A Study of Amivantamab and FOLFIRI Versus Cetuximab/Bevacizumab and FOLFIRI in Participants With KRAS/NRAS and BRAF Wild-type Colorectal Cancer Who Have Previously Received Chemotherapy

Inclusion Criteria: * Have histologically or cytologically confirmed adenocarcinoma of the colon or rectum. Participants must have recurrent, unresectable or metastatic disease * Determined to have kirsten rat sarcoma viral oncogene/neuroblastoma RAS viral oncogene homolog (KRAS/NRAS), G12, G13 and v-raf murine sarcoma viral oncogene homolog B (BRAF) V600X (X represents any single amino acid change from the original amino acid) wild type status by local and/or central next-generation sequencing (NGS) testing * Must agree to the submission of fresh or archival tumor tissue post progression from the most recent therapy, if clinically feasible * Have measurable disease according to response evaluation criteria in solid tumors (RECIST) version (v) 1.1 * Have an eastern cooperative oncology group (ECOG) performance status (PS) of 0 or 1 * Participant must have received 1 line of systemic therapy (fluoropyrimidine-based and oxaliplatin-based) for metastatic colorectal cancer (mCRC), with documented radiographic disease progression on or after this line of therapy. Participants can receive anti-VEGF as prior line of therapy Exclusion Criteria: * Has medical history of (noninfectious) interstitial lung disease (ILD) /pneumonitis/pulmonary fibrosis or has current ILD/pneumonitis/pulmonary fibrosis, or where suspected ILD/pneumonitis/pulmonary fibrosis cannot be ruled out by imaging at screening * Has known allergies, hypersensitivity, or intolerance to excipients of any of the foll…