大麻の使用が健康に与える影響と処方されたベンゾジアゼピンの使用
medRxiv : the preprint server for health sciences
|September 5, 2025
まとめ
ベンゾジアゼピン (BZD) 使用者の間で大麻の使用は,死亡率,入院,またはER訪問に有意な影響を及ぼさなかった. この研究では,BZDを抑制する効果の証拠は見つかりませんでしたが,大麻はBZDの処方箋の代わりにはなりません.
科学分野:
- 薬理学と薬物使用
- 公衆衛生と疫学
- 臨床研究
背景:
- ベンゾジアゼピン (BZD) の乱用と過剰摂取による死亡が増加しているため,より安全な代替品を探求する必要がある.
- 大麻はBZDの潜在的代替品として提案され,健康上の改善の可能性があります.
研究 の 目的:
- ベンゾジアゼピン使用者における大麻使用と健康上の結果との関連を調査する.
- 大麻の使用が全死率,入院,緊急診療に 影響するかどうかを判断する.
- 大麻のベンゾジアゼピン抑制効果を処方量で評価する.
主な方法:
- イェール・ニューヘイブン・ヘルス・システムのデータを用いた遡及的長期コホート研究.
- 大麻に曝露した BZD ユーザと曝露しなかった BZD ユーザを比較し,治療の重み付けと傾向スコアを逆の確率で合わせた.
- すべての原因による死亡率,入院,ED訪問,BZD処方量を含むアウトカムが,カプラン・マイヤー曲線とコックス比例リスクモデルを使用して分析されました.
主要な成果:
- この研究には1,026人の患者 (女性60. 3%,平均年齢54. 2) が参加した.
- 大麻の使用は,BZDの量,あらゆる原因による死亡率,入院,またはER訪問と有意な関連性を示さなかった.
- 50歳未満の医療用大麻使用者は死亡リスクが低く,入院リスクは高かった.
結論:
- BZD使用者の大麻使用は,死亡率,入院,またはER訪問の変化と有意に関連していません.
- この研究では,同時期に大麻を使用したベンゾジアゼピン抑制効果を支持する証拠は見つかりませんでした.
- 特定の患者集団における大麻の微妙な効果を理解するためにさらなる研究が必要である.
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