Comparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost

Comparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost

Yuko Maruyama,1,2 Yoko Ikeda,1,3 Kazuhiko Mori,1 Morio Ueno,1 Haruna Yoshikawa,1 Shigeru Kinoshita41Department of Ophthalmology, Kyoto Prefectural University of Medicine, 2Fukuchiyama City Hospital, 3Oike-Ganka Ikeda Clinic, 4Department of Frontier Medical Science and Technology for Ophthalmology, K...

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Autores principales: Maruyama Y, Ikeda Y, Mori K, Ueno M, Yoshikawa H, Kinoshita S
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Lenguaje:EN
Publicado: Dove Medical Press 2015
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Ophthalmology
RE1-994
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spelling oai:doaj.org-article:d452488e152e4ec48175c63534bdee962021-12-02T01:48:20ZComparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost1177-5483https://doaj.org/article/d452488e152e4ec48175c63534bdee962015-08-01T00:00:00Zhttp://www.dovepress.com/comparison-between-bimatoprost-and-latanoprost-timolol-fixed-combinati-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Yuko Maruyama,1,2 Yoko Ikeda,1,3 Kazuhiko Mori,1 Morio Ueno,1 Haruna Yoshikawa,1 Shigeru Kinoshita41Department of Ophthalmology, Kyoto Prefectural University of Medicine, 2Fukuchiyama City Hospital, 3Oike-Ganka Ikeda Clinic, 4Department of Frontier Medical Science and Technology for Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, JapanBackground: The purpose of this study was to prospectively evaluate and compare intraocular pressure (IOP) reduction efficacy and safety between bimatoprost and latanoprost-timolol fixed combination (LTFC) in Japanese patients with open-angle glaucoma.Methods: In this prospective, randomized, non-masked study, after enrolling 70 eyes of 70 Japanese open-angle glaucoma patients who had used latanoprost monotherapy for more than 4 weeks, the subjects were randomly divided into a bimatoprost group or an LTFC group. Both groups were switched from latanoprost to bimatoprost or LTFC for 12 weeks. IOP, conjunctival injection score, corneal epitheliopathy score (area density classification; AD score), tear film break-up time, heart rate, and blood pressure were evaluated at 0, 4, and 12 weeks after switching. The paired t-test and Mann–Whitney U-test were used for the statistical analysis.Results: After 13 of the 70 patients dropped out, 57 were analyzed for IOP reduction and safety. There was a significant decrease in mean IOP at 4 weeks compared with week 0 in both groups (both P<0.0001). Comparisons between the two groups showed no statistically significant differences. The conjunctival injection score was higher in the bimatoprost group than in the LTFC group at 12 weeks (P=0.0091). There were no statistically significant differences between the two drugs in relation to AD score, tear film break-up time, heart rate, and blood pressure.Conclusion: Bimatoprost and LTFC exhibited similar efficacy for reduction of IOP. Safety results indicated that only the conjunctival injection score at 12 weeks was higher in the bimatoprost group compared with the LTFC group.Keywords: bimatoprost, latanoprost-timolol fixed combination, switching, prostaglandin analogs, open-angle glaucomaMaruyama YIkeda YMori KUeno MYoshikawa HKinoshita SDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2015, Iss default, Pp 1429-1436 (2015)
institution DOAJ
collection DOAJ
language EN
topic Ophthalmology
RE1-994
spellingShingle Ophthalmology
RE1-994
Maruyama Y
Ikeda Y
Mori K
Ueno M
Yoshikawa H
Kinoshita S
Comparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost
description Yuko Maruyama,1,2 Yoko Ikeda,1,3 Kazuhiko Mori,1 Morio Ueno,1 Haruna Yoshikawa,1 Shigeru Kinoshita41Department of Ophthalmology, Kyoto Prefectural University of Medicine, 2Fukuchiyama City Hospital, 3Oike-Ganka Ikeda Clinic, 4Department of Frontier Medical Science and Technology for Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, JapanBackground: The purpose of this study was to prospectively evaluate and compare intraocular pressure (IOP) reduction efficacy and safety between bimatoprost and latanoprost-timolol fixed combination (LTFC) in Japanese patients with open-angle glaucoma.Methods: In this prospective, randomized, non-masked study, after enrolling 70 eyes of 70 Japanese open-angle glaucoma patients who had used latanoprost monotherapy for more than 4 weeks, the subjects were randomly divided into a bimatoprost group or an LTFC group. Both groups were switched from latanoprost to bimatoprost or LTFC for 12 weeks. IOP, conjunctival injection score, corneal epitheliopathy score (area density classification; AD score), tear film break-up time, heart rate, and blood pressure were evaluated at 0, 4, and 12 weeks after switching. The paired t-test and Mann–Whitney U-test were used for the statistical analysis.Results: After 13 of the 70 patients dropped out, 57 were analyzed for IOP reduction and safety. There was a significant decrease in mean IOP at 4 weeks compared with week 0 in both groups (both P<0.0001). Comparisons between the two groups showed no statistically significant differences. The conjunctival injection score was higher in the bimatoprost group than in the LTFC group at 12 weeks (P=0.0091). There were no statistically significant differences between the two drugs in relation to AD score, tear film break-up time, heart rate, and blood pressure.Conclusion: Bimatoprost and LTFC exhibited similar efficacy for reduction of IOP. Safety results indicated that only the conjunctival injection score at 12 weeks was higher in the bimatoprost group compared with the LTFC group.Keywords: bimatoprost, latanoprost-timolol fixed combination, switching, prostaglandin analogs, open-angle glaucoma
format article
author Maruyama Y
Ikeda Y
Mori K
Ueno M
Yoshikawa H
Kinoshita S
author_facet Maruyama Y
Ikeda Y
Mori K
Ueno M
Yoshikawa H
Kinoshita S
author_sort Maruyama Y
title Comparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost
title_short Comparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost
title_full Comparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost
title_fullStr Comparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost
title_full_unstemmed Comparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost
title_sort comparison between bimatoprost and latanoprost-timolol fixed combination for efficacy and safety after switching patients from latanoprost
publisher Dove Medical Press
publishDate 2015
url https://doaj.org/article/d452488e152e4ec48175c63534bdee96
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