Trial reportBlood cancer journal2024
Allocation and validation of the second revision of the International Staging System in the ICARIA-MM and IKEMA studies.
Trial report in Blood cancer journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
6 citing papers in PubMed.
- Dynamic multimodal survival prediction in multiple myeloma integrating gene expression, longitudinal laboratory measurements, and treatment history.Briefings in bioinformatics · 2026Article
- IMS-IMWG 2025 consensus genomic staging predicts outcomes with daratumumab-based quadruplet regimens for NDMM.Blood advances · 2026Article
- An odyssey of monoclonal gammopathies: focusing on precursors and the progression from MGUS and SMM to multiple Myeloma, with a brief overview of novel therapeutic strategies.Clinical and experimental medicine · 2026Review
- Combining IMWG GA and hematopoietic score to optimize the evaluation of dynamic chemotherapy tolerance in multiple myeloma.Annals of medicine · 2025Article
- A Real-World International Staging System (RW-ISS) for patients with newly diagnosed multiple myeloma.Blood cancer journal · 2025Article
- Long-Term Effectiveness and Safety of Isatuximab in Combination with Pomalidomide and Dexamethasone in a Japanese Patient with Refractory Multiple Myeloma and 1q21 Amplification: A Case Report.Case reports in oncologyArticle
Corrections and comments
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Authors and funding
18 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The International Staging System for multiple myeloma recently underwent a second revision (R2-ISS) to include gain/amplification of 1q21 and account for the additive prognostic significance of multiple high-risk features. The phase 3 ICARIA-MM (isatuximab-pomalidomide-dexamethasone vs. pomalidomide-dexamethasone) and IKEMA (isatuximab-carfilzomib-dexamethasone vs. carfilzomib-dexamethasone) studies provide large datasets for retrospectively validating the prognostic value of the R2-ISS in relapsed/refractory multiple myeloma. Of 609 pooled patients, 68 (11.2%) were reclassified as R2-ISS stage I, 136 (22.3%) as R2-ISS stage II, 204 (33.5%) as R2-ISS stage III, 55 (9.0%) as stage IV, and 146 (24.0%) "Not classified". Median progression-free survival was shorter among those reclassified as R2-ISS stage II (HR 1.52, 95% CI 0.979-2.358), stage III (HR 2.59, 95% CI 1.709-3.923), and stage IV (HR 3.51, 95% CI 2.124-5.784) versus stage I. Adding isatuximab led to longer progression-free survival versus doublet therapy (adjusted HR 0.544 [95% CI 0.436-0.680]), with a consistent treatment effect observed across all R2-ISS stages. This is the first study to validate the R2-ISS with novel agents, including anti-CD38 monoclonal antibodies, and to show that R2-ISS, as a prognostic scoring system, can be applied to patients with relapsed/refractory multiple myeloma.
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