Clinical experience with the combined use of recombinant interleukin‐2 (IL2) and interferon alfa‐2a (IFNα) in metastatic melanoma

W. H.J. Kruit, S. H. Goey, J. R.T. Monson, R. A. Stahel, F. Calabresi, R. Mertelsmann, E. E. Holdener, A. M.M. Eggermont, R. L.H. Bolhuis, P. H.M. de Mulder, G. Stoter

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30 Citations (Scopus)

Abstract

A multicentre study of IL2 and IFNα has been performed in 58 patients with metastatic melanoma. The scheme consisted of IL2 30 BRMP MU/m2/d as a continuous infusion for 4 d combined with subcutaneous administration of IFNα 6 MU/m2/d, day 1 + 4. The cycle was repeated every 2 weeks for a maximum duration of 26 weeks. 54 patients were evaluable for response. One (2%) achieved a complete and 10 (19%) a partial response. 19 (35%) patients were stable and 24 (44%) showed progressive disease. Common side‐effects included fever, chills, fatigue, skin rash, anorexia, nausea and diarrhoea. Hypothyroidism was noted in 10% of the patients. These results show that this regimen of IL2 and IFNα is active but, in contrast to what could be expected, not superior to IL2 alone possibly due to suboptimal dosing. In an ongoing study in Rotterdam and Nijmegen, a more intense schedule was chosen, consisting of three daily i. v. doses of IL2 45 BRMP MU/m2 and IFNα 30 MU/m2 for 5 d. This regimen is repeated at intervals of 3 weeks for a total of three cycles. Presently, nine patients have been entered. One patient achieved a complete response, four a partial response (overall 56%), three had stable disease and one progressed. Toxicity was severe and treatment was prematurely stopped in five patients: myocardial infarction (one patient), atrial fibrillation (one patient), negative T waves and myocardial hypokinesia (one patient) and psychosis (two patients). This regimen can only be justified if the therapeutic results are superb, which has yet to be awaited.

Original languageEnglish
Pages (from-to)84-86
Number of pages3
JournalBritish Journal of Haematology
Volume79
DOIs
Publication statusPublished - Oct 1991
Externally publishedYes

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