Advances in therapy · 2016
Effects of Brinzolamide, a Topical Carbonic Anhydrase Inhibitor, on Corneal Endothelial Cells.
Клиническое исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Nakano Tadashi, Inoue Rishu, Kimura Tairo, Suzumura Hirotaka, Tanino Tomihiko, Yamazaki Yoshio, Yoshikawa Keiji, Tatemichi Masayuki
Аннотация
INTRODUCTION: This clinical study aimed to investigate the effect of brinzolamide, a topical carbonic anhydrase inhibitor, on corneal endothelial cells (CECs) in patients with glaucoma using a follow-up clinical study design.
METHODS: Patients with primary open-angle glaucoma or ocular hypertension were administrated an ophthalmic solution of either latanoprost alone (LT) as a control (n = 18) or latanoprost plus brinzolamide (LT + BR; n = 16). CECs were examined at baseline and at 4, 12, 24, and 48 weeks in 18 and 16 eyes of the LT and LT + BR groups, respectively, using a non-contact specular microscope. CECs were evaluated by parameters, including cell density (CD), coefficient of variation (CV) in cell size, and percentage hexagonality (Hex).
RESULTS: Compared with the baseline intraocular pressure (IOP), the mean IOP in the LT group was significantly reduced at 12 and 24 weeks, whereas that in the LT + BR group was significantly reduced at all time points (P < 0.01). The mean CD, CV, and Hex at baseline were not significantly different between the two groups. No significant time-course changes in CD, CV, or Hex were observed in either group. At 48 weeks, there was no significant difference in the mean CD, CV, or Hex between the two groups.
CONCLUSION: Patients treated with LT + BR showed significant IOP reduction. However, the use of brinzolamide in addition to latanoprost had no influence on CECs during the one-year follow-up period.
METHODS: Patients with primary open-angle glaucoma or ocular hypertension were administrated an ophthalmic solution of either latanoprost alone (LT) as a control (n = 18) or latanoprost plus brinzolamide (LT + BR; n = 16). CECs were examined at baseline and at 4, 12, 24, and 48 weeks in 18 and 16 eyes of the LT and LT + BR groups, respectively, using a non-contact specular microscope. CECs were evaluated by parameters, including cell density (CD), coefficient of variation (CV) in cell size, and percentage hexagonality (Hex).
RESULTS: Compared with the baseline intraocular pressure (IOP), the mean IOP in the LT group was significantly reduced at 12 and 24 weeks, whereas that in the LT + BR group was significantly reduced at all time points (P < 0.01). The mean CD, CV, and Hex at baseline were not significantly different between the two groups. No significant time-course changes in CD, CV, or Hex were observed in either group. At 48 weeks, there was no significant difference in the mean CD, CV, or Hex between the two groups.
CONCLUSION: Patients treated with LT + BR showed significant IOP reduction. However, the use of brinzolamide in addition to latanoprost had no influence on CECs during the one-year follow-up period.