VAD Regimen in the Treatment of Resistant Multiple Myeloma: Slow or Fast Infusion?

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Abstract
The VAD regimen is effective in the treatment of resistant and relapsing multiple myeloma. In the original VAD regimen, vincristine (V) and doxorubicin (A) are given as continuous infusions together with peroral dexamethasone (D). For practical reasons, we have shortened the infusion times: 8 hours for vincristine and 1 hour for doxorubicin. In this retrospective analysis, we have compared the efficacy and toxicity of the original and modified VAD protocols in the treatment of myeloma patients at our institution. Of the 31 consecutive patients with myeloma, primarily or secondarily resistant to alkylating agents, 16 were treated by the original and 15 by the modified VAD protocol. We found no significant difference in the response rates (good responses 31% and 20% respectively), survival times (17 and 9 months respectively) or toxicity between the two protocols. VAD may well be modified so as to consist of short infusions of V and A. The overall efficacy of the traditional and modified regimens is, however, rather unsatisfactory in patients with advanced myeloma.