| The clinical impact of 2 different strategies for initiating therapy in patients with ocular hypertension. | |
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MedLine Citation:
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PMID: 21191272 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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PURPOSE: To assess the impact of 2 strategies for initiating therapy in ocular hypertension (OH) on drug use, intraocular pressure (IOP), and blindness caused by glaucoma. METHODS: Using a simulation model, initiating therapy with timolol (strategy 1) and with latanoprost (strategy 2) was simulated for a hypothetic cohort of ocular hypertension patients with an initial IOP distribution (data of 1000 patients). Adjustment of therapy within 15 months and a subsequent lifelong follow-up, with an IOP dependent conversion to glaucoma, were modeled. The IOP lowering effect of medication (based on a meta-analysis) was applied by Monte Carlo simulation. Therapy could be maintained or changed, depending on the achieved IOP and side effects. Four drugs (latanoprost, timolol, brimonidine, dorzolamide) were used as monotherapy or in combination. Glaucoma conversion rate was based on literature. RESULTS: Treatment goal was achieved in both strategies in 90% by monotherapy. This was 60% for patients with initial IOP's of 30 mm Hg. The originally prescribed medication was maintained in 66% (1) and in 77% (2). IOP decreased with approximately 34%, from 25.4 mm Hg (mean) to 16.7 mm Hg (1) and to 16.5 mm Hg (2) Blindness per person within 18.7 years of life expectancy was 0.0923 years (1) and 0.0870 years (2), which corresponds to approximately 1 month. The difference between strategies was 2 days spent in blindness per patient. CONCLUSIONS: The difference in clinical effects of the strategies is small. This is largely owing to the key concept of a target pressure, which underlies both strategies. |
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Authors:
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Andrea Peeters; Carroll A B Webers; Martin H Prins; Fred Hendrikse; Jan S A G Schouten |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of glaucoma Volume: 20 ISSN: 1536-481X ISO Abbreviation: J. Glaucoma Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2010-12-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9300903 Medline TA: J Glaucoma Country: United States |
Other Details:
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Languages: eng Pagination: 30-6 Citation Subset: IM |
Affiliation:
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Department of Ophthalmology, Maastricht University Medical Centre, Maastricht, The Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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