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Safety and Efficacy of Triple Combination Therapy With Dorzolamide Hydrochloride / Brimonidine Tartrate / Timolol Ophthalmic Solution in Patients With Glaucoma or Ocular Hypertension

This study has been withdrawn prior to enrollment.
(Study was never initiated due to company decision. No study subjects were ever enrolled or treated.)
Information provided by (Responsible Party):
Allergan Identifier:
First received: January 25, 2011
Last updated: July 17, 2013
Last verified: July 2013

This study will investigate the safety and efficacy of Triple Combination Therapy with dorzolamide hydrochloride/brimonidine tartrate/timolol ophthalmic solution in patients with glaucoma or ocular hypertension who have elevated IOP on dorzolamide hydrochloride/timolol maleate combination therapy.

Condition Intervention Phase
Ocular Hypertension
Drug: dorzolamide hydrochloride 2.0%/brimonidine tartrate 0.2%/timolol 0.5% ophthalmic solution
Phase 3

Study Type: Interventional
Study Design: Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by Allergan:

Primary Outcome Measures:
  • Change from Baseline in Intraocular Pressure (IOP) [ Time Frame: Baseline, Week 12 ] [ Designated as safety issue: No ]

Enrollment: 0
Study Start Date: July 2013
Estimated Study Completion Date: May 2014
Estimated Primary Completion Date: May 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Triple Combination Therapy
Triple Combination Therapy with dorzolamide hydrochloride/brimonidine tartrate/timolol ophthalmic solution. One drop of Triple Combination Therapy administered to each eye, twice daily for 12 weeks.
Drug: dorzolamide hydrochloride 2.0%/brimonidine tartrate 0.2%/timolol 0.5% ophthalmic solution
1 drop of Triple Combination Therapy (dorzolamide hydrochloride 2.0%/brimonidine tartrate 0.2%/timolol 0.5% ophthalmic solution) administered to each eye, twice daily for 12 weeks.


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Diagnosis of ocular hypertension or glaucoma in each eye
  • Requires IOP-lowering treatment in both eyes

Exclusion Criteria:

  • Use of dorzolamide or carbonic anhydrase within 4 weeks
  • Any other active ocular disease other than ocular hypertension or glaucoma (eg, uveitis, ocular infections or severe dry eye)
  • Required chronic use of ocular medications other than study medication during the study (intermittent use of certain products eg, artificial tears are permitted)
  • Use of oral, injectable or topical ophthalmic steroids within 21 days
  • Any eye laser surgery within 3 months
  • Any intraocular surgery (eg cataract surgery) within 6 months
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01284166

Sponsors and Collaborators
Study Director: Medical Director Allergan
  More Information

No publications provided

Responsible Party: Allergan Identifier: NCT01284166     History of Changes
Other Study ID Numbers: Dorzo-Brimo-Timo/2010
Study First Received: January 25, 2011
Last Updated: July 17, 2013
Health Authority: India: Drugs Controller General of India

Additional relevant MeSH terms:
Ocular Hypertension
Cardiovascular Diseases
Eye Diseases
Vascular Diseases
Ophthalmic Solutions
Pharmaceutical Solutions
Adrenergic Agents
Adrenergic Agonists
Adrenergic Antagonists
Adrenergic alpha-2 Receptor Agonists
Adrenergic alpha-Agonists
Adrenergic beta-Antagonists
Anti-Arrhythmia Agents
Antihypertensive Agents
Carbonic Anhydrase Inhibitors
Cardiovascular Agents
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Neurotransmitter Agents
Pharmacologic Actions
Physiological Effects of Drugs
Therapeutic Uses processed this record on November 25, 2014