The Impact of Surgical Treatment on Survival in Localized Small Cell Esophageal Cancer

Official record

Identifier

NCT07596654

Recruiting locations

country

China

Interventions studied

Not provided in the official record

Lead sponsor

yi shen

Target enrolment

4 participants

Study type

OBSERVATIONAL

Phase

Not provided in the official record

Status

Recruiting

First posted

May 19, 2026

Last updated on the registry

Aug 6, 2026

Age

18 Years

Sex

ALL

Study contact

The official record lists a study contact. Contact details are published there and are intentionally not copied to this page.

Eligibility criteria

Reproduced verbatim from the official record. Eligibility is decided by the study team, never by this page.

Inclusion Criteria:

* Patients pathologically diagnosed with primary small cell esophageal carcinoma (SCEC).
* Patients classified as having limited-stage disease at initial diagnosis, defined as tumor confined to the esophagus and/or regional lymph nodes without evidence of distant metastasis.
* Patients who received definitive treatment at the study institution, including surgical treatment (with or without neoadjuvant or adjuvant therapy) or definitive non-surgical treatment such as chemoradiotherapy-based therapy.
* Patients with complete baseline clinicopathological and treatment information available in the medical records.
* Patients with available follow-up and survival outcome data.

Exclusion Criteria:

* Patients with extensive-stage disease or distant metastasis at diagnosis.
* Patients with mixed histological subtypes in which small cell carcinoma was not the predominant component.
* Patients who received palliative treatment only.
* Patients with a history of other active malignant tumors within the previous 5 years.
* Patients with incomplete key clinical, treatment, or follow-up data.
* Patients under 18 years old.

Indexed under

Esophageal Cancer