About this trial
This is a phase II, single arm, open-label, multicenter study to evaluate the efficacy and safety of Sintilimab combined with IBI310 and Surufatinib for the treatment of high-grade advanced-neuroendocrine neoplasm
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Fully aware of this study and voluntary to sign the informed consent form (the informed consent form must be signed before any trial-specific procedure is performed);
Aged 18-75 (inclusive);
Histologically or cytologically confirmed patients with inoperable or metastatic high-grade neuroendocrine neoplasm (Ki67 index > 20% or with mitotic count of more than 20 mitoses per high power field);
Patients who failed to receive standard treatment (Have progressed on previous treatment, or treatment toxicity and side effects are not tolerated), or cannot receive standard treatment (including patients who are intolerant to standard treatment, who are judged by the investigator to be unsuitable for standard treatment or who refuse to receive standard treatment), or who have no standard treatment plan;
Disqualifiers
Presence of other malignancies in the past 5 years (except for basal cell carcinoma or squamous cell carcinoma of the skin and carcinoma in situ of the cervix, which were effectively controlled);
Currently participate in an interventional clinical study, or have been treated with another study drug or medical equipment within 4 weeks prior to the first dose;
Previous use of anti (PD-1), anti-PD-L1, anti-PD-L2 or CTLA-4 antibody or any other antibody acting on T cell co-stimulatory or checkpoint pathways (including but not limited to OX-40, CD137, etc.), anti-VEGF/VEGFR-targeted drugs;
Having abnormal thyroid function with symptoms ongoing or requiring treatment at screening (only hypothyroidism that can be controlled by thyroid hormone replacement therapy can be included);
Trial design
Single group
Treatments tested in this trial
Sintilimab
DrugSintilimab 200mg will be intravenously administered on Day 1 of each cycle
IBI310
DrugIBI310 1mg/kg be intravenously administered on Day 1 of every 2 cycle
Surufatinib
DrugSurufatinib 250mg will be taken orally once daily continuously
Treatment groups
Trial outcomes
Primary outcomes
Objective response rate (ORR, RECIST 1.1)
The incidence of confirmed complete response or partial response
Secondary outcomes
Objective response rate (ORR, iRECIST 1.1)
The incidence of confirmed complete response or partial response
Progression-free Survival (PFS)
A duration from the date of initial treatment to disease progression or death of any cause
Duration of response (DoR)
Duration from the first time reported partial response or complete response to the first time of disease progression or death
Overall survival (OS)
From the time of enrollment to death caused by any reason
Sponsors and contacts
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Peking University
Lead sponsor
Peking University Cancer Hospital & Institute
Sponsor institution