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A Study to Evaluate the Effectiveness of Cosopt® as First Line Therapy (MK-0507A-153)

Merck Sharp & Dohme (MSD) logo

Merck Sharp & Dohme (MSD)

Status and phase

Completed
Phase 3

Conditions

Glaucoma
Ocular Hypertension

Treatments

Drug: Comparator: dorzolamide HCl/timolol maleate + prostaglandin
Drug: dorzolamide hydrochloride (+) timolol maleate

Study type

Interventional

Funder types

Industry

Identifiers

NCT00546286
2007_027
0507A-153
MK0507A-153

Details and patient eligibility

About

Evaluate the effectiveness of dorzolamide-timolol (Cosopt®) as first line therapy in reducing intraocular pressure in patients with untreated Open angle glaucoma (OAG) or Ocular hypertension (OH).

Enrollment

170 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patient has been recently diagnosed and is presently untreated for Open-Angle Glaucoma Or Ocular Hypertension With An iop of at least 27 mmhg in at least one eye (patient's worse eye)
  • Patient Already Diagnosed With Open-Angle Glaucoma Or Ocular Hypertension And Untreated For At Least 30 Days Are Eligible For The Study If They Have An Iop Of 27 Mmhg Or More In At Least One Eye

Exclusion criteria

  • A History Of Any Illness That, In The Opinion Of The Investigator, Might Confound The Results Of The Study Or Pose Additional Risk By Administering Dorzolamide-Timolol (Cosopt®) Or Prostaglandins
  • The Presence Of Any Fundus Pathology Likely To Change During The Study Or To Influence Iop (Background Of Diabetic Retinopathy Is Permitted)
  • Any Contraindication To The Use Of Cosopt® Including: - Bronchospasm, Including Bronchial Asthma Or A History Of Bronchial Asthma Or Chronic Obstructive Pulmonary Disease. - Sinus Bradycardia, Second Or Third Degree Av Block, Cardiac Failure (Grade Iii And Iv), Cardiogenic Shock
  • Patient On Oral Carbonic Anhydrase Inhibitor, Concomitant Systemic Or Dermatological Medication Known To Affect The Iop, E.G. Clonidine, Corticosteroids, Oral Beta-Blocking Agents
  • Pregnant Woman Or A Woman Of Childbearing Potential Who Is Sexually Active And Not Using An Acceptable Method Of Contraception (For Ex: Oral Contraceptive, Diaphragm, Contraceptive Sponge, Intra-Uterine Device, Long-Acting Contraceptive Injections, Double-Barrier Methods) Beginning At Least 7 Days Prior To Treatment And Continuing At Least 14 Days After The Last Visit Or The Discontinuation Visit. (Women Who Are Postmenopausal Or Have Received A Hysterectomy Or Have Undergone Tubal Ligature Are Considered As Not Having Childbearing Potential.)
  • Severe Renal Impairment (Serum Creatinine > 150 umol/L Or Creatinine Clearance < 30 ml/min)

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Single Group Assignment

Masking

None (Open label)

170 participants in 2 patient groups

1
Experimental group
Description:
dorzolamide HCl/timolol maleate
Treatment:
Drug: dorzolamide hydrochloride (+) timolol maleate
2
Experimental group
Description:
dorzolamide hydrochloride/timolol maleate + prostaglandin
Treatment:
Drug: Comparator: dorzolamide HCl/timolol maleate + prostaglandin

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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