Skip to content

Immune crossover or rechallenge real-world cohort study of patients with recurrent or metastatic esophageal cancer in city/county-level hospitals in high-incidence areas of esophageal cancer

Immune crossover or rechallenge real-world cohort study of patients with recurrent or metastatic esophageal cancer in city/county-level hospitals in high-incidence areas of esophageal cancer

Status
Active, not recruiting
Phases
Phase 4
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500110645
Enrollment
Unknown
Registered
2025-10-17
Start date
2025-10-30
Completion date
Unknown
Last updated
2025-10-20

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

Conditions

Esophagus cancer

Interventions

Group3:None
Retrospective cohort (group1-3):None

Sponsors

Affiliated Hospital of North Sichuan Medical College
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients with pathologically or clinically confirmed recurrent or distant metastatic esophageal squamous cell carcinoma (AJCC 8th edition); 2. Age >= 18 years; 3. Patients who are treatment-naive in the first-line setting or are receiving first-line systemic immunotherapy including Tislelizumab, with at least 2 cycles of first-line therapy before progression, and continuing Tislelizumab treatment after progression in the second-line setting; 4. For second-line patients, during first-line treatment, they must have received at least 2 cycles of PD-1/PD-L1 therapy, including but not limited to Tislelizumab; 5. Good compliance and willingness to undergo long-term follow-up.

Exclusion criteria

Exclusion criteria: 1. Simultaneously participating in another blinded clinical study; 2. Presence of other active malignant tumors or multiple primary cancers; 3. Pregnant or breastfeeding women, or male and female patients planning to conceive during the study; 4. Other situations deemed by the investigator as unsuitable for study inclusion.

Design outcomes

Primary

MeasureTime frame
Progression Free Survival;

Secondary

MeasureTime frame
Difference in therapeutic effect;Safety;

Countries

China

Contacts

Public ContactGui Yan

Affiliated Hospital of North Sichuan Medical College

15882618827@163.com+86 158 8261 8827

Outcome results

None listed

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