本研究的目的是比较参与者无病生存期（无恶化生存期）和参与者死亡的时间长度（整体生存期） ，当使用氨万他单抗并使用5-氟尿嘧啶、亚叶酸钙（亚叶酸）或左旋尤科沃林和盐酸伊立替康（ FOLFIRI ）进行化疗时，与给予Kirsten大鼠肉瘤病毒性癌基因/neu参与者的西妥昔单抗或贝伐珠单抗和FOLFIRI
适应症：Colorectal Neoplasms
入组条件
纳入标准
- 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
排除标准
- 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 following: amivantamab, cetuximab or bevacizumab or any component of FOLFIRI
- Has a prior or concurrent second malignancy other than the disease under study or one whose natural history or treatment is likely to interfere with any study endpoints of safety or the efficacy of the study treatment(s)
- Participant with known mismatch repair deficiency (dMMR)/ high microsatellite instability (MSI-H) status who has not received immunotherapy treatments
- Participant with known human epidermal growth factor receptor 2 (HER2)- positive/amplified tumor
- Has prior exposure to irinotecan, any agents that target epidermal growth factor receptor (EGFR) or mesenchymal epithelial transition (MET)
入组条件维持 ClinicalTrials.gov 原始英文登记资料，实际入组资格以研究团队的正式评估与受试者知情同意书为准。资料来源：ClinicalTrials.gov，每两周自动更新，最后同步：2026年10月8日。