分子遺伝学研究における臨床流行病学的品質:方法論的基準の必要性
S T Bogardus1, J Concato, A R Feinstein
1Department of Medicine, Yale University School of Medicine, New Haven, Conn 06504, USA. bogardus@gwpo.ynhh.com
JAMA
|June 1, 1999
まとめ
臨床ジャーナルの分子遺伝学研究は,しばしば疫学的な質が欠け,そのほとんどは主要な方法論的基準を満たしていない. これらの基準の改善は,遺伝子検査の完全な利点を実現するために不可欠です.
科学分野:
- 臨床流行病学 臨床流行病学とは
- 分子遺伝学 分子遺伝学
- 医学研究方法論 医学研究方法論
背景:
- 分子遺伝分析は著しく進歩し,様々な病状の商業化された検査に至った.
- しかし,分子遺伝学の研究における臨床疫学の質は,十分に注目されていない.
- このギャップは,臨床実務における遺伝学的発見の信頼性の高い応用に影響を及ぼします.
研究 の 目的:
- 公開された分子遺伝学研究の臨床流行病学的質を批判的に評価する.
- これらの研究における方法論的基準の欠陥を特定する.
- 臨床疫学における確立された原則の遵守を評価する.
主な方法:
- 一般臨床雑誌に掲載された1995年のオリジナルの研究論文を分析した横断的な研究.
- 少なくとも10人の患者を対象に分子遺伝技術について議論し,推論的結論を提示した論文を40件選定した.
- 7つの主要な流行病学的基準の遵守が評価されました:再現性,客観性,症例/比較群の定義と適切性,定量的な要約.
主要な成果:
- 分析された論文の12.5%だけが7つの疫学的基準を満たし,25%が1つを除くすべての基準を満たしていた.
- 圧倒的多数 (62.5%) が2つ以上の基準に準拠できず,22.5%が4つまたは5つに準拠できませんでした.
- 再現性 (62.5%) と客観性 (67.5%) に共通する欠陥が指摘され,ケース/比較グループの妥当性および定量的な要約は一般的に良好に報告されました.
結論:
- 実験室での進歩にもかかわらず,臨床ジャーナルの分子遺伝学研究は,しばしば方法論的省略や疫学的な欠陥を示しています.
- 基本的流行病学的基準の遵守がないことが,遺伝学的発見の正確な解釈と適用を妨げています.
- 臨床流行病学の原則に対する注意の強化は,分子遺伝検査の期待される利点が達成されるようにするために不可欠です.
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