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Ris-Rez

Phase 3

Neoplasms, Lung | Monoclonal antibody | Oncology |GSK plc|Last Updated: Jul 15, 2026

Success Probability
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Trial Design
RandomizedACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment420
FDA Designations
No designations recorded
Clinical trial landscape

Ris-Rez · 4 trials · 4 indications

Phase 3 1Phase 1 3
NCT07099898A Study of GSK5764227 in Participants With Relapsed Small Cell Lung Cancer (SCLC)Neoplasms, Lung
RECRUITING420 Analytics
PHASE3RECRUITING
A Study of GSK5764227 in Participants With Relapsed Small Cell Lung Cancer (SCLC)
Neoplasms, LungUnlock trial analytics
Study Endpoints
Primary Endpoints
Overall Survival (OS)
Up to approximately 113 weeks

OS is defined as the time from the date of randomization to the date of death by any cause

Confirmed Objective Response Rate (cORR)
Up to approximately 143 weeks

cORR is defined as the proportion of participants who have confirmed Complete Response (CR) or Partial Response (PR), assessed by the investigator according to Response Evaluation Criteria in Solid Tumors (RECIST) version (v) 1.1

Number of participants with Adverse events (AEs), Serious Adverse Events (SAEs) and Adverse events of special interest (AESIs) by severity
Up to approximately 143 weeks
Number of participants with AEs leading to dose modifications or study intervention discontinuation
Up to approximately 130 weeks
Number of participants with changes in safety parameters
Up to approximately 143 weeks

Number of participants will be assessed

Number of participants with Dose Limiting Toxicities (DLT)
Up to 21 days
Number of participants with a change from baseline in vital signs
Baseline (Day -1) and up to approximately 143 weeks

Number of participants will be assessed

Number of participants with a change from baseline in body weight
Baseline (Day -1) and up to approximately 143 weeks

Number of participants will be assessed

Number of participants with a change from baseline in laboratory parameters (hematology, clinical chemistry and urinalysis)
Baseline (Day -1) and up to approximately 143 weeks

Number of participants will be assessed

Number of participants with a change from baseline in cardiac function [Electrocardiogram (ECG) and Echocardiogram (ECHO)
Baseline (Day -1) and up to approximately 143 weeks

Number of participants will be assessed

Number of participants with a change from baseline in Eastern Cooperative Oncology Group (ECOG) performance status
Baseline (Day -1) and up to approximately 143 weeks

Number of participants will be assessed

Cohort 1: Progression free survival rate at Week18 (PFS18)
At Week 18

PFS is defined as the time from the date of randomization until the date of documented disease progression or death due to any cause, whichever occurs first, as assessed by the investigator according to Response Evaluation Criteria in Solid Tumors, version 1.1 (RECIST 1.1)

Cohort 1 & 2: Confirmed Objective Response Rate (ORR)
Up to approximately 98 weeks

Confirmed ORR is defined as the proportion of participants who have achieved a confirmed Complete Response (CR) or Partial Response PR as assessed by investigator, according to RECIST 1.1

Phase 1a: Number of participants with Adverse Events (AEs)
Up to approximately 28 months
Phase 1a: Number of participants with Dose Limiting Toxicities (DLTs)
Up to 21 days
Phase 1a: Number of participants with AEs, serious adverse events (SAEs) and adverse events of special interest (AESIs) by severity
Up to approximately 30 months
Phase 1a: Number of participants with AEs leading to dose modifications
Up to approximately 28 months
Phase 1a: Number of participants with changes in vital signs, body weight, laboratory tests, electrocardiogram (ECG) and Eastern Cooperative Oncology Group (ECOG) performance status
Up to approximately 28 months
Phase 1b: Confirmed Objective Response Rate (cORR)
Up to approximately 27 months

cORR is defined as the proportion of participants who have confirmed Complete response (CR) or Partial response (PR), assessed by the investigator according to Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST V1.1) criteria or other imaging criteria for defined tumor types.

Secondary Endpoints
Objective Response Rate (ORR)
Up to approximately 139 weeks
Duration of Response (DoR)
Up to approximately 139 weeks
Progression-free survival (PFS)
Up to approximately 139 weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Ris-RezEXPERIMENTAL -
TopotecanACTIVE_COMPARATOR -
Ris-Rez + IvonescimabEXPERIMENTAL -
Cohort 1A (Ris-Rez)EXPERIMENTAL -
Cohort 1B [Ris-Rez + Granulocyte-Colony Stimulating Factor (G-CSF)]EXPERIMENTAL -
Cohort 2 (Ris-Rez)EXPERIMENTAL -
Phase 1a- Dose escalation- MonotherapyEXPERIMENTAL -
Phase 1a- Dose escalation- Combination therapyEXPERIMENTAL -
Phase 1b- Dose optimisation- MonotherapyEXPERIMENTAL -
Phase 1b- Dose optimisation- Combination therapyEXPERIMENTAL -
Phase 1b- Dose expansion- MonotherapyEXPERIMENTAL -
Phase 1b- Dose expansion- Combination therapyEXPERIMENTAL -
Interventions
NameTypeDescription
Ris-RezBIOLOGICALRis-Rez will be administered
TopotecanDRUGTopotecan will be administered
IvonescimabBIOLOGICALIvonescimab will be administered
G-CSFBIOLOGICALG-CSF will be administered
CisplatinDRUGCisplatin will be administered
CarboplatinDRUGCarboplatin will be administered
AtezolizumabBIOLOGICALAtezolizumab will be administered
PembrolizumabBIOLOGICALPembrolizumab will be administered
DurvalumabBIOLOGICALDurvalumab will be administered
CetuximabBIOLOGICALCetuximab will be administered
BevacizumabBIOLOGICALBevacizumab will be administered
TarlatamabBIOLOGICALTarlatamab will be administered
DostarlimabBIOLOGICALDostarlimab will be administered
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Eligibility Criteria
Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites120

Inclusion Criteria: Participants are eligible to be included in the study only if all of the following criteria apply: * Adults \>18 or the minimum legal adult age at the time the informed consent form is signed * Has histologically or cytologically confirmed extensive-stage small cell lung cancer...

Countries:ArgentinaAustraliaBrazilBulgariaCanadaFinlandFranceGermanyGreeceHungaryIrelandIsraelItalyJapanMexicoPolandPortugalRomaniaSouth KoreaSpainSwedenSwitzerlandTurkey (Türkiye)United KingdomUnited StatesHong KongPanamaTaiwan
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Recent Changes (Last 90 Days)
LOWJul 15, 2026NCT07602777Status: NOT_YET_RECRUITING → RECRUITING
LOWJul 15, 2026NCT07602777Status: NOT_YET_RECRUITING → RECRUITING
LOWMay 28, 2026NCT07099898lastUpdatePostDate: changed
LOWMay 28, 2026NCT07099898lastUpdatePostDate: changed
MEDIUMMay 26, 2026NCT07099898primaryCompletionDate: changed
MEDIUMMay 26, 2026NCT06551142Enrollment: 590 → 845
LOWMay 24, 2026NCT07099898studyFirstPostDate: changed
LOWMay 24, 2026NCT06551142studyFirstPostDate: changed