Subcutaneous interleukin-2, interferon alfa-2a, and continuous infusion of fluorouracil in metastatic renal cell carcinoma: a multicenter phase II trial. Groupe Fran?ais d'Immunothérapie |
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Authors: | A Ravaud B Audhuy F Gomez B Escudier T Lesimple C Chevreau JY Douillard A Caty L Geoffrois JM Ferrero C Linassier M Drevon S Négrier |
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Affiliation: | Department of Medicine, Institut Bergonié, Bordeaux, France. ravaud@bergonie.org |
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Abstract: | PURPOSE: A phase II trial was designed to determine the efficacy and the tolerance of interleukin-2 (IL-2), interferon alfa-2a (IFNalpha), and fluorouracil (5-FU) in patients with metastatic renal cell carcinoma. PATIENTS AND METHODS: One hundred eleven patients were included. Patients received subcutaneous IL-2 9 x 10(6) IU daily for 6 days and IFNalpha 6 x 10(6) IU on days 1, 3, and 5 every other week for 8 weeks. 5-FU was administered through a continuous infusion at 600 mg/m2 for 5 consecutive days for 1 week every 4 weeks. RESULTS: The response rate was 1.8% (95% confidence interval [CI], 0% to 4.3%) with only two partial responses (PRs). Toxicity was moderate with 3.6% grade 4 events and two deaths related to treatment. CONCLUSION: This regimen of IL-2, IFNalpha, and 5-FU in patients with metastatic renal cell carcinoma was ineffective. The results raise the question of the dose and schedule of subcutaneous cytokines that must be used in metastatic renal carcinoma. |
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