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Brinzolamide/Timolol

In Open-Angle Glaucoma and Ocular Hypertension

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Abstract

▲ Brinzolamide 1%/timolol 0.5% fixed combination (brinzolamide/timolol) is a twice-daily eyedrops suspension comprising the carbonic anhydrase-II inhibitor brinzolamide and the β-adrenergic receptor antagonist timolol.

▲ Brinzolamide/timolol produced clinically relevant reductions in mean intraocular pressure (IOP) from baseline and was more effective than brinzolamide or timolol monotherapy in lowering IOP in a 6-month, randomized, phase III trial in patients with open-angle glaucoma or ocular hypertension (n = 523). The proportion of patients achieving a mean IOP of <18 mmHg was significantly greater in recipients of brinzolamide/timolol than in recipients of brinzolamide or timolol monotherapy.

▲ The IOP-lowering efficacy of brinzolamide/timolol was maintained for up to 12 months, and was no less effective than dorzolamide 2%/timolol 0.5% solution (dorzolamide/timolol) in a randomized, phase III, noninferiority trial (n = 437).

▲ Brinzolamide/timolol was generally well tolerated and was associated with significantly lower ocular discomfort scores than dorzolamide/timolol. Moreover, a significantly greater number of patients expressed a preference for brinzolamide/timolol over dorzolamide/timolol. The main ocular adverse event was blurred vision, and was not considered to be a safety issue.

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Acknowledgements and Disclosures

This manuscript was reviewed by: G. Manni, Ophthalmology Department, University of Roma, Roma, Italy; F. Ziemssen, University Eye Hospital, Centre of Ophthalmology, Eberhard Karl University, Tuebingen, Germany

The preparation of this review was not supported by any external funding. During the peer review process, the manufacturer of the agent under review was offered an opportunity to comment on this article. Changes resulting from comments received were made on the basis of scientific and editorial merit.

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  1. Wolters Kluwer Health | Adis, 41 Centorian Drive, Private Bag 65901, Mairangi Bay, North Shore 0754, Auckland, New Zealand

    Jamie D. Croxtall & Lesley J. Scott

  2. Wolters Kluwer Health, Philadelphia, Pennsylvania, USA

    Jamie D. Croxtall & Lesley J. Scott

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  1. Jamie D. Croxtall
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  2. Lesley J. Scott
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Correspondence to Jamie D. Croxtall.

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Croxtall, J.D., Scott, L.J. Brinzolamide/Timolol. Drugs Aging 26, 437–446 (2009). https://doi.org/10.2165/00002512-200926050-00007

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