A Phase I study of arsenic trioxide (Trisenox), ascorbic acid, and bortezomib (Velcade) combination therapy in patients with relapsed/refractory multiple myeloma.
PURPOSE: This Phase I study assessed the feasibility of concomitant arsenic trioxide (ATO), ascorbic acid (AA), and bortezomib (Velcade™) (AAV) for patients with relapsed/refractory multiple myeloma. EXPERIMENTAL DESIGN: ATO (0.25 mg/kg) and AA (1 g) were given with an escalating dose of bortezomib (1 mg/m(2) or 1.3 mg/m(2) IV bolus on days 1 and 8 of a 21-day cycle). RESULTS: Ten patients (median age 62 years), with a median of 3 prior regimens, were enrolled. Four (40%) patients achieved clinical benefit, with one patient achieving a durable partial response. No formal DLTs were encountered. CONCLUSION: AAV combination was feasible and demonstrated some benefits in this heavily pretreated population.
Held, LA; Rizzieri, D; Long, GD; Gockerman, JP; Diehl, LF; de Castro, CM; Moore, JO; Horwitz, ME; Chao, NJ; Gasparetto, C
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