2025-04-09
minor
Study Status, Oversight, Contacts/Locations v30
Study sitescontacts updated at 1 of 4 sites
2023-07-21
minor
Study Status, Study Design, Contacts/Locations v27
Enrollment target40000→60000
Study sites20→4
Show 24 earlier versions
2019-06-18
minor
Study Status v24
Re-verified, no change to tracked fields
2017-06-13
minor
Study Status, Study Design, Contacts/Locations v23
Enrollment target35000→40000
Study sitesdetails revised at 1 of 55 sites
2017-02-15
minor
Study Status, Study Design v22
Primary completion date2017-01→2022-01
2016-10-24
minor
Study Status v21
Re-verified, no change to tracked fields
2016-01-26
minor
Study Status, Study Design v20
Enrollment target20000→35000
2015-07-27
minor
12 amendments v8-v19
12 re-verifications since 2013-03-30, no change to tracked fields
2013-03-24
minor
Study Status, Study Design, Contacts/Locations v7
Enrollment target15000→20000
2012-09-25
minor
Study Status, Contacts/Locations v6
Re-verified, no change to tracked fields
2012-02-14
minor
Study Status, Sponsor/Collaborators, Contacts/Locations v5
Primary completion date2012-01→2017-01
Completion date2015-01→2022-01
Collaborators+29 characters
National Marrow Donor Program
2011-09-14
minor
2 amendments v3-v4
2 re-verifications since 2011-03-17, no change to tracked fields
2009-04-30
minor
Study Status, Study Design, Contacts/Locations, References v2
Enrollment target10000→15000
2008-11-12
minor
Study Status, References v1
Re-verified, no change to tracked fields