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StoppedTrial terminatedSponsor's reason: Due to recruitment challenges during the trial, this study was terminated early by the Sponsor.Primary endpoint(s) modified · Sponsor changed: Grifols Biologicals, LLC to Instituto Grifols, S.A. · Results posted: Oct 7, 2026 · 7 moreShow all 11 changesShow less
Primary endpoint(s) modified
Sponsor changed: Grifols Biologicals, LLC to Instituto Grifols, S.A.
Results posted: Oct 7, 2026
Start date: Jan 2006 to Apr 15, 2008
Final enrollment: 3 participants (planned 30)
Primary completion date changed from estimate of Dec 2028 to Dec 2011
Study completion date changed from estimate of Mar 2029 to Dec 16, 2011
Eligibility criteria expanded, about 19 words
Secondary endpoints shortened, about 29 words
Study description expanded, about 4 words
MinorRe-verified, no change to tracked fieldsv17
MinorStudy title revisedEligibility criteria shortened, about 1 word · Study description expanded, about 1 wordv16Show all 3 changesShow less
Minor2 versionsRe-verified since Apr 9, 2019, no change to tracked fieldsv14-v15
NotablePrimary completion date: Dec 2018 to Dec 2028Trial status: Recruiting to Active, Not Recruiting · Study sites: 2 to 0 · Completion date: Mar 2019 to Mar 2029v13Show all 4 changesShow less
Trial status: Recruiting to Active, Not Recruiting
Study sites: 2 to 0
Completion date: Mar 2019 to Mar 2029
Show 11 earlier versionsHide 11 earlier versions
MinorRe-verified, no change to tracked fieldsv12
NotablePrimary completion date: Dec 2017 to Dec 2018Completion date: Mar 2018 to Mar 2019v11Show all 2 changesShow less
Completion date: Mar 2018 to Mar 2019
MinorStudy sites: 3 to 2v10
Minor3 versionsRe-verified since Sep 6, 2011, no change to tracked fieldsv7-v9
NotablePrimary completion date: Dec 2012 to Dec 2017Study sites: 5 to 3 · Completion date: Jan 2013 to Mar 2018v6Show all 3 changesShow less
Study sites: 5 to 3
Completion date: Jan 2013 to Mar 2018
MinorRe-verified, no change to tracked fieldsv5
NotablePrimary completion date: Dec 2010 to Dec 2012Completion date: Dec 2010 to Jan 2013 · Study arms: 0 to 1v4Show all 3 changesShow less
Completion date: Dec 2010 to Jan 2013
Study arms: 0 to 1
MinorStudy sites: 1 to 5v3
MinorPrimary completion date: Dec 2010Completion date: Dec 2007 to Dec 2010 · Secondary endpoints: details revised at 1 of 1 entryv2Show all 3 changesShow less
Completion date: Dec 2007 to Dec 2010
Secondary endpoints: details revised at 1 of 1 entry
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.
To assess the safety, pharmacokinetics and efficacy of a plasma-derived AT-III concentrate in the treatment of subjects with congenital AT-III deficiency.