在加拿大为结肠直肠癌进行无细胞DNA查的人口层面影响的建模
John M Hutchinson1, Yibing Ruan2, Brendan J Chia3
1Department of Oncology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
JAMA oncology
|May 1, 2025
概括
对结直肠癌的无细胞DNA (cfDNA) 查显示,加拿大有望提高检测率和降低死亡率. 然而,高人口参与率对于cfDNA测试至关重要,以优于FIT等现有方法.
科学领域:
- 在瘤学瘤学.
- 公共卫生 公共卫生
- 卫生经济学 卫生经济学
背景情况:
- 无细胞DNA (cfDNA) 测试是美国批准的新兴结肠直肠癌查方法.
- 加拿大的cfDNA查的影响,考虑到现实世界的坚持和测试性能,仍然没有量化.
研究的目的:
- 估计加拿大cfDNA查的临床和经济结果.
- 为了将cfDNA查与现有方法进行比较:便免疫化学测试 (FIT) 和结肠镜检查.
主要方法:
- 在模拟中使用了OncoSim-Colorectal模型 (3.6.5.7版本).
- 从2024年到2092年,模拟了3200万加拿大人的人口.
- 评估结果包括癌症病例,死亡,寿命和结肠镜检查,FIT和cfDNA查的成本.
主要成果:
- 在参与率更高的场景下,cfDNA查检测到显著更多的结直肠癌病例 (393,087) 与FIT (156,009) 相比.
- 与FIT相比,cfDNA查将整体死亡率降低了121,383例.
- 为了实现比结肠镜更低的死亡率,需要高cfDNA参与率 (80%的坚持率为78%,100%的坚持率为69%).
- 与FIT相比,cfDNA测试每健康调整寿命年成本更高 (加拿大234.80美元),每死亡避免成本更高.
- 较低的cfDNA参与率 (43%) 导致人口结果比FIT更差,突出了吸收的重要性.
结论:
- cfDNA测试有可能增加结直肠癌的检测,减少加拿大的死亡率.
- 实现这些好处取决于实现比以前观察到的更高的人口参与率.
- 为了成功实施,进一步研究患者接受基于血液的与基于便的查是必不可少的.
相关概念视频
02:43Mouse Models of Cancer Study
Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
02:43Mouse Models of Cancer Study
Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
01:21Cancer Survival Analysis
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...