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Toyoaki Tsumura,1 Keiji Yoshikawa,2 Tairo Kimura,3 Hirotaka Suzumura,4 Miwako Kawashima,5 Mami Nanno,6 Kiyotaka Ishijima,7 Ryuji Takeda8 1Fussa Hospital, Tokyo, Japan; 2Yoshikawa Eye Clinic, Tokyo, Japan; 3Ueno Eye Clinic, Tokyo, Japan; 4Suzumura Eye Clinic, Tokyo, Japan; 5Nakano General Hospital, Tokyo, Japan; 6Kagurazaka Minamino Eye Clinic, Tokyo, Japan; 7Irumagawa Hospital, Saitama, Japan; 8Department of Biological Chemistry, Faculty of Agriculture, Kinki University, Nara, Japan Background: To evaluate the efficacy and safety of newly formulated brimonidine (0.1% brimonidine tartrate preserved with sodium chlorite: brimonidine) as add-on therapy in on-treatment Japanese normal-tension glaucoma (NTG) patients.Methods: Brimonidine was added to on-treatment NTG patients with intraocular pressures (IOP) of between 13 mmHg and 16 mmHg after three consecutive IOP measurements. The time courses of IOP, conjunctival hyperemia, superficial punctate keratitis, and adverse events were examined at 4, 8, and 12 weeks after brimonidine instillation.Results: Though 75 of 83 patients (31 males and 52 females; mean age: 63.4±11.6 years) completed the study, six patients discontinued because of side effects and two patients withdrew. The mean IOP after brimonidine addition at week 4 (12.6±1.8 mmHg, P |
