Mutation of NRAS but not KRAS significantly reduces myeloma sensitivity to single-agent bortezomib therapy

Author:

Mulligan George1,Lichter David I.1,Di Bacco Alessandra1,Blakemore Stephen J.1,Berger Allison1,Koenig Erik1,Bernard Hugues1,Trepicchio William1,Li Bin1,Neuwirth Rachel1,Chattopadhyay Nibedita1,Bolen Joseph B.1,Dorner Andrew J.1,van de Velde Helgi2,Ricci Deborah3,Jagannath Sundar4,Berenson James R.5,Richardson Paul G.6,Stadtmauer Edward A.7,Orlowski Robert Z.8,Lonial Sagar9,Anderson Kenneth C.6,Sonneveld Pieter10,San Miguel Jesús F.11,Esseltine Dixie-Lee1,Schu Matthew1

Affiliation:

1. Takeda Pharmaceuticals International Co., Cambridge, MA;

2. Janssen Research & Development, Division of Janssen Pharmaceutica NV, Beerse, Belgium;

3. Janssen Research and Development, Raritan, NJ;

4. Mount Sinai Hospital, New York, NY;

5. Institute for Myeloma and Bone Cancer Research, West Hollywood, CA;

6. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA;

7. University of Pennsylvania Abramson Cancer Center, Philadelphia, PA;

8. Department of Lymphoma/Myeloma, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX;

9. Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, Atlanta, GA;

10. Department of Hematology, Erasmus Medical Centre, University Hospital Rotterdam, Rotterdam, The Netherlands; and

11. Clinica Universidad de Navarra, Centro de Investigación Medica Aplicada, Pamplona, Spain

Abstract

Key Points A high frequency of RAS/RAF mutations and recurrent mutations in PDGFRA and JAK3 were found in relapsed multiple myeloma patients. Patients with NRAS, but not KRAS, mutation exhibited significantly reduced sensitivity to bortezomib but not high-dose dexamethasone.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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