DISEASE CHARACTERISTICS:

• Histologically confirmed malignant melanoma of cutaneous origin

  • Patients with unknown primary allowed
• Stage IV disease
• Measurable disease by physical examination, CT scan, MRI or plain x-ray

• Unresectable disease

  • Residual or recurrent disease after prior surgery for stage IV disease allowed

    • Residual tumor at the site of incomplete resection may be included only as nonmeasurable disease
• Must have serum lactate dehydrogenase (LDH) levels measured
• Must have tissue specimens available

• No history of brain metastases

  • Negative brain CT scan or MRI within the past 42 days

PATIENT CHARACTERISTICS:

• Zubrod performance status 0-1
• Bilirubin ≤ 1.5 times upper limit of normal (ULN)
• SGOT or SGPT ≤ 2.5 times ULN (5 times ULN if hepatic metastases)
• Creatinine ≤ 1.5 times ULN
• Absolute neutrophil count ≥ 1,000/mm^3
• Platelet count ≥ 100,000/mm^3
• Hemoglobin ≥ 9.0 g/dL
• Fasting cholesterol ≤ 350 mg/dL (lipid-lowering agents allowed)
• Triglycerides ≤ 300 mg/dL (lipid-lowering agents allowed)
• No symptomatic sensory neuropathy ≥ grade 2
• No evidence of bleeding diathesis or coagulopathy
• No congestive heart failure
• No myocardial infarction within the past 2 months
• No New York Heart Association class III or IV heart disease
• No condition that impairs the ability to swallow pills (e.g., gastrointestinal tract disease resulting in an inability to take oral medication, requirement for IV alimentation, prior surgical procedure affecting absorption, or active peptic ulcer disease)
• No known allergy to imidazoles (e.g. clotrimazole, ketoconazole, miconazole, or econazole)
• No history of allergic reaction to compounds of similar chemical or biologic composition as tipifarnib

• No hypertension with systolic blood pressure (BP) > 140 mm Hg or diastolic BP > 90 mm Hg

  • Patients with well-controlled hypertension allowed
• Not pregnant or nursing
• Negative pregnancy test
• Fertile patients must use effective contraception
• No uncontrolled diabetes
• No uncontrolled chronic renal or liver disease
• No active uncontrolled infection
• No other severe or uncontrolled medical disease
• No psychologic or medical condition that would preclude study treatment or compliance
• No other malignancy within the past 5 years except adequately treated basal cell or squamous cell skin cancer, adequately treated stage I or II cancer that is in complete remission, or carcinoma in situ of the cervix

PRIOR CONCURRENT THERAPY:

• See Disease Characteristics
• At least 90 days since prior adjuvant therapy, including cytotoxic agents
• At least 28 days since prior radiotherapy
• At least 28 days since prior surgery to remove the tumor
• No prior systemic therapy for stage IV melanoma
• No prior therapy with agents targeting farnesyl transferase, the MAP kinase pathway, or vascular endothelial growth factors (VEGF) or receptors (VEFGR), including drugs such as sorafenib, temsirolimus, or tipifarnib
• Concurrent lipid-lowering agents allowed
• Not requiring full-dose anticoagulation for recent thrombotic event
• No concurrent highly active antiretroviral therapy (HAART) in HIV-positive patients

• No concurrent use of any of the following:

  • Dilantin
  • Carbamazepine
  • Phenobarbital
  • Rifampin
  • Hypericum perforatum (St. John's wort)
  • Ketoconazole
  • Itraconazole
  • Ritonavir
  • Cyclosporine
  • Phenytoin
  • Grapefruit juice