Factors associated with efficacy of FOLFIRI/aflibercept in patients with metastatic colon cancer
https://doi.org/10.17650/2220-3478-2019-9-2-29-37
Abstract
Objective: to identify factors associated with efficacy of an aflibercept-chemotherapy combination in patients with metastatic colon cancer.
Materials and methods. This retrospective multicenter study was conducted in 20 clinics from 15 regions of the Russian Federation. The main efficacy outcome was progression-free survival (PFS). We performed univariate and multivariate analysis to assess the impact of various factors of PFS.
Results. Two hundred and fifty-seven patients received aflibercept-containing chemotherapy; of them, 175 participants (68.1 %) received it as a second-line therapy. The objective response rate and median PFS were 18.7% and 5 months (95% confidence interval (CI) 4.2—5.8) respec -tively. The following factors were found to have a positive effect of PFS at multivariate analysis: grade I—II adverse events to aflibercept therapy (hazard ratio (HR) 0.58; 95 % CI 0.38—0.89; p = 0.01), therapy for concomitant diseases (HR 0.47; 95 % CI 0.29—0.76; p = 0.002), and ECOG performance status of 0 (HR 0.53; 95 % CI 0.34—0.81; p = 0.004). Patient with all 3 factors present had median PFS of 9 months, whereas patients without them demonstrated PFS of only 3 months (HR 1.9; 95 % CI 1.5—2.6; p <0.001).
Conclusions. Satisfactory performance status, adequate therapy for concomitant diseases, and adverse events to aflibercept therapy were associated with better PFS in patients receiving aflibercept-containing chemotherapy.
About the Authors
M. Yu. FedyaninRussian Federation
24 Kashirskoe Shosse, Moscow 115478
L. Yu. Vladimirova
Russian Federation
63 14th Line St., Rostov-on-Don 344037
V. A. Chubenko
Russian Federation
68A Leningradskaya St., Pesochny Settlement, Saint Petersburg 197758
L. A. Zagorskaya
Russian Federation
68A Leningradskaya St., Pesochny Settlement, Saint Petersburg 197758
A. V. Belyaeva
Russian Federation
68A Leningradskaya St., Pesochny Settlement, Saint Petersburg 197758
L. V. Bolotina
Russian Federation
3 2nd Botkinskiy Proezd, Moscow 125284
F. V. Moiseenko
Russian Federation
68A Leningradskaya St., Pesochny Settlement, Saint Petersburg 197758
O. L. Fakhrutdinova
Russian Federation
68A Leningradskaya St., Pesochny Settlement, Saint Petersburg 197758
S. A. Belukhin
Russian Federation
68A Leningradskaya St., Pesochny Settlement, Saint Petersburg 197758
A. S. Zhabina
Russian Federation
68A Leningradskaya St., Pesochny Settlement, Saint Petersburg 197758
L. V. Khalikova
Russian Federation
68A Leningradskaya St., Pesochny Settlement, Saint Petersburg 197758
V. M. Moiseenko
Russian Federation
68A Leningradskaya St., Pesochny Settlement, Saint Petersburg 197758
А. А. Meshcheryakov
Russian Federation
24 Kashirskoe Shosse, Moscow 115478
E. V. Artamonova
Russian Federation
24 Kashirskoe Shosse, Moscow 115478
I. A. Pokataev
Russian Federation
24 Kashirskoe Shosse, Moscow 115478
A. I. Khasanova
Russian Federation
29 Sibirskiy Road, Kazan 420029
A. V. Belonogov
Russian Federation
16 Krasnaya Presnya St., Moscow 123242
Kh. S. Musaeva
Russian Federation
81 Leonova St., Grozny 364029
O. Yu. Novikova
Russian Federation
164 Voronezhskoe Shosse, Khabarovsk 680042
I. Yu. Stradaeva
Russian Federation
6 Karbysheva St., Balashikha 143900
I. L. Popova
Russian Federation
63 14th Line St., Rostov-on-Don 344037
G. Z. Mukhametshina
Russian Federation
29 Sibirskiy Road, Kazan 420029
R. V. Orlova
Russian Federation
Medical Faculty.
7—9 Universitetskaya Naberezhnaya, Saint Petersburg 199034
S. P. Erdniev
Russian Federation
3/5 2nd Berezovaya Alleya, Saint Petersburg 197022
A. K. Ivanova
Russian Federation
3/5 2nd Berezovaya Alleya, Saint Petersburg 197022
A. V. Androsova
Russian Federation
3/5 2nd Berezovaya Alleya, Saint Petersburg 197022
P. S. Feoktistova
Russian Federation
9a Sportivnaya St., Nizhnevartovsk 628615
E. S. Kuzmina
Russian Federation
39 Mira St., Salekhard 629001
E. V. Karabina
Russian Federation
201 Plekhanova St., Tula 300053
O. V. Nekrasova
Russian Federation
32 Barnaulskaya St., Tyumen 625041
V. M. Sherstnev
Russian Federation
5/1 Perervinskiy Bulvar, Moscow 109451
A. A. Mishchenko
Russian Federation
59 Russkaya St., Vladivostok 690105
L. A. Mukova
Russian Federation
23 Lermontova St., Nalchik 360051
B. Kh. Kertiev
Russian Federation
23 Lermontova St., Nalchik 360051
G. I. Kosar
Russian Federation
46/45Pervomayskiy Per., Volgodonsk 347360
S. N. Osodoeva
Russian Federation
32 Pirogova St., Ulan-Ude 670047
A. I. Kats
Russian Federation
23 Sholom-Aleykhema St., Birobidzhan 679016
R. R. Malina
Russian Federation
23 Sholom-Aleykhema St., Birobidzhan 679016
A. A. Tryakin
Russian Federation
24 Kashirskoe Shosse, Moscow 115478
S. A. Tjulandin
Russian Federation
24 Kashirskoe Shosse, Moscow 115478
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