Record status 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.
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NotableLead sponsor: University of Iowa to Jordan Schultz
Primary and study completion dates: Jun 30, 2024 to Jun 30, 2025
v27
NotablePrimary and study completion dates: Mar 31, 2023 to Jun 30, 2024
Trial status: Recruiting to Active, Not Recruiting
Site details revised
v26
NotableLead sponsor: Jane S. Paulsen to University of Iowav25
NotableLead sponsor: University of Iowa to Jane S. Paulsenv24Show 4 more changesShow less
Trial status: Active, Not Recruiting to Recruiting
Primary and study completion dates pushed to Mar 31, 2023
Enrollment target: 1500 to 1700
Study sites: 0 to 1
NotablePrimary endpoints revised (3)
Study sites: 27 to 0
Primary completion date changed from estimate of Aug 2017 to Aug 31, 2017
Study completion date: Aug 2017 to Dec 2018
v23
Show 21 earlier versionsHide 21 earlier versions
NotablePrimary and study completion dates: Aug 2016 to Aug 2017v22
MinorTrial status: Recruiting to Active, Not Recruiting
Site details revised at 27 of 27 sites
v21
NotablePrimary and study completion dates: Aug 2015 to Aug 2016
Site contacts updated at 1 of 27 sites
v20
NotablePrimary and study completion dates: Aug 2014 to Aug 2015
Eligibility criteria expanded, about 22 words
Study description expanded, about 8 words
Site details revised at 27 of 27 sites
v19
NotablePrimary and study completion dates: Aug 2013 to Aug 2014v18
MinorEnrollment target: 1100 to 1500
Study sites: 32 to 27
Eligibility criteria revised
Study description shortened, about 1 word
v17
Re-verified, no change to tracked fieldsv16
MinorSite contacts updated at 5 of 32 sitesv15
Re-verified, no change to tracked fieldsv14
MinorSite details revised at 1 of 32 sitesv13
MinorEnrollment target: 990 to 1100
Primary completion date: Aug 2013
Study completion date: Aug 2008 to Aug 2013
Site contacts updated at 7 of 32 sites
v12
NotableLead sponsor: National Institute of Neurological Disorders and Stroke (NINDS) to University of Iowa
Collaborators expanded, about 8 words
v11
MinorStudy completion date: Aug 2008
Site contacts updated at 1 of 32 sites
v10
MinorSite contacts updated at 4 of 32 sitesv9
MinorEnrollment target: 925 to 990
Site contacts updated at 2 of 32 sites
v8
MinorEnrollment target: 900 to 925v7
MinorEnrollment target: 650 to 900
Study sites: 25 to 32
v6
3 versionsRe-verified since Nov 7, 2005, no change to tracked fieldsv3-v5
MinorSite contacts updated at 3 of 25 sitesv2
Study First Submitted
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)