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Safety and effectiveness after long-term use of fixed combination of latanoprost and timolol maleate ophthalmic solution(Xalacom®). Results of final analysis of specified drug use investigation Naomi Sugimoto 1 , Mika Morimasa 2 , Aya Komatsubara 3 , Shinichi Hotta 3 , Yutaka Endo 4 1Medical Affairs, Global Established Pharma Business, Pfizer Japan Inc. 2Post Marketing Surveillance, Development Japan, Pfizer Japan Inc. 3Clinical Informatics & Innovation, Development Japan, Pfizer Japan Inc. 4Clinical Statistics, Development Japan, Pfizer Japan Inc. pp.357-369
Published Date 2017/3/15
DOI https://doi.org/10.11477/mf.1410212192
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Abstract Purpose: To report the safety and effectiveness after long-term use of fixed combination of latanoprost(50 μg/ml)and timolol(5 mg/ml)ophthalmic solution(Xalacom®)as a final analysis results.

Cases and Method: This specified drug use investigation was conducted in Japanese patients with glaucoma or ocular hypertension receiving Xalacom® and observed for at least 52 weeks. The safety and the effectiveness were evaluated by analysis of adverse drug reactions, clinical response rate, and intraocular pressure.

Results: Total 618 patients collected from 105 sites during the 43 months of investigation period were analyzed. The series comprised 289 males and 329 females. The average age was 67.2±12.8 years. 593 patients(96.0%)were diagnosed glaucoma, and most of them were primary open-angle glaucoma(278 patients)or normal-tension glaucoma(244 patients). 514 patients(83.2%)were pre-treated by other ophthalmic solutions for glaucoma or ocular hypertension. Average intraocular pressure before Xalacom® treatment was 17.04±4.97 mmHg. Duration of treatment was 52 weeks or less in 156 patients, between 52 and 104 weeks in 141 patients, and over 104 weeks in 321 patients. Adverse drug reactions occurred in 73 patients(11.8%), including eye irritation(22 patients), punctate keratitis(10 patients), growth of eyelashes(9 patients), and corneal disorder(7 patients). The treatment was effective in 82.8% of total patients when evaluated by attending physicians. Mean intraocular pressure decreased significantly (p<0.01 at 4 weeks after the initiation of the treatment by Xalacom®).

Conclusion: These results showed the safety and the effectiveness of Xalacom® in the long-term use.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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