性格的な楽観主義は,重度のうつ病の治療に対する反応を予測する:ポジティブな心理学の介入に対する潜在的な関連性
Ari S Coopersmith1, Owen M Wolkowitz1, Sindy H Mellon2
1Department of Psychiatry and Behavioral Sciences and Weill Institute for Neurosciences, University of California, San Francisco (UCSF) School of Medicine, San Francisco, CA, USA.
The journal of positive psychology
|August 26, 2025
まとめ
より高い性質の楽観主義は,重度のうつ病 (MDD) の治療に対するよりよい反応を予測する. セロトニン再吸収阻害剤 (SSRI) への反応の可能性をさらに高めます.
科学分野:
- 精神科
- 臨床心理学
- 神経科学
背景:
- ポジティブ心理学の介入は 重度のうつ病 (MDD) の治療に有望である.
- 偏向的な楽観主義とMDDにおける抗うつ薬の治療結果の関連性はよく理解されていません.
- 楽観主義は症状の軽減以外に治療反応に影響を与える可能性があります.
研究 の 目的:
- MDDにおけるディポジショナルの楽観性と抗うつ薬の治療反応との関連を調査する.
- 選択性セロトニン再吸収阻害剤 (SSRI) に対する反応を予測するかどうかを調べる.
- 治療中の楽観的な変化の役割を調べる
主な方法:
- 無薬のMDD参加者 (N=86) と健康な対照者 (N=65) での評価された楽観性 (LOT-R) とうつ病の重症度 (HDRS).
- 46人のMDD患者で8週間のオープンラベルSSRI治療後に測定された治療応答 (≥50%のHDRS減少).
- 治療前の楽観主義,楽観主義の変化,SSRI反応の関係を分析した.
主要な成果:
- MDDの参加者は,対照群より治療前の楽観性が著しく低い.
- 治療前のより高い楽観主義は,SSRI反応のより高い確率と関連していた (β=0. 21, p=0. 013).
- 治療中の楽観性の増加は,うつ病の評価とは無関係にSSRI反応 (β=0. 32, p=0. 01) を予測した.
結論:
- MDDにおける抗うつ薬治療反応の有意な予測因子である.
- 楽観主義は,SSRI治療の有効性の決定的な要因である可能性があります.
- この発見は,MDDの治療戦略に ポジティブ心理学を統合することを支持しています.
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