Camrelizumab Combined With Apatinib Mesylate for Perioperative Treatment of Resectable Hepatocellular Carcinoma

Camrelizumab Combined With Apatinib Mesylate for Perioperative Treatment of Resectable Hepatocellular Carcinoma

Camrelizumab Combined With Apatinib Mesylate for Perioperative Treatment of Resectable Hepatocellular Carcinoma：a Randomized, Open-label, Parallel, Multicenter Trial

Hepatocellular carcinoma (HCC) is the most common primary liver cancer. Hepatectomy is a curable and effective method. However, the recurrence rate is as high as 50%~70% in 5 years after surgery. Perioperative treatment with immunotherapy combined with target therapy is expected to improve the patient's prognosis. This study aims to evaluate the efficacy, safety and tolerability of camrelizumab combined with apatinib mesylate in the perioperative period of resectable hepatocellular carcinoma. The primary purpose of this study is to evaluate the rate of subjects with major pathological response and 3-year event-free survival (EFS) of camrelizumab combined with apatinib mesylate in the perioperative period of hepatocellular carcinoma (CNLC Ib-IIIa). The secondary research purpose is to evaluate the R0 resection rate, the rate of subjects with pathological complete response, EFS, overall survival and disease-free survival of camrelizumab combined with apatinib mesylate in the perioperative period of resectable hepatocellular carcinoma. The safety and tolerability is also evaluated.

Hepatocellular carcinoma (HCC) is the most common primary liver cancer. Hepatectomy is a curable and effective method. However, the recurrence rate is as high as 50%~70% in 5 years after surgery. Perioperative treatment with immunotherapy combined with target therapy is expected to improve the patient's prognosis. This study aims to evaluate the efficacy, safety and tolerability of camrelizumab combined with apatinib mesylate in the perioperative period of resectable hepatocellular carcinoma. This trial includes subjects with CNLC Ib/IIa/IIb/IIIa HCC. All eligible subjects will be randomized (1:1) to experimental group or control group. In the experimental group, patients will be treated with following: neoadjuvant therapy (camrelizumab and apatinib, 2 cycles), radical surgery, postoperative TACE treatment, adjuvant therapy (camrelizumab and apatinib, 6 cycles); in the control group, patients will be treated with following: radical surgery, postoperative TACE treatment. The primary purpose of this study is to evaluate the rate of subjects with major pathological response and 3-year event-free survival (EFS) of camrelizumab combined with apatinib mesylate in the perioperative period of HCC. The secondary research purpose is to evaluate the R0 resection rate, the rate of subjects with pathological complete response, EFS, overall survival and disease-free survival of camrelizumab combined with apatinib mesylate in the perioperative period of resectable HCC. The safety and tolerability is also evaluated.

Preoperative camrelizumab combined with apatinib mesylate (q2w, 2 cycles) → radical surgery → postoperative TACE treatment → sequential camrelizumab and apatinib mesylate (q3w, at least 6 cycles) (Note: Surgery within 2-4 weeks after the last administration of neoadjuvant therapy, postoperative TACE treatment at least 4 weeks after surgery, and camrelizumab combined with apatinib mesylate within 2 weeks after TACE treatment)

Camrelizumab is administered at 200mg, q2w (2cycles) before radical surgery and 200mg, q3w (at least 6 cycles) after radical surgery

Apatinib Mesylate is administered at 250mg, qd (2 cycles) before radical surgery and 250mg, qd (at least 6 cycles) after radical surgery

EFS is defined as the time from randomisation to tumor progression, postoperative relaspse or metastasis, or death, which occur first.

MPR is defined as less than 50% residual tumor after neoadjuvant therapy of camrelizumab and apatinib therapy.

DFS is defined as the time from surgery to postoperative relaspse or metastasis, or death, which occur first.

EFS is defined as the time from randomisation to tumor progression, postoperative relaspse or metastasis, or death, which occur first.

Inclusion Criteria: Volunteer to participate in this study and sign an informed consent form Age 18~75 years old, no gender limit Hepatocellular carcinoma confirmed by histopathology, cytology or imaging CNLC stage Ib/IIa/IIb/IIIa hepatocellular carcinoma, except for CNLC IIIa hepatocellular carcinoma combined with main portal vein tumor thrombus Child-Pugh score: A-B grade (≤7 points) ECOG PS score: 0-1 points Exclusion Criteria: Known intrahepatic cholangiocarcinoma, sarcomatoid HCC, mixed cell carcinoma and fibrolamellar cell carcinoma; have other active malignancies other than HCC within 5 years or at the same time. Currently accompanied by interstitial pneumonia or interstitial lung disease Existence of active autoimmune disease or history of autoimmune disease and may relapse Patients with active infection, unexplained fever ≥38.5℃ within 1 week before randomization, or baseline white blood cell count >15*10^9/L Patients with congenital or acquired immune deficiencies (such as HIV-infected persons) Those who are known to be allergic to any monoclonal antibodies, anti-angiogenesis targeted drugs or excipients

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