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Cemiplimab-Rwlc

Phase 1

Merkel Cell Carcinoma | Small molecule | Oncology |Sanofi|Last Updated: May 27, 2026

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
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment36
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04975152Neoadjuvant Cemiplimab in Newly Diagnosed or Recurrent Stage I-II Merkel Cell Carcinoma and Locoregionally Advanced Cutaneous Squamous Cell CarcinomaPHASE1 RECRUITING 36Oct 22, 2021Mar 1, 2028May 27, 20261 United States
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Study Endpoints
Primary Endpoints
Number of Participants With Adverse Events Related to Study Treatment
Beginning of treatment to end of follow up, up to 3 years

Number of participants with adverse events after receiving at least one dose of cemiplimab

Secondary Endpoints
Relapse Free Survival
Up to 3 years
Overall Survival
Up to 3 years
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Neoadjuvant Cemiplimab TreatmentEXPERIMENTALParticipants will receive cemiplimab 350 mg IV at least 3 weeks prior to surgical resection. After surgery they will continue to receive 350 mg cemiplimab every 3 weeks for up to 8 additional doses.
Interventions
NameTypeDescription
Cemiplimab-RwlcDRUGFlat dose of cemiplimab-rwlc 350 mg IV every 3 weeks, up to 9 cycles.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Histologically proven diagnosis of Merkel cell carcinoma (MCC). * Clinical stage I-II MCC (AJCC 8th edition) either newly diagnosed or previously diagnosed with recent disease recurrence. This includes patients with a previous diagnosis of clinical Stage I-II who present with ...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 28, 2026NCT04975152Status: ACTIVE_NOT_RECRUITING → RECRUITING
LOWMay 28, 2026NCT04975152Status: ACTIVE_NOT_RECRUITING → RECRUITING
LOWMay 26, 2026NCT04975152primaryCompletionDate: changed
LOWMay 24, 2026NCT04975152studyFirstPostDate: changed