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Efficacy and Safety of a Third-Course of Neoadjuvant Immunochemotherapy Combined With SBRT in Locally Advanced Head and Neck Squamous Cell Carcinoma Patients With Stable Disease After Two Treatment Courses: A Single-Arm Exploratory Study

NCT06722495 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 20

Last updated 2024-12-09

No results posted yet for this study

Summary

Neoadjuvant immunotherapy before surgery has shown good efficacy and safety in locally advanced HNSCC, particularly with the use of PD-1 inhibitors combined with chemotherapy, where some patients have achieved a high rate of pathological complete response. However, approximately 40% of patients respond poorly to neoadjuvant immunochemotherapy, with prolonged treatment courses failing to significantly improve outcomes, and some patients may even experience disease progression. For these patients, timely surgery or definitive radiotherapy combined with other well-tolerated therapeutic approaches is needed to improve pathological response rates, enhance long-term survival, and preserve organ function.

Conditions

  • SBRT
  • Neoadjuvant Immunochemotherapy
  • LA HNSCC

Interventions

RADIATION

SBRT

Patient will receive SBRT (8Gy\*3F) in combination with the original regimen of neoadjuvant immunochemotherapy in course 3. Gross tumor target volume (GTV) based on the primary foci clearly identified by clinical and imaging examinations. The GTV was discharged 3 mm to generate a Planning target volume (PTV). the target area (PTV) was dosed accordingly to the PTV.

Sponsors & Collaborators

  • Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

    lead OTHER

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-12-24
Primary Completion
2026-09-26
Completion
2026-12-26

Countries

  • China

Study Locations

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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 NCT06722495 on ClinicalTrials.gov