A Study of Nivolumab, Nivolumab Plus Ipilimumab, or Investigator's Choice Chemotherapy for the Treatment of Participants With Deficient Mismatch Repair (dMMR)/Microsatellite Instability High (MSI-H) Metastatic Colorectal Cancer (mCRC) (CheckMate 8HW)
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ClinicalTrials.gov Identifier: NCT04008030 |
Recruitment Status :
Recruiting
First Posted : July 5, 2019
Last Update Posted : May 16, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Metastatic Colorectal Cancer | Biological: Ipilimumab Drug: Oxaliplatin Drug: Leucovorin Drug: Fluorouracil Drug: Irinotecan Drug: Bevacizumab Drug: Cetuximab Biological: Nivolumab | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 831 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase 3 Randomized Clinical Trial of Nivolumab Alone, Nivolumab in Combination With Ipilimumab, or Investigator's Choice Chemotherapy in Participants With Microsatellite Instability High (MSI-H) or Mismatch Repair Deficient (dMMR) Metastatic Colorectal Cancer |
Actual Study Start Date : | August 5, 2019 |
Estimated Primary Completion Date : | June 9, 2025 |
Estimated Study Completion Date : | June 10, 2026 |

Arm | Intervention/treatment |
---|---|
Experimental: Arm A: Nivolumab Monotherapy |
Biological: Nivolumab
Specified dose on specified days |
Experimental: Arm B: Nivolumab + Ipilimumab Combination |
Biological: Ipilimumab
Specified dose on specified days Biological: Nivolumab Specified dose on specified days |
Active Comparator: Arm C: Investigator's Choice Chemotherapy
Participants in Arm C would be allowed to receive Nivolumab + Ipilimumab if they progress
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Drug: Oxaliplatin
Specified dose on specified days Drug: Leucovorin Specified dose on specified days Drug: Fluorouracil Specified dose on specified days Drug: Irinotecan Specified dose on specified days Drug: Bevacizumab Specified dose on specified days Drug: Cetuximab Specified dose on specified days |
- Progression-Free Survival (PFS) by Blinded Independent Central Review (BICR) (arm B vs A, all lines, centrally confirmed) [ Time Frame: Up to 5 years ]
- PFS by BICR (arm B vs C, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- Overall Response Rate (ORR) by BICR (arm B vs A, all lines, centrally confirmed) [ Time Frame: Up to 5 years ]
- Overall Survival (OS) (arm B vs A, all lines, centrally confirmed) [ Time Frame: Up to 5 years ]
- PFS by Investigator Assessment (arm B vs A, all lines, centrally confirmed) [ Time Frame: Up to 5 years ]
- PFS by BICR among all randomized participants (arm B vs A, all lines, per local testing) [ Time Frame: Up to 5 years ]
- PFS by BICR (arm B vs A, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- ORR by BICR (arm B vs C, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- ORR by BICR (arm B vs A, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- OS (arm B vs A, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- PFS by BICR (arm A vs C, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- OS (arm B vs C, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- ORR by BICR (arm A vs C, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- OS (arm A vs C, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- PFS by Investigator (arm A, B and C, 1L, centrally confirmed) [ Time Frame: Up to 5 years ]
- PFS by BICR among all randomized participants who have not received prior treatment (arm B vs C, 1L, per local testing) [ Time Frame: Up to 5 years ]
- PFS by BICR among all randomized participants who have not received prior treatment (arm B vs A, 1L, per local testing) [ Time Frame: Up to 5 years ]
- PFS by BICR (arm B vs C, 1L, by each central test) [ Time Frame: Up to 5 years ]
- PFS by BICR (arm B vs A, all lines, by each central test) [ Time Frame: Up to 5 years ]
- PFS by BICR (crossover cohort, centrally confirmed) [ Time Frame: Up to 5 years ]
- ORR by BICR (crossover cohort, centrally confirmed) [ Time Frame: Up to 5 years ]

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Histologically confirmed recurrent or metastatic colorectal cancer (CRC) irrespective of prior treatment history with chemotherapy and/or targeted agents not amenable to surgery (Applicable only during Part 1 enrollment of the study)
- Histologically confirmed recurrent or metastatic CRC with no prior treatment history with chemotherapy and/or targeted agents for metastatic disease and not amenable to surgery (Applicable during Part 2 enrollment of the study)
- Known tumor microsatellite instability-high (MSI-H) or mismatch repair deficient (dMMR) status per local standard of practice
- Eastern cooperative oncology group (ECOG) performance status lower than or equal to 1
Exclusion Criteria:
- An active, known or suspected autoimmune disease
- History of interstitial lung disease or pneumonitis
- Known history of positive test for human immunodeficiency virus (HIV) or known acquired immunodeficiency syndrome (AIDS)
Other protocol-defined inclusion/exclusion criteria apply

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04008030
Contact: BMS Study Connect Contact Center www.BMSStudyConnect.com | 855-907-3286 | Clinical.Trials@bms.com | |
Contact: First line of the email MUST contain NCT # and Site #. |

Study Director: | Bristol-Myers Squibb | Bristol-Myers Squibb |
Responsible Party: | Bristol-Myers Squibb |
ClinicalTrials.gov Identifier: | NCT04008030 |
Other Study ID Numbers: |
CA209-8HW 2018-000040-26 ( EudraCT Number ) |
First Posted: | July 5, 2019 Key Record Dates |
Last Update Posted: | May 16, 2023 |
Last Verified: | May 2023 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Colorectal Neoplasms Microsatellite Instability Intestinal Neoplasms Gastrointestinal Neoplasms Digestive System Neoplasms Neoplasms by Site Neoplasms Digestive System Diseases Gastrointestinal Diseases Colonic Diseases Intestinal Diseases Rectal Diseases Genomic Instability Pathologic Processes Leucovorin |
Bevacizumab Nivolumab Cetuximab Ipilimumab Fluorouracil Oxaliplatin Irinotecan Antineoplastic Agents, Immunological Antineoplastic Agents Angiogenesis Inhibitors Angiogenesis Modulating Agents Growth Substances Physiological Effects of Drugs Growth Inhibitors Antimetabolites |