Deeper response predicts better outcomes in high-risk-smoldering-myeloma: results of the I-PRISM phase II clinical trial

Abstract Early therapeutic intervention in high-risk smoldering multiple myeloma (HR-SMM) has shown benefits, however, no studies have assessed whether biochemical progression or response depth predicts long-term outcomes. The single-arm I-PRISM phase II trial (NCT02916771) evaluated ixazomib, lenal...

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Main Authors: Omar Nadeem, Michelle P. Aranha, Robert Redd, Michael Timonian, Sophie Magidson, Elizabeth D. Lightbody, Jean-Baptiste Alberge, Luca Bertamini, Ankit K. Dutta, Habib El-Khoury, Mark Bustoros, Jacob P. Laubach, Giada Bianchi, Elizabeth O’Donnell, Ting Wu, Junko Tsuji, Kenneth C. Anderson, Gad Getz, Lorenzo Trippa, Paul G. Richardson, Romanos Sklavenitis-Pistofidis, Irene M. Ghobrial
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-024-55308-5
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author Omar Nadeem
Michelle P. Aranha
Robert Redd
Michael Timonian
Sophie Magidson
Elizabeth D. Lightbody
Jean-Baptiste Alberge
Luca Bertamini
Ankit K. Dutta
Habib El-Khoury
Mark Bustoros
Jacob P. Laubach
Giada Bianchi
Elizabeth O’Donnell
Ting Wu
Junko Tsuji
Kenneth C. Anderson
Gad Getz
Lorenzo Trippa
Paul G. Richardson
Romanos Sklavenitis-Pistofidis
Irene M. Ghobrial
author_facet Omar Nadeem
Michelle P. Aranha
Robert Redd
Michael Timonian
Sophie Magidson
Elizabeth D. Lightbody
Jean-Baptiste Alberge
Luca Bertamini
Ankit K. Dutta
Habib El-Khoury
Mark Bustoros
Jacob P. Laubach
Giada Bianchi
Elizabeth O’Donnell
Ting Wu
Junko Tsuji
Kenneth C. Anderson
Gad Getz
Lorenzo Trippa
Paul G. Richardson
Romanos Sklavenitis-Pistofidis
Irene M. Ghobrial
author_sort Omar Nadeem
collection DOAJ
description Abstract Early therapeutic intervention in high-risk smoldering multiple myeloma (HR-SMM) has shown benefits, however, no studies have assessed whether biochemical progression or response depth predicts long-term outcomes. The single-arm I-PRISM phase II trial (NCT02916771) evaluated ixazomib, lenalidomide, and dexamethasone in 55 patients with HR-SMM. The primary endpoint, median progression-free survival (PFS), was not reached (NR) (95% CI: 57.7–NR, median follow-up 50 months). The secondary endpoint, biochemical PFS, was 48.6 months (95% CI: 39.9–NR) and coincided with or preceded SLiM-CRAB in eight patients. For additional secondary objectives, the overall response rate was 93% with 31% achieving complete response (CR) and 45% very good partial response (VGPR) or better. CR correlated strongly with the absence of SLiM-CRAB and biochemical progression. MRD-negativity (10-5 sensitivity) predicted a 5-year biochemical PFS of 100% versus 40% in MRD-positive patients (p = 0.051), demonstrating that deep responses significantly improve time to progression. Exploratory single-cell RNA sequencing linked tumor MHC class I expression to proteasome inhibitor response, and a lower proportion of GZMB+ T cells within clonally expanded CD8+ T cells associated with suboptimal outcomes.
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spelling doaj-art-828d7782a73e4f958d1693c3b7db48682025-01-05T12:40:39ZengNature PortfolioNature Communications2041-17232025-01-0116111710.1038/s41467-024-55308-5Deeper response predicts better outcomes in high-risk-smoldering-myeloma: results of the I-PRISM phase II clinical trialOmar Nadeem0Michelle P. Aranha1Robert Redd2Michael Timonian3Sophie Magidson4Elizabeth D. Lightbody5Jean-Baptiste Alberge6Luca Bertamini7Ankit K. Dutta8Habib El-Khoury9Mark Bustoros10Jacob P. Laubach11Giada Bianchi12Elizabeth O’Donnell13Ting Wu14Junko Tsuji15Kenneth C. Anderson16Gad Getz17Lorenzo Trippa18Paul G. Richardson19Romanos Sklavenitis-Pistofidis20Irene M. Ghobrial21Center for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteDepartment of Biostatistics and Computational Biology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteAmyloidosis Program, Division of Hematology, Brigham and Women’s Hospital and Dana Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteBroad Institute of MIT and HarvardBroad Institute of MIT and HarvardCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteHarvard Medical SchoolDepartment of Biostatistics and Computational Biology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteCenter for Early Detection and Interception of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer InstituteAbstract Early therapeutic intervention in high-risk smoldering multiple myeloma (HR-SMM) has shown benefits, however, no studies have assessed whether biochemical progression or response depth predicts long-term outcomes. The single-arm I-PRISM phase II trial (NCT02916771) evaluated ixazomib, lenalidomide, and dexamethasone in 55 patients with HR-SMM. The primary endpoint, median progression-free survival (PFS), was not reached (NR) (95% CI: 57.7–NR, median follow-up 50 months). The secondary endpoint, biochemical PFS, was 48.6 months (95% CI: 39.9–NR) and coincided with or preceded SLiM-CRAB in eight patients. For additional secondary objectives, the overall response rate was 93% with 31% achieving complete response (CR) and 45% very good partial response (VGPR) or better. CR correlated strongly with the absence of SLiM-CRAB and biochemical progression. MRD-negativity (10-5 sensitivity) predicted a 5-year biochemical PFS of 100% versus 40% in MRD-positive patients (p = 0.051), demonstrating that deep responses significantly improve time to progression. Exploratory single-cell RNA sequencing linked tumor MHC class I expression to proteasome inhibitor response, and a lower proportion of GZMB+ T cells within clonally expanded CD8+ T cells associated with suboptimal outcomes.https://doi.org/10.1038/s41467-024-55308-5
spellingShingle Omar Nadeem
Michelle P. Aranha
Robert Redd
Michael Timonian
Sophie Magidson
Elizabeth D. Lightbody
Jean-Baptiste Alberge
Luca Bertamini
Ankit K. Dutta
Habib El-Khoury
Mark Bustoros
Jacob P. Laubach
Giada Bianchi
Elizabeth O’Donnell
Ting Wu
Junko Tsuji
Kenneth C. Anderson
Gad Getz
Lorenzo Trippa
Paul G. Richardson
Romanos Sklavenitis-Pistofidis
Irene M. Ghobrial
Deeper response predicts better outcomes in high-risk-smoldering-myeloma: results of the I-PRISM phase II clinical trial
Nature Communications
title Deeper response predicts better outcomes in high-risk-smoldering-myeloma: results of the I-PRISM phase II clinical trial
title_full Deeper response predicts better outcomes in high-risk-smoldering-myeloma: results of the I-PRISM phase II clinical trial
title_fullStr Deeper response predicts better outcomes in high-risk-smoldering-myeloma: results of the I-PRISM phase II clinical trial
title_full_unstemmed Deeper response predicts better outcomes in high-risk-smoldering-myeloma: results of the I-PRISM phase II clinical trial
title_short Deeper response predicts better outcomes in high-risk-smoldering-myeloma: results of the I-PRISM phase II clinical trial
title_sort deeper response predicts better outcomes in high risk smoldering myeloma results of the i prism phase ii clinical trial
url https://doi.org/10.1038/s41467-024-55308-5
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