Active Surveillance After Neoadjuvant Adebrelimab Combined With Chemoradiotherapy for Resectable ESCC

Trial statusNot yet recruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-75
SponsorZhigang Li

About this trial

In this prospective trial, patients demonstrating clinical complete response (cCR) as determined by a standard response assessment protocol (incorporating clinical and molecular diagnostic methods) will be offered organ-sparing management following neoadjuvant therapy with adebrelimab (anti-PD-L1) concurrent with chemoradiotherapy. The primary endpoint is 2-year overall survival rate in this watch-and-wait cohort.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Subjects signed the informed consent and volunteered to participate in the study.

Esophageal squamous cell carcinoma confirmed by histology or cytology.

Thoracic esophageal squamous cell carcinoma confirmed by CT or pet-CT, which is classified as cII-III (AJCC 8th).

Expect to have R0 resection

Disqualifiers

anti-tumor interventions such as radiotherapy, chemotherapy, or other medications.

immunosuppressants or systemic glucosteroids (prednisone equivalence> 10mg/d) within 2 weeks before the first administration, inhaled or topical use of glucosteroids (prednisone equivalence>10mg/d) is allowed if no known active autoimmune disease.

live vaccine within 4 weeks before the first administration.

major surgery or major injury within 4 weeks before the first administration.

Trial design

Design model

Single group

Treatments tested in this trial

  • Adebrelimab and nab-paclitaxel and carboplatin

    Drug

    Adebrelimab combined with nab-paclitaxel and carboplatin as neoadjuvant therapy

  • Radiation

    Radiation

    concurrent chemoradiotherapy

  • standard oesophagectomy

    Procedure/Surgery

    standard oesophagectomy

  • active surveillance

    Other intervention

    active surveillance

Treatment groups

164 Participants
are divided into 1 treatment group
Group A: perioperative treatment with adebrelimab and CRTExperimental treatment 4 interventions

Trial outcomes

Primary outcomes

1

2-year OS rate

An overall survival (OS) is defined as the time from treatment to death, regardless of disease recurrence.

Time frame
24 months

Secondary outcomes

1

cCR rate

A clinical complete response rate (cCR) is defined as the complete disappearance of tumor lesions.

Time frame
12 months
2

median EFS

An event-free survival (EFS) is defined as the duration from the start of treatment until disease recurrence or death from any cause, whichever occurs first.

Time frame
24 months
3

median OS

An overall survival (OS) is defined as the time from treatment to death, regardless of disease recurrence.

Time frame
24 months
4

Incidence, type and severity of adverse events as assessed by CTCAE 5.0

Including adverse events and complications. Incidence of adverse events using CTCAE 5.0; grade 3 adverse events and higher-grade will be reported.

Time frame
24 months

Other outcomes

Sponsors and contacts

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Zhigang Li

Lead sponsor

Shanghai Chest Hospital

Sponsor institution

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