Condition: Colorectal Cancer · KRAS G12C Mutant Advanced Solid Tumors · Fulzerasib · Sponsor: Zhejiang University
Background：KRAS mutations are the most common genetic alterations in colorectal cancer (CRC), associated with aggressive tumor biology and poor prognosis. For metastatic CRC harboring KRAS mutations, first-line standard treatment is chemotherapy plus bevacizumab. However, its anti-angiogenic effects contraindicate perioperative use. KRAS G12C, the first druggable KRAS target, accounts for \~3% of CRC KRAS mutations. KRAS G12C inhibitor monotherapy shows efficacy in post-standard-therapy metastatic CRC, while combination with RAS-MAPK pathway blockade demonstrates superior efficacy. Based on promising frontline data combining KRAS G12C inhibitors with anti-EGFR antibodies in metastatic CRC, we evaluate neoadjuvant fulzerasib plus cetuximab N01 in locally advanced KRAS G12C-mutated CRC, with or without resectable metastases. Methods：Single-arm, multicenter, phase II trial (N=40). Eligibility: age 18-80 years, ECOG 0-1, histologically confirmed colorectal adenocarcinoma (stages T4N0-2M0, T3N2M0, T0-4N0-2M1a \[resectable metastases confirmed by multidisciplinary discussion\]), KRAS G12C mutation, NRAS/BRAF wild-type, pMMR/MSS. Neoadjuvant therapy: fulzerasib (qd, po, d1-28) plus cetuximab N01 (500 mg/m², IV, q2w) for 2 months. Safety assessments (CBC, liver/renal function, QoL) every 2 weeks; CEA monthly. Tumor response assessed by CT chest/abdomen and rectal MRI at 2 months. Radical surgery for responders (cCR patients may choose watchful waiting). Adjuvant therapy per patholog…
This description comes directly from the study's public registry record.
Kefeng Ding, PhD · 86-571-87784720 · dingkefeng@zju.edu.cn
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| Second Affiliated Hospital, Zhejiang University School of Medicine | Hangzhou, Zhejiang, China | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07581912