A phase 2 study of pegylated liposomal doxorubicin, bortezomib, dexamethasone and lenalidomide for patients with relapsed/refractory multiple myeloma

Published by W Butcher on

Our previous studies have shown that lowering the dose of pegylated liposomal doxorubicin (PLD) and bortezomib in combination with intravenous dexamethasone on a longer 4-week cycle maintained efficacy and improved tolerability in both previously untreated and relapsed/refractory (R/R) multiple myeloma (MM) patients. Lenalidomide has shown efficacy in combination with bortezomib and dexamethasone but this combination has been poorly tolerated. We conducted this phase 2 study to evaluate whether a longer 4-week schedule using modified doses and schedules of IV dexamethasone (40 mg), bortezomib (1.0 mg/m(2)) and PLD (4.0 mg/m(2)) administered on days 1, 4, 8, and 11 with lenalidomide 10 mg daily on days 1-14 (DVD-R) would be effective and tolerated for patients with R/R MM. A total of 40 heavily pretreated patients were enrolled and 84.6% showed clinical benefit (complete response, 20.5%.)

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