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- Title
Efficacy and safety of bortezomib in patients with renal impairment: results from the APEX phase 3 study.
- Authors
San-Miguel, J. F.; Richardson, P. G.; Sonneveld, P.; Schuster, M. W.; Irwin, D.; Stadtmauer, E. A.; Facon, T.; Harousseau, J.-L.; Ben-Yehuda, D.; Lonial, S.; Goldschmidt, H.; Reece, D.; Bladé, J.; Boccadoro, M.; Cavenagh, J. D.; Neuwirth, R.; Boral, A. L.; Esseltine, D.-L.; Anderson, K. C.
- Abstract
Renal impairment is associated with poor prognosis in multiple myeloma (MM). This subgroup analysis of the phase 3 Assessment of Proteasome Inhibition for Extending Remissions (APEX) study of bortezomib vs high-dose dexamethasone assessed efficacy and safety in patients with relapsed MM with varying degrees of renal impairment (creatinine clearance (CrCl) <30, 30–50, 51–80 and >80 ml min−1). Time to progression (TTP), overall survival (OS) and safety were compared between subgroups with CrCl 50 ml min−1 (severe-to-moderate) and >50 ml min−1 (no/mild impairment). Response rates with bortezomib were similar (36–47%) and time to response rapid (0.7–1.6 months) across subgroups. Although the trend was toward shorter TTP/OS in bortezomib patients with severe-to-moderate vs no/mild impairment, differences were not significant. OS was significantly shorter in dexamethasone patients with CrCl 50 vs >50 ml min−1 (P=0.003), indicating that bortezomib is more effective than dexamethasone in overcoming the detrimental effect of renal impairment. Safety profile of bortezomib was comparable between subgroups. With dexamethasone, grade 3/4 adverse events (AEs), serious AEs and discontinuations for AEs were significantly elevated in patients with CrCl 50 vs >50 ml min−1. These results indicate that bortezomib is active and well tolerated in patients with relapsed MM with varying degrees of renal insufficiency. Efficacy/safety were not substantially affected by severe-to-moderate vs no/mild impairment.Leukemia (2008) 22, 842–849; doi:10.1038/sj.leu.2405087; published online 17 January 2008
- Subjects
DRUG efficacy; ANTINEOPLASTIC agents; KIDNEY disease treatments; MULTIPLE myeloma; THERAPEUTIC use of steroid hormones; CREATININE; PROGNOSIS
- Publication
Leukemia (08876924), 2008, Vol 22, Issue 4, p842
- ISSN
0887-6924
- Publication type
Article
- DOI
10.1038/sj.leu.2405087