甲状腺眼症治療薬テプロツムマブと聴覚障害の関連性:メタアナリシス
Maxim J Barnett1, Maria deMelo1, Maria Rego1
1Internal Medicine, Jefferson Einstein Philadelphia Hospital, Philadelphia, USA.
Cureus
|February 3, 2026
まとめ
甲状腺眼症治療薬テプロツムマブは、聴覚障害のリスク増加と関連している。この関連性は、ランダム化比較試験および観察研究全体で一貫しており、重大な安全上の懸念を示している。
科学分野:
- 眼科学、内分泌学、耳鼻咽喉科学
背景:
- 甲状腺眼症(TED)は、衰弱性の自己免疫疾患である。テプロツムマブは、IGF-1R経路を標的とする、TEDのFDA承認治療薬である。テプロツムマブと聴覚障害の潜在的な関連性を示唆するエビデンスが登場している。
研究 の 目的:
- TED患者におけるテプロツムマブ使用に関連する聴覚障害のリスクに関するエビデンスを系統的にレビューし統合すること。異なる研究デザインにおける広義および狭義の定義の両方を用いて聴覚障害のリスクを定量化すること。
主な方法:
- 2025年9月20日まで、MEDLINEおよびCINHALで包括的な文献検索を実施した。含まれた研究は、4つのランダム化比較試験(RCT)および5つの観察研究であった。聴覚障害のリスク比(RR)を計算するためにメタアナリシスを実施した。
主要な成果:
- テプロツムマブの使用は、臨床試験(広義:RR 3.57;狭義:RR 5.23)および観察研究(広義:RR 2.78;狭義:RR 2.76)の両方において、統計的に有意な聴覚障害リスクの増加と関連していた。結果は感度分析全体で有意であり、異質性や出版バイアスの証拠はなかった。聴覚障害の定義に関わらず、関連性は一貫していた。
結論:
- テプロツムマブは、甲状腺眼症患者における聴覚障害のリスク増加と有意に関連している。このリスクは、様々な研究デザインや難聴の定義において明らかである。管理戦略、再発、聴覚機能の回復をさらに調査する必要がある。
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