高用量の静脈内投与デスフェリオキサミンの眼内毒性
Lancet (London, England)
|July 23, 1983
まとめ
鉄過負荷のベータ・タラセミア・メジャー患者に対する高用量デスフェリオキサミン治療は,網膜の異常を引き起こした. これらの視力問題は,鉄のケラート治療を中止した後に改善しました.
科学分野:
- 血液学 ヘマトロジ
- オフタルモロジック (眼科)
- 薬理学 薬理学とは
背景:
- ベータ・タラセミア・メジャーでは,頻繁に輸血が必要になり,鉄分過剰に繋がります.
- 鉄過負荷は,潜在的な臓器損傷を含む重大なリスクをもたらす.
研究 の 目的:
- 通常より高い静脈内投与デスフェリオキサミン用量の有効性と安全性を評価する.
- 輸血依存症の患者に対する強烈な鉄塩基化による影響を評価する.
- 高用量デスフェリオキサミン療法の潜在的な副作用を特定するために.
主な方法:
- ベータ・タラセミア・メジャー患者の4人は,静脈内投与によるデスフェリオキサミンをエスカレートされた用量で投与した.
- 輸血による鉄過負荷を相殺することを目的とした治療.
- 臨床モニタリングには,副作用を検出するための眼科検査が含まれていました.
主要な成果:
- 2人の患者は,夜間失明と視野の欠陥によって特徴づけられる網膜異常を発症した.
- これらの眼科の発見は,高用量デスフェリオキサミン投与と関連していました.
- デスフェリオキサミンの中止は,網膜の異常と視覚症状の改善につながった.
結論:
- 静脈内投与のデスフェリオキサミンは,高用量であっても,ベータ・タラセミア・メジャー患者の可逆性網膜毒性を誘発する可能性があります.
- 鉄の化療法を集中的に実施する際には,眼科の注意深い監視が不可欠です.
- デスフェリオキサミンによって引き起こされる視覚障害の管理のために,投与量の調整または薬物の中止が必要になる場合があります.
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