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StoppedTrial terminatedSponsor's reason: Business decision.
Final enrollment: 105 participants (planned 260)
Study completion date changed from estimate of Oct 14, 2026 to Oct 2, 2026
MinorStudy sites: 139 to 141
Eligibility criteria expanded, about 26 words
Secondary endpoints: details revised at 5 of 12 entries
MinorEnrollment closed, study ongoing
Primary completion date changed from estimate of Jul 21, 2027 to Jul 30, 2026
Study completion moved earlier from May 23, 2029 to Oct 14, 2026
Site details revised at 139 of 139 sites
v23
MinorStudy sites: 138 to 139v22
MinorStudy sites revised (138)v21
MinorTrial sites expanded: 135 → 138 locationsv20
MinorStudy sites: 134 to 135v19
MinorEligibility criteria expanded, about 1 wordv18
MinorStudy sites: 133 to 134
Eligibility criteria expanded, about 20 words
v17
MinorStudy sites: 123 to 133v16
MinorStudy sites: 119 to 123v15
MinorStudy sites revised (119)v14
MinorStudy sites: 118 to 119
Secondary endpoints: details revised at 3 of 12 entries
v13
MinorStudy sites: 115 to 118v12
MinorStudy sites: 111 to 115
Eligibility criteria expanded, about 4 words
v11
MinorStudy sites: 100 to 111v10
MinorStudy sites: 94 to 100v9
MinorStudy sites: 76 to 94v8
MinorStudy sites: 65 to 76v7
MinorStudy sites: 46 to 65v6
MinorStudy sites: 19 to 46v5
MinorStudy sites: 4 to 19v4
MinorStudy sites: 2 to 4v3
NotableTrial status: Not Yet Recruiting to Recruitingv2Show 4 more changesShow less
Primary completion date: Mar 16, 2025 to Jul 21, 2027
Study sites: 0 to 2
Study completion date: May 22, 2029 to May 23, 2029
Start date changed from estimate of Nov 19, 2024 to Dec 10, 2024
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Stopped: an ongoing trial was terminated, suspended or withdrawn.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.
This is a phase 2, multinational, multicenter, randomized, double-blind, placebo-controlled, dose ranging study to evaluate the efficacy and safety of SAR441566 in adults with moderate to severe Crohn's Disease (CD). The primary objective of this study is to assess the efficacy of different doses of SAR441566 compared with placebo in participants with moderate to severe CD.
This study will have an anticipated duration of up to 59 weeks which will include a screening period of 4 weeks (+7 calendar days if needed), followed by the Main Study (MS) treatment period, lasting 52 weeks, and a 2-week follow-up period after end of treatment for participants not enrolling in the Long Term Safety (LTS) study. The MS period includes a Double-Blind (DB) treatment period with 12 weeks of induction followed by 40 weeks of maintenance.
Additionally, an Open Label (OL) period of up to 40 weeks will be offered to eligible participants. The combined duration of the DB maintenance and OL periods cannot exceed 40 weeks, depending on when participants switch.