[Effect of nipradilol on aqueous flow in glaucoma patients treated with timolol].
The effect of nipradilol solution (KT-210) on aqueous flow was evaluated using fluorophotometry in 10 patients (6 primary open-angle glaucoma and 4 ocular hypertension) treated with timolol for more than one month. A single dose of 0.5% timolol was instilled into both eyes at 8 AM, and 0.25% KT-210 or placebo was instilled into both right and left eye at 11 AM; the treated eye was chosen randomly. Aqueous flow was measured every hour from 9 AM to 3 PM. There was no significant difference in pretreatment aqueous flow between the two eyes; 1.98 +/- 0.53 microliters/min in the KT-210 treated eyes, and 1.98 +/- 0.76 microliters/min in the placebo treated eyes. The flow measured 1 to 4 hours after KT-210 instillation was 1.66 +/- 0.69 microliters/min, 2.23 +/- 1.02 microliters/min, 2.20 +/- 0.67 microliters/min, and 1.68 +/- 0.64 microliters/min, respectively. This flow did not differ significantly from the flow in the placebo treated eyes (1.83 +/- 0.86 microliters/min, 1.79 +/- 0.69 microliters/min, 2.26 +/- 0.58 microliters/min, and 1.84 +/- 0.32 microliters/min).
Nagataki
S
S
Department of Ophthalmology, Faculty of Medicine, University of Ryukyu, Japan.
Koseki
Y
Y
Yamakawa
R
R
Koibuchi
H
H
D000317:Adrenergic alpha-Antagonists / Q000494:pharmacology*; D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D001082:Aqueous Humor / Q000187:drug effects* / Q000502:physiology; D005260:Female; D005901:Glaucoma / Q000188:drug therapy* / Q000503:physiopathology*; D005902:Glaucoma, Open-Angle / Q000188:drug therapy / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011412:Propanolamines / Q000494:pharmacology*; D013999:Timolol / Q000627:therapeutic use*
D000317:Adrenergic alpha-Antagonists; D000319:Adrenergic beta-Antagonists; D011412:Propanolamines; D013999:Timolol; C036089:nipradilol