多発性骨髄腫におけるダラツムマブ含有レジメンに関連する感染リスク:系統的レビューとメタアナリシス
Zeng-Yi Huang1,2, Xiao-Lian Liu2, Ting Li1
1Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, Macau SAR, China.
Frontiers in oncology
|January 22, 2026
まとめ
多発性骨髄腫に対するダラツムマブ療法は、特に重症感染症や肺炎のリスクを高めます。しかし、感染症による死亡率は低いため、積極的な監視と予防戦略が必要です。
科学分野:
- 腫瘍学、免疫学、薬理学
背景:
- CD38を標的とするモノクローナル抗体であるダラツムマブは、多発性骨髄腫の標準治療薬です。その作用機序は免疫細胞の枯渇を伴い、感染感受性の増加につながる可能性があります。
研究 の 目的:
- 多発性骨髄腫患者におけるダラツムマブベースのレジメンに関連する感染リスクを系統的に評価すること。全感染症、重症感染症、肺炎などの特定の感染症のリスクを定量化すること。
主な方法:
- ランダム化第II相および第III相試験の系統的レビューとメタアナリシス。2025年10月まで主要なデータベース(PubMed、Embaseなど)を検索しました。成人多発性骨髄腫患者5,281人を対象とした9件の試験を含めました。
主要な成果:
- ダラツムマブ含有レジメンは、全感染症(RR 1.23)およびグレード≥3の感染症(RR 1.29)のリスクを有意に増加させました。肺炎のリスクは特に高く(RR 1.60)、感染症関連の死亡率は低く(≤2%)、両群間で同様でした。
結論:
- ダラツムマブ療法は、特に重症感染症や肺炎のリスクを高めます。絶対的な死亡率は低いですが、積極的な感染予防と監視が不可欠です。これらの結果は、ダラツムマブの使用が拡大するにつれて、慎重な管理を支持するものです。
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