DISEASE CHARACTERISTICS:

• Histologically or cytologically confirmed non-small cell lung cancer (NSCLC)

  • Stage IIIB* or IV disease NOTE: *Due to malignant pleural effusion or supraclavicular lymph node involvement only
• Previously treated with maximally feasible surgical resection and/or radiotherapy for initial disease
• Failed 1 prior platinum-containing chemotherapy regimen for advanced or metastatic disease due to disease progression or treatment toxicity
• At least 1 site of unidimensionally measurable disease by physical exam or radiography
• No known CNS metastases or leptomeningeal metastases requiring corticosteroids

PATIENT CHARACTERISTICS:

Age

• 18 and over

Performance status

• ECOG 0-1

Life expectancy

• More than 3 months

Hematopoietic

• Absolute neutrophil count ≥ 1,500/mm^3
• Hemoglobin ≥ 8 g/dL
• Platelet count ≥ 75,000/mm^3

Hepatic

• AST ≤ 2.5 times upper limit of normal (ULN) (5 times ULN for patients with hepatic metastases)
• Alkaline phosphatase ≤ 5 times ULN
• Bilirubin ≤ 1.8 mg/dL

Renal

• Creatinine ≤ 2.0 mg/dL

Cardiovascular

• No New York Heart Association class III or IV congestive heart failure
• No personal or family history of congenital long QT syndrome
• No QTc interval > 450 msec (males) or > 470 msec (females) by ECG

Other

• Not pregnant or nursing
• Negative pregnancy test
• Fertile patients must use effective contraception
• No preexisting neuropathy ≥ grade 2

• No other malignancy within the past 5 years except for the following:

  • Cured basal cell skin cancer
  • Carcinoma in situ of the cervix or urinary bladder
  • Stage T1 or T2 prostate cancer with prostate-specific antigen < 2 ng/mL
• No hypersensitivity reaction ≥ grade 3 to prior Cremophor-containing therapy
• No infection requiring parenteral or oral anti-infective therapy
• No weight loss of ≥ 10% within the past 3 months
• No altered mental status or psychiatric illness that would preclude giving informed consent
• No other medical condition that would preclude study participation

PRIOR CONCURRENT THERAPY:

Biologic therapy

• No concurrent granulocyte-macrophage colony-stimulating factor (sargramostim [GM-CSF])
• No concurrent routine prophylactic granulocyte colony-stimulating factor (filgrastim [G-CSF])

Chemotherapy

• See Disease Characteristics
• At least 3 weeks since prior chemotherapy and recovered

Endocrine therapy

• See Disease Characteristics

Radiotherapy

• See Disease Characteristics
• At least 3 weeks since prior radiotherapy and recovered

Surgery

• See Disease Characteristics
• At least 3 weeks since prior surgery and recovered

Other

• Prior adjuvant or neoadjuvant therapy allowed
• Prior radiosensitizers allowed
• At least 2 weeks since prior gefitinib
• More than 3 weeks since prior investigational agents (therapeutic or diagnostic)
• No other concurrent investigational agents
• No other concurrent anticancer treatment