NCT05485909Unknown2 期
A Single-arm, Single-center Phase II Clinical Study of Regorafenib and Toripalimab Combined With Radiofrequency Ablation (RFA) in Patients With Colorectal Cancer Liver Metastases
Sun Yat-sen University1 个研究点 分布在 1 个国家目标入组 32 人开始时间: 2022年7月25日最近更新:
适应症
干预措施
相关药物
试验速览
- 阶段
- 2 期
- 发起方
- 入组人数
- 32
- 试验地点
- 1
- 主要终点
- Objective response rate (ORR)
研究概览
简要总结
The incidence of colorectal cancer liver metastasis is high and the prognosis is poor. Improving the treatment effect of colorectal cancer liver metastasis is the key to improving the prognosis of colorectal cancer patients. Rigofenib is one of the standard third-line treatments for advanced colorectal cancer, but has limited efficacy. Immune checkpoint inhibitors (PD-L1 monoclonal antibody, PD-1 monoclonal antibody) have achieved good results in the treatment of various malignant tumors. In a mouse transplant tumor model of colorectal cancer, regorafenib combined with PD-1 monoclonal antibody treatment significantly improved the antitumor activity, but the efficacy rate in clinical studies was not very high, especially for liver metastases. Radiofrequency ablation (RFA) is one of the common methods for the treatment of liver metastases. RFA may improve the immune microenvironment and the efficacy of immunotherapy,and the purpose of this trial is to explore the efficacy and safety of rigofenib and terepliumab combined with RFA in patients with refractory colorectal cancer liver metastasis.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Males and females aged ≥18 years;
- •Histologically or cytologically confirmed colon or rectal adenocarcinoma, with unresectable relapsed or metastatic disease;
- •Microsatellite stability (MSS) or microsatellite instability-low (MSI-L), or proficient expression of DNA mismatch repair gene (pMMR);
- •Patients who have failed, or can not tolerate after previous systemic treatment for relapsed or metastatic colorectal cancer, with no more than 3 months for disease progression after the last systemic treatment. The systemic treatment must contain fluorouracil, oxaliplatin and irinotecan, with or without targeted therapy (bevacizumab, cetuximab, and so on);
- •According to the RECIST 1.1 standard, in addition to the lesion to be ablated and the measurable lesion outside the liver, there is at least one measurable lesion in the liver. Measurable lesions were defined as non-lymph node lesions with the longest single diameter ≥ 10 mm, or lymph node lesions with a short diameter ≥ 15 mm;
- •ECOG score 0-1;
- •Expected survival ≥3 months;
- •Good organ function (without blood transfusion, use of hematopoietic stimulating factors, or transfusion of albumin or blood products within 14 days prior to examination):
- •1）Platelet (PLT) count ≥100,000 /mm3; 2) Neutrophil count (ANC) ≥1,500 /mm3; 3) Hemoglobin (Hb) level ≥9.0 g/dl; 4) International normalized ratio (INR) ≤1.5; 5) Prothrombin time (PT) and activated partial thromboplastin time (APTT) ≤1.5×ULN; 6) Total bilirubin (TBIL) level ≤1.5×ULN; 7) Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) level ≤2.5×ULN (≤5×ULN in case of liver metastasis); 8) Alkaline phosphatase level ≤2.5×ULN (≤5×ULN in case of liver metastasis); 9) Serum creatinine (Cr) level ≤1.5×ULN and creatinine clearance ≥60 ml/min; 10) Thyroid stimulating hormone (TSH) ≤ULN; 11) Normal serum free thyroid hormone (T4); 12) Normal serum free triiodothyronine (T3); 13) Serum amylase ≤1.5×ULN; 15) Lipase ≤1.5×ULN.
- •Females of child bearing age must have a negative pregnancy test, and have to take contraception measures and avoid breast feeding during the study and for 3 months after the last dose; male subjects must agree to taken contraception measures during the study and for 3 months after the last dose.
- •Able to understand and willing to sign written informed consent form.
排除标准
- •Diagnosis of any other malignancy at different primary site or of different histological type from colorectal cancer within 5 years prior to initiation of study treatment, except adequately treated basal cell or squamous cell skin cancer or carcinoma in situ of cervix;
- •Microsatellite instability-high (MSI-H) or deficient expression of DNA mismatch repair gene (dMMR);
- •Previous treatment with regorafenib, PD-1/PD-L1/PD-L2 antibody or any other antibody that acts on T cell costimulatory or checkpoint pathways;
- •Known allergy to study drug or excipients, or allergy to similar drugs;
- •Have received other anti-tumor treatment within 4 weeks prior to initiation of study treatment, or no more than 5 half lives from the last dose;
- •Have participated in other clinical study and received drug within 4 weeks prior to initiation of study treatment;
- •Have undergone major surgery or open biopsy, or have massive trauma within 4 weeks prior to initiation of study treatment;
- •Have received immunosuppressants (excluding inhaled corticosteroids or ≤10 mg/day prednisone or other systemic steroids at equivalent pharmaphysiological dose) within 2 weeks prior to initiation of study treatment;
- •Have vaccination with attenuated live vaccines within 4 weeks prior to initiation of the study treatment or plan to vaccinate during the study;
- •CYP3A4 inducers or inhibitors should not be stopped within 1 week prior to initiation of study treatment and during the study;
- •Known metastasis to central nervous system;
- •Present or history of any autoimmune disease;
- •Human immunodeficiency virus (HIV) infection (HIV antibody positive), or active hepatitis C virus (HCV) infection (HCV antibody positive), or active hepatitis B virus (HBV) infection (HBsAg or HBcAb positive, and HBV-DNA ≥2000 IU/ml (copies/ml)), or other severe infection requiring systemic antibiotic treatment, or unexplained body temperature >38.5℃ during screening period/before study treatment;
- •Presence of pleural effusion, peritoneal effusion, or pericardial effusion;
- •Development of the following diseases within 6 months prior to initiation of study treatment: myocardial infarction, severe/unstable angina, congestive heart failure above NYHA grade 2, poorly controlled arrhythmia;
- •Poorly controlled hypertension (systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90 mmHg);
- •With bleeding tendency, or evident hemoptysis or other hemorrhagic events (e.g. gastrointestinal hemorrhage, hemorrhagic gastric ulcer) within 2 months prior to initiation of study treatment, or presence of hereditary or acquired bleeding or thrombotic tendency (e.g. hemophilia, coagulopathy, thrombocytopenia, etc.), or current/long-term thrombolytic or anticoagulant therapy (except aspirin ≤100 mg/day);
- •Development of arterial/venous thrombotic events, e.g. cerebrovascular accident (transient ischemic attack, cerebral hemorrhage, cerebral infarction etc.), deep venous thrombosis, vasculitis, etc. within 6 months prior to initiation of study treatment;
- •History of allogeneic organ transplantation or allogeneic hematopoietic stem cell transplantation;
- •Seizure requiring drug (e.g. steroids or antiepileptic drugs) treatment;
- •Presence of malabsorption disorder;
- •Unable to swallow study drug;
- •Presence of toxicities (except alopecia) of grade 2 and above (CTCAE V5.0) due to previous anti-tumor treatment or surgical procedure;
- •History of drug abuse, illegal drug use or alcohol dependence;
- •Patients with other severe acute or chronic conditions that may increase the risk of participation in the study and study treatment, or may interfere with interpretation of study results, and judged by the investigator as not suitable for participation in this clinical trial.
研究组 & 干预措施
Regorafenib and Toripalimab Combined with RFA
Experimental
干预措施: Radiofrequency ablation (Other)
Regorafenib and Toripalimab Combined with RFA
Experimental
干预措施: Regorafenib and Toripalimab Combination (Drug)
结局指标
主要结局
Objective response rate (ORR)
时间窗: 2 years
The ratio of patients who are evaluated as CR or PR
次要结局
- Progression free survival (PFS)(2 years)
- Overall survival (OS)(2 years)
- Disease control rate (DCR)(2 years)
- Duration of response (DOR)(2 years.)
- Time to disease progression (TTP)(2 years)
研究者
Zhiqing Wang
Clinical Professor
Sun Yat-sen University
研究点 (1)
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