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This record was last updated January 14, 2025 (before its estimated June 30, 2025 completion). Its status may not reflect the trial's current state.
Record History
NotableLead sponsor: University of Iowa to Jordan SchultzPrimary and study completion dates: Jun 30, 2024 to Jun 30, 2025v27Show 1 more changeShow less
Primary and study completion dates: Jun 30, 2024 to Jun 30, 2025
NotablePrimary and study completion dates: Mar 31, 2023 to Jun 30, 2024Trial status: Recruiting to Active, Not Recruiting · Site details revisedv26Show 2 more changesShow less
Trial status: Recruiting to Active, Not Recruiting
Site details revised
NotableLead sponsor: Jane S. Paulsen to University of Iowav25
NotableLead sponsor: University of Iowa to Jane S. PaulsenTrial status: Active, Not Recruiting to Recruiting · Primary completion date: Aug 31, 2017 to Mar 31, 2023 · Enrollment target: 1500 to 1700 · 2 morev24Show 5 more changesShow less
Trial status: Active, Not Recruiting to Recruiting
Primary completion date: Aug 31, 2017 to Mar 31, 2023
Enrollment target: 1500 to 1700
Study sites: 0 to 1
Completion date: Dec 2018 to Mar 31, 2023
NotablePrimary endpoints revised (3)Study sites: 27 to 0 · Primary completion date changed from estimate of Aug 2017 to Aug 31, 2017 · Completion date: Aug 2017 to Dec 2018v23Show 3 more changesShow less
Study sites: 27 to 0
Primary completion date changed from estimate of Aug 2017 to Aug 31, 2017
NotablePrimary and study completion dates: Aug 2016 to Aug 2017v22
MinorTrial status: Recruiting to Active, Not RecruitingSite details revised at 27 of 27 sitesv21Show 1 more changeShow less
Site details revised at 27 of 27 sites
NotablePrimary and study completion dates: Aug 2015 to Aug 2016Site contacts updated at 1 of 27 sitesv20Show 1 more changeShow less
Site contacts updated at 1 of 27 sites
NotablePrimary and study completion dates: Aug 2014 to Aug 2015Eligibility criteria expanded, about 22 words · Study description expanded, about 8 words · Site details revised at 27 of 27 sitesv19Show 3 more changesShow less
NotablePrimary and study completion dates: Aug 2013 to Aug 2014v18
MinorEnrollment target: 1100 to 1500Study sites: 32 to 27 · Eligibility criteria revised · Study description shortened, about 1 wordv17Show 3 more changesShow less
MinorEnrollment target: 990 to 1100Primary completion date: Aug 2013 · Completion date: Aug 2008 to Aug 2013 · Site contacts updated at 7 of 32 sitesv12Show 3 more changesShow less
Primary completion date: Aug 2013
Completion date: Aug 2008 to Aug 2013
Site contacts updated at 7 of 32 sites
NotableLead sponsor: National Institute of Neurological Disorders and Stroke (NINDS) to University of IowaCollaborators expanded, about 8 wordsv11Show 1 more changeShow less
MinorCompletion date: Aug 2008Site contacts updated at 1 of 32 sitesv10Show 1 more changeShow less
Site contacts updated at 1 of 32 sites
MinorSite contacts updated at 4 of 32 sitesv9
MinorEnrollment target: 925 to 990Site contacts updated at 2 of 32 sitesv8Show 1 more changeShow less
Site contacts updated at 2 of 32 sites
MinorEnrollment target: 900 to 925v7
MinorEnrollment target: 650 to 900Study sites: 25 to 32v6Show 1 more changeShow less
Study sites: 25 to 32
Minor3 versionsRe-verified since Nov 7, 2005, no change to tracked fieldsv3-v5
MinorSite contacts updated at 3 of 25 sitesv2
MinorStudy First Submitted
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 trial is to study early brain and behavioral changes in people who have the gene expansion for Huntington's disease, but are currently healthy and have no symptoms.
Trial Details
NCT Number
NCT00051324
Lead Sponsor
Jordan Schultz Collaborators: National Institute of Neurological Disorders and Stroke (NINDS)