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A phase 2b, multicenter, double-blind, placebo-controlled, study to evaluate the efficacy, safety, pharmacokinetics, and pharmacodynamics of obefazimod in subjects with moderately to severely active Crohn’s disease

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-508234-34-00
Acronym
ABX464-202
Enrollment
161
Registered
2025-01-08
Start date
2025-01-27
Completion date
Unknown
Last updated
2025-09-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Crohn's disease

Brief summary

For induction and maintenance phase: change from baseline in CDAI score at Week 12 and Week 52.

Detailed description

For Induction and Maintenance phase: (efficacy) Change from baseline in SES-CD at Week 12 and at Week 52 respectively., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with endoscopic response at Week 12 and at Week 52 respectively., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with no SES-CD ulcer subscore > 1 in at least one segment at Week 12 and at Week 52 respectively., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with CDAI clinical remission at Week 12 and at Week 52 respectively., For Maintenance phase: (efficacy) Proportion of subjects with sustained CDAI clinical remission at Week 52., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with PRO-2 clinical remission at Week 12 and at Week 52 respectively., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with CDAI clinical response at Week 12 and at Week 52 respectively., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with PRO-2 clinical response at Week 12 and at Week 52 respectively, For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with CDAI clinical response and endoscopic response at Week 12 and at Week 52 respectively, For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with endoscopic remission at Week 12 and at Week 52 respectively, For Induction phase, Maintenance and Extension phase: Safety Incidence of all treatment-emergent adverse events (TEAEs), causally related TEAEs, all serious adverse events (SAE) and causally related SAEs., For Induction, Maintenance and Extension phase: Safety, Incidence of AEs leading to discontinuation, For Induction, Maintenance and Extension phase: (safety) incidence of adverse events of special interest (AESIs), For Induction, Maintenance and Extension phase: (safety) Incidence and severity of laboratory abnormalities and change from baseline in laboratory values, For Induction, Maintenance and Extension phase: PK, Obefazimod and ABX464-N-Glu plasma concentrations at baseline and at specified timepoints during Induction, Maintenance and Extension and PK parameters as determined by population PK analysis

Interventions

DRUGABX464
DRUGPlacebo for the 12.5 mg
DRUG50 mg and 25mg ABX464 hard capsules.

Sponsors

Abivax
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
For induction and maintenance phase: change from baseline in CDAI score at Week 12 and Week 52.

Secondary

MeasureTime frame
For Induction and Maintenance phase: (efficacy) Change from baseline in SES-CD at Week 12 and at Week 52 respectively., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with endoscopic response at Week 12 and at Week 52 respectively., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with no SES-CD ulcer subscore > 1 in at least one segment at Week 12 and at Week 52 respectively., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with CDAI clinical remission at Week 12 and at Week 52 respectively., For Maintenance phase: (efficacy) Proportion of subjects with sustained CDAI clinical remission at Week 52., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with PRO-2 clinical remission at Week 12 and at Week 52 respectively., For Induction phase and Maintenance phase: (efficacy) Proportion of subjects with CDAI clinical response at Week 12 and at Week 52 respectively., For Inducti

Countries

Belgium, Czechia, France, Germany, Hungary, Italy, Netherlands, Poland, Romania, Slovakia, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026