About this trial
To explore the efficacy and safety of sintilimab, bevacizumab combined with pemetrexed and cisplatin in the treatment of malignant peritoneal mesothelioma, and to explore the biomarkers related to efficacy or safety.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Fully understand the study and voluntarily sign the informed consent form;
Age ≥18 years old;
Pathologically (including histologically or cytologically) confirmed as peritoneal mesothelioma;
ECOG performance status of 0-1;
Disqualifiers
Unable to adhere to the study protocol or procedures;
Vaccination with live vaccines within 4 weeks before enrollment or expected during the study period;
Other malignancies within the past 5 years, except for cured basal or squamous cell skin cancer, thyroid papillary carcinoma, or in situ cervical cancer;
Active autoimmune diseases or a history of autoimmune diseases within 4 weeks prior to enrollment;
Trial design
Single group
Treatments tested in this trial
Sintilimab, Bevacizumab , Pemetrexed , Cisplatin
DrugSintilimab: 200mg, bevacizumab: 7.5mg/kg, pemetrexed: 500mg/m2, cisplatin: 75mg /m2, Q3w. Tumor assessments will be performed every two cycles according to RECIST 1.1 criteria. After 6 cycles, maintenance therapy with sintilimab, bevacizumab, and pemetrexed will continue until disease progression or unacceptable toxicity occurs.
Treatment groups
Trial outcomes
Primary outcomes
Progression-Free Survival (PFS)
The time from the date of first administration of this regimen to the date of first documented disease progression or death due to any cause.
Secondary outcomes
Overall Survival (OS)
The time from the initiation of the first dose of medication in a patient to death from any cause.
Objective Response Rate (ORR)
The proportion of patients with a comfirmed complete response or patial response using RECIST1.1.
Disease Control Rate (DCR)
The percentage of patients who have achieved complete response, partial response, and stable disease to the treatment, as defined by RECIST 1.1 criteria.
Sponsors and contacts
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