A Study Comparing Immunotherapy Alone Versus Immunotherapy Combined With Radiotherapy in Patients With Hepatocellular Carcinoma (HCC) With Vascular Invasion
IOPT
A Phase II Study of Immunotherapy With or Without Particle Beam Radiation Therapy in Patients With Advanced Hepatocellular Carcinoma Who Have Vascular Invasion: IOPT Study
1 other identifier
interventional
128
1 country
2
Brief Summary
In the present study, we aim to investigate the efficacy and safety of concurrent therapy of Immunotherapy based combination therapy and Radiotherapy in patients with advanced HCC showing macrovascular invasion.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started Apr 2025
Typical duration for phase_2
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 27, 2025
CompletedFirst Posted
Study publicly available on registry
February 14, 2025
CompletedStudy Start
First participant enrolled
April 15, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 6, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
August 6, 2028
December 26, 2025
December 1, 2025
3.3 years
January 27, 2025
December 24, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
PFS (Progression-free survival)
PFS is defined as the time from the date of treatment initiation to the date of the first observation of progressive disease (PD) by the investigator according to RECIST v1.1 criteria or death from any cause.
up to approximately 3 years
Secondary Outcomes (6)
OS(overall survival)
up to approximately 3 years
TTP(Time to progression)
up to approximately 3 years
ORR(Objective response rate)
up to approximately 3 years
DCR(Disease control rate)
up to approximately 3 years
DoR(Duration of response)
up to approximately 3 years
- +1 more secondary outcomes
Study Arms (2)
Arm A
EXPERIMENTALconcurrent therapy of Immunotherapy based combination therapy and Proton beam radiation therapy
Arm B
NO INTERVENTIONconcurrent therapy of Immunotherapy based combination therapy
Interventions
The prescribed dose and fractionation for proton therapy to the PTV will be determined by the physician, taking into account the dose-volume constraints of normal tissues such as the liver and bowel.
Eligibility Criteria
You may qualify if:
- Signed informed consent form
- Age \>= 19 at the time of signing Informed consent form
- Histological or clinical diagnosis of HCC based on the guidelines of the Korean Liver Cancer Association -National Cancer Center
- Unresectable and/or locally advanced or metastatic disease showing major vascular invasion
- a. Presence of major vascular invasion on dynamic CT or dynamic MRI (1+2)
- an intraluminal filling defect adjacent to the primary tumor in portal vein, hepatic vein, and/or inferior vena cava
- an enhancement of the filling defect on arterial phase and a washout on portal/delayed phases
- Having at least one measurable target lesion (per RECIST v1.1)
- a. Participants who received prior locoregional therapy (e.g., radiofrequency ablation, microwave ablation, transarterial chemoembolization, transarterial radioembolization, transarterial embolization, radiation therapy etc.) are eligible provided that other target lesion(s) have not been previously treated with locoregional therapy or the target lesion(s) within the field of locoregional therapy have subsequently progressed in accordance with RECIST v1.1.
- Child-Pugh class A
- Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0-1
- Adequate hematologic and end-organ function, defined by the following laboratory test results, obtained within 28 days prior to screening:
- Hemoglobin ≥ 8.0 g/dL
- Absolute neutrophil count (ANC) ≥ 1,000/mm3
- Platelet count ≥ 50,000/μL
- +9 more criteria
You may not qualify if:
- Fibrolamellar carcinoma or sarcomatoid carcinoma
- Receipt of 2 or more prior systemic therapy for advanced HCC. Additional prior systemic therapies used as adjuvant or local therapy are allowed.
- Receipt of other first-line systemic therapy than immune checkpoint inhibitor-based regimen
- Receipt of prior radiation therapy to liver
- a. Participants are excluded if the potential radiation field overlaps with a previously irradiated area.
- Receipt of locoregional therapy for HCC within 28 days prior to initiation of study treatment or non-recovery from complications due to the procedure (radiofrequency ablation, microwave ablation, cryoablation, trans-arterial embolization including chemo- and radio-embolization, or radiation therapy).
- a. A 7-day washout is permitted for palliative radiation to bone lesions
- Active or history of autoimmune disease or immune deficiency, including, but not limited to, myasthenia gravis, myositis, systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, antiphospholipid antibody syndrome, Wegener granulomatosis, or multiple sclerosis with following exceptions:
- Patients with hypothyroidism stable on hormone replacement
- Controlled type 1 diabetes mellitus and on an insulin regimen
- Any chronic skin condition that does not require systemic therapy
- Prior allogeneic stem cell or solid organ transplantation
- Any condition requiring systemic treatment with either corticosteroids (\> 10 mg daily prednisone equivalent) or other immunosuppressive medications within 14 days prior to initiation of study treatment
- History of severe allergic anaphylactic reactions to chimeric or humanized antibodies or fusion proteins
- Having active brain metastasis or leptomeningeal metastasis
- +6 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
National Cancer Center
Goyang, South Korea
Samsung Medical Center, Seoul
Seoul, South Korea
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- FACTORIAL
- Sponsor Type
- OTHER GOV
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
January 27, 2025
First Posted
February 14, 2025
Study Start
April 15, 2025
Primary Completion (Estimated)
August 6, 2028
Study Completion (Estimated)
August 6, 2028
Last Updated
December 26, 2025
Record last verified: 2025-12