シチシンとヴァレニクリンの禁煙効果: ランダム化臨床試験
Ryan J Courtney1, Hayden McRobbie1, Piotr Tutka2
1National Drug and Alcohol Research Centre, University of New South Wales, Sydney, Australia.
JAMA
|July 6, 2021
まとめ
禁煙薬であるサイトシンは,試験でバレニクリンほど効果的とは認められませんでした. ヴァレニクリンと比較して報告された有害事象も少なかった.
科学分野:
- 薬理学について
- 臨床試験
- 公衆衛生
背景:
- プラセボやニコチン置換療法よりも効力があると認められています.
- ヴァレニクリンは喫煙中止の主要な薬ですが,その使用は治療中止を引き起こす有害事象と関連しています.
研究 の 目的:
- 25日間の標準的なサイトシン治療が84日間の標準的なヴァレニクリン治療より劣らないかどうかを判断する.
- 禁煙におけるシチシンとバレニクリンの安全性比較
主な方法:
- オーストラリアの成人の毎日喫煙者1452人を対象としたオープンなランダム化臨床試験です.
- 参加者は25日間のサイトシンまたは84日間のバレニクリンの治療を受け,両グループは電話での行動支援を提供しました.
- 7ヶ月のフォローアップで,一酸化炭素呼吸検査で確認された.
主要な成果:
- シチシンでは11. 7% , ヴァレニクリンでは13. 3% (非劣等性のP=0. 03) であった.
- シチシンはバレニクリンに劣らずの禁煙効果を示さなかった.
- 自己報告の有害事象はシチシンではより少ない (比率0. 88;P=0. 002).
結論:
- 標準の25日間のサイトシン治療は,禁煙のための84日間のヴァレニクリンの治療と比較して,非劣等性基準を満たさなかった.
- この試験では,サイトシンが有害事象の少ない可能性のある安全性プロファイルを示しましたが,バレニクリンほど有効ではありませんでした.
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