Efficacy and safety of a switch to latanoprost 0.005% + timolol maleate 0.5% fixed combination eyedrops from latanoprost 0.005% monotherapy
Kenji Inoue,1 Takayuki Fujimoto,1 Risako Higa,1 Ryo Moriyama,1 Hiromi Kohmoto,1 Haruka Nagumo,1 Masato Wakakura,1 Goji Tomita21Inouye Eye Hospital, Chiyoda-ku, Tokyo, 2Second Department of Ophthalmology, Toho University School of Medicine, Meguro-ku, Tokyo, JapanBackground: The purpose of this prosp...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2012
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| Acceso en línea: | https://doaj.org/article/d7396394d4dd4da983c6459d4d346c67 |
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| Sumario: | Kenji Inoue,1 Takayuki Fujimoto,1 Risako Higa,1 Ryo Moriyama,1 Hiromi Kohmoto,1 Haruka Nagumo,1 Masato Wakakura,1 Goji Tomita21Inouye Eye Hospital, Chiyoda-ku, Tokyo, 2Second Department of Ophthalmology, Toho University School of Medicine, Meguro-ku, Tokyo, JapanBackground: The purpose of this prospective study was to investigate the intraocular pressure (IOP)-lowering effect and safety of latanoprost 0.005% + timolol maleate 0.5% fixed combination eyedrops, now available in Japan.Materials and methods: Thirty-one patients diagnosed with primary open-angle glaucoma who had an insufficient intraocular pressure (IOP) decrease with latanoprost 0.005% eyedrop monotherapy were enrolled. The latanoprost 0.005% eyedrops were discontinued, and administration of latanoprost 0.005%/timolol maleate 0.5% fixed combination eyedrops was initiated without any washout period. IOP was compared before and at months 1, 3, and 6 after the switch. The incidence of adverse reactions was investigated at every follow-up visit.Results: Mean IOP was 17.3 ± 2.7 mmHg before the switch, 15.5 ± 2.6 mmHg one month after the switch, 14.9 ± 2.4 mmHg 3 months after the switch, and 15.1 ± 2.2 mmHg 6 months after the switch, indicating that IOP decreased significantly after the change. The IOP reduction rate was 9.9% ± 11.5% after one month, 13.1% ± 10.9% after 3 months, and 11.2% ± 11.8% after 6 months. Two patients (6.5%) discontinued therapy due to adverse reactions (one case each of itchiness and bradycardia).Conclusion: When latanoprost 0.005% eyedrop monotherapy was replaced by latanoprost 0.005% + timolol maleate 0.5% fixed combination eyedrops, IOP decreased significantly without increasing the frequency of administration, and safety was satisfactory.Keywords: latanoprost 0.005%, timolol maleate 0.5%, fixed combination, eyedrops, intraocular pressure, switch |
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