肺結核患者における経時的な尿中LAM測定:予備的観察
Vasiliki Kolokotroni1, Irini Gerogianni2, Konstantinos I Gourgoulianis2
1Department of Respiratory Medicine, Faculty of Medicine, School of Health Sciences, University of Thessaly, University Hospital of Larissa, Larissa, Greece. vasokolokotroni00@gmail.com.
Tropical medicine and health
|February 27, 2026
まとめ
尿中リポアラビノマンナン(LAM)レベルは、非侵襲的に結核(TB)治療反応を追跡できる。尿中LAM動態は喀痰パターンを反映し、喀痰を産生できないTB患者のモニタリングのための有望なツールを提供する。
科学分野:
- 感染症
- バイオマーカー発見
- 臨床診断
背景:
- 肺結核(TB)の治療反応のモニタリングは重要である。
- 非侵襲的なバイオマーカーは限られており、特に喀痰を産生できない患者にとってはそうである。
研究 の 目的:
- 肺結核の診断とモニタリングのための尿中PATHFAST TB LAM Agアッセイを評価する。
- TB治療中の尿中リポアラビノマンナン(LAM)動態を評価する。
主な方法:
- ギリシャ、ラリッサ大学病院における9人の肺結核患者の縦断的研究。
- 治療開始から24週までのシリアルな尿サンプルを収集した。
- PATHFAST TB LAM Agアッセイ(≥10 pg/mL陽性)を使用して尿中LAMを定量化した。
主要な成果:
- 尿中LAM陽性は4週から12週の間にピークに達した。
- 喀痰LAM動態を反映する3つの異なるLAM動態パターンが観察された。
- 非結核性ミコバクテリア感染症および低ベースライン症例における偽陽性の可能性が特定された。
結論:
- 尿中LAM動態は喀痰由来のパターンと相関し、TBのシリアルモニタリングのための非侵襲的な検体としての尿を検証した。
- 低ベースラインの尿中LAM結果の解釈には注意が必要である。
- 結果を確認するために、より大規模なコホートでのさらなる研究が推奨される。
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