ホームレス状態にある人々へのC型肝炎介入のためのピア支援遠隔医療
Megan C Herink1, Hunter C Spencer2, Ryan R Cook2
1College of Pharmacy, Oregon State University and Oregon Health and Science University, 2730 S. Moody Ave. CL5CP, Portland, OR, 97201, USA. herink@ohsu.edu.
Harm reduction journal
|February 5, 2026
まとめ
C型肝炎ウイルス(HCV)に対するピア支援遠隔医療は、標準治療と比較して、不安定な住居を持つ個人の治癒率を大幅に改善しました。このモデルは、脆弱な集団におけるHCV排除に有望です。
科学分野:
- 肝臓病学
- 公衆衛生
- 遠隔医療
背景:
- C型肝炎ウイルス(HCV)の治療と治癒率は、ホームレス人口の間で低いままです。
- 無作為化比較試験では、HCVに対するピア支援遠隔医療(TeleHCV)と強化通常ケア(EUC)をオレゴン州の農村部で比較しました。
- 不安定な住居はTeleHCVの効果に悪影響を及ぼすと仮定されていました。
研究 の 目的:
- HCV治癒率に対するTeleHCV介入の効果を評価すること。
- 不安定な住居がTeleHCV介入の効果修飾因子となる可能性を検討すること。
- 不安定な住居を持つ個人における治療開始と治癒に対するピアエンゲージメントの影響を評価すること。
主な方法:
- HCVと薬物注射歴のある成人203名を対象とした無作為化比較試験の二次解析。
- 住居状況と治療割り当ての間の相互作用を調べるために、ポアソン回帰分析が使用されました。
- HCV治癒は、治療開始後12週時点でのHCV RNA検出不能として定義されました。
主要な成果:
- 不安定な住居を持つ個人のHCV治癒率は全体的に低かった(RR=0.68)。
- TeleHCV群の不安定な住居を持つ参加者は、EUC群の参加者と比較してHCV治癒を達成する可能性が6倍以上高かった(RR=6.47、p<0.001)。
- 治療と住居状況の間に有意な相互作用(p=0.022)が観察され、安定した住居を持つ個人では効果が小さかった(RR=2.15)。
- ピアエンゲージメントの増加は、治療開始率と治癒率の向上と相関していました。
結論:
- ピア支援TeleHCV介入は、EUCと比較して、不安定な住居を持つ個人のHCV治癒率を大幅に改善しました。
- TeleHCVモデルは、ホームレス状態にある集団におけるHCV排除目標を達成するために、広範な普及の可能性を示しています。
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