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Japanese

Efficacy of the brimonidine tartrate/brinzolamide combination ophthalmic drops Yusuke Yamada 1 , Naoto Tokuda 1 , Tatsuya Jujo 1 , Ayaka Tsukamoto 1 , Yasuhiro Toyoda 1 , Yasushi Kitaoka 1 , Hitoshi Takagi 1 1Department of Ophthalmology, St. Marianna University School of Medicine pp.695-699
Published Date 2022/5/15
DOI https://doi.org/10.11477/mf.1410214392
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Abstract Purpose:We investigated the intraocular pressure(IOP)-lowering effect and side effects of brimonidine tartrate/brinzolamide combination ophthalmic drops(BMD/BZM)when used in combination with multiple medications for glaucoma treatment.

Methods:We divided the subjects into two groups:one in which brimonidine tartrate(BMD)and dorzolamide(DRZ)or brinzolamide(BZM)were changed to BMD/BZM in antiglaucoma eye drops used for primary open-angle glaucoma(broad sense)patients who were using two or more antiglaucoma eye drops in combination(switching group), and the other in which BMD or BZM and DRZ were changed to BMD/BZM(addition group);the patients were observed for 6 months.

Result:There were 21 eyes in the switch group and 15 eyes in the addition group. The IOP in the switching group was 12.9±1.9 mmHg before the change, but 12.6±1.7 mmHg 6 months after the change, with no significant difference. In the additional group, there was a significant reduction in the IOP from 17.0±2.9 mmHg before the change to 13.3±2.9 mmHg 6 months after the change. The reduction in IOP was 2.3% in the 15 eyes for which the combination of BZM and BMD was changed to BMD/BZM ophthalmic drops, and −5.5% in the 6 eyes for which the combination of DRZ and BMD was changed to BMD/BZM ophthalmic drops. The rate of IOP reduction in the 11 eyes for which BMD was changed to BMD/BZM was 18.6%, and the rate of IOP reduction in the 4 eyes for which BZM was switched to BMD/BZM was 22.9%. No serious side effects leading to a difficulty in continuing the eye drops in either group.

Conclusion:Switching from BMD or BZM to the BMD/BZM combination or from the BMD+BZM(DRZ)to the BMD/BZM combination ophthalmic drops is effective in terms of IOP reduction.


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