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RP1

Phase 2

Non-Small Cell Lung Cancer (NSCLC) | Monoclonal antibody | Oncology |Replimune Group, Inc.|Last Updated: Feb 13, 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
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment340
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03767348Study of RP1 Monotherapy and RP1 in Combination With Nivolumab (IGNYTE)PHASE2 ACTIVE NOT_RECRUITING 340Sep 20, 2017Dec 1, 2028Feb 13, 202651 United States, France +3
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Study Endpoints
Primary Endpoints
Percentage of adverse events (AEs)
26 months

Percentage of subjects with adverse events (AEs)

Percentage of serious adverse events (SAEs)
26 months

Percentage of subjects with serious adverse events (SAEs)

Percentage of dose limiting toxicities (DLTs)
26 months

Percentage of subjects with dose limiting toxicities (DLTs)

Percentage of overall response rate (ORR)
26 months

Percentage of overall response rate (ORR) for all participants

Maximum tolerated dose (MTD) and recommended Phase 2 dose (RP2D) of RP1
20 weeks

Assess the maximum tolerated dose (MTD) and recommended Phase 2 dose (RP2D) of RP1 based on the safety and response data collected during Phase 1 Escalation

Secondary Endpoints
Percentage of biologic activity
20 weeks
Percentage subjects with detectable RP1
20 weeks
Percentage of complete response (CR)
26 months
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Dose escalation of RP1 by intratumoral (IT) injection in superficial tumorsEXPERIMENTALanti-PD-1 monoclonal antibody
Dose escalation of RP1 by intratumoral (IT) injection in deep/visceral tumorsEXPERIMENTALDose escalation of RP1 alone in 3 cohorts with IT injections in superficial tumors
Dose expansion of RP1 and nivolumab (IV) in superficial tumorsEXPERIMENTALDose escalation of RP1 alone in 3 cohorts with IT injections in superficial tumors
Dose expansion of RP1 and nivolumab (IV) in deep/visceral tumorsEXPERIMENTALDoses of RP1 (IT) in deep/visceral tumors with nivolumab (IV)
RP1 (IT) and nivolumab (IV) in melanomaEXPERIMENTALDoses of RP1 (IT) in superficial or deep tumors with nivolumab (IV) in subjects with melanoma
RP1 (IT) and nivolumab (IV) in MSI-H/dMMR solid tumorsEXPERIMENTALDoses of RP1 (IT) in superficial or deep tumors with nivolumab (IV) in subjects with MSI-H or dMMR solid tumors
RP1 (IT) and nivolumab (IV) in NMSCEXPERIMENTALDoses of RP1 (IT) in superficial or deep tumors with nivolumab (IV) in subjects with non-melanoma skin cancer
RP1(IT) and nivolumab (IV) in anti-PD1 Failed Cutaneous MelanomaEXPERIMENTALDoses of RP1 (IT) in superficial or deep tumors with nivolumab (IV) in subjects with cutaneous melanoma who have been previously treated with anti-PD1 therapy
RP1(IT) and nivolumab (IV) in anti-PD1/PD-L1 Failed NMSCEXPERIMENTALDoses of RP1 (IT) in superficial or deep tumors with nivolumab (IV) in subjects with non-melanoma skin cancer who have been previously treated with anti-PD1/PD-L1 therapy
RP1(IT) and nivolumab (IV) in anti-PD1/PD-L1 Failed NSCLCEXPERIMENTALDoses of RP1 (IT) in superficial or deep tumors with nivolumab (IV) in subjects with non small cell lung cancer who have been previously treated with anti-PD1/PD-L1 therapy
Interventions
NameTypeDescription
RP1BIOLOGICALGenetically modified herpes simplex type 1 virus
nivolumabBIOLOGICALanti-PD-1 monoclonal antibody
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites51

Key Inclusion Criteria: * Have an Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0-1. * At least one measurable and injectable lesion * Have provided a former tumor pathology specimen or be willing to supply a new tumor sample from a biopsy * Have a predicted life expectancy of ≥...

Countries:United StatesFranceGermanySpainUnited Kingdom
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT03767348primaryCompletionDate: changed
LOWMay 24, 2026NCT03767348studyFirstPostDate: changed