Secondary endpoints: details revised at 6 of 9 entries
Publications: details revised at 5 of 5 entries
MinorStudy sites: 22 to 23v25
MinorTrial sites expanded: 19 → 22 locationsv24
MinorTrial sites expanded: 8 → 19 locationsv23
MinorTrial sites reduced: 17 → 8 locationsv22
MinorRe-verified, no change to tracked fieldsv21
MinorStudy sites: 16 to 17v20
MinorRe-verified, no change to tracked fieldsv19
NotableEnrollment target: 263 to 173
Study sites: 12 to 16
v18
MinorSite details revised at 4 of 12 sitesv17
MinorStudy sites: 11 to 12v16
MinorPrimary and study completion dates: Sep 3, 2039 to Feb 25, 2040v15
MinorStudy sites: 6 to 11v14
NotablePrimary and study completion dates: Apr 8, 2038 to Sep 3, 2039
Site details revised at 2 of 6 sites
v13
MinorSite details revised at 1 of 6 sitesv12
MinorPrimary and study completion dates: Jan 29, 2038 to Apr 8, 2038v11
MinorStudy sites: 5 to 6
Primary and study completion dates: Jan 6, 2038 to Jan 29, 2038
v10
MinorStudy sites: 4 to 5
Primary and study completion dates: Nov 14, 2037 to Jan 6, 2038
v9
MinorStudy sites: 3 to 4v8
NotablePhase: Not specified to Phase 3
Enrollment target: 250 to 263
Study sites: 2 to 3
Study title shortened, about 2 words
v7
MinorStudy sites: 1 to 2v6
Minor2 versionsRe-verified since Mar 16, 2023, no change to tracked fieldsv4-v5
MinorPrimary and study completion dates: Oct 19, 2037 to Nov 14, 2037
Start date changed from estimate of Jan 13, 2023 to Dec 28, 2022
v3
NotableTrial status: Not Yet Recruiting to Recruiting
Primary and study completion dates: Sep 7, 2034 to Oct 19, 2037
Start date: Oct 31, 2022 to Jan 13, 2023
Study sites: 0 to 1
v2
MinorStudy 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.
A study to learn about the long-term safety and efficacy of giroctocogene fitelparvovec or fidanacogene elaparvovec in patients with hemophilia A or hemophilia B respectively, who have received treatment through prior participation in a Pfizer-sponsored clinical trial. Data collection and participant visits will be based on standard of care.