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Selective Internal Radiation Therapy (SIRT) Using SIR-Spheres® Y-90 Resin Microspheres on DoR & ORR in Unresectable Hepatocellular Carcinoma Patients

About

Brief Summary

The objective of this pivotal study is to evaluate the safety and effectiveness of SIRT using SIR-Spheres Y-90 resin microspheres as first-line treatment for local control of HCC in patients with Barcelona Clinic Liver Cancer (BCLC) stage A, B1, B2, and C.

SIR-Spheres consist of biocompatible resin microspheres containing yttrium-90 (Y-90), with a size between 20 and 60 microns in diameter. Y-90 is a high-energy pure beta-emitting isotope with no primary gamma emission. SIR-Spheres are indicated for the local tumor control of unresectable hepatocellular carcinoma (HCC) in patients with Barcelona Clinic Liver Cancer (BCLC) stage A, B1 and B2, maximal single lesion size of 8 cm, no macrovascular invasion, well-compensated liver function and good performance status. It is also indicated for the treatment of unresectable metastatic liver tumors from primary colorectal cancer with adjuvant intra-hepatic artery chemotherapy (IHAC) of Floxuridine (FUDR).
Primary Purpose
Treatment
Study Type
Interventional
Phase
N/A

Eligibility

Gender
All
Healthy Volunteers
No
Minimum Age
18 Years
Maximum Age
N/A

Inclusion Criteria:

  • Willing, able, and mentally competent to provide written informed consent
  • Age 18 or older at the time of consent
  • All tumors must be measurable by CT or MRI according to localized mRECIST
  • Life expectancy ≥ 6 months (to allow for adequate completion of study procedures and collection of data)
  • Diagnosis of HCC with Liver Imaging Reporting and Data System (LIRADS) 4 or 5 or by histology
  • Treatment-naïve patients or patients who have developed a new lesion following one of these prior locoregional treatments:
    • Liver resection with negative pathologic margins, no microvascular invasion, and no recurrence at resection margins for at least 6 months post-treatment and no new lesions within 6 months of liver resection
    • Ablation of a single ≤3cm lesion with no recurrence of the treated lesion for at least 6 months post-treatment
  • BCLC stage A, B1, B2, and C with maximal single tumor size of ≤8 cm and sum of the maximal tumor dimensions of ≤12 cm with the entire tumor burden expected to be treatable within the perfused volume
  • At least one lesion ≥1 cm in diameter (long axis) measured according to mRECIST criteria by CT or MRI
  • Child-Pugh score of A5 or A6 at baseline
  • Eastern Cooperative Oncology Group (ECOG) performance score of ≤1 at baseline
  • Adequate blood count, liver enzymes, and renal function at baseline
    • Platelet count >50,000/microliter (patients may not receive a platelet transfusion or growth factors to increase the platelet count so that the patient may be eligible for the study)
    • White Blood Cell (WBC) ≥ 3 x 10^9/L
    • Hemoglobin > 8.5 g/dL
    • Aspartate transaminase (AST) & Alanine transaminase (ALT) < 5 x upper limit normal
    • Bilirubin ≤ 2.0 mg/dL
    • Albumin > 3.0 g/dL
    • International normalized ratio (INR) ≤ 2.0
    • Glomerular filtration rate (GFR) > 50
  • Negative serum pregnancy test at baseline
  • Life expectancy of > 3 months without any active treatment

Exclusion Criteria:

  • Patients eligible for ablation or resection for their malignancy, in the opinion of the investigator, at the time of screening
  • Prior systemic anti-cancer therapy (including immunotherapy and/or targeted therapy), radiotherapy or use of other investigational agents for the treatment of HCC
  • Intrahepatic arteriovenous shunting (arteriovenous shunting resulting from a biopsy is allowed but must be embolized during the pre-treatment mapping procedure)
  • Incompetent biliary duct system, prior biliary intervention or a compromised Ampulla of Vater
  • Planned localized cancer treatment to the liver, other than the study treatment, throughout the duration of the study.
  • Planned systemic cancer treatment throughout the duration of the study
  • Patients with portal vein thrombosis
  • Patients with extrahepatic disease
  • Patients with contraindications to angiography and selective visceral catheterization
  • Evidence of extrahepatic collateral supply to the tumor
  • Evidence of potential delivery of mean radiation dose > 30 Gy to the lungs (single treatment)
  • Evidence of any detectable 99m Tc-macroaggregated albumin (99m Tc-MAA) flow outside of the liver in the abdomen, after application of established angiographic techniques to stop or mitigate such flow (e.g., placing catheter distal to gastric vessels or coiling)
  • Evidence that < 33% of the total liver volume is disease-free and will be spared SIR-Spheres treatment
  • Prior liver resection and/or liver transplant, with exception for patients with prior resection who meet inclusion criterion 6a
  • Female patients who are pregnant, breastfeeding, or premenopausal and unwilling to use an effective method of contraception through the 1-year follow-up; males unwilling to use effective method of contraception for 30 days post-procedure
  • Medical history of clotting disorders
  • Underlying pulmonary disease requiring chronic oxygen therapy
  • Evidence of portal hypertension with ascites as seen on cross-sectional imaging or any history of prior variceal bleeding within 6 months prior to screening
  • Concurrently enrolled in another study unless it is an observational, noninterventional study
  • Active infection (hepatitis B (HBV) infection with ongoing HBV treatment and successfully treated hepatitis C infection are allowed)
  • History of other cancer with current active treatment
  • Patients with drug or alcohol dependency (within 6 months prior to study entry) in the opinion of the investigator
  • History of severe allergy or intolerance to contrast agents, narcotics, or sedatives
  • Any condition that, in the opinion of the investigator, would interfere with safe delivery of the study treatment or with the interpretation of study results

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Study Stats
Protocol No.
22-001013
Category
Liver Cancer
Principal Investigator
Edward Lee
Location
  • UCLA Westwood
For Providers
NCT No.
NCT04736121
For detailed technical eligibility, visit ClinicalTrials.gov.