Primary completion date changed from estimate of Jul 2026 to May 4, 2026
Secondary endpoints: details revised at 3 of 3 entries
Study description revised
Site details revised at 4 of 53 sites
Eligibility criteria expanded, about 5 words
MinorPrimary and study completion dates: Jun 2026 to Jul 2026v17
MinorPrimary and study completion dates: Apr 2026 to Jun 2026v16
MinorStudy sites: 52 to 53v15
MinorRe-verified, no change to tracked fieldsv14
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MinorPrimary and study completion dates: Dec 2025 to Apr 2026v13
MinorEnrollment target: 432 to 427v12
MinorEnrollment target: 400 to 432v11
MinorTrial status: Recruiting to Active, Not Recruiting
Study sites: 54 to 52
v10
MinorEnrollment target: 300 to 400
Study sites: 55 to 54
v9
MinorStudy description expanded, about 138 words
Site details revised at 7 of 55 sites
v8
MinorPrimary and study completion dates: Sep 2026 to Dec 2025
Site details revised at 27 of 55 sites
v7
MinorStudy sites: 56 to 55v6
MinorStudy sites: 92 to 56v5
MinorStudy sites: 95 to 92v4
NotablePrimary and study completion dates: Sep 2025 to Sep 2026
Study sites: 88 to 95
v3
NotableTrial status: Not Yet Recruiting to Recruiting
Study sites: 0 to 88
Start date changed from estimate of Mar 2020 to Mar 30, 2020
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.
This is a 48-month observational, prospective, multicentre study. The overall aim of the study is to evaluate the long-term effectiveness of Elocta treatment on joint health in patients treated prophylactically with Elocta in a real-world setting.