Neoadjuvant Chemoradiotherapy Versus Neoadjuvant Immunochemotherapy for Resectable Esophageal Cancer: A Target Trial Emulation Study

NCT07778056 · Status: NOT_YET_RECRUITING · Type: OBSERVATIONAL · Enrollment: 400

Last updated 2026-08-21

No results posted yet for this study

Summary

Esophageal squamous cell carcinoma (ESCC) is highly prevalent in China, with most patients presenting with locally advanced disease. Neoadjuvant chemoradiotherapy (nCRT) is the current standard of care, while neoadjuvant immunochemotherapy (nICT) has emerged as a promising alternative. However, no large-scale randomized controlled trial has directly compared nICT versus nCRT for long-term overall survival (OS) in this population. This study aims to compare the causal effects of nICT versus nCRT on OS and other key outcomes in patients with resectable locally advanced ESCC using target trial emulation (TTE) methodology. This is a single-center, retrospective, observational cohort study using TTE. Data are derived from electronic health records (EHR) of esophageal cancer patients hospitalized at Henan Cancer Hospital between January 2013 and December 2025. Patients meeting eligibility criteria (age ≥18 years; histologically confirmed ESCC; clinical stage cT3-4a N0-2 M0 or cT2N+ M0; ECOG PS 0-1; no prior antitumor therapy) are assigned to nICT or nCRT groups based on actual treatment initiation. Propensity score overlap weighting is used to balance baseline covariates. The primary outcome is overall survival (OS). Secondary outcomes include event-free survival (EFS), pathological complete response (pCR) rate, tumor regression grade (TRG), R0 resection rate, and safety. This study will provide real-world causal evidence on the comparative effectiveness of nICT versus nCRT in the Chinese ESCC population.

Conditions

  • Esophageal Squamous Cell Carcinoma (ESCC)

Interventions

RADIATION

Radiotherapy

Concurrent radiotherapy administered as part of neoadjuvant chemoradiotherapy, typically 41.4-50.4 Gy in fractionated doses, combined with platinum-based chemotherapy.

DRUG

Platinum-based Chemotherapy

Platinum-based chemotherapy administered as part of neoadjuvant treatment, combined with either concurrent radiotherapy (nCRT) or PD-1 inhibitors (nICT).

DRUG

PD-1 Inhibitor

PD-1 inhibitors administered as part of neoadjuvant immunochemotherapy, combined with platinum-based chemotherapy for 2-4 cycles.

Sponsors & Collaborators

  • Henan Cancer Hospital

    lead OTHER_GOV

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-08-20
Primary Completion
2027-12-31
Completion
2028-08-20

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07778056 on ClinicalTrials.gov