Efficacy and tolerability of brinzolamide/brimonidine suspension and prostaglandin analogs in patients previously treated with dorzolamide/timolol solution and prostaglandin analogs
Jonathan S Lo,1 Pierre M Pang,2 Samuel C Lo3 1John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, 2MD-Pacific Eye Surgery Center, Honolulu, Hawaii, 3MD-Laser and Eye Surgery Center, Honolulu, Hawaii, USA Objective: Fixed combination glaucoma medication is increasingly used in...
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| Autores principales: | , , |
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2016
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| Acceso en línea: | https://doaj.org/article/50197b649be54ea58a28beb929063288 |
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| Sumario: | Jonathan S Lo,1 Pierre M Pang,2 Samuel C Lo3 1John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, 2MD-Pacific Eye Surgery Center, Honolulu, Hawaii, 3MD-Laser and Eye Surgery Center, Honolulu, Hawaii, USA Objective: Fixed combination glaucoma medication is increasingly used in glaucoma treatment. There is a lack of comparative study in the literature of non-beta blocker combination agents used adjunctively with a glaucoma agent in a different class. The objective of this study is to evaluate the effect of intraocular pressure (IOP) control and tolerability of non-beta blocker combination suspension with prostaglandin analogs (PGA) in patients with open angle glaucoma who were previously treated with beta blocker combination solution with PGA. Design: Open-label retrospective review of patient records. Patients and methods: This study looked at patients with open angle glaucoma taking dorzolamide/timolol solution with PGA that were switched to brinzolamide/brimonidine combination suspension with PGA. This study reviewed the charts of all patients who were at least 21 years old with a clinical diagnosis of open-angle glaucoma or ocular hypertension in at least one eye. Patients needed to have been treated with concomitant use of PGA and dorzolamide/timolol solution for at least one month. Patients using dorzolamide/timolol solution plus PGA with medication related ocular irritation were switched to brinzolamide/brimonidine suspension with the same PGA. Best-corrected visual acuity, ocular hyperemia grading, slit lamp biomicroscopy and Goldmann applanation tonometry measurements, and patient medication preferences were assessed at baseline, 1 month and 3 months. Results: Forty eyes with open angle glaucoma. The mean age of the patients was 68 and 60% were females. The IOP before the switch was 17.2 and 16.5 (P=0.70) following the switch at 3 months. We found a decreasing trend of ocular hyperemia (P=0.064) and strong preference (P=0.011) for non-beta blocker combination suspension but no difference of visual acuity and slit lamp findings. Conclusion: Brinzolamide/brimonidine combination suspension when used adjunctively with PGA is equally effective. Patients in this study reported greatly reduced ocular redness and shorter duration of stinging with non-beta blocker combination suspension. Their preference of it over dorzolamide/timolol combination solution makes it a viable treatment option, particularly for the aging glaucoma patient with comorbidities that restrict the beta blocker use. Keywords: Open angle glaucoma, brinzolamide, brimonidine, dorzolamide, timolol, prostaglandin analogs, side effects |
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