Cabozantinib in Patients With Advanced Hepatocellular Carcinoma With Child Pugh Class B Cirrhosis After First-Line Therapy

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• Prior radiation, liver directed therapy (including bland, chemo- or radioembolization, or ablation), or hepatic resection are permitted if ≥4 weeks from start of therapy. Extra-hepatic palliative radiation is permitted if completed ≥2 weeks prior to first dose of study therapy and the patient has recovered to ≤ grade 1 toxicity.
• Patients must have radiographically measurable disease (RECIST1.1) in at least one site not previously treated or with progression after radiation or liver directed therapy (including bland, chemo- or radio-embolization, or ablation) either within the liver or in a metastatic site.
• Patients must have either progressed or deemed intolerant of first-line systemic therapy. More than one line of systemic therapy is not permitted. The last dose should be at least 2 weeks from first dose of study therapy. Prior treatment may not contain cabozantinib.
• Recovery to ≤ grade 1 from toxicities related to any prior treatments, unless the AEs were clinically non-significant and/or stable on supportive therapy
• Must have a Child-Pugh score of B7 or B8
• Must have an ECOG performance status of 0-1.
• Ability to understand and willingness to sign IRB-approved informed consent.
• Willing to provide archived tissue, if available, from a previous diagnostic biopsy.
• Must be able to tolerate CT and/or MRI with contrast.
• Adequate organ function obtained ≤ 2 weeks prior to enrollment.
• Must not have uncontrolled ascites (requiring paracentesis within 3 months of screening) or hepatic encephalopathy requiring hospitalization (within 6 months of screening)
• Must not have prior history of organ transplantation.
• No known brain metastasis unless adequately treated with radiotherapy and/or surgery and stable for at least 4 weeks before registration. Eligible subjects must have been without corticosteroid treatment at the time of registration.
• Must not have an active second malignancy other than non-melanoma skin cancer or cervical carcinoma in situ. Patients with history of malignancy are eligible provided primary treatment of that cancer was completed \> 1 year prior to enrollment and the patient is free of clinical or radiologic evidence of recurrent or progressive malignancy.
• Must not have uncontrolled, significant intercurrent or recent illness including, but not limited to the following conditions:
• * Cardiovascular disorders (Congestive heart failure or uncontrolled hypertension; or stroke, myocardial infarction, or other ischemic or thromboembolic event within 6 months before first dose)
• * Gastrointestinal disorders, including those associated with a high risk of perforation or fistula formation
• * Clinically significant hematuria, hematemesis, or hemoptysis of \> 0.5 teaspoon of red blood or other history of significant bleeding within 12 weeks before first dose
• * Cavitating pulmonary lesion(s) or known endotracheal or endobronchial disease manifestation
• * Lesions invading or encasing any major blood vessels except thromboses of portal/hepatic vasculature attributed to underlying liver disease and/or liver tumor
• * Other clinically significant disorders that would preclude safe study participation (serious non-healing wound/ulcer/bone fracture; uncompensated/symptomatic hypothyroidism; known HIV)
• Must not have untreated or incompletely treated varices with bleeding or high risk for bleeding. Subjects treated with adequate endoscopic therapy (in accordance with institutional standards) without any episodes of recurrent overt GI bleeding requiring transfusion or hospitalization for at least 6 months prior to study entry are eligible
• Must not have a psychiatric illness, other significant medical illness, or social situation (such as involuntary incarceration) which, in the investigator's opinion, would limit compliance or ability to comply with study requirements
• Women must not be pregnant or breastfeeding since cabozantinib may harm the fetus or child.
• Women of child-bearing potential (not surgically sterilized and between menarche and 1-year post menopause) and men must agree to use 2 methods of adequate contraception (hormonal plus barrier or 2 barrier forms) OR abstinence prior to study entry, for the duration of study participation, and for 4 months following completion of study therapy. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately.
• Prisoners or subjects who are involuntarily incarcerated, or compulsorily detained for treatment of either a psychiatric or physical (e.g. infectious disease) illness would be excluded.
• Concomitant treatment with strong inducers or inhibitors of CYP3A4 is not allowed. Patients must discontinue the drug(s) at least 14 days prior to first study dose on the study.
• Concomitant anticoagulation with oral anticoagulants (e.g. warfarin, direct thrombin and factor Xa inhibitors), or platelet inhibitors (e.g. clopidogrel) is not allowed.
• Must not have corrected QT interval calculated by the Fridericia formula (QTcF) \> 500 ms per electrocardiogram (ECG) within 28 days before first dose of study treatment.