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SAR443122

Phase 2

Cutaneous Lupus Erythematosus | Small molecule | Immunology |Sanofi|Last Updated: Aug 27, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment78
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04781816Proof of Concept Study of SAR443122 in Patients With Cutaneous Lupus ErythematosusPHASE2 COMPLETED 78Apr 1, 2021Jun 26, 2023Aug 27, 202550 United States, Argentina +13
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Study Endpoints
Primary Endpoints
Percent Change From Baseline in Cutaneous Erythematosus Disease Area and Severity Index - Activity (CLASI-A) Sub-Score at Week 12
Baseline (Day 1) and Week 12

The CLASI is a clinician rated scale designed to assess the disease activity and damage in CLE in adults. It is composed of 56 items covering 2 dimensions: the disease activity (CLASI-A) and the disease damage (CLASI-D). CLASI-A disease activity covers the domains: erythema, scale/hypertrophy, recent hair loss/alopecia, and mucous membrane lesions. CLASI-A sub-score ranges for 0 to 70, where 0-9 indicates mild disease, 10-20 indicates moderate disease, and 21-70 indicates severe disease. Higher score indicates a more severe skin disease. Baseline was defined as the Day 1 assessment value.

Secondary Endpoints
Percentage of Participants With Physician's Global Assessment of Disease Activity (PhysGA- Disease Activity) of 0 or 1 (Disease Free or Almost Disease Free) at Week 12
Week 12
Change From Baseline in Participants Reported Daily Worst Itch Using Peak Pruritus Numerical Rating Scale (Itch-NRS) at Week 12
Baseline (Day 1) and Week 12
Change From Baseline in Participants Reported Daily Worst Pain Using Peak Pain Numerical Rating Scale (Pain-NRS) at Week 12
Baseline (Day 1) and Week 12
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
SAR443122EXPERIMENTALSAR443122 for 12 weeks
PlaceboPLACEBO_COMPARATORMatching placebo
Interventions
NameTypeDescription
SAR443122DRUGPharmaceutical form: Capsule Route of administration: Oral
PlaceboDRUGPharmaceutical form: Capsule Route of administration: Oral
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Eligibility Criteria
Age Range18 Years — 80 Years
SexALL
Healthy VolunteersNo
Study Sites50

Inclusion criteria : * Participants with cutaneous lupus erythematosus either in the form of discoid/chronic cutaneous lupus erythematosus or subacute cutaneous lupus erythematosus for at least 3 months before Screening. * Participants with histologically confirmed and documented diagnosis within o...

Countries:United StatesArgentinaAustraliaCanadaChileCzechiaHungaryIndiaItalyMexicoPolandRussiaSpainUkraineUnited Kingdom
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