抗高血圧薬の広告の傾向,1985年~1996年
T J Wang1, J C Ausiello, R S Stafford
1Institute for Health Policy and General Medicine Division, Massachusetts General Hospital, Boston, MA 02114, USA.
Circulation
|April 20, 1999
まとめ
製薬広告では,カルシウムチャネルブロッカー (CCB) の広告が著しく増加し,高血圧治療におけるその増加を反映した. これは,マーケティングが医師の処方箋に影響を及ぼし,他の治療法に取って代わることを示唆しています.
科学分野:
- 心臓病学 心臓病学
- 医薬品のマーケティング
- 医学経済学 医学経済学
背景:
- 高血圧治療の傾向は,カルシウムチャネルブロッカー (CCB) とACE阻害剤の使用の増加を示しており,ベータブロッカーと利尿薬の使用は過去10年間で減少しています.
- 医薬品のマーケティングは,これらの処方パターンに影響を及ぼすと疑われるが,抗高血圧薬の広告の客観的な分析は欠けている.
研究 の 目的:
- 抗高血圧薬の広告トレンドを客観的に分析する.
- 医薬品広告と高血圧治療の医師の処方パターンとの関連性を調査する.
主な方法:
- 1985年から1996年にかけてのニューイングランド・ジャーナル・オブ・メディシン (New England Journal of Medicine) の広告コンテンツのレビュー
- 特定の薬物クラスに割り当てられた広告ページの割合を測定することによって,薬物プロモーションの強度の定量化.
- 時間の経過による変化を評価するために,トレンドの chi2 テストを使用した統計分析.
主要な成果:
- CCBの広告は,1985年の4.6%から1996年の26.9%に劇的に増加した (P<0.0001).
- ベータブロッカーと利尿剤の広告は1996年までに0%まで減少した (P<0,0001).
- 薬物の広告ページの全体的な減少にもかかわらず,CCBの広告はほぼ4倍になりました.
結論:
- CCBの促進の増加は,これらの薬剤の医師の処方量の増加と相関しています.
- 広告の増加と処方パターンの間には潜在的な関連性があり,CCBによって他の高血圧療法が置き換えられたことを説明する可能性がある.
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