AbstractThe present pilot study was designed to analyse the efficacy and toxicity of the association of interferon (IFN) and dexamethasone (Dx) in 32 resistant and relapsed myeloma patients. Among the evaluable cases. 15 (68 per cent) responded to treatment (32 per cent achieved an objective response—OR—and 36 per cent a partial response—PR—), the ‘remission’ status lasting for more than one year in six of them. Moreover, four out of the seven OR patients showed a reduction in B.M. plasma cells to<5 per cent. Five out of 11 patients that were previously refractory to VBAD, that includes high dose dexamethasone (Dx), responded to IFN‐Dx. The protocol was generally well tolerated with only four patients discontinuing therapy due to adverse effects.The present results show that the combination IFN + Dx is a promising therapeutic approach for patients with refra
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