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Tailoring adjuvant chemotherapy by circulating tumor DNA (ctDNA) in older patients with stage II-III colon cancer
Journal of Geriatric Oncology ( IF 3.0 ) Pub Date : 2022-08-26 , DOI: 10.1016/j.jgo.2022.08.016
Baran Akagündüz 1 , Deniz Can Guven 2 , Muhammet Ozer 3 , Ilker Nihat Okten 4 , Elif Atag 5 , İlkay Tugba Unek 6 , Ali Murat Tatli 7 , Aziz Karaoglu 6
Affiliation  

In most western countries, the median age of patients with CRC is around 70 years. Although the benefit of adjuvant chemotherapy has been established in stage III colon cancer, it remains controversial in patients with stage II disease. Colon cancer treatment in older adults follows the same basic concepts as in younger patients. However, for older patients, who may have age-related organ function decline and comorbid conditions that may limit life expectancy, special attention must be paid to the risks of chemotherapy, including treatment-related toxicities and quality of life issues. Long-term toxicities are particular concerns in older patients who received adjuvant chemotherapy. In the high-risk frail patient population, avoiding adjuvant therapies in patients with negative circulating tumor DNA (ctDNA) group, could prevent treatmentrelated toxicities while preserving the quality of life. In the treatment paradigm of earlystage colon cancer, the promise of ctDNA lies in its potential to detect minimal residual disease following resection of the primary tumor, allowing precise risk assessment and ctDNA-guided adjuvant therapy. Future studies will determine whether this technique may tailor treatment for patients in the adjuvant setting. Subgroup analyses by age may yield data on the use of ctDNA in older patients. Integration of the ctDNA approach to geriatric assessment may complete the missing piece of the puzzle when making adjuvant treatment decisions in older patients with colon cancer.



中文翻译:

通过循环肿瘤 DNA (ctDNA) 为 II-III 期结肠癌老年患者量身定制辅助化疗

在大多数西方国家,CRC 患者的中位年龄约为 70 岁。尽管辅助化疗对 III 期结肠癌有益,但对 II 期结肠癌患者仍存在争议。老年人的结肠癌治疗遵循与年轻患者相同的基本概念。然而,对于可能存在与年龄相关的器官功能下降和可能限制预期寿命的合并症的老年患者,必须特别注意化疗的风险,包括治疗相关的毒性和生活质量问题。接受辅助化疗的老年患者尤其关注长期毒性。在高危虚弱患者人群中,避免对循环肿瘤DNA(ctDNA)阴性的患者进行辅助治疗,可以预防治疗相关的毒性,同时保持生活质量。在早期结肠癌的治疗范例中,ctDNA 的前景在于它有可能检测原发肿瘤切除后的微小残留病灶,从而实现精确的风险评估和 ctDNA 指导的辅助治疗。未来的研究将确定这种技术是否可以为辅助环境中的患者量身定制治疗。按年龄进行的亚组分析可能会产生有关在老年患者中使用 ctDNA 的数据。在对老年结肠癌患者做出辅助治疗决策时,将 ctDNA 方法整合到老年评估中可能会补齐缺失的一块拼图。ctDNA 的前景在于它有可能检测原发肿瘤切除后的微小残留病灶,从而实现精确的风险评估和 ctDNA 指导的辅助治疗。未来的研究将确定这种技术是否可以为辅助环境中的患者量身定制治疗。按年龄进行的亚组分析可能会产生有关在老年患者中使用 ctDNA 的数据。在对老年结肠癌患者做出辅助治疗决策时,将 ctDNA 方法整合到老年评估中可能会补齐缺失的一块拼图。ctDNA 的前景在于它有可能检测原发肿瘤切除后的微小残留病灶,从而实现精确的风险评估和 ctDNA 指导的辅助治疗。未来的研究将确定这种技术是否可以为辅助环境中的患者量身定制治疗。按年龄进行的亚组分析可能会产生有关在老年患者中使用 ctDNA 的数据。在对老年结肠癌患者做出辅助治疗决策时,将 ctDNA 方法整合到老年评估中可能会补齐缺失的一块拼图。按年龄进行的亚组分析可能会产生有关在老年患者中使用 ctDNA 的数据。在对老年结肠癌患者做出辅助治疗决策时,将 ctDNA 方法整合到老年评估中可能会补齐缺失的一块拼图。按年龄进行的亚组分析可能会产生有关在老年患者中使用 ctDNA 的数据。在对老年结肠癌患者做出辅助治疗决策时,将 ctDNA 方法整合到老年评估中可能会补齐缺失的一块拼图。

更新日期:2022-08-30
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