A Randomized Phase II Study to Evaluate the Efficacy of Combined Immunotherapy With Subcutaneous Interleukin-2 and Maxamine in Patients With Metastatic Renal Cell Carcinoma

Study start date: June 1, 1999

DISEASE CHARACTERISTICS: Histologically confirmed metastatic renal cell carcinoma Bidimensionally measurable disease No clinical evidence of CNS metastases PATIENT CHARACTERISTICS: Age: 18 to 75 Performance status: Karnofsky 70-100% Life expectancy: At least 3 months Hematopoietic: Hemoglobin greater than 10.0 g/dL WBC greater than 3,000/mm3 Platelet count greater than 100,000/mm3 Hepatic: PTT normal Bilirubin less than 1.25 times upper limit of normal (ULN) Renal: Creatinine less than 1.5 times ULN Cardiovascular: No abnormal cardiac function by resting ECG Pulmonary: FEV and FVC at least 70% predicted SaO2 at least 90% by pulse oximetry Other: Not pregnant or nursing Negative pregnancy test Fertile patients must use effective contraception No clinically significant acute viral, bacterial, or fungal infection requiring specific therapy No pheochromocytoma No glaucoma No other concurrent ongoing active malignancy except carcinoma in situ of the cervix or localized squamous or basal cell carcinoma of the skin No serious recent nonmalignant medical complication that would preclude study therapy No organ grafts except skin grafts, blood transfusions, or bone marrow or stem cell transplantation No prior documented asthma or systemic allergic reaction within past 5 years No history of seizures, CNS disorders, or psychiatric disability that would preclude study compliance No medical, sociologic, or psychological impediment that would preclude study compliance No active peptic or esophageal ulcer disease No prior peptic or esophageal ulcer disease with history of bleeding HIV negative PRIOR CONCURRENT THERAPY: Biologic therapy: At least 4 weeks since prior immunotherapy Chemotherapy: At least 4 weeks since prior chemotherapy (6 weeks for nitrosoureas and mitomycin) No concurrent chemotherapy Endocrine therapy: At least 24 hours since prior steroids No concurrent steroids including steroid therapy for documented adrenal failure or septic shock Concurrent noncorticosteroid hormones for nonmalignancy conditions allowed Radiotherapy: At least 4 weeks since prior extensive radiotherapy No concurrent radiotherapy to measurable malignant masses Surgery: Not specified Other: At least 24 hours since prior beta blockers or clonidine No other concurrent systemic antimalignancy therapy No other concurrent antitumor agents No other concurrent investigational agents No concurrent beta blockers or clonidine No concurrent H2 receptor antagonists (e.g., Zantac, Tagamet) (arm I only) No concurrent antihistamines except to treat acute colds or allergy symptoms