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A parallel-group treatment, Phase 2, double-blind, placebo controlled study to evaluate the efficacy and safety of SAR444656 in adult participants with moderate to severe hidradenitis suppurativa.

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-504328-25-00
Acronym
ACT17841
Enrollment
208
Registered
2023-11-28
Start date
2023-12-27
Completion date
2025-06-23
Last updated
2025-07-03

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

Conditions

hidradenitis suppurativa

Brief summary

Percent change from baseline in total abscess and inflammatory nodule (AN) count

Detailed description

Proportion of participants achieving Hidradenitis Suppurativa Clinical Response 50 (HiSCR 50), Proportion of participants achieving AN count ≤2, Absolute change from baseline in International Hidradenitis Suppurativa Severity Score System (IHS4), Proportion of participants with improvement from baseline in Hurley Stage, Proportion of participants achieving AN50 (at least 50% reduction in the AN count relative to baseline), Change from baseline in participants reported daily worst pain using HS-Skin Pain-Numerical Rating Scale (HS-Skin Pain-NRS), Proportion of participants achieving improvement defined as at least 30% redaction and at least 1 unit reduction in participant daily worst pain using HS-Skin pain-NRS, Change from baseline in the amount of analgesic, Incidence of treatment-emergent adverse events (TEAEs), serious adverse events (SAEs), and adverse events of special interest (AESIs), investigational medicinal product (IMP) discontinuation due to TEAEs, Plasma SAR444656 concentration

Interventions

DRUGMatched Placebo

Sponsors

Sanofi-Aventis Recherche & Developpement
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Percent change from baseline in total abscess and inflammatory nodule (AN) count

Secondary

MeasureTime frame
Proportion of participants achieving Hidradenitis Suppurativa Clinical Response 50 (HiSCR 50), Proportion of participants achieving AN count ≤2, Absolute change from baseline in International Hidradenitis Suppurativa Severity Score System (IHS4), Proportion of participants with improvement from baseline in Hurley Stage, Proportion of participants achieving AN50 (at least 50% reduction in the AN count relative to baseline), Change from baseline in participants reported daily worst pain using HS-Skin Pain-Numerical Rating Scale (HS-Skin Pain-NRS), Proportion of participants achieving improvement defined as at least 30% redaction and at least 1 unit reduction in participant daily worst pain using HS-Skin pain-NRS, Change from baseline in the amount of analgesic, Incidence of treatment-emergent adverse events (TEAEs), serious adverse events (SAEs), and adverse events of special interest (AESIs), investigational medicinal product (IMP) discontinuation due to TEAEs, Plasma SAR444656 concentr

Countries

Germany, Greece, Poland, Spain

Outcome results

None listed

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