Published Studies Related to Alphagan (Brimonidine)
Adherence with brimonidine in patients with glaucoma aware and not aware of electronic monitoring. [2011.06]
PURPOSE: To assess the impact of open versus masked adherence monitoring on adherence with topical brimonidine using two different dosing schedules... CONCLUSION: The study findings suggest that adherence measurements are not significantly altered by open adherence monitoring, which may simplify future adherence studies. Adherence with brimonidine eye drops was insufficient for most patients. These results demonstrate the necessity to develop new strategies to improve compliance in glaucoma therapy. (c) 2010 The Authors. Acta Ophthalmologica (c) 2010 Acta Ophthalmologica Scandinavica Foundation.
A randomized trial of brimonidine versus timolol in preserving visual function: results from the Low-Pressure Glaucoma Treatment Study. [2011.04]
PURPOSE: To compare the alpha2-adrenergic agonist brimonidine tartrate 0.2% to the beta-adrenergic antagonist timolol maleate 0.5% in preserving visual function in low-pressure glaucoma. DESIGN: Randomized, double-masked, multicenter clinical trial... CONCLUSION: Low-pressure glaucoma patients treated with brimonidine 0.2% who do not develop ocular allergy are less likely to have field progression than patients treated with timolol 0.5%. Copyright (c) 2011 Elsevier Inc. All rights reserved.
Effect of a fixed brimonidine-timolol combination on intraocular pressure after phacoemulsification. [2011.02]
PURPOSE: To evaluate the effect of a fixed combination of brimonidine-timolol on intraocular pressure (IOP) after phacoemulsification cataract surgery. SETTING: Department of Ophthalmology, Patras University Hospital, Patras, Greece. DESIGN: Prospective randomized comparative case series... CONCLUSION: The fixed brimonidine-timolol combination effectively reduced IOP 6, 12, and 24 hours after phacoemulsification cataract surgery. Copyright (c) 2011 ASCRS and ESCRS. Published by Elsevier Inc. All rights reserved.
Effect of prophylactic topical brimonidine (0.15%) administration on the development of subconjunctival hemorrhage after intravitreal injection. [2011.02]
PURPOSE: Brimonidine (0.15%), which is used to lower intraocular pressure, is an alpha-2-adrenergic agonist that has vasoconstrictive effects. This study examined whether the administration of brimonidine (0.15%) before intravitreal injection prevents subconjunctival hemorrhage... CONCLUSION: The administration of 0.15% brimonidine before an intravitreal injection decreased the incidence, severity, and size of subconjunctival hemorrhage.
Control of intraocular pressure and fluctuation with fixed-combination brimonidine-timolol versus brimonidine or timolol monotherapy. [2011.01]
PURPOSE: To evaluate control of intraocular pressure (IOP) and IOP fluctuation in patients with ocular hypertension or glaucoma treated with fixed-combination brimonidine-timolol compared with brimonidine or timolol monotherapy. DESIGN: Post hoc analysis of data from 2 identical, 12-month, randomized, double-masked, multicenter trials... CONCLUSIONS: Patients treated with fixed-combination brimonidine-timolol were more likely than patients treated with either brimonidine or timolol alone to achieve a combination of low mean IOP and low short-term (daily) or long-term (intervisit) IOP fluctuation. Copyright (c) 2011 Elsevier Inc. All rights reserved.
Clinical Trials Related to Alphagan (Brimonidine)
Systemic Bioavailability Study Of Col-118 Administered Topically as a 0.18 % Facial Gel And Brimonidine Ophthalmic Solution 0.2% [Completed]
Effect of Alphagan and Xalatan Eye Drops on Corneal Temperature [Completed]
It is already known that the local treatment with Alphagan eye drops (a drug commonly used
by glaucoma patients) reduces ocular blood flow. In-vitro studies suggest that the
vasoconstrictive effect of Alphagan is more pronounced when this drug is combined with a
prostaglandin analogue (eg. Xalatan eye drops). The investigators also question whether
this effect is more pronounced in subjects suffering from a primary vascular dysregulation
(PVD). To test for the effect of these drugs on PVD and non-PVD subjects the investigators
will take measurements of corneal temperature as surrogate for ocular blood flow.
Effect of Topical Brimonidine on Post Cataract Surgery Corneal Edema [Not yet recruiting]
Most patients undergoing cataract surgery suffer from corneal edema after the surgery.
Brimonidine drops are a well known and safe Anti-glaucoma medication. the investigators have
made several clinical observations that patients receiving Brimonidine drops had a faster
resolution of their corneal edema even if they had normal intra-ocular pressure.
The investigators believe that administering topical Brimonidine to patients with
significant post operative corneal edema will hasten the resolution of their corneal edema.
Pharmacokinetics of the Brimonidine Tartrate Posterior Segment Delivery System in Patients Undergoing Pars Plana Vitrectomy [Completed]
This study will evaluate the pharmacokinetics of brimonidine following a single intravitreal
administration of the 200 ug or 400 ug Brimonidine Tartrate Posterior Segment Drug Delivery
System in patients 2, 4 or 8 weeks prior to undergoing a pars plana vitrectomy.
Safety and Efficacy of Brimonidine Intravitreal Implant in Patients With Geographic Atrophy Due to Age-related Macular Degeneration (AMD) [Completed]
Stage 1 is a patient-masked, dose-escalation, safety evaluation of brimonidine intravitreal
implant. Patients will receive implant in one eye and "sham" treatment (meaning no
treatment) in the fellow eye. Stage 2 will begin after 1 month of safety has been evaluated
for Stage 1. Stage 2 is a randomized, double-masked, dose-response, sham-controlled
evaluation of the safety and efficacy of brimonidine intravitreal implant in patients with
geographic atrophy from age-related macular degeneration. Patients will be followed for up
to 2 years.
Reports of Suspected Alphagan (Brimonidine) Side Effects
Drug Hypersensitivity (6),
Ocular Hyperaemia (6),
Eye Pain (5),
Eyelid Oedema (3),
Eye Irritation (3),
DRY Mouth (3),
Eye Pruritus (3), more >>