NCT04735978

An Open-Label, Multicenter, Phase 1 Study of RP3 as a Single Agent and in Combination With PD-1 Blockade in Patients With Solid Tumors

Study Summary

This is a Phase 1, multicenter, open label, single agent dose escalation and combination treatment study of RP3 in adult participants with advanced solid tumors, to evaluate the safety and tolerability of RP3 both as a single agent and in combination with anti-PD1 therapy and to determine the recommended Phase 2 dose (RP2D) of RP3.

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Interventions

RP3BIOLOGICAL
Genetically modified HSV-1
NivolumabBIOLOGICAL
anti-PD1 monoclonal antibody

Study Locations

FacilityCityStateCountry
University of IowaIowa CityIowaUnited States
UPMC Hillman Cancer CenterPittsburghPennsylvaniaUnited States
MD Anderson Cancer CenterHoustonTexasUnited States
Laboratoire de Recherche Translationnelle en Immunotherapie (LRTI), Gustave RoussyVillejuifFrance
University of AthensAthensGreece
University General Hospital AttikonAthensGreece
Vall d'Hebron Hospital Hospital Universitario Vall d“Hebron (Vall d'Hebron University Hospital)BarcelonaSpain
Hospital Clinic BarcelonaBarcelonaSpain
START Madrid CIO Clara Campal, Hospital Universitario HM Sanchinarro Unidad de Ensayos Fase I Panta 3MadridSpain
Hospital Clinico Universitario de ValenciaValenciaSpain
The Clatterbridge Cancer Centre NHS Foundation TrustBebingtonMerseysideUnited Kingdom
The Royal Marsden NHS Foundation TrustLondonUnited Kingdom
Churchill HospitalOxfordUnited Kingdom

Official Trial Information

View on ClinicalTrials.gov

Data sourced from ClinicalTrials.gov. Last updated: April 14, 2026