Comparison of the effect of topical bevacizumab and sorafenib in experimental corneal neovascularization.

Abstract:

PURPOSE:The purpose of this study was to compare the neovascularization inhibiting the effect of topical bevacizumab and sorafenib and to determine the effective dose of sorafenib. MATERIAL AND METHODS:Forty-two healthy Wistar albino rats were randomly divided into six groups. The right corneas of all rats except group 1 were cauterised with silver nitrate. Group 2 received DMSO, group 3 received topical bevacizumab (5 mg/dL, 3 times a day) and group 4, 5 and 6 received topical sorafenib (2.5 mg/dl, 5 mg/dL, 7.5 mg/dL, 2 times a day respectively), between days 1 and 7. Corneal photographs were taken on day 8 and the corneal neovascular area percentage was calculated. Following decapitation, the corneas were removed to determine the levels of VEGF ELİSA and corneal immune staining. The Mann-Whitney U-test was used for statistical analysis. RESULTS:The neovascular corneal area percentage was statistically significantly lower in the treatment groups than group 2 (p < 0.05). The intensity of VEGF immune staining was also lower in groups 3, 5 and 6 from the group 2. Group 3, 5 and 6 were no significant differences compared to group 1. The VEGF ELİSA levels were statistically significantly lower in group 3, 5 and 6 compared to group 2 (p < 0.05). There was no statistically difference between VEGF ELİSA levels of group 2 and 4 (p > 0.05). CONCLUSIONS:Sorafenib was as effective as bevacizumab in the regression of corneal neovascularization. The effect of sorafenib seems to be dose-dependent. The low doses and twice a day administration are important advantages of sorafenib.

journal_name

Cutan Ocul Toxicol

authors

Yildirim H,Aydemir O,Balbaba M,Özercan İH,İlhan N

doi

10.1080/15569527.2020.1760877

subject

Has Abstract

pub_date

2020-09-01 00:00:00

pages

223-228

issue

3

eissn

1556-9527

issn

1556-9535

journal_volume

39

pub_type

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