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A COMPARISON OF THE EFFICACY AND SAFETY OF THE DORZOLAMIDE/TIMOLOL FIXED COMBINATION GIVEN TWICE DAILY VERSUS THE LATANOPROST/TIMOLOL FIXED COMBINATION GIVEN ONCE EVERY MORNING FOLLOWING A RUN-IN PERIOD WITH TIMOLOL GIVEN ONCE DAILY - Cosopt versus Xalacom

A COMPARISON OF THE EFFICACY AND SAFETY OF THE DORZOLAMIDE/TIMOLOL FIXED COMBINATION GIVEN TWICE DAILY VERSUS THE LATANOPROST/TIMOLOL FIXED COMBINATION GIVEN ONCE EVERY MORNING FOLLOWING A RUN-IN PERIOD WITH TIMOLOL GIVEN ONCE DAILY - Cosopt versus Xalacom

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2005-006005-61-SI
Enrollment
30
Registered
2006-03-08
Start date
2006-03-16
Completion date
Unknown
Last updated
2024-12-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

open-angle glaucoma ocular hypertension Classification code 10030348

Interventions

Trade Name: Cosopt Product Name: Cosopt Product Code: not applicable Pharmaceutical Form: Eye drops, solution INN or Proposed INN: dorzolamide Concentration unit: % percent Concentration type: equal C

Sponsors

Pharmaceutical Research Network, LLC
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - adults with primary open-angle, pseudoexfoliation, or pigment dispersion glaucoma, or ocular hypertension in both eyes - at baseline the intraocular pressure should be 20 to 32 mm Hg inclusive at 08:00 measurement (Visit 2) after dosing with timolol the evening before - the intraocular pressure should be 32 mm Hg or less at all time points in both eyes at Visit 2 - visual acuity should be 6/60 or better in the study eye(s) Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: - any anticipated change in systemic hypotensive therapy during the trial - use of any corticosteroids by any route for more than two weeks during the study - contraindications to study medications

Design outcomes

Primary

MeasureTime frame
Main Objective: To compare the daytime diurnal intraocular pressure efficacy and safety of Cosopt given twice daily versus Xalacom given once every morning (with placebo in the evening) following a run-in period with Timoptol given twice daily. ;Secondary Objective: To compare the intraocular efficacy at each individual time point, every 2 hours from 08:00 to 20:00 hours.;Primary end point(s): Diurnal intraocular pressure (12 hrs)

Countries

Slovenia

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026