Medline ® Abstract for Reference 58
Final results of the EORTC 18871/DKG 80-1 randomised phase III trial. rIFN-alpha2b versus rIFN-gamma versus ISCADOR M versus observation after surgery in melanoma patients with either high-risk primary (thickness>3 mm) or regional lymph node metastasis.
Kleeberg UR, Suciu S, Bröcker EB, Ruiter DJ, Chartier C, Liénard D, Marsden J, Schadendorf D, Eggermont AM, EORTC Melanoma Group in cooperation with the German Cancer Society (DKG)
Eur J Cancer. 2004;40(3):390.
Between 1988 and 1996, the European Organisation for Research and Treatment of Cancer Melanoma Group (EORTC-MG) performed a prospective, randomised phase III adjuvant trial to evaluate the efficacy and toxicity of low dose recombinant interferon-alpha 2 b (rIFN-alpha2b) (1 MU) or recombinant interferon gamma (rIFN-gamma), (0.2 mg) both given subcutaneously (s.c.), every other day (qod), for 12 months in comparison with an untreated control group. The German Cancer Society (DKG) added a fourth arm with Iscador M, a popular mistletoe extract. High-risk stage II patients (thickness>3 mm) and stage III patients (positive lymph nodes) without distant metastasis were randomised and followed until their first progression or death. An intention-to-treat analysis was performed. From 1988 to 1996, a total of 830 patients were randomised: 423 in the three-arm EORTC 18871 trial and 407 patients in the four-arm DKG 80-1 trial. The median follow-up was 8.2 years and a total of 537 relapses and 475 deaths were reported. At 8 years, the disease-free interval (DFI) rate was 32.4% and the overall survival (OS) rate was 40.0%. In terms of the DFI, the hazard ratio estimates (95% Confidence Intervals (CI)) were: 1.04 (0.84, 1.30) for the comparison of rIFN-alpha2b versus control, 0.96 (0.77, 1.20) for rIFN-gamma versus control, and 1.32 (0.93, 1.87) for Iscador M versus control. In terms of OS, the corresponding estimates (95% CI) for the 3 treatment comparisons were: for IFN-alpha2b 0.96 (0.76, 1.21), for rIFN-gamma 0.87 (0.69, 1.10) and for Iscador M 1.21 (0.84, 1.75), respectively. The results show no clinical benefit for adjuvant treatment with low dose rIFN-alpha2b or rIFN-gamma or with Iscador M in high-risk melanoma patients.
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