オピオイド使用障害に対するメタドーンとメディケイド: 対象範囲を拡大し,2019年から24年までの10州での配給増加
Ellen Latsko1, Alina Denham2, Michael L Barnett3
1Ellen Latsko, Brown University, Providence, Rhode Island.
Health affairs (Project Hope)
|August 20, 2025
まとめ
オピオイド使用障害の治療のために メタドンの配給を増加させました しかしオピオイド過剰摂取による死亡者数も増加し 薬物治療の範囲を超えた 総合的な薬物依存症治療政策の必要性を強調しました
科学分野:
- 公衆衛生
- 薬理学について
- 健康政策
背景:
- メタドンはオピオイド使用障害 (OUD) の治療に不可欠ですが,規制上の障壁のために歴史的に不足しています.
- 2018年以前は,メタドン治療に対するメディケイドの不一致が,多くの患者のアクセスを制限していました.
- 薬物使用障害予防と患者とコミュニティのオピオイド回復と治療 (SUPPORT) 法は,メディケイドの適用を義務付けることでアクセスを拡大することを目的としています.
研究 の 目的:
- メタドンの配給率に対するSUPORT法のメディケイドの拡大の影響を評価する.
- メタドンの使用範囲の拡大とオピオイド過剰摂取による死亡傾向との関連を評価する.
主な方法:
- 制御物質の分布データ (2016-2024) と国家死亡データを使用した.
- メタドンを新たにメディケイドでカバーする州と,既にメタドンをカバーしている州を比較したアプローチが採用されました.
- 政策の実施前と後のメタドンの分布とオピオイド過剰摂取による死亡の変化を分析した.
主要な成果:
- メタドンに対するメディケイドの適用範囲の拡大は,人口レベルでのメタドン分布の有意な増加と関連していた (人口10万人当たり86.6グラム,相対的な変化13.2%).
- オピオイドの過剰摂取による死亡率は,対照国と比較して14.4%増加しました.
- メタドンの可用性に対する肯定的な効果は示されているが,同時に過剰摂取による死亡率の減少は示されていない.
結論:
- オピオイド使用障害の治療のためのメタドンの配給を人口レベルで向上させました.
- オピオイドの過剰摂取による死亡の同時増加は 薬剤へのアクセスを増やすだけでは不十分であることを強調しています
- 現在進行中のオピオイド危機に効果的に対処するには,より広範な依存症治療政策の解決策が不可欠です.
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