• Eliahu Gez, Raphael Rubinov, Diana Gaitini, Shimon Meretyk, Lael-Anson Best, Ofer Native, Avi Stein, Nahum Erlich, Alexander Beny, Jamal Zidan, Nissim Haim, and Abraham Kuten.
• Department of Oncology, Rambam Medical Center, Haifa, Israel. e_gez@rambam.health.gov.il
• Cancer. 2002 Oct 15; 95 (8): 1644-9.

BackgroundThe current study evaluated the efficacy and toxicity of interleukin-2 (IL-2), interferon-alpha (IFN-alpha), 5-fluorouracil (5-FU), and vinblastine (VBL) in the treatment of metastatic renal cell carcinoma (MRCC).MethodsSixty-two MRCC patients, median age 63 years, received immunochemotherapy. Eastern Cooperative Oncology Group performance status was 1 for 45 patients and 2 for 17 patients. Fifty-four patients underwent nephrectomy prior to treatment. Sites of disease were lungs, lymph nodes, bone, kidney, and liver. Treatment consisted of IL-2 10 MIU/m(2) subcutaneous (SC), three times per week, Weeks 1-4; IFN-alpha 6 MIU/m(2) SC, once per week, Weeks 1-4 and 9 MIU/m(2), three times per week, Weeks 5-7; 5-FU 600 mg/m(2) and VBL 6 mg/m(2), intravenous bolus, Day 1 of Weeks 5 and 7.ResultsIn a median followup of 34 months, 62 patients were evaluated for tumor response. Four patients achieved complete response for 26+, 34+, 51+, and 56+ months, respectively; 14 patients achieved partial response for a median of 14 months; and 20 patients achieved stable disease for a median of 9 months. Seven patients (5 partial response, 2 stable disease) underwent complete resection of residual tumor. Five patients remained alive with no evidence of disease for 27, 32, 36, 42, and 48 months, respectively. Nine patients achieved long-term complete response for a median of 36 months. Three-year survival rate for the entire group and for 11 complete responders was 88%. Common side effects were flu-like symptoms, nausea, headache, and depression. Four patients were excluded because of treatment intolerance, and one patient died after nephrectomy.ConclusionsImmunochemotherapy is effective and well-tolerated by patients with MRCC. Surgical intervention for resection of residual disease is justified.Copyright 2002 American Cancer Society.

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