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Dorzolamide

Generic Name
Dorzolamide
Brand Names
Cosopt, Trusopt
Drug Type
Small Molecule
Chemical Formula
C10H16N2O4S3
CAS Number
120279-96-1
Unique Ingredient Identifier
9JDX055TW1
Background

Dorzolamide is a non-bacteriostatic sulfonamide derivative and topical carbonic anhydrase (CA) inhibitor that treats elevated intraocular pressure (IOP) associated with open-angle glaucoma and ocular hypertension. It works by blocking an enzyme in the ciliary process that regulates ion balance and fluid pressure in the eyes. Unlike oral CA inhibitors, dorzolamide has negligible effects of acid-base or electrolyte disturbances and other systemic adverse effects. First marketed in 1995, dorzolamide is available in ophthalmic solutions as monotherapy marketed as Trusopt or in combination with timolol as Cosopt PF.

Indication

Dorzolamide is indicated for the management of elevated intraocular pressure in patients with ocular hypertension or open-angle glaucoma. It can also be used in combination with timolol for the same indication in patients who are insufficiently responsive to ophthalmic beta-blockers.

Its pre-operative use was also investigated to prevent elevated intraocular pressure after neodynium yttrium aluminum garnet laser posterior capsulotomy.

Associated Conditions
Increased Intra Ocular Pressure (IOP), Ocular Hypertension

Equivalence Study of Dorzolamide 2% Eye Drops Solution

Phase 3
Completed
Conditions
Open Angle Glaucoma
Ocular Hypertension
Interventions
First Posted Date
2009-04-09
Last Posted Date
2010-02-12
Lead Sponsor
Alfred E. Tiefenbacher (GmbH & Co. KG)
Target Recruit Count
32
Registration Number
NCT00878917
Locations
🇩🇪

Department of Opthalmology, Johannes-Gutenberg University Mainz, Mainz, Rheinland-Pfalz, Germany

Effect of Cosopt Versus Combigan on Retinal Vascular Autoregulation in Primary Open Angle Glaucoma (POAG)

Not Applicable
Completed
Conditions
Glaucoma
Interventions
First Posted Date
2009-01-19
Last Posted Date
2017-04-04
Lead Sponsor
Massachusetts Eye and Ear Infirmary
Target Recruit Count
21
Registration Number
NCT00824824
Locations
🇺🇸

Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, United States

1 Year Study Trav/Brinz QD Fixed Combination Versus COSOPT

Phase 3
Terminated
Conditions
Glaucoma
Ocular Hypertension
Interventions
First Posted Date
2008-10-07
Last Posted Date
2012-07-19
Lead Sponsor
Alcon Research
Target Recruit Count
6
Registration Number
NCT00767481

Safety and Efficacy of Brinzolamide Dosed TID With Dorzolamide Dosed TID in Reducing Intraocular Pressure in Patients With Open Angle Glaucoma or Ocular Hypertension

Phase 4
Completed
Conditions
Glaucoma
Ocular Hypertension
Interventions
First Posted Date
2008-09-30
Last Posted Date
2012-07-18
Lead Sponsor
Alcon Research
Target Recruit Count
200
Registration Number
NCT00761995
Locations
🇮🇳

Alcon Laboratories, India, Bangalore, India

Treatment of Cystoid Macular Edema in Patients With Retinal Degeneration

Phase 4
Completed
Conditions
Retinal Degenerations
Interventions
First Posted Date
2008-07-16
Last Posted Date
2021-10-29
Lead Sponsor
University of Illinois at Chicago
Target Recruit Count
44
Registration Number
NCT00716586
Locations
🇺🇸

University of Illinois Medical Center, Chicago, Illinois, United States

Comparison of Brimonidine Purite, Dorzolamide, and Brinzolamide as Adjunctive Therapy to Prostaglandin Analogs

Phase 4
Completed
Conditions
Primary Open Angle Glaucoma
Ocular Hypertension
Interventions
First Posted Date
2008-05-08
Last Posted Date
2008-05-08
Lead Sponsor
Northwestern Ophthalmic Institute S.C.
Target Recruit Count
120
Registration Number
NCT00675207
Locations
🇺🇸

Northwestern Ophthalmic Institute S.C., Glenview, Illinois, United States

Pharmacological Intervention in Diabetic Retinopathy

Not Applicable
Completed
Conditions
Diabetic Retinopathy
Interventions
Drug: Latanoprost, diclofenac and dorzolamide (eyedrops)
First Posted Date
2008-02-20
Last Posted Date
2010-12-29
Lead Sponsor
University of Aarhus
Target Recruit Count
87
Registration Number
NCT00619034
Locations
🇩🇰

Department of Ophthalmology, Aarhus, Denmark

Circadian Rhythms of Aqueous Humor Dynamics in Humans

Phase 2
Completed
Conditions
Glaucoma
Interventions
First Posted Date
2007-12-13
Last Posted Date
2023-10-24
Lead Sponsor
University of Nebraska
Target Recruit Count
30
Registration Number
NCT00572936
Locations
🇺🇸

University of Nebraska Medical Center, Department of Ophthalmolgy and Visual Sciences, Omaha, Nebraska, United States

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