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Safety,efficacy and mechanisms of envolimab and S-1 systemic therapy combined with intraperitoneal endostar in the treatment of gastric/gastric-oesophageal junction adenocarcinoma with malignant ascites in elderly patients over 70 years.

Safety,efficacy and mechanisms of envolimab and S-1 systemic therapy combined with intraperitoneal endostar in the treatment of gastric/gastric-oesophageal junction adenocarcinoma with malignant ascites in elderly patients over 70 years.

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500115706
Enrollment
Unknown
Registered
2025-12-30
Start date
2025-02-19
Completion date
Unknown
Last updated
2026-01-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

gastric/gastric-oesophageal junction adenocarcinoma

Interventions

Observational single-armd study:None

Sponsors

Beijing Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
70 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. The patient or their legal representative may provide written informed consent and understand and agree to follow the study requirements and treatment evaluation schedule. 2. Male or female patients aged over 70 years. 3. Advanced gastric/gastroesophageal junction adenocarcinoma with peritoneal metastasis/malignant ascites (with tumor cells in the ascites) confirmed by pathology or histology. 4. Life expectancy >= 8 weeks. 5. Relatively adequate organ reserve function. A. Blood routine: absolute neutrophil count >= 1.5×109/L, platelets >= 75×109/L, hemoglobin >= 80g/L. B. Prothrombin time <= 1.5×ULN, activated partial thromboplastin time <=1.5×ULN. C. Serum total bilirubin <=1.5×ULN. D. Alanine aminotransferase and aspartate aminotransferase <=2.5×ULN.

Exclusion criteria

Exclusion criteria: 1. Extensive abdominal adhesions 2. Uncontrolled abdominal infection 3. Complete ileus 4. Pregnant or lactating women 5. Patients with proven hypersensitivity to endostar or envolimab

Design outcomes

Primary

MeasureTime frame
Paracentesis free survival,PFS;

Countries

China

Contacts

Public ContactHuxueqing

Beijing Hospital

huxueqing123@126.com+86 135 2185 4803

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026