在割敏感的晚期前列腺癌的雄激素剥夺疗法中,回归和增长率
Leandro Blas1, Masaki Shiota2, Hideyasu Matsuyama3
1Department of Urology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan.
World journal of urology
|October 30, 2024
概括
抗雄激素剥夺疗法 (ADT) 影响晚期前列腺癌的瘤动态. 增长率,而不是回归率,预测了生存结果,这表明它在治疗决策中的有用性.
科学领域:
- 在瘤学瘤学.
- 数学生物学 数学生物学
- 临床试验 临床试验
背景情况:
- 晚期割敏感前列腺癌 (CSPC) 需要有效的治疗策略.
- 抗雄激素剥夺疗法 (ADT) 是高级CSPC的基石治疗.
- 了解瘤动态,特别是癌症回归 (d) 和生长 (g) 率,对于优化ADT治疗方案至关重要.
研究的目的:
- 为了比较癌症回归率 (d) 和癌症生长率 (g) 在接受不同ADT疗法治疗的晚期CSPC患者中.
- 评估这些比率对无进展生存 (PFS) 和整体生存 (OS) 的影响.
- 为基于瘤动态的个性化治疗策略提供见解.
主要方法:
- 来自KYUCOG-1401试验的顺序前列腺特异性抗原 (PSA) 数据的分析.
- 患者被随机分配,接受一种淋巴激素释放激素 (GnRH) 抗剂 (A组) 或一种GnRH激动剂加上双胺 (B组).
- 使用数学模型估计d和g率,然后将它们与PSA无进展生存期 (PSA-PFS),无进展放射性生存期 (rPFS) 和整体生存期 (OS) 相相关联.
主要成果:
- 较高的基线PSA和疾病得分的程度与更高的回归率有关.
- 与GnRH对抗剂组 (A组) 相比,GnRH对抗剂组加双胺组 (B组) 呈现出明显较低的中位数回归率和较高的中位数增长率.
- 增长率,但不是回归率,是PSA-PFS,rPFS和OS的重要预测指标.
结论:
- 与GnRH抗剂相比,GnRH抗剂加上双胺在降低PSA水平和延长PSA抑制方面表现出更高的疗效.
- 癌症生长率是一个有价值的预后标记,用于预测接受ADT的晚期CSPC患者的生存结果.
- 将生长率测量纳入临床实践可以提高预后准确性,并指导高级CSPC的个性化治疗决策.
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