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A Phase II Single-Arm Clinical Study to Evaluate the Efficacy and Safety of Carbon Ion Radiotherapy With Atezolizumab and Bevacizumab Combination Therapy in Patients With Advanced Hepatocellular Carcinoma

NCT07246668 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 52

Last updated 2025-11-24

No results posted yet for this study

Summary

This single-center, prospective phase II clinical trial evaluates the safety and therapeutic efficacy of combining carbon ion radiotherapy with the standard first-line regimen of atezolizumab and bevacizumab in patients with advanced hepatocellular carcinoma. The study aims to determine whether the addition of carbon ion radiotherapy enhances tumor control and improves clinical outcomes beyond those achieved with systemic therapy alone. Key endpoints include overall survival, progression-free survival, objective response rate, and treatment-related adverse events.

Conditions

Interventions

RADIATION

Carbon Ion Radiotherapy Atezolizumab Bevacizumab

Participants will initiate systemic therapy with atezolizumab (1200 mg IV every 3 weeks) and bevacizumab (15 mg/kg IV every 3 weeks). Carbon ion radiotherapy will subsequently be administered to the primary hepatic lesion during the early phase of systemic therapy. Carbon ion radiotherapy will be delivered using a hypofractionated schedule (approximately 4-12 fractions), with dose and fractionation individualized based on tumor size, anatomical location, and organ-at-risk considerations. After completion of carbon ion radiotherapy, participants will continue maintenance treatment with atezolizumab and bevacizumab until disease progression or unacceptable toxicity.

Sponsors & Collaborators

  • Yonsei University

    lead OTHER

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
20 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-03-10
Primary Completion
2027-03-31
Completion
2028-03-31

Countries

  • South Korea

Study Locations

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Entities

Diseases

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 NCT07246668 on ClinicalTrials.gov