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Streamlining Radioembolization for Small HCC

Streamlining Radioembolization for HCC ≤ 5 cm With Y90 Resin Microspheres : Multicenter Prospective Registry Study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT06979219
Acronym
ISTAR-02
Enrollment
146
Registered
2025-05-18
Start date
2025-06-10
Completion date
2029-12-31
Last updated
2026-08-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hepatocellular Carcinoma (HCC)

Brief summary

In patients who has no sign suggesting high lung shunt fraction (TIPS, hepatic vein invasion, hepatic vein enhancement on arterial phase, dysmorphic intratumoral vessel, tumor size \< 5cm), radioembolization is performed without MAA scan with SIR-Spheres. This prospective registry will prove that the selection criteria is accurate and streamlining radioembolization is feasible and safe.

Interventions

None listed

Sponsors

Seoul National University Hospital
Lead SponsorOTHER

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
19 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* adults aged \>18 years * Patients diagnosed with hepatocellular carcinoma histologically and/or radiologically (LI-RADS 4 or 5) * hepatocellular carcinoma 5cm or smaller * Tumor number is 3 or smaller * Dysmorphic intratumoral vessel is absent or smaller than 3 mm * Child-Pugh class A * ECOG 0 or 1 * the following lab should be met. A. Leukocytes ≥ 1,000/µL and ≤ 20,000/µL B. Hemoglobin ≥ 6.0 g/dL (transfusion allowed to meet this criterion) C. Total bilirubin ≤ 2.0 mg/dL D. Platelet ≥ 40,000/µL E. International normalized ratio (INR) ≤ 2.0 for patients not taking anticoagulants F. Aspartate transaminase (AST) ≤ 800 IU/L (i.e., ≤ 20X upper normal limit) G. Alanine transaminase (ALT) ≤ 800 IU/L (i.e., ≤ 20X upper normal limit) H. Creatinine ≤ 2.5 mg/dL (if patient is receiving hemodialysis, no upper limit of creatinine) * Patients with a life expectancy of \>3 mo * Patients who have adequately understood the clinical trial and consented in writing * Nonpregnant women of childbearing potential

Exclusion criteria

1. Hepatic vein invasion on CT/MRI 2. Marked enhancement of portal vein or hepatic vein on arterial phase of CT/MRI 3. Dysmorphic intratumoral vessel ≥3mm 4. Patient with transjugular intrahepatic portosystemic shunt 5. Patient with bilioenteric anastomosis or biliary stent 6. Patient with centrilobular emphysema or interstitial lung disease 7. main portal vein invasion

Design outcomes

Primary

MeasureTime frameDescription
complete response rate by mRECISTup to 1 yearthe proportion of CR by mRECIST at any time of the primary target tumor

Secondary

MeasureTime frame
objective response rateup to 1 year
local progression-free survivalFrom date of radioembolization until the date of first documented progression of treated tumor or date of death from any cause, whichever came first, assessed up to 60 months
Progression-free survivalFrom date of radioembolization until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 60 months
overall survivalFrom date of radioembolization until the date of death from any cause, assessed up to 60 months

Countries

South Korea

Contacts

CONTACTHyo-Cheol Kim, MD
radioembolization@snu.ac.kr82-10-5136-5205

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 19, 2026