多発性骨髄腫患者におけるボルテゾミブ誘発性心筋炎
Adriana Domínguez-Linares1, Ana Karen Nieto-Dolores2, Mauricio Garcia-Cardenas3
1National Institute of Neoplastic Diseases, Lima, Peru; School of Medicine, San Martín de Porres University (USMP), Lima, Peru.
JACC. Case reports
|February 24, 2026
まとめ
多発性骨髄腫の薬であるボルテゾミブは、稀に心筋炎を引き起こす可能性がある。患者の早期発見と治療により完全回復に至り、この稀な副作用に対する早期介入の重要性が強調された。
科学分野:
- 心臓病学
- 腫瘍学
- 薬理学
背景:
- ボルテゾミブは、多発性骨髄腫およびマントル細胞リンパ腫に使用されるプロテアソーム阻害薬である。
- ボルテゾミブは有効であるが、稀に心毒性、特に心筋炎を引き起こす可能性がある。
研究 の 目的:
- 多発性骨髄腫患者におけるボルテゾミブ誘発性心筋炎の稀な症例を報告する。
- 良好な転帰のためには、早期診断と管理の重要性を強調する。
主な方法:
- ボルテゾミブ療法後に心不全症状を発症した多発性骨髄腫の58歳男性の症例検討。
- 診断評価には、心エコー検査、トロポニンI値、冠動脈CT血管造影、心臓MRIが含まれた。
- 治療には、ボルテゾミブの中止とガイドラインに基づいた心不全療法の開始が含まれた。
主要な成果:
- 患者は重度の左室収縮機能不全とトロポニンI高値を呈した。
- 心臓MRIで虚血性原因を除外した急性心筋炎が確認された。
- ボルテゾミブの中止と心不全治療により、3週間以内に臨床的および心エコー検査上の完全回復が得られた。
結論:
- ボルテゾミブ誘発性心筋炎は、非常に稀であるが重篤な有害事象である。
- 潜在的なメカニズムには、プロテアソーム阻害が細胞ストレス経路につながることが含まれる。
- 患者の回復には、早期発見、薬剤中止、および迅速な心不全管理が不可欠である。
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