The Effect of Topical Treatment With Combigan Compared to Timolol and Brimonidine on Pupil Diameter
试验速览
- 阶段
- 2 期
- 发起方
- 入组人数
- 25
- 试验地点
- 1
- 主要终点
- Pupil diameter
研究概览
简要总结
In this study we will explore the combined effect of Brimonidine and Timolol 0.5% (Combigan) eye drops on pupil dilation. It is a well studied phenoma that Brimonidine and a miotic effect on the pupil, however the combined effect of alpha agonist and beta blocker has not been studied.
详细描述
In this study we will explore the combined effect of Brimonidine and Timolol 0.5% (Combigan) eye drops on pupil dilation. It is a well studied phenoma that Brimonidine and a miotic effect on the pupil, however the combined effect of alpha agonist and beta blocker has not been studied.
The study subjects will be examined twice, two weeks apart. On the first exam the subject will receive Combigan eye drop to the right eye and a Brimonidine drop to the left eye. The effect on pupil size before and 30 minutes, 60 minutes, 240 minutes, and 300 minutes after instillation of eyedrops. On the second exam the subject will receive Timolol (0.5%) eye drop to the right eye and a Brimonidine drop to the left eye. The effect on pupil size before and 30 minutes, 60 minutes, 240 minutes, and 300 minutes after instillation of eyedrops.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 30 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Healthy adults subjects with no ocular pathology
- •Non pregnant women
- •Normal pupil response
排除标准
- •Chronic topical treatment
- •Systemic medication affecting autonomic nerve system
- •History of intra-ocular surgery
- •Irregular pupil
- •History of ocular neurological or severe cardio-vascular disease
研究组 & 干预措施
Combination of Brimonidine and Timolol
On the first exam the subject will receive Combigan (Combination of Brimonidine and Timolol) eye drop to the right eye and a Brimonidine drop to the left eye. The effect on pupil size before and 30 minutes, 60 minutes, 240 minutes, and 300 minutes after instillation of eyedrops. On the second exam the subject will receive Timolol (0.5%) eye drop to the right eye and a Brimonidine drop to the left eye. The effect on pupil size before and 30 minutes, 60 minutes, 240 minutes, and 300 minutes after instillation of eyedrops.
干预措施: Combigan (Combination of Brimonidine and Timolol) (Drug)
Combination of Brimonidine and Timolol
On the first exam the subject will receive Combigan (Combination of Brimonidine and Timolol) eye drop to the right eye and a Brimonidine drop to the left eye. The effect on pupil size before and 30 minutes, 60 minutes, 240 minutes, and 300 minutes after instillation of eyedrops. On the second exam the subject will receive Timolol (0.5%) eye drop to the right eye and a Brimonidine drop to the left eye. The effect on pupil size before and 30 minutes, 60 minutes, 240 minutes, and 300 minutes after instillation of eyedrops.
干预措施: Timolol (Drug)
结局指标
主要结局
Pupil diameter
时间窗: two weeks
次要结局
未报告次要终点
研究者
Orna Geyer
Professor
Carmel Medical Center