A Study of ONCO-DOX in Locally Advanced Hepatocellular Carcinoma

This is a prospective, two-arm, stratified then randomized (1:1), open label, controlled,
multicenter Phase III trial to evaluate the safety and efficacy of ONCOZENE™ Microspheres
loaded with doxorubicin (ONCO-DOX) in comparison with orally administered sorafenib in
patients with unresectable, locally-advanced hepatocellular carcinoma (HCC).

Patients will be stratified by ECOG Performance Status 0 versus 1, portal vein invasion (yes
vs. no), and alpha feto protein <400 versus ≥400. They will then be randomized at each site
within each stratum.

The study will be conducted at up to 40 centers in the United States, Europe & Asia. Enrolled
patients will be randomized with equal allocation by study site.

Patients will be followed for two years after the onset of treatment.

The study will assess prospectively the efficacy and safety of DEB-TACE (ONCO-DOX) in
patients with unresectable, locally-advanced HCC. The primary objective of this study is to
compare the overall survival between DEB-TACE (ONCO-DOX) and sorafenib treatment groups.

Inclusion Criteria:

1. Written Informed Consent

2. ≥18 years of age

3. Diagnosis of HCC

4. Locally advanced HCC

5. Preserved liver function

6. Eastern Cooperative Oncology Group 0 or 1

Exclusion Criteria:

1. Presence of extra-hepatic spread of disease.

2. Macrovascular invasion of lobar portal vein branches or main portal vein.

3. Candidate for surgical resection, transplantation, or local ablation.

4. Prior intra-arterial embolization, chemotherapy or systemic therapy for HCC.

5. Any contraindication for TACE.

6. Platelet count <50,000/mm3 or international normalized ratio >1.5.

7. Previous treatment with anthracycline antibiotics (e.g. Doxorubicin) or sorafenib.

8. Unstable coronary artery disease or recent myocardial infarct (i.e. within 1 year).

9. Known ejection fraction < 50%.

10. Current infections requiring antibiotic therapy.

11. Suffering from a known bleeding disorder.

12. Renal insufficiency (serum creatinine > 2 mg/dL).

13. Aspartate aminotransferase and/or alanine transaminase >5 times upper limit of normal.

14. Presence of advanced liver disease.

15. Any contraindication for doxorubicin administration:

16. Any co-morbid condition or social situation, which has a high likelihood of causing
poor compliance with the study protocol or jeopardizes the patient's safety.

17. Patient has another primary tumor, with the exception of conventional basal cell
carcinoma, superficial bladder cancer, melanoma in situ, or treated prostate cancer
currently without biochemical or radiographic evidence of active disease

18. Participation in a clinical trial of an investigational device or drug within 4 weeks
of study entry.

19. Pregnant or breast-feeding patients.