ArticleEuropean journal of haematology2025
Prognostic Significance of +1q Alterations in Relapsed/Refractory Multiple Myeloma Treated With Daratumumab-, Elotuzumab-, and Carfilzomib-Based Triplet Regimens: A Multicenter Real-World Analysis of 635 Patients.
Article in European journal of haematology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Prognostic Impact of Chromosome 1q Gain/Amplification in Multiple Myeloma Treated With Daratumumab-Based Regimens.European journal of haematology · 2026Article
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67 authors.
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Abstract
Relapsed/refractory multiple myeloma (RRMM) research on the impact of +1q abnormalities in real-world settings is limited. This study evaluated the prognostic and predictive significance of 1q gain [gain(1q)] and amplification [ampl(1q)] in 635 RRMM patients treated with daratumumab-, elotuzumab-, and carfilzomib-based triplet regimens. Patients with +1q abnormalities had lower deep response rates [≥ CR: 9.4% for gain(1q), 11.6% for ampl(1q)] versus 20.2% in +1q-negative patients. Multivariable ordinal logistic analysis showed significantly lower odds of achieving ≥ CR in patients with gain(1q) (OR = 0.49, p < 0.001) or ampl(1q) (OR = 0.58, p = 0.0037). Progression-free survival (PFS) was longer in +1q-negative patients (28 months) compared to those with gain(1q) (8 months) or ampl(1q) (7.4 months). Multivariable models identified gain(1q) (HR = 1.9, p < 0.001) and ampl(1q) (HR = 2.2, p < 0.001) as independent negative prognostic factors alongside del17p, t(4;14), creatinine clearance < 60 mL/min, and ISS Stages II and III. Similarly, overall survival (OS) was reduced for patients with gain(1q) (25 months) and ampl(1q) (19.5 months) versus 42.2 months in +1q-negative patients. Multivariable analysis showed gain(1q) (HR = 1.6, p = 0.007) and ampl(1q) (HR = 2.0, p = 0.002) as independent predictors of increased mortality. Ancillary +1q abnormalities associated with high-risk cytogenetic changes were linked to both shorter PFS and OS. Stratification into no-hit, single-hit, double-hit, and triple-hit groups showed significant survival differences, emphasizing the impact of cumulative cytogenetic abnormalities on outcomes. In conclusion, +1q abnormalities significantly impact prognosis in RRMM and should be considered in risk stratification. The study emphasizes the importance of comprehensive cytogenetic profiling in real-world settings and highlights the need for personalized treatment strategies to improve patient outcomes.
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