataxia Type 8, Spinocerebellar Ataxia Type 10