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Bimatoprost ophthalmic solution 0.03% lowered intraocular pressure of normal-tension glaucoma with minimal adverse events

Authors Tsumura T, Yoshikawa K, Suzumura H, Kimura T, Sasaki, Kimura, Takeda R

Received 2 August 2012

Accepted for publication 28 August 2012

Published 21 September 2012 Volume 2012:6 Pages 1547—1552

DOI https://doi.org/10.2147/OPTH.S36628

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3


Toyoaki Tsumura,1 Keiji Yoshikawa,2 Hirotaka Suzumura,3 Tairo Kimura,4 Satoshi Sasaki,5 Itaru Kimura,6 Ryuji Takeda7

1Department of Ophthalmology, Fussa Hospital, Fussa, Tokyo, Japan; 2Yoshikawa Eye Clinic, Machida, Tokyo, Japan; 3Department of Ophthalmology, Nakano General Hospital, Nakano, Tokyo, Japan; 4Ueno Eye Clinic, Ueno, Tokyo, Japan; 5Sasaki Eye Clinic, Ueno, Tokyo, Japan; 6Department of Ophthalmology, Juntendo University Urayasu Hospital, Urayasu, Chiba, Japan; 7Department of Biological Chemistry, Faculty of Agriculture, Kinki University, Nara, Nara, Japan


Purpose: The aim of this study was to evaluate the efficacy and safety of bimatoprost ophthalmic solution 0.03% (bimatoprost) in Japanese normal-tension glaucoma (NTG) patients with an intraocular pressure (IOP) of 18 mmHg or less.
Methods: Bimatoprost was instilled into the unilateral conjunctival sac of Japanese NTG patients with a baseline IOP of 18 mmHg or less. The time courses of IOP, conjunctival hyperemia, superficial punctate keratitis, and adverse events were examined at 2, 4, 8, and 12 weeks post bimatoprost instillation.
Results: Thirty-two of the 38 enrolled NTG patients (mean age, 64.1 ± 12.6 years; 19 males and 19 females) completed the study, with six patients unable to complete the study (two patients discontinued because of side effects and four patients withdrew). The levels of IOP in the treated eyes were significantly reduced (P < 0.0001) from the baseline IOP levels. No significant change in IOP was observed in the fellow eyes. There were significant increases in conjunctival hyperemia. No significant superficial punctate keratitis scores were noted between the baseline and each point examined. Eyelash disorder, eyelid pigmentation, and deepening of the upper eyelid sulcus were observed in 28, six, and three eyes, respectively.
Conclusion: Bimatoprost effectively lowered the IOP. It was well tolerated in Japanese NTG patients, with few patients having to discontinue because of adverse events.

Keywords: intraocular pressure reduction, superficial punctate keratitis, conjunctival hyperemia, antiglaucoma drugs

Corrigendum 1 for this paper has been published (January, 2013)

Corrigendum 2 for this paper has been published (July, 2013)

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