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Background <p>Renal impairment (RI) in multiple myeloma (MM) patients significantly impacts outcomes, yet the prevalence and causes of early mortality within 12 months of diagnosis in newly diagnosed MM (NDMM) with RI are understudied in the novel agent era.</p> Methods <p>This study conducted a nested case-control analysis including 199 NDMM patients with RI from West China Hospital from June 2016 to November 2022. Among this cohort, we identified 19 cases of early mortality (death within 12 months of diagnosis) and selected 76 matched controls from the remaining patients at a 1:4 ratio based on age, gender, and diagnosis date. All controls were followed for over one year. Potential risk factors including elevated N-terminal pro-brain natriuretic peptide (NT-proBNP), heart failure at diagnosis, and other clinical indicators were analyzed.</p> Results <p>The incidence of early death was determined to be 9.5% (19/199) in MM with RI, with pneumonia as the leading cause. Compared to controls, the case group exhibited a higher prevalence of elevated lactate dehydrogenase (LDH) levels and pneumonia. Multivariable logistic regression identified elevated LDH levels and pneumonia at diagnosis as independent risk factors for early mortality, whereas NT-proBNP elevation and heart failure at onset did not show statistically significant associations. The 1-year overall survival rates for MM with RI were 95.3% with 0 risk factors, 85.2% with 1 risk factor, and 68.8% with 2 risk factors (<i>p</i> &lt; 0.001).</p> Conclusions <p>In this nested case-control study of NDMM patients with RI, elevated LDH levels and pneumonia at diagnosis were identified as independent risk factors for early mortality in NDMM patients with renal impairment.</p>

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Early mortality in multiple myeloma patients with renal impairment: a nested case-control study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月6日

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  • Yan Li,
  • Wenjiao Tang,
  • Bing Xiang,
  • Ling Pan,
  • Yuhuan Zheng,
  • Ting Niu,
  • Li Zhang

摘要

Background

Renal impairment (RI) in multiple myeloma (MM) patients significantly impacts outcomes, yet the prevalence and causes of early mortality within 12 months of diagnosis in newly diagnosed MM (NDMM) with RI are understudied in the novel agent era.

Methods

This study conducted a nested case-control analysis including 199 NDMM patients with RI from West China Hospital from June 2016 to November 2022. Among this cohort, we identified 19 cases of early mortality (death within 12 months of diagnosis) and selected 76 matched controls from the remaining patients at a 1:4 ratio based on age, gender, and diagnosis date. All controls were followed for over one year. Potential risk factors including elevated N-terminal pro-brain natriuretic peptide (NT-proBNP), heart failure at diagnosis, and other clinical indicators were analyzed.

Results

The incidence of early death was determined to be 9.5% (19/199) in MM with RI, with pneumonia as the leading cause. Compared to controls, the case group exhibited a higher prevalence of elevated lactate dehydrogenase (LDH) levels and pneumonia. Multivariable logistic regression identified elevated LDH levels and pneumonia at diagnosis as independent risk factors for early mortality, whereas NT-proBNP elevation and heart failure at onset did not show statistically significant associations. The 1-year overall survival rates for MM with RI were 95.3% with 0 risk factors, 85.2% with 1 risk factor, and 68.8% with 2 risk factors (p < 0.001).

Conclusions

In this nested case-control study of NDMM patients with RI, elevated LDH levels and pneumonia at diagnosis were identified as independent risk factors for early mortality in NDMM patients with renal impairment.