Clareo Health | A Study to Investigate Efficacy and Safety of Cobimetinib Plus Atezolizumab and Atezolizumab Monotherapy Versus Regorafenib in Participants With Metastatic Colorectal Adenocarcinoma (COTEZO IMblaze370)
A Study to Investigate Efficacy and Safety of Cobimetinib Plus Atezolizumab and Atezolizumab Monotherapy Versus Regorafenib in Participants With Metastatic Colorectal Adenocarcinoma (COTEZO IMblaze370)
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Lead
Hoffmann-La Roche
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Histologically confirmed adenocarcinoma originating from the colon or rectum (Stage 4 American Joint Committee on Cancer \[AJCC\] 7th edition)
Experienced disease progression or was intolerant to at least two systemic chemotherapy regimens for metastatic colorectal cancer that must have included fluroropyrimidines, irinotecan, and oxaliplatin; adjuvant regimen can be considered as one chemotherapy regimen for metastatic disease if the participant had disease recurrence within 6 months of completion; disease progression must have occurred within 3 months of the last systemic therapy administration
Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
Anticipated life expectancy greater than or equal to (\>=) 3 months
Adequate hematologic and end organ function
Women of childbearing potential must agree to appropriately use an effective form of contraception (failure rate of less than \[\<\] 1 percent \[%\] per year) during the treatment period, within 5 months after the last dose of atezolizumab, and within 3 months after the last dose of cobimetinib and regorafenib
Men must agree not to donate sperm or have intercourse with a female partner without using appropriate barrier contraception during the treatment period and for 3 months after the last dose of either cobimetinib or regorafenib
Provide an archival or newly obtained tumor tissue sample
You may not be if
After the approximate 5% cap for microsatellite (MSI)-high participants is reached, only MSI-stable participants will be eligible
Once the 50% cap for wild-type RAS has been reached, only extended RAS-mutant participants will be eligible
Major surgery or radiotherapy within 21 days prior to Cycle 1 Day 1 or anticipation of needing such procedure while receiving study treatment
Treatment with any anti-cancer agent within 14 days prior to Cycle 1 Day 1
Uncontrolled tumor-related pain. Participants requiring narcotic pain medication must be on a stable regimen at study entry
Uncontrolled pleural effusion, pericardial effusion or ascites requiring repeated drainage more than once every 28 days. Indwelling drainage catheters (e.g., PleurX®) are allowed
Active or untreated central nervous system (CNS) metastases are excluded
Prior therapy with any cancer immunotherapy, MEK inhibitor, or regorafenib
Participants with active malignancy (other than CRC) or a prior malignancy within the past 3 years are excluded. Participants with completely resected cutaneous melanoma (early stage), basal cell carcinoma, cutaneous squamous cell carcinoma, cervical carcinoma in-situ, breast carcinoma in-situ, and localized prostate cancer are eligible
Unstable angina, new onset angina within last 3 months, myocardial infarction within last 6 months and current congestive heart failure New York Heart Association Class II or higher
Left ventricular ejection fraction (LVEF) below institutional lower limit of normal or below 50%, whichever is lower
Poorly controlled hypertension, defined as a blood pressure consistently above 150/90 millimeters of Mercury (mmHg) despite optimal medical management
Human immunodeficiency virus (HIV) infection
Active tuberculosis infection
Severe infections within 2 weeks prior to Cycle 1 Day 1
Active or chronic viral hepatitis B or C infection
History of or evidence of retinal pathology on ophthalmologic examination that is considered a risk factor for central serous retinopathy, retinal vein occlusion, or neovascular macular degeneration
Participants will be excluded if they currently have any of the risk factors as defined in the study protocol for retinal vein occlusion
History of autoimmune disease
History of idiopathic pulmonary fibrosis, organizing pneumonia, bronchiolitis obliterans, drug-induced pneumonitis, or idiopathic pneumonitis
History of organ transplantation including allogeneic bone marrow transplantation
Inability to swallow medications
Malabsorption condition that would alter the absorption of orally administered medications
Pregnant, lactating, breastfeeding, or intending to become pregnant during the study
Administration of a live, attenuated vaccine within 4 weeks before randomization or anticipation of a live attenuated vaccine will be required during the study
