有害な大麻使用に対する認知行動療法の有効性:体系的なレビューとメタ解析
Safat Ullah1,2, Asad Ullah2, Fayaz Ahmad2
1School of Medicine, Keele University, Staffordshire ST5 5BG, UK.
Cognitive behaviour therapy
|February 17, 2026
まとめ
認知行動療法 (CBT) は,他の治療法と比較して,大麻使用頻度の有意な減少を示していません. CBTを標準化し,大麻使用障害のより良い結果のために補助療法を統合するためにさらなる研究が必要です.
科学分野:
- 精神科医は精神病を患っている.
- 臨床心理学の臨床心理学について
- 依存症医学 薬物中毒医学
背景:
- 大麻使用障害 (CUD) は,公衆衛生上の重要な懸念事項である.
- 認知行動療法 (Cognitive Behavioral Therapy,CBT) は,薬物使用障害を含む様々な精神疾患の治療に広く用いられている介入です.
- 特にCUDに対するCBTの有効性は,厳格な評価を必要とします.
研究 の 目的:
- 大麻使用者のCBTの有効性を体系的にレビューし,メタ分析する.
- CUDの他の確立された介入とCBTの結果を比較する.
- 治療応答の潜在的なモデレーターとメディエーターを特定する.
主な方法:
- 複数のデータベース (MEDLINE,PsycINFOなど) を体系的に検索する. そして,臨床試験の登録簿.
- 大麻使用に対するCBTを評価するランダム化対照試験 (RCT) を含む.
- コクラン・リスク・オブ・バイアス (RoB1) ツールによる品質評価.
- 大麻の使用頻度と毎日の消費量に関するまとめられた推定値のメタ分析.
主要な成果:
- 1280人の参加者を含む9つのRCTが含まれる.
- CBTは,対照条件と比較して大麻使用頻度を有意に低下させなかった (短期:p=0.10,中期:p=0.75,長期:p=0.91).
- 日々の大麻消費量の有意な中期的な減少が観察されました (p<0.05),しかし,効果は時間点で一貫しませんでした.
結論:
- 現在の証拠は,CBTだけでは大麻使用頻度の大幅な減少に十分ではないことを示唆しています.
- 研究の限界には,異質性,サンプルサイズが小さく,バイアスのリスクが含まれます.
- 将来の研究は,CUDの治療効果を改善するために,標準化されたCBTプロトコルと補助療法との統合に焦点を当てなければなりません.
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