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- W2890711618 abstract "e18022 Background: In Russia, there are no federal screening programs for detecting early stage of colon cancer; therefore we can assess the impact of various factors that could potentially affect the mortality of pts with mCRC Methods: We conducted a survey with 13 question according treatment of pts with CRC in 17 regional comprehensive cancer centers in 14 regions of Russia, with a total population of 26.347 billion. Results of the survey were conducted by methods of descriptive statistics. Effects of factors on mortality rate in regions were analyzed by a regression model Results: Only 34% pts with stage II-III received adjuvant chemotherapy. Mutation status of KRAS gene has been evaluated only in 33% pts with mCRC. In 2013, metastasectomy was performed only 13% of pts. Only 80% of pts who needed systemic treatment received chemotherapy (CT): doublets of CT (XELOX/FOLFOX/FLOX or FOLFIRI/XELIRI/IFL) - 49%, monotherapy of fluoropyrimidines - 39% of pts, bevacizumab – in 14% and anti-EGFR antibodies - 5% pts. Only 14% of pts with mCRC was placed central vein devices. Second line CT was performed in 47% pts: doublets – in 54%, monotherapy of fluoropyrimidines - in 24% pts, bevacizumab - 13% and anti-EGFR antibody - 8%. Third-line treatment was performed in 25% of pts: anti-EGFR antibodies - in 7.5%. According to regression analysis adjuvant chemotherapy (р = 0.01), bevacizumab only in the 1 st line (р = 0.01), and installation of central venous devises (р = 0.07) and anti-EGFR antibody in the 1 st line (р = 0.1) in wtKRAS pts had independent positive effect on the mortality rate in regions. We revealed a significant reverse connection between a high mortality rate in the region and administration of fluoropyrimidine monotherapy as 1 st line treatment of metastatic disease (p = 0.01) Conclusions: The mortality with colorectal cancer is depended of complex factors that reflect the health care organization in the region, both at the stage of treatment of pts with early-stage and metastatic disease. We revealed that targeted agents are the most effective only in the 1 st line settings." @default.
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- W2890711618 date "2017-05-20" @default.
- W2890711618 modified "2023-09-27" @default.
- W2890711618 title "Evaluation of the quality of cancer treatment in a population of patients (pts) with metastatic colorectal cancer (mCRC) in routine clinical practice in different regions of Russia." @default.
- W2890711618 doi "https://doi.org/10.1200/jco.2017.35.15_suppl.e18022" @default.
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