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 (EMBOLD PanGI-201)

Inclusion criteria: Participants are eligible to be included in the study only if all of the following criteria apply: All cohorts * Is at least 18 years of or the legal age of consent in the jurisdiction in which the study is taking place 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). PDAC Cohort * Has histologically or cytologically confirmed unresectable, locally advanced or metastatic adenocarcinoma of the pancreas (histology defined by WHO classification). All Cohorts * 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. * Has adequate organ function. Exclusion…