Sponsor:
GlaxoSmithKline
Code:
NCT05855200
Conditions
Colonic Neoplasms
Neoplasms, Colon
Eligibility Criteria
Sex: All
Age: 18+
Healthy Volunteers: Not accepted
Interventions
Dostarlimab
CAPEOX
FOLFOX
Brief summary:
Conditions
Colonic Neoplasms
Neoplasms, Colon
Study ID
NCT05855200
Start date
Aug 1, 2023
Status verified date
Jan, 2026
Completion date
Mar 27, 2031
Anticipated
Primary completion date
Mar 19, 2029
Anticipated
Eligibility Criteria
Sex: All
Age: 18+
Healthy Volunteers: Not accepted
Enrollment
892 participants
Anticipated
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary purpose
Treatment
Arms
experimental: Dostarlimab
active comparator: Standard of Care (SOC)
Interventions
Dostarlimab
CAPEOX
FOLFOX
Primary outcome measure
Central contacts
Locations
GSK Investigational Site
Recruiting
Tucson, Arizona, United States, 85715
Contacts
Principal Investigator:
Manuel Modiano
GSK Investigational Site
Recruiting
Los Angeles, California, United States, 90027
Contacts
Principal Investigator:
Gary Buchschacher Jr
GSK Investigational Site
Recruiting
New Haven, Connecticut, United States, 06520
Contacts
Principal Investigator:
Jeremy Kortmansky
GSK Investigational Site
Recruiting
Chicago, Illinois, United States, 60611
Contacts
Principal Investigator:
Al Benson Iii
GSK Investigational Site
Recruiting
Chicago, Illinois, United States, 60612
Contacts
Principal Investigator:
Shikha Jain
GSK Investigational Site
Recruiting
Naperville, Illinois, United States, 60126
Contacts
Principal Investigator:
Andrew Wiele
GSK Investigational Site
Recruiting
Naperville, Illinois, United States, 60540
Contacts
Principal Investigator:
Andrew Wiele
GSK Investigational Site
Recruiting
Westwood, Kansas, United States, 66205
Contacts
Principal Investigator:
Benjamin Martin
GSK Investigational Site
Recruiting
Bethesda, Maryland, United States, 20817
Contacts
Principal Investigator:
Mark Goldstein
GSK Investigational Site
Recruiting
Detroit, Michigan, United States, 48202
Contacts
Principal Investigator:
Maria Diab
GSK Investigational Site
Recruiting
Minneapolis, Minnesota, United States, 55455
Contacts
Principal Investigator:
Ajay Prakash
GSK Investigational Site
Recruiting
Grand Island, Nebraska, United States, 68803
Contacts
Principal Investigator:
Timothy Huyck
GSK Investigational Site
Recruiting
Omaha, Nebraska, United States, 68130
Contacts
Principal Investigator:
Timothy Huyck
GSK Investigational Site
Recruiting
New York, New York, United States, 10028
Contacts
Principal Investigator:
Richard Zuniga
GSK Investigational Site
Recruiting
New York, New York, United States, 10469
Contacts
Principal Investigator:
Richard Zuniga
GSK Investigational Site
Recruiting
New York, New York, United States, 11042
Contacts
Principal Investigator:
Richard Zuniga
GSK Investigational Site
Recruiting
New York, New York, United States, 11967
Contacts
Principal Investigator:
Richard Zuniga
GSK Investigational Site
Recruiting
The Bronx, New York, United States, 10461
Contacts
Principal Investigator:
Fernand Bteich
GSK Investigational Site
Recruiting
Durham, North Carolina, United States, 27710
Contacts
Principal Investigator:
John Strickler
GSK Investigational Site
Recruiting
Akron, Ohio, United States, 44304
Contacts
Principal Investigator:
Sameer Mahesh
GSK Investigational Site
Recruiting
Cincinnati, Ohio, United States, 45220
Contacts
Principal Investigator:
Benjamin Kuritzky
GSK Investigational Site
Recruiting
Sioux Falls, South Dakota, United States, 57078
Contacts
Principal Investigator:
Heidi McKean
GSK Investigational Site
Recruiting
Sioux Falls, South Dakota, United States, 57105
Contacts
Principal Investigator:
Heidi McKean
GSK Investigational Site
Recruiting
Sioux Falls, South Dakota, United States, 57401
Contacts
Principal Investigator:
Heidi McKean
GSK Investigational Site
Recruiting
Sioux Falls, South Dakota, United States, 57501
Contacts
Principal Investigator:
Heidi McKean
GSK Investigational Site
Recruiting
Richmond, Virginia, United States, 23229
Contacts
Principal Investigator:
Purvi Shah
GSK Investigational Site
Recruiting
Appleton, Wisconsin, United States, 54911
Contacts
Principal Investigator:
Joyce Philip
GSK Investigational Site
Recruiting
Halifax, Nova Scotia, Canada, B3H 1V7
Contacts
Principal Investigator:
Katerina Neumann
GSK Investigational Site
Recruiting
Ottawa, Ontario, Canada, K1H 8L6
Contacts
Principal Investigator:
Rebecca Auer
GSK Investigational Site
Recruiting
Toronto, Ontario, Canada, M5G 2M9
Contacts
Principal Investigator:
Eric Chen
GSK Investigational Site
Recruiting
Montreal, Quebec, Canada, H4A 3J1
Contacts
Principal Investigator:
Jamil Asselah
Sponsor
GlaxoSmithKline
Last update posted
Jan 23, 2026
Last verified
Jan, 2026
Keywords
Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by GlaxoSmithKline on 2026-01-23.