Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Merck Sharp & Dohme LLC
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Has a histologically confirmed diagnosis of colorectal adenocarcinoma that is at stage IV (as defined by American Joint Committee on Cancer eighth edition) \[National Comprehensive Cancer Network 2018\]
Has centrally confirmed Microsatellite Instability-High/Mismatch Repair Deficient (MSI-H/dMMR) status
Has centrally confirmed RAS and BRAF mutation status
A woman of child-bearing potential (WOCBP) must have a negative highly sensitive pregnancy test (urine or serum as required by local regulations) within 24 hours for urine or within 72 hours for serum before the first dose of study intervention.
Has measurable disease per Response Evaluation Criteria In Solid Tumors (RECIST) 1.1 as assessed by the local site investigator/radiology
Must provide an archival tumor tissue sample or newly obtained core or excisional biopsy of a tumor lesion not previously irradiated.
Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1 within 3 days before randomization
Has a life expectancy of at least 3 months
Has received Hepatitis B Virus (HBV) antiviral therapy for at least 4 weeks, and have undetectable hepatitis B virus (HBV) viral load prior to randomization if hepatitis B surface antigen (HBsAg) positive
Has an undetectable Hepatitis C Virus (HCV) viral load if HCV infected
Has well controlled Human Immunodeficiency Virus (HIV) on antiretroviral therapy (ART) if HIV infected
You may not be if
Has received prior systemic therapy for stage IV colorectal cancer (CRC). Participants may have received prior adjuvant/neoadjuvant chemotherapy for CRC as long as it was completed at least 6 months prior to randomization
Has undergone major operation within 4 weeks of randomization or has not adequately recovered from major surgery or has ongoing surgical complications
Has received prior therapy with an anti-programmed cell death 1 protein (anti-PD-1), anti-programmed cell death ligand 1 (anti-PD-L1), or anti-programmed cell death ligand 2 (anti PD-L2) agent or with an agent directed to another stimulatory or coinhibitory T-cell receptor (eg, cytotoxic T-lymphocyte-associated protein 4 \[CTLA-4\], tumor necrosis factor receptor superfamily, member 4 \[OX 40\], tumor necrosis factor receptor superfamily member 9 \[CD137\])
Has received prior radiotherapy within 2 weeks of start of study intervention or has radiation-related toxicities, requiring corticosteroids
Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention
Has received an investigational agent or has used an investigational device within 4 weeks prior to study intervention administration.
Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior to the first dose of study medication
Has a known additional malignancy that is progressing or has required active treatment within the past 5 years, with the exception of basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or carcinoma in situ (eg, breast carcinoma, cervical cancer in situ) that have undergone potentially curative therapy are not excluded
Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis
Has severe hypersensitivity (≥Grade 3) to pembrolizumab and/or any of its excipients
Has an active autoimmune disease that has required systemic treatment in past 2 years
Has a history of (noninfectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease
Has an active infection requiring systemic therapy (eg, tuberculosis, known viral or bacterial infection)
Has HIV-infection with a history of Kaposi's sarcoma or Multicentric Castleman's Disease
Has had an allogenic tissue/solid organ transplant
Clareo Health | Study of Pembrolizumab (MK-3475) Versus Chemotherapy in Chinese Participants With Stage IV Colorectal Cancer (MK-3475-C66)