M-2 protocol for melphalan-resistant and relapsing multiple myeloma

M. Cavo, P. Galieni, C. Tassi, M. Gobbi, S. Tura

Research output: Contribution to journalArticlepeer-review

Abstract

33 patients with advanced refractory multiple myeloma received a combination of vincristine, cyclophosphamide, carmustine, melphalan and steroids (M-2 protocol). 20 of them had failed prior chemotherapy with alkylating agents and the remaining 13 patients had relapsed after a response to these drugs. An objective tumour cell mass reduction (≥ 50%) was achieved in 17% of the patients (6% of previously nonresponders and 33% of previously relapsing), while 9 additional patients improved (30-50% tumour reduction), for an overall response rate of 47% (39% for previously nonresponders and 58% for previously relapsing). The median duration of response was 7 months. Thrombocytopenia was the most common toxicity encountered in the study (39% of cases). Our findings indicate that M-2 protocol is an effective salvage treatment for patients who relapse from previous chemotherapy with alkylating agents. In contrast, results in patients who are primarily resistant to these drugs justify the search for different treatment programmes which can produce greater degrees of tumour reduction.

Original languageEnglish
Pages (from-to)168-173
Number of pages6
JournalEuropean Journal of Haematology
Volume40
Issue number2
Publication statusPublished - 1988

ASJC Scopus subject areas

  • Hematology

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