About this trial
The entire treatment process is divided into two phases: Phase I SBRT combined with PD-1/CTLA-4 bispecific antibody (AK104) and Phase II AK104 single-agent maintenance therapy.
Eligibility criteria
Qualifiers
1. age ≥ 18 years. 2. patients enrolled must be eligible for PD-1 treatment-naïve patients with recurrent or metastatic advanced esophageal squamous carcinoma with definite measurable recurrent or metastatic lesions.
Disqualifiers
1. pregnant gestational or lactating women. 2. those with a history of other malignant diseases in the last 5 years. 3. persons with a history of uncontrolled epilepsy, central nervous system disease, or psychiatric disorder whose clinical severity, as judged by the investigator, may prevent signing an informed consent form or affect patient compliance with medication.
Trial design
Treatments tested in this trial
- SBRT
- Cadonilimab