進行がんにおける免疫療法の試験における検閲 体系的なレビューとメタ研究
Filippo Vitale1, Fabio Salomone1, Massimo Di Maio2
1Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Sergio Pansini 5, Naples, Italy.
Journal of the National Cancer Institute
|August 26, 2025
まとめ
免疫チェックポイント阻害剤 (ICI) のランダム化制御試験 (RCT) の検閲率は著しく異なります. 試験の初期にはコントロールグループで 検閲が増え,実験グループは後に検閲が増え,生存結果の解釈に影響を及ぼした.
科学分野:
- 腫瘍学
- 臨床試験の方法論
- バイオ統計学
背景:
- 情報の検閲は臨床試験の結果の解釈に大きく影響します
- 免疫チェックポイント阻害剤 (ICI) 試験における検閲率を理解することは,正確な結果評価に不可欠です.
研究 の 目的:
- 免疫チェックポイント阻害剤 (ICI) を評価するランダム化制御試験 (RCT) の検閲率を調査し,定量化する.
- 癌の治験の異なる時間点におけるコントロールと実験の間の検閲パターンを比較する.
主な方法:
- 進行がんにおけるICIに関するRCTの体系的な検索は2023年12月まで公開される.
- 特定の間隔で進行しない生存率 (PFS) と全生存率 (OS) のカプラン・マイヤー曲線から検閲率の抽出 (T1,Tm,T2).
- コントロール (C) と実験 (E) の間で検閲率 (wΔC-E) の加重差を計算する.
主要な成果:
- 検閲データは,選択された140件の試験の37. 8% (PFS) と39. 2% (OS) のみで利用可能であった.
- PFSとOSの両方の開始時に (T1) コントロールグループで高い検閲率が観察されました.
- 実験の腕は,PFSとOSの両方に対して,試験の終わり (T2) に向かって高い検閲率を示した.
- 公開RCTでは,ダブルブラインドRCTと比較して,T1における対照群の検閲率が高かった.
結論:
- ICI RCTの有意な数は,検閲データの完全な報告が欠けている.
- 検閲パターンはダイナミックで,最初は対照群の割合が高く,後に実験群の割合が増加します.
- ICI試験における生存結果に対するこれらの検閲パターンの影響を完全に理解するには,さらなる研究が必要です.
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