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Left-right colon cancer and the effectiveness of targeted antibodies (CROSBI ID 652644)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Skelin, Marko Left-right colon cancer and the effectiveness of targeted antibodies. 2017. str. 39-39

Podaci o odgovornosti

Skelin, Marko

engleski

Left-right colon cancer and the effectiveness of targeted antibodies

Colon carcinoma is one of the most common malignant diseases. Therapeutic protocols used in its treatment are based on 5- fluorouracil in combination with oxaliplatin (adjuvant and metastatic treatment) and irinotecan (metastatic treatment). Apart from chemotherapy, for the treatment of metastatic carcinoma of the colon are used targeted antibodies that can be divided by their basic mechanism of action on the inhibitors of the epidermal growth factor receptor (EGFR) and the inhibitors of the vascular endothelial growth factor (anti- VEGF). EGFR inhibitors that are used in the Republic of Croatia are cetuximab and panitumumab. These two drugs showed no significant difference in their activity when tested in a head to head study, and therefore it’s considered that there is no significant difference between these two antibodies. Also it is important to highlight that the EGFR inhibitors are in use for the treatment of a wild-type RAS colorectal tumor while for the RAS mutated tumors is used anti- VEGF therapy, in particular bevacizumab. Difference in effectiveness regarding RAS mutation is obtained from randomized controlled studies (FIRE-3), which showed superiority of cetuximab compared to bevacizumab in a direct comparison. The superiority of cetuximab was based on the increase of overall survival compared to bevacizumab. However, recently published subanalysis of the two large studies including the FIRE-3, showed that the effectiveness of targeted antibodies depends of the primary location of the tumor. Tumors of the right side of colon have poorer survival compared to the tumors of the left side of colon and also had an unexpected difference in the efficacy of targeted antibodies. Bevacizumab showed a similar efficacy regardless the side of the colon, while cetuximab surprisingly showed the lack of efficacy compared to bevacizumab in a wildtype RAS tumor of the right side of the colon. The aim of this lecture will be to present the latest findings on the effectiveness of targeted antibodies in patients with metastatic carcinoma of the colon, depending on the primary location of the tumor.

left-right colon cancer ; targeted antibodies

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Podaci o prilogu

39-39.

2017.

objavljeno

Podaci o matičnoj publikaciji

0300-8142

Podaci o skupu

1. regionalni kongres internističke onkologije i 1. regionalni kongres onkološke farmacije

poster

01.01.2017-01.01.2017

Dubrovnik, Hrvatska

Povezanost rada

Temeljne medicinske znanosti, Kliničke medicinske znanosti, Farmacija