Treatment with carfilzomib-lenalidomide-dexamethasone with lenalidomide extension in patients with smoldering or newly diagnosed multiple myeloma

Neha Korde, Mark Roschewski, Adriana Zingone, Mary Kwok, Elisabet E. Manasanch, Manisha Bhutani, Nishant Tageja, Dickran Kazandjian, Sham Mailankody, Peter Wu, Candis Morrison, Rene Costello, Yong Zhang, Debra Burton, Marcia Mulquin, Diamond Zuchlinski, Liz Lamping, Ashley Carpenter, Yvonne Wall, George CarterSchuyler C. Cunningham, Verena Gounden, Tristan M. Sissung, Cody Peer, Irina Maric, Katherine R. Calvo, Raul Braylan, Constance Yuan, Maryalice Stetler-Stevenson, Diane C. Arthur, Katherine A. Kong, Li Weng, Malek Faham, Liza Lindenberg, Karen Kurdziel, Peter Choyke, Seth M. Steinberg, William Figg, Ola Landgren

Research output: Contribution to journalArticlepeer-review

214 Scopus citations

Abstract

Importance Carfilzomib-lenalidomide-dexamethasone therapy yields deep responses in patients with newly diagnosed multiple myeloma (NDMM). It is important to gain an understanding of this combination's tolerability and impact on minimal residual disease (MRD) negativity because this end point has been associated with improved survival. OBJECTIVE To assess the safety and efficacy of carfilzomib-lenalidomide-dexamethasone therapy in NDMM and high-risk smoldering multiple myeloma (SMM). DESIGN, SETTING, AND PARTICIPANTS Clinical and correlative pilot study at the National Institutes of Health Clinical Center. Patients with NDMM or high-risk SMM were enrolled between July 11, 2011, and October 9, 2013. Median follow-up was 17.3 (NDMM) and 15.9 months (SMM). INTERVENTIONS Eight 28-day cycles were composed of carfilzomib 20/36 mg/m2 on days 1, 2, 8, 9, 15, and 16; lenalidomide 25 mg on days 1 through 21; and dexamethasone 20/10 mg (cycles 1-4/5-8) on days 1, 2, 8, 9, 15, 16, 22, and 23. Patients who achieved at least stable disease subsequently received 24 cycles of lenalidomide extended dosing. MAIN OUTCOMES AND MEASURES Primary end points were neuropathy of grade 3 or greater (NDMM) and at least very good partial response rates (SMM). Minimal residual disease was also assessed. RESULTS Of 45 patients with NDMM, none had neuropathy of grade 3 or greater. Of 12 patients with high-risk SMM, the most common of any-grade adverse events were lymphopenia (12 [100%]) and gastrointestinal disorders (11 [92%]). All patients with SMM achieved at least a very good partial response during the study period. Among the 28 patients with NDMM and the 12 with SMM achieving at least a near-complete response, MRD negativity was found in 28 of 28 (100% [95% CI, 88%-100%]), 11 of 12 (92% [95% CI, 62%-100%]) (multiparametric flow cytometry), 14 of 21 (67% [95% CI, 43%-85%]), and 9 of 12 (75% [95% CI, 43%-94%]) (next-generation sequencing), respectively. In patients with NDMM, 12-month progression-free survival for MRD-negative vs MRD-positive status by flow cytometry and next-generation sequencing was 100% vs 79% (95% CI, 47%-94%; P <.001) and 100% vs 95% (95% CI, 75%-99%; P =.02), respectively. CONCLUSIONS AND RELEVANCE Carfilzomib-lenalidomide-dexamethasone therapy is tolerable and demonstrates high rates of MRD negativity in NDMM, translating into longer progression-free survival in patients achieving MRD negativity. Carfilzomib-lenalidomidedexamethasone therapy also demonstrates efficacy in high-risk SMM.

Original languageEnglish (US)
Pages (from-to)746-754
Number of pages9
JournalJAMA Oncology
Volume1
Issue number6
DOIs
StatePublished - Sep 2015
Externally publishedYes

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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