局所的に進行した直腸がんの患者における新補助化学放射線治療の結果の予測および予後バイオマーカーとしての栄養指標
Zhenyong Shao1, Yihe Zou2, Changlin Zou3
1Department of Radiotherapy, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310058, Zhejiang Province, China.
まとめ
赤血球とヘモグロビンのレベルは,局所的に進行した直腸がん (LARC) の新補助化学放射線療法 (nCRT) の有効性を予測します. 良い栄養状態を維持すると,LARC患者の治療反応と生存率が改善されます.
科学分野:
- 腫瘍学
- 胃腸内科
- 栄養学
背景:
- 局所的に進行した直腸がん (LARC) は,効果的な新補助化学放射線療法 (nCRT) を必要とします.
- 栄養状態は,がん治療の有効性と患者の生存に大きく影響します.
- nCRT応答の信頼性の高い予測要因を特定することは,患者の管理を最適化するために極めて重要です.
研究 の 目的:
- LARC患者における栄養指標の変化とnCRTの有効性との関連を調査する.
- 治療反応と生存結果を予測する栄養マーカーの値を決定する.
- 赤血球数 (RBC) とヘモグロビン (HB) が予後要因として果たす役割を調べる.
主な方法:
- 208人のLARC患者における栄養指標 (RBC,HB,PLT,PNI,BMI) の連続測定の分析
- nCRT応答を予測するためのロジスティック回帰と生存分析のためのコックス回帰 (DFS/OS).
- 栄養マーカーの予測力を評価する受容器操作特性 (ROC) 曲線解析
主要な成果:
- RBC と HB は,nCRT の有効性の独立した予測因子として特定されました.
- RBC と HB の組み合わせは,個々のマーカーと比較して,nCRT 応答の優れた予測力を示した.
- HB濃度の上昇は,無疾患生存期 (DFS) と全生存期 (OS) の改善と有意に関連していました.
結論:
- RBCとHBは,LARCにおけるnCRTの有効性を独立して予測する.
- HBは,LARC患者におけるDFSとOSの有意な予後要因である.
- nCRT中に最適な栄養パラメータを維持することは,より良い治療結果と生存率に関連しています.
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