METHOD FOR COMBINED TREATMENT OF METASTATIC COLORECTAL CANCER IN PATIENTS WITH RESECTABLE HEPATIC METASTASES AND IN THE ABSENCE OF MUTATIONS IN THE KRAS AND BRAF GENES

FIELD: medicine.SUBSTANCE: invention relates to the field of medicine, namely to oncology, and can be used for combined treatment of metastatic colorectal cancer in patients with resectable hepatic metastases and in the absence of mutations in the KRAS and BRAF genes. The method includes drop admini...

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Hauptverfasser: Cheremisina Olga Vladimirovna, Afanasev Sergej Gennadevich, Tarasova Anna Sergeevna, Frolova Irina Georgievna, Dobrodeev Aleksej Yurevich, Kostromitskij Dmitrij Nikolaevich
Format: Patent
Sprache:eng ; rus
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Zusammenfassung:FIELD: medicine.SUBSTANCE: invention relates to the field of medicine, namely to oncology, and can be used for combined treatment of metastatic colorectal cancer in patients with resectable hepatic metastases and in the absence of mutations in the KRAS and BRAF genes. The method includes drop administration of cetuximab 500 mg/m2intravenously on day 1, irinotecan intravenously on day 1, oxaliplatin 85 mg/m2intravenously on day 1, drop infusion of leucovorin 200 mg/m2intravenously on day 1, and drop administration of 5-fluorouracil intravenously. Three courses of preoperative treatment are executed, wherein infusion of leucovorin is executed on days 1 and 2 at 200 mg/m2, the dose of irinotecan is 165 mg/m2, infusion of 5-fluorouracil at a dose of 3,200 mg/m2is executed for 46 hours, the gap between courses is 12 days. After completing the preoperative treatment, in the presence of an objective tumour response, simultaneous radical surgery is performed on the primary tumour and on the metastatic foci in the liver R0, 3 courses of adjuvant treatment are conducted in the postoperative period according to the previous scheme without administering cetuximab.EFFECT: use of the invention provides a possibility of improving the results of combined treatment of metastatic colorectal cancer with isolated liver damage by increasing the frequency of objective responses of the tumour and reducing the amount of adverse events during medicinal anti-tumour treatment, increasing the frequency of performing parenchyma-preserving radical liver resections (R0), as well as increasing the overall and relapse-free survival of patients.1 cl, 2 ex Изобретение относится к медицине, а именно к онкологии, и может быть использовано для комбинированного лечения метастатического колоректального рака у больных с резектабельными метастазами в печени и при отсутствии мутаций в генах KRAS и BRAF. Способ включает введение цетуксимаба 500 мг/м2внутривенно капельно в 1 день, иринотекана внутривенно капельно в 1 день, оксалиплатина 85 мг/м2внутривенно капельно в 1 день, инфузию лейковорина 200 мг/м2внутривенно капельно в 1 день и 5-фторурацила внутривенно капельно. Проводят три курса предоперационного лечения, при этом инфузию лейковорина проводят в 1 и 2 дни по 200 мг/м2, доза иринотекана составляет 165 мг/м2, инфузию 5-фторурацила в дозе 3200 мг/м2проводят в течение 46 часов, перерыв между курсами составляет 12 дней. После завершения предоперационного лечения при наличии объективного ответа оп