Biological Therapy in Previously Treated Patients With Non-small Cell Lung Cancer

DISEASE CHARACTERISTICS: Histologically proven recurrent or refractory non-small cell lung cancer At least one prior systemic therapy OR prior radiation therapy Must have measurable disease Previously irradiated sites of disease are not considered evaluable unless there is radiologic documentation of progression PATIENT CHARACTERISTICS: Age: Not specified Performance Status: ECOG 0-2 Life Expectancy: At least 3 months Hematopoietic: WBC at least 3,000/mm3 Hemoglobin greater than 10 g/dL Platelet count greater than 100,000/mm3 Hepatic: Bilirubin less than 2.0 mg/dL Renal: Creatinine less than 2.0 mg/dL Cardiovascular: No prior history of myocardial infarction within previous 6 months No uncompensated congestive heart failure No primary (not due to electrolytes or drugs) cardiac arrhythmias besides premature ventricular contractions Pulmonary: No dyspnea at rest or need for supplemental oxygen Patients with symptomatic lung disease or extensive lung metastases must have oxygen saturation greater than 90% Other: Not pregnant or nursing Negative pregnancy test Patients with elevated temperatures greater than 100.5 F must have no occult infection PRIOR CONCURRENT THERAPY: Biologic therapy: No concurrent cyclosporin Chemotherapy: At least 3 weeks since chemotherapy and recovered No concurrent methotrexate See Disease Characteristics Endocrine therapy: No concurrent systemic corticosteroids Radiotherapy: At least 3 weeks since radiotherapy See Disease Characteristics Surgery: Not specified