The purpose of this study is to determine whether AMG 386, in combination with Sorafenib, is effective in the treatment of advanced or inoperable Hepatocellular cancer in subjects who have not received any prior systemic therapy except surgery or locoregional therapy. Disease status and disease progression will be assessed every 8 weeks. Subjects will remain on treatment until: progressive disease by RECIST criteria; clinical progression; death or loss to follow-up; or withdrawal of informed consent.
The primary objective is to evaluate the efficacy of AMG 386 in combination with sorafenib as measured by the progression free survival (PFS) rate at 4 months in subjects with advanced or inoperable hepatocellular carcinoma (HCC).
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
60
Two doses of AMG 386 (15 mg/kg) IV QW will be studied
Two doses of AMG 386 (10 mg/kg) IV QW will be studied
Sorafenib 400 mg PO BID orally twice daily in an every 4 week dosing schedule for 15mg/kg cohort \& 10mg/kg cohort
Progression free survival (PFS) rate at 4 months
Time frame: 4 months
Incidence of adverse events and significant laboratory abnormalities
Time frame: Adverse events at every visit, significant laboratory abnormalities at least every 4 weeks
Objective response rate, Disease control rate, Progression free survival, Overall survival, Time to progression
Time frame: Radiologic imaging every 8 weeks
Pharmacokinetic parameters for AMG 386 when used in combination with Sorafenib
Time frame: Weeks 1, 2, 5, 9, and every 16 weeks thereafter
Pharmacokinetic parameter for Sorafenib when used in combination with AMG 386
Time frame: Weeks 2, 5, 9, and every 16 weeks thereafter
Incidence of the occurrence of anti-AMG 386 antibody formation
Time frame: Weeks 1, 5, 9, and every 16 weeks thereafter
Baseline values of and changes from baseline in pharmacodynamic, immunologic, biochemical, transcriptional, pharmacogenetic and angiogenic markers
Time frame: Weeks 1, 2, 5, and every 16 weeks thereafter
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