Anticancer research · 2023
Analysis of an Unselected Patient Cohort With Advanced Colorectal Carcinoma from a Maximum Care Center.
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Zhang Xin-Wen, Mohr Jutta, Halama Niels, Koschny Ronald
Аннотация
BACKGROUND/AIM: Systemic treatment for metastatic colorectal cancer (CRC) includes chemotherapy in combination with a targeted antibody. Novel targeted therapies and immunotherapies are introduced for specific molecular subgroups. Prognostic relevant determinants are still under investigation.
PATIENTS AND METHODS: Systemic therapies of an unselected patient cohort with metastatic CRC were retrospectively analyzed. Treatment outcome was evaluated according to time-to-next-treatment (TTNT) and frequency of conversion surgery and compared between subgroups stratified by primary tumor side, molecular profile, sex and age, and metastases sites.
RESULTS: More than 50% of patients with locally advanced or metastatic CRC underwent secondary resection after first-line systemic therapy. Rectum carcinoma had the best prognosis under anti-EGFR-antibody treatment. Female patients had a worse prognosis than male patients in late disease stage. Young patients demonstrated poor response to systemic therapy, but a high rate of conversion surgeries. Conversely, elderly patients benefited from systemic therapy but underwent surgery less frequently. Liver and lung metastases had a worse prognosis than other metastases sites, whereas lung metastases were more likely to be resected than liver metastases in early disease stage.
CONCLUSION: Patient age, sex, primary tumor localization, and metastatic sites are prognostic factors that could guide future treatment decisions for the therapy of metastatic CRC.
PATIENTS AND METHODS: Systemic therapies of an unselected patient cohort with metastatic CRC were retrospectively analyzed. Treatment outcome was evaluated according to time-to-next-treatment (TTNT) and frequency of conversion surgery and compared between subgroups stratified by primary tumor side, molecular profile, sex and age, and metastases sites.
RESULTS: More than 50% of patients with locally advanced or metastatic CRC underwent secondary resection after first-line systemic therapy. Rectum carcinoma had the best prognosis under anti-EGFR-antibody treatment. Female patients had a worse prognosis than male patients in late disease stage. Young patients demonstrated poor response to systemic therapy, but a high rate of conversion surgeries. Conversely, elderly patients benefited from systemic therapy but underwent surgery less frequently. Liver and lung metastases had a worse prognosis than other metastases sites, whereas lung metastases were more likely to be resected than liver metastases in early disease stage.
CONCLUSION: Patient age, sex, primary tumor localization, and metastatic sites are prognostic factors that could guide future treatment decisions for the therapy of metastatic CRC.