The study was stopped because of slow accrual

The objective of this pilot study is to evaluate the safety, tolerability and activity of the monoclonal antibody CT-011 administered intravenously to patients with Primary Hepatocellular Carcinoma.

Inclusion Criteria:

1. Subjects aged 18 years and above, both genders.
2. Histologically or cytologically confirmed Primary Hepatocellular Carcinoma (HCC)
3. No fibrolamellar subtype HCC
4. Not eligible for any other systemic anti-neoplastic treatment approved for HCC
5. Not eligible for Transarterial chemoembolization (TACE ).
6. No more than 1 prior systemic therapy. Previous TACE or Radiofrequency ablation (RFA) that were used for HCC, are permitted.
7. Not a candidate for curative surgical resection or liver transplantation
8. Measurable disease defined by the identification at least 1 measurable lesion by MRI using RECIST criteria. Tumor in area of TACE or RFA must be enlarging post-procedure to be considered measurable disease.
9. Alpha-fetoprotein (AFP) greater than the upper limit of normal (ULN)
10. Child's Pugh classification A
11. ECOG performance status 0-1

Exclusion Criteria:

1. Patients progressing to liver failure.
2. No core biopsy within the past 7 days
3. Patients who are eligible for Transarterial Chemoembolization (TACE)
4. Patients on concurrent anti-neoplastic therapy (including interferon)
5. Patients who have received any systemic anti-neoplastic therapy not approved for the treatment of HCC.
6. Patients on concurrent steroids, other than those allowed for routine antiemetics, or inhaled steroids
7. Presence of metastasis.