Cited by 25Multiple Myeloma Research and TreatmentsChronic Lymphocytic Leukemia ResearchBone health and treatments

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

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Nadeem, Omar, Aranha, Michelle P., Redd, Robert, Timonian, Michael, Magidson, Sophie, Lightbody, Elizabeth D., Alberge, Jean-Baptiste, Bertamini, Luca +14 more·2025·Nature Communications

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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  • Some groups have investigated the use of lenalidomide or daratumumab to enhance immune control of high-risk clones.

    “As an alternative strategy to eradication, some groups have investigated the use of lenalidomide or daratumumab to enhance immune control of high-risk clones.107,111”

    From Evolution of Multiple Myeloma from a Genomic Perspective (2026) · cites this paper as [107]

    The Introduction describes the I-PRISM trial of lenalidomide-containing therapy for high-risk smoldering myeloma, and the Results link immune-cell features to treatment response. The paper does not establish that lenalidomide enhanced immune control of high-risk clones; its Discussion instead relates the immune findings to response to proteasome-inhibitor therapy. Daratumumab appears in a cited trial in the References, but was not investigated in I-PRISM. (LLM, conf=0.83)

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  • All randomized studies (excluding active MM) show a clear advantage in progression-free survival, delaying MM progression, and preventing symptoms/organ damage; a recent study shows an overall survival advantage of early treatment.

    “Excluding patients with an active MM according to the most recent guidelines,3 all randomized studies have shown a clear advantage in progression-free survival, in delaying MM progression, in preventing symptoms/organ damage,107-109 and a recent study has also demonstrated the overall survival (OS) advantage of early treatment,111”

    From Evolution of Multiple Myeloma from a Genomic Perspective (2026) · cites this paper as [107]

    The Introduction (page unavailable) reports improved progression-free survival in two phase III trials and says one study showed improved overall survival. It does not establish that all randomized studies showed these benefits; it also says the overall-survival benefit remains debated and that longer progression-free survival may delay organ damage. The Discussion (page unavailable) reports delayed end-organ damage in previous studies, but not prevention of symptoms or damage across all randomized studies. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Several trials have reported the advantages and risks of early intervention in high-risk SMM.

    “Several trials have reported the advantages and risks of early intervention in high risk SMM.105-112”

    From Evolution of Multiple Myeloma from a Genomic Perspective (2026) · cites this paper as [107]

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Research works printed but not linked: 2

  1. [34]Li, H. Aligning sequence reads, clone sequences and assembly contigs with BWA-MEM. arXiv preprint arXiv:1303.3997 (2013). · arXiv
  2. [46]Therneau, T. A package for survival analysis in S. R. package version 2, 2014 (2015).

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Authors
Nadeem, O., Aranha, M. P., Redd, R., Timonian, M., Magidson, S., Lightbody, E. D., Alberge, J.-B., Bertamini, L., Dutta, A. K., El-Khoury, H., Bustoros, M., Laubach, J. P., Bianchi, G., O’Donnell, E., Wu, T., Tsuji, J., Anderson, K. C., Getz, G., Trippa, L., Richardson, P. G., Sklavenitis-Pistofidis, R., & Ghobrial, I. M.
Affiliations
  • Harvard University (US)
  • Broad Institute (US)
  • Dana-Farber Cancer Institute (US)
  • NewYork–Presbyterian Hospital (US)
  • Brigham and Women's Hospital (US)
Corresponding author
  • Nadeem, Omar
  • Ghobrial, Irene M.
Venue
Nature Communications
Published
2025-01-03
Volume
16
Issue
1
Pages
358-358
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4406037991
Cited by
20
References
45
Citations by year
2026: 10 · 2025: 10
FWCI
14.78
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Takeda Pharmaceuticals U.S.A.
  • Cancer Research UK
  • Dr. Miriam and Sheldon G. Adelson Medical Research Foundation
  • U.S. Department of Health & Human Services | NIH | National Cancer Institute (R35CA263817)
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
ixazomib, lenalidomide, dexamethasone, progression-free survival, biochemical progression, minimal residual disease negativity, complete response, MHC class I expression, single-cell RNA sequencing, CD8+ T cells, clonal expansion, early therapeutic intervention
MeSH terms
Smoldering Multiple Myeloma, Lenalidomide, Progression-Free Survival, Adult, Aged, Aged, 80 and over, Antineoplastic Combined Chemotherapy Protocols, Boron Compounds, Dexamethasone, Female, Glycine, Humans, Male, Middle Aged, Multiple Myeloma, Treatment Outcome, Disease Progression

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