The efficacy and safety of lenalidomide plus dexamethasone in relapsed and/or refractory multiple myeloma patients with impaired renal function.

"CONFLICT OF INTEREST DISCLOSURES This study was supported by research funding from Celgene Corporation. The authors received editorial support in the preparation of this article funded by Celgene; the authors were fully responsible for all content and editorial decisions and received no financial support or other form of compensation related to the development of the article. Carlos M. de Castro, Hartmut Goldschmidt, and Zvenyslava Masliak have nothing to disclose. Donna M. Weber received grant support and lecture fees from Celgene Corporation. Adrian Alegre received consulting and lecture fees from Ortho Biotech, Celgene Corporation, and Novartis. Edward A. Stadtmauer and Meletios Dimopoulos received consulting and lecture fees from Celgene Corporation. Jeffrey A. Zonder has been on the speakers' bureau for Celgene Corporation and Millennium Pharmaceuticals. Donna Reece received research support and honoraria for lectures and consulting work from Celgene Corporation. Marta Olesnyckyj is an employee of Celgene Corporation. Zhinuan Yu is an employee of Celgene Corporation and holds stock ownership in Celgene Corporation."

"CONFLICT OF INTEREST DISCLOSURES: This study was supported by research funding from Celgene Corporation. The authors received editorial support in the preparation of this article funded by Celgene; the authors were fully responsible for all content and editorial decisions and received no financial support or other form of compensation related to the development of the article. Carlos M. de Castro, Hartmut Goldschmidt, and Zvenyslava Masliak have nothing to disclose. Donna M. Weber received grant support and lecture fees from Celgene Corporation. Adrian Alegre received consulting and lecture fees from Ortho Biotech, Celgene Corporation, and Novartis. Edward A. Stadtmauer and Meletios Dimopoulos received consulting and lecture fees from Celgene Corporation. Jeffrey A. Zonder has been on the speakers' bureau for Celgene Corporation and Millennium Pharmaceuticals. Donna Reece received research support and honoraria for lectures and consulting work from Celgene Corporation. Marta Olesnyckyj is an employee of Celgene Corporation. Zhinuan Yu is an employee of Celgene Corporation and holds stock ownership in Celgene Corporation."