Fraction Dose Escalation of Split-course Hypofractionated Concurrent Chemoradiotherapy Following Induction Chemo-immunotherapy in Unresectable Locally Advanced Esophageal Squamous Carcinoma: a Phase I Study.

NCT ID: NCT06020885

Last Updated: 2025-07-21

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE1

Total Enrollment

18 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-08-31

Study Completion Date

2025-10-30

Brief Summary

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This Phase I study is to determine the maximum tolerated fraction dose (MTD) for split-course hypo-CCRT following induction chemo-immunotherapy in LA-ESCC patients, to clarify the dosimetric advantage of split-course hypo-CCRT, and to investigate the treatment-related toxicities and quality of life of the new regimen.

Detailed Description

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This Phase I study is to determine the maximum tolerated fraction dose (MTD) for split-course hypo-CCRT following induction chemo-immunotherapy in LA-ESCC patients, to clarify the dosimetric advantage of split-course hypo-CCRT, and to investigate the treatment-related toxicities and quality of life of the new regimen.

Conditions

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Esophageal Squamous Cell Carcinoma

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Experiment group

This is a prospective, single-arm, phase 1 trial. A total of 18 unresectable LA-ESCC patients are required to be enrolled.

1. Induction chemo-immunotherapy All patients receive 2-3 cycles of Abraxane 260mg/m2 d1+cisplatin 60mg/m2 d1+Toripalimab 240mg d1.
2. Hypo-CCRT Evaluation will be performed three weeks after the induction chemo-immunotherapy, LA-ESCC patients without disease progression will continue the split-course hypo-CCRT treatment.

Split-course hypo-CCRT is administered at the following three dose levels:

* Level 1: DT 3000cGy/10 daily fractions/300cGy in the first course, DT 2000cGy/10 daily fractions/200cGy in the second course;
* Level 2: DT 2800cGy/7 daily fractions/400cGy in the first course, DT 2200cGy/10 daily fractions/220cGy in the second course;
* Level 3: DT 2500cGy/5 daily fractions/500cGy in the first course, DT 2500cGy10 daily fractions/250cGy in the second course.

Group Type EXPERIMENTAL

Split-course hypo-CCRT

Intervention Type RADIATION

Split-course hypo-CCRT is administered at the following three dose levels:

* Level 1: DT 3000cGy/10 daily fractions/300cGy in the first course, DT 2000cGy/10 daily fractions/200cGy in the second course;
* Level 2: DT 2800cGy/7 daily fractions/400cGy in the first course, DT 2200cGy/10 daily fractions/220cGy in the second course;
* Level 3: DT 2500cGy/5 daily fractions/500cGy in the first course, DT 2500cGy10 daily fractions/250cGy in the second course.

Induction chemo-immunotherapy

Intervention Type DRUG

All patients receive 2-3 cycles of Abraxane 260mg/m2 d1+cisplatin 60mg/m2 d1+Toripalimab 240mg d1.

Concurrent chemotherapy

Intervention Type DRUG

Concurrent capecitabine was administered orally at 1000mg/m2 twice daily within half an hour after meals concurrently with radiotherapy.

Interventions

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Split-course hypo-CCRT

Split-course hypo-CCRT is administered at the following three dose levels:

* Level 1: DT 3000cGy/10 daily fractions/300cGy in the first course, DT 2000cGy/10 daily fractions/200cGy in the second course;
* Level 2: DT 2800cGy/7 daily fractions/400cGy in the first course, DT 2200cGy/10 daily fractions/220cGy in the second course;
* Level 3: DT 2500cGy/5 daily fractions/500cGy in the first course, DT 2500cGy10 daily fractions/250cGy in the second course.

Intervention Type RADIATION

Induction chemo-immunotherapy

All patients receive 2-3 cycles of Abraxane 260mg/m2 d1+cisplatin 60mg/m2 d1+Toripalimab 240mg d1.

Intervention Type DRUG

Concurrent chemotherapy

Concurrent capecitabine was administered orally at 1000mg/m2 twice daily within half an hour after meals concurrently with radiotherapy.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* histologically confirmed ESCC
* II-IVB stages (IVB stage only with metastatic celiac or supraclavicular lymph nodes) based on the TNM staging system proposed by the International Union Against Cancer (UICC 2002)
* Eastern Cooperative Oncology Group (ECOG) performance status score 0-1
* Charlson Comorbidity Index score≤4
* oral medication can be administered despite esophageal obstruction
* adequate hematological, renal and hepatic functions

Exclusion Criteria

* contraindication for radiotherapy or chemotherapy
* prior malignancies, except for curable non-melanoma skin cancer or cervical carcinoma in situ
* distant metastasis, except for celiac or supraclavicular lymph nodes metastases
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Sun Yat-sen University

OTHER

Sponsor Role lead

Responsible Party

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Hui Liu

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Hui Liu, Professor

Role: PRINCIPAL_INVESTIGATOR

Sun yat-sen universtiy cancer center

Locations

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Sun yat-sen University Cancer Center

Guangzhou, Guangdong, China

Site Status

Countries

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China

Other Identifiers

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GASTO-10102

Identifier Type: -

Identifier Source: org_study_id

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