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EFFICACY/TOLERABILITY
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Acknowledgments 12. Fechtner RD, McCarroll KA, Lines CR, Adamsons IA. Efficacy of
the dorzolamide/timolol fixed combination versus latanoprost in the
This study was supported by Merck Frosst Canada Ltd. The
treatment of ocular hypertension or glaucoma: combined analysis of
authors would like to acknowledge the study investigators: pooled data from two large randomized observer and patient-masked
Jeffrey Chambers, David Neima, Carl Peters, Roberto LG studies. J Ocul Pharmacol Ther. 2005;21(3):242–249.
13. Francis BA, Du LT, Berke S, Ehrenhaus M, Minckler DS. Comparing
Piemontesi, Lindsay Ong-Tone, Adian Long, George Colev, the fixed combination dorzolamide-timolol (COSOPT) to concomitant
Cindy Hutnik, Fahim Ibrahim, Thomas Klein, Derek P-K administration of 2% dorzolamide (trusopt) and 0.5% timolol – a
randomized controlled trial and a replacement study. COSOPT Study
Lui, Girair Basmadijian, Rama R Behki, Serge Boucher,
Group. J Clin Pharm Ther. 2004;29(4):375–380.
François Demay, Stephen H Fichman, Clovis Eid, Robert 14. Gandolfi SA, Rossetti L, Cimino L, Mora P, Tardini M, Orzalesi N.
Scott. Replacing maximum-tolerated medications with latanoprost versus
adding latanoprost to maximum-tolerated medications: a two-center
Trial registration number: This study is registered at randomized prospective trial. J Glaucoma. 2003;12(4):347–353.
clintrial.gov: NCT # 000545064. 15. Henderer JD, Wilson RP, Moster MR, et al. Timolol/dorzolamide
combination therapy as initial treatment for intraocular pressure over
30 mmHg. J Glaucoma. 2005;14(4):267–270.
Disclosures 16. Hutzelmann J, Owens S, Shedden A, Adamson I, Vargas E. Comparison
of the safety and efficacy of the fixed combination of dorzolamide/
C Hutnik, D Neima, F Ibrahim, and R Scott have no timolol and the concomitant administration of dorzolamide and timolol:
competing financial interests to declare. N Bastien and a clinical equivalence study. International Clinical Equivalence Study
S Foucart are employees of Merck Frosst Canada Ltd; Group. Br J Ophthalmol. 1998;82(11):1249–1253.
17. Konstas AG, Kozobolis VP, Tsironi S, Makridaki I, Efremova R,
J Vaillancourt, D Haine, and J Sampalis are employees of Stewart WC. Comparison of the 24-hour intraocular pressure-lowering
JSS Medical Research Inc (contract research organization); effects of latanoprost and dorzolamide/timolol fixed combination
after 2 and 6 months of treatment. Ophthalmology. 2008;115(1):
all study investigators received grants related to the conduct
99–103.
of the study. 18. Rolle T, Tofani F, Brogliatti B, Grignolo FM. The effects of dorzol-
amide 2% and dorzolamide/timolol fixed combination on retinal and
optic nerve head blood flow in primary open-angle glaucoma patients.
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