Erlotinib in Treating Patients With Unresectable Liver Cancer and Liver Dysfunction

You may be eligible if

• Histologically or cytologically confirmed unresectable hepatocellular carcinoma (HCC) with or without extrahepatic metastasis
• * No fibrolamellar HCC
• No more than 2 prior therapies for HCC, including systemic chemotherapy, chemoembolization, hepatic arterial infusion of chemotherapeutic agents, and other novel agents
• Measurable disease
• * At least 1 unidimensionally measurable lesion ≥ 20 mm by conventional techniques OR at least 10 mm by spiral CT scan
• Moderate hepatic dysfunction with any of the following:
• * Bilirubin 2-4 g/dL
• * Albumin \< 2.5 g/dL
• * Ascites
• * PT 2-4 seconds \> upper limit of normal (ULN)
• * AST/ALT 2.6-10 times \> ULN
• No known brain metastases
• No ascites that are refractory to conservative management (e.g., sodium restriction to 50 mEq/day dietary sodium and fluid restrictions and/or diuretics)
• Performance status - ECOG 0-2
• At least 16 weeks
• Granulocyte count ≥ 1,500/mm\^3
• Platelet count ≥ 60,000/mm\^3
• Hemoglobin ≥ 10 g/dL
• No decompensated liver disease
• No jaundice
• No portosystemic encephalopathy (evidenced by confusion, asterixis, significant sleep disturbance, or hypothermia less than 36º Celsius)
• No hyponatremia \< 130 mEq/L
• No portal hypertension with bleeding esophageal or gastric varices within the past 3 months
• Creatinine ≤ 2 mg/dL
• No symptomatic congestive heart failure
• No unstable angina pectoris
• No cardiac arrhythmia
• No gastrointestinal tract disease resulting in an inability to take oral medication or requirement for IV alimentation
• No active peptic ulcer disease
• No abnormalities of the cornea (e.g., dry eye syndrome or Sjögren's syndrome)
• No congenital abnormality (e.g., Fuch's dystrophy)
• No significant traumatic injury within the past 21 days
• No other uncontrolled concurrent illness that would preclude study participation
• No ongoing or active infection
• No psychiatric illness or social situation that would preclude study compliance
• Not pregnant or nursing
• Negative pregnancy test
• Fertile patients must use effective contraception
• At least 4 weeks since prior chemotherapy (6 weeks for nitrosoureas or mitomycin) and recovered
• At least 4 weeks since prior radiotherapy and recovered
• No prior surgical therapy affecting absorption
• At least 21 days since prior major surgery
• At least 4 weeks since any other prior agents and recovered
• No prior epidermal growth factor-receptor targeting therapies
• No other concurrent investigational agents
• No concurrent combination antiretroviral therapy for HIV-positive patients