A Study to Test the Safety and Effectiveness of GSK5764227, Alone or With Other Treatments, in Participants With Advanced Gastrointestinal Cancers That Cannot be Surgically Removed
A Phase 1b/2, Multicenter, Open-label Study to Evaluate the Efficacy and Safety of GSK5764227 Alone and in Combination in Participants With Previously Treated Advanced Unresectable or Metastatic Gastrointestinal Solid Tumors
2 other identifiers
interventional
320
14 countries
47
Brief Summary
This study will check how well a new medicine, GSK5764227, works, how safe it is and how the body handles it in participants all around the world with advanced inoperable or metastatic gastrointestinal cancer who have previously received treatment.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started Jun 2025
Typical duration for phase_1
47 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 13, 2025
CompletedFirst Posted
Study publicly available on registry
March 19, 2025
CompletedStudy Start
First participant enrolled
June 11, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 11, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 23, 2028
November 18, 2025
November 1, 2025
2.4 years
March 13, 2025
November 17, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Confirmed Objective Response Rate (ORR)
Confirmed ORR is defined as the proportion of participants who have achieved best overall response (BOR) of confirmed complete response (CR) or partial response (PR) as assessed by investigator, according to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1)
Up to approximately 22 months
Secondary Outcomes (30)
Unconfirmed ORR
Up to approximately 37 months
Duration of Response (DoR)
Up to approximately 37 months
Progression Free Survival (PFS)
Up to approximately 37 months
Number of participants with AEs, serious adverse events (SAEs) and adverse events of special interest (AESIs) by severity
Up to approximately 37 months
Number of participants with AEs leading to dose modifications, discontinuation of study interventions or death
Up to approximately 37 months
- +25 more secondary outcomes
Study Arms (5)
CRC-A: GSK5764227 (Dose 1)
EXPERIMENTALCRC-A: GSK5764227 (Dose 2)
EXPERIMENTALCRC-B: GSK5764227 (Dose 3)
EXPERIMENTALCRC-B: GSK5764227 (Dose 4)
EXPERIMENTALPDAC: GSK5764227 (Dose 5)
EXPERIMENTALInterventions
GSK5764227 will be administered
Eligibility Criteria
You may qualify if:
- Participants are eligible to be included in the study only if all of the following criteria apply:
- Is at least 18 or the legal age of consent in the jurisdiction in which the study is taking place years of age at the time of signing the informed consent form (ICF).
- CRC Cohort
- Has histologically confirmed unresectable/, locally advanced or unresectable metastatic adenocarcinoma of the colon or rectum (histology defined by World Health Organization (WHO) classification).
- Must have received at least 1 and no more than 2 lines of systemic treatment for advanced colorectal cancer (CRC), with documented progression on most recent prior line of therapy.
- Must provide tumor tissue from a newly obtained fresh biopsy or an archival tumor tissue.
- PDAC Cohort
- Has histologically or cytologically confirmed unresectable, locally advanced or metastatic adenocarcinoma of the pancreas (histology defined by WHO classification).
- Must have received 1 and no more than 1 line of therapy for advanced PDAC, with documented progression.
- Should provide tumor tissue at screening, where available or medically feasible.
- All Cohorts
- Has at least 1 target lesion per RECIST 1.1, as determined by the investigator.
- Is willing to use adequate contraception.
- Is capable of giving signed informed consent, including compliance with the requirements and restrictions listed in the ICF and in the protocol.
- Has an ECOG performance status of 0 or 1.
- +1 more criteria
You may not qualify if:
- Participants are excluded from the study if any of the following criteria apply:
- Has a malignancy (except disease under study) that has progressed or required active treatment within the past 24 months except for basal cell or squamous cell carcinomas of the skin or in-situ carcinomas \[e.g., breast, cervix, bladder\] that have been resected with no evidence of disease.
- Has had any major surgery within 28 days prior to randomization (CRC Cohort) or first dose of study intervention (PDAC Cohort).
- Has any history of prior allogenic or autologous bone marrow transplant or other solid organ transplant.
- Has known sensitivity to study intervention components or excipients or other allergy that, in the opinion of the investigator or medical monitor, contraindicates participation in the study.
- Has severe, uncontrolled or active cardiovascular disorders.
- Has serious or poorly controlled hypertension.
- Has clinically significant bleeding symptoms or significant bleeding tendency within 1 month prior to the first dose.
- Has serious infection within 4 weeks prior to the first dose.
- Known active infectious diseases requiring systemic treatment or known Human immunodeficiency virus (HIV).
- Has serious arteriovenous thromboembolic events (such as deep vein thrombosis, pulmonary embolism, etc.) within 3 months prior to the first dose.
- Has untreated brain or Central nervous system (CNS) metastases or brain/CNS metastases that have progressed.
- Has current active pneumonitis or any history of pneumonitis requiring steroids or immunomodulatory treatment within 90 days of planned \[randomization\] or any history of drug-induced pneumonitis.
- Has a history of autoimmune disease that has required systemic treatments in the 2 years prior to screening.
- Has any active renal condition (e.g., infection, requirement for dialysis, or any other significant renal condition that could affect the participant's safety).
- +12 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- GlaxoSmithKlinelead
Study Sites (47)
GSK Investigational Site
Los Alamitos, California, 90720, United States
GSK Investigational Site
Whittier, California, 90602, United States
GSK Investigational Site
New York, New York, 10065, United States
GSK Investigational Site
Durham, North Carolina, 27710, United States
GSK Investigational Site
Houston, Texas, 77479, United States
GSK Investigational Site
San Antonio, Texas, 78229, United States
GSK Investigational Site
Wenatchee, Washington, 98801, United States
GSK Investigational Site
Heidelberg, Victoria, 3084, Australia
GSK Investigational Site
Melbourne, Victoria, 3000, Australia
GSK Investigational Site
Bonheiden, 2820, Belgium
GSK Investigational Site
Brussels, 1200, Belgium
GSK Investigational Site
Leuven, 3000, Belgium
GSK Investigational Site
Roeselare, 8800, Belgium
GSK Investigational Site
Porto Alegre, 90850-170, Brazil
GSK Investigational Site
São Paulo, 01246-000, Brazil
GSK Investigational Site
Teresina, 64049-200, Brazil
GSK Investigational Site
Toronto, Ontario, M5G 2M9, Canada
GSK Investigational Site
Sherbrooke, Quebec, J1H 5N4, Canada
GSK Investigational Site
Paris, 75010, France
GSK Investigational Site
Paris, 75012, France
GSK Investigational Site
Villejuif, 94805, France
GSK Investigational Site
Pisa, 56126, Italy
GSK Investigational Site
Aichi, 464-8681, Japan
GSK Investigational Site
Chiba, 277-8577, Japan
GSK Investigational Site
Hokkaido, 060-8648, Japan
GSK Investigational Site
Osaka, 565-0871, Japan
GSK Investigational Site
Tokyo, 104-0045, Japan
GSK Investigational Site
Tokyo, 135-8550, Japan
GSK Investigational Site
Amsterdam, 1066 CX, Netherlands
GSK Investigational Site
Utrecht, 3584 CX, Netherlands
GSK Investigational Site
Lrenskog, 1474, Norway
GSK Investigational Site
Oslo, 0407, Norway
GSK Investigational Site
Stavanger, 4011, Norway
GSK Investigational Site
Brzozów, 36-200, Poland
GSK Investigational Site
Warsaw, 02-034, Poland
GSK Investigational Site
Seoul, 110 744, South Korea
GSK Investigational Site
Seoul, 135-710, South Korea
GSK Investigational Site
Seoul, 138-736, South Korea
GSK Investigational Site
Barcelona, 08041, Spain
GSK Investigational Site
Madrid, 28007, Spain
GSK Investigational Site
Madrid, 28034, Spain
GSK Investigational Site
Madrid, 28041, Spain
GSK Investigational Site
Pamplona, 31008, Spain
GSK Investigational Site
Santander, 39011, Spain
GSK Investigational Site
Zaragoza, 50009, Spain
GSK Investigational Site
Lund, 22185, Sweden
GSK Investigational Site
Stockholm, SE-118 83, Sweden
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 13, 2025
First Posted
March 19, 2025
Study Start
June 11, 2025
Primary Completion (Estimated)
November 11, 2027
Study Completion (Estimated)
June 23, 2028
Last Updated
November 18, 2025
Record last verified: 2025-11
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, SAP, ICF, CSR
- Time Frame
- Anonymized IPD will be made available within 6 months of publication of primary, key secondary and safety results for studies in product with approved indication(s) or asset(s) with development terminated across all indications.
- Access Criteria
- Anonymized IPD is shared with researchers whose proposals are approved by an Independent Review Panel and after a Data Sharing Agreement is in place. Access is provided for an initial period of 12 months, but an extension may be granted, when justified, for up to 6 months.
Study Sponsor will assess requests from qualified researchers for anonymized individual patient-level data and related study documents. Data sharing is subject to certain criteria, conditions, and exceptions. For further information, refer to https://www.gsk-studyregister.com/About\_GSK\_Patient\_Level\_Data\_Sharing\_Final\_13July2023.pdf