Cited by 666Multiple Myeloma Research and TreatmentsChronic Lymphocytic Leukemia ResearchBone health and treatments

Oral selinexor-dexamethasone for triple-class refractory multiple myeloma.

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Chari, Ajai, Vogl, Dan T., Gavriatopoulou, Maria, Nooka, Ajay K., Yee, Andrew J., Huff, Carol A., Moreau, Philippe, Dingli, David +44 more·2019·New England Journal of Medicine

Abstract

BACKGROUND: Selinexor, a selective inhibitor of nuclear export compound that blocks exportin 1 (XPO1) and forces nuclear accumulation and activation of tumor suppressor proteins, inhibits nuclear factor κB, and reduces oncoprotein messenger RNA translation, is a potential novel treatment for myeloma that is refractory to current therapeutic options. METHODS: We administered oral selinexor (80 mg) plus dexamethasone (20 mg) twice weekly to patients with myeloma who had previous exposure to bortezomib, carfilzomib, lenalidomide, pomalidomide, daratumumab, and an alkylating agent and had disease refractory to at least one proteasome inhibitor, one immunomodulatory agent, and daratumumab (triple-class refractory). The primary end point was overall response, defined as a partial response or better, with response assessed by an independent review committee. Clinical benefit, defined as a minimal response or better, was a secondary end point. RESULTS: A total of 122 patients in the United States and Europe were included in the modified intention-to-treat population (primary analysis), and 123 were included in the safety population. The median age was 65 years, and the median number of previous regimens was 7; a total of 53% of the patients had high-risk cytogenetic abnormalities. A partial response or better was observed in 26% of patients (95% confidence interval, 19 to 35), including two stringent complete responses; 39% of patients had a minimal response or better. The median duration of response was 4.4 months, median progression-free survival was 3.7 months, and median overall survival was 8.6 months. Fatigue, nausea, and decreased appetite were common and were typically grade 1 or 2 (grade 3 events were noted in up to 25% of patients, and no grade 4 events were reported). Thrombocytopenia occurred in 73% of the patients (grade 3 in 25% and grade 4 in 33%). Thrombocytopenia led to bleeding events of grade 3 or higher in 6 patients. CONCLUSIONS: Selinexor-dexamethasone resulted in objective treatment responses in patients with myeloma refractory to currently available therapies. (Funded by Karyopharm Therapeutics; STORM ClinicalTrials.gov number, NCT02336815.).

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Crossref · 10.1056/nejmoa1903455

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  • These efficacy results compare favorably with results in similarly heavily pretreated patients with relapsed or refractory myeloma treated with selinexor plus dexamethasone and belantamab mafodotin (median progression-free survival, 3.7 months and 2.9 months, respectively).

    “These efficacy results compare favorably with results in similarly heavily pretreated patients with relapsed or refractory myeloma treated with two recently approved regimens, selinexor plus dexamethasone and belantamab mafodotin (median progression-free survival, 3.7 months and 2.9 months, respectively).5,17”
  • Recently approved therapies such as selinexor, belantamab mafodotin, idecabtagene vicleucel, and ciltacabtagene autoleucel have had clinical benefit in patients with relapsed or refractory multiple myeloma.

    “Recently approved therapies such as selinexor, 9 belantamab mafodotin, 10 idecabtagene vicleucel, 11 and ciltacabtagene autoleucel 12 have had clinical benefit in patients with relapsed or refractory multiple myeloma.”

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Research works printed but not linked: 7

  1. [4]4. Pick M, Vainstein V, Goldschmidt N, et al. Daratumumab resistance is frequent in advancedstage multiple myeloma pa tients irrespective of CD38 expression and is related to dismal prognosis. Eur J Haema tol 2018; 100: 494501.
  2. [8]8. Schmidt J, Braggio E, Kortuem KM, et al. Genomewide studies in multiple myeloma identify XPO1/CRM1 as a criti cal target validated using the selective nuclear export inhibitor KPT276. Leuke mia 2013; 27: 235765.
  3. [10]10. Tan DS, Bedard PL, Kuruvilla J, Siu LL, Razak AR. Promising SINEs for em bargoing nuclearcytoplasmic export as an anticancer strategy. Cancer Discov 2014; 4: 52737.
  4. [11]11. Yoshimura M, Ishizawa J, Ruvolo V, et al. Induction of p53mediated transcrip tion and apoptosis by exportin1 (XPO1) inhibition in mantle cell lymphoma. Can cer Sci 2014; 105: 795801. The New England Journal of Medicine . For personal use only. No other uses without permission. Copyright © 2019 Massachusetts Medical Society. All rights reserved. n engl j med 381;8 nejm.org August 22, 2019 Or al Selinexor-Dexamethasone for Refr actory Myeloma
  5. [12]12. Neggers JE, Vercruysse T, Jacquemyn M, et al. Identifying drugtarget selectiv ity of smallmolecule CRM1/XPO1 inhibi tors by CRISPR/Cas9 genome editing. Chem Biol 2015; 22: 10716.
  6. [15]15. Golomb L, Bublik DR, Wilder S, et al. Importin 7 and exportin 1 link cMyc and p53 to regulation of ribosomal biogene sis. Mol Cell 2012; 45: 22232.
  7. [27]27. Machlus KR, Wu SK, Vijey P, et al. Selinexorinduced thrombocytopenia re sults from inhibition of thrombopoietin signaling in early megakaryopoiesis. Blood 2017; 130: 113243.

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Authors
Chari, A., Vogl, D. T., Gavriatopoulou, M., Nooka, A. K., Yee, A. J., Huff, C. A., Moreau, P., Dingli, D., Cole, C., Lonial, S., Dimopoulos, M., Stewart, A. K., Richter, J., Vij, R., Tuchman, S., Raab, M. S., Weisel, K. C., Delforge, M., Cornell, R. F., Kaminetzky, D., Hoffman, J. E., Costa, L. J., Parker, T. L., Levy, M., Schreder, M., Meuleman, N., Frenzel, L., Mohty, M., Choquet, S., Schiller, G., Comenzo, R. L., Engelhardt, M., Illmer, T., Vlummens, P., Doyen, C., Facon, T., Karlin, L., Perrot, A., Podar, K., Kauffman, M. G., Shacham, S., Li, L., Tang, S., Picklesimer, C., Saint-Martin, J.-R., Crochiere, M., Chang, H., Parekh, S., Landesman, Y., Shah, J., Richardson, P. G., & Jagannath, S.
Affiliations
  • Emory University (US)
  • Johns Hopkins University (US)
  • Mayo Clinic (US)
  • Hackensack University Medical Center (US)
  • University of North Carolina at Chapel Hill (US)
  • University of Miami (US)
  • Université Libre de Bruxelles (BE)
  • Hôpital Necker-Enfants Malades (FR)
  • Tufts Medical Center (US)
  • From the Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai (A.C., S.P., S.J.), and New York University Langone Medical Center (D.K.) — both in New York; the Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia (D.T.V.); the School of Medicine, National and Kapodistrian University of Athens, Athens (M.G., M. Dimopoulos); the Winship Cancer Institute, Emory University, Atlanta (A.K.N., S.L.); Massachusetts General Hospital Cancer Center (A.J.Y.),...
Venue
New England Journal of Medicine
Published
2019-08-22
Volume
381
Issue
8
Pages
727-738
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W2969931905
Cited by
666
References
34
Citations by year
2026: 45 · 2025: 66 · 2024: 80 · 2023: 99 · 2022: 122 · 2021: 136 · 2020: 106 · 2019: 10 · 2018: 1
FWCI
66.88
Type
journal article
Language
en
Open access
Locations
  • New England Journal of Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Digital Commons@Becker (Washington University School of Medicine) (submittedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
  • Digital Access to Libraries (Université catholique de Louvain (UCL), l'Université de Namur (UNamur) and the Université Saint-Louis (USL-B)) (submittedVersion, other-oa)
  • Dépôt institutionnel de l'Université libre de Bruxelles (Université Libre de Bruxelles) (submittedVersion, other-oa)
  • Lirias (KU Leuven) (submittedVersion)
Funders
Karyopharm Therapeutics
Topics
  • Health Sciences › Medicine › Hematology › Multiple Myeloma Research and Treatments
  • Health Sciences › Medicine › Genetics › Chronic Lymphocytic Leukemia Research
  • Health Sciences › Medicine › Oncology › Bone health and treatments
Keywords
selinexor, dexamethasone, multiple myeloma, triple-class refractory myeloma, XPO1 inhibitor, CRM1, oral administration, overall response rate, progression-free survival, thrombocytopenia, adverse events, treatment safety, lenalidomide, bortezomib, daratumumab, immunomodulators
MeSH terms
Exportin 1 Protein, Administration, Oral, Adult, Aged, Antineoplastic Combined Chemotherapy Protocols, Dexamethasone, Drug Administration Schedule, Female, Humans, Hydrazines, Male, Middle Aged, Multiple Myeloma, Thrombocytopenia, Triazoles, Biomarkers, Tumor, Survival Analysis, Receptors, Cytoplasmic and Nuclear, Drug Resistance, Neoplasm, Karyopherins, Young Adult, Intention to Treat Analysis

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