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A Comfort Study of Brinzolamide 1% / Brimonidine 0.2% Fixed Combination, Brinzolamide 1% and Brimonidine 0.2%

A Descriptive Comfort Study of Brinzolamide 1% / Brimonidine Tartrate 0.2% Fixed Combination Ophthalmic Suspension, Brinzolamide 1% Ophthalmic Suspension and Brimonidine Tartrate 0.2% Ophthalmic Solution in Patients With Open-Angle Glaucoma or Ocular Hypertension

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01426867
Enrollment
103
Registered
2011-09-01
Start date
2011-09-30
Completion date
2011-11-30
Last updated
2013-07-08

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

Keywords

Open-Angle Glaucoma, Ocular Hypertension, Intraocular Pressure, Brinzolamide, Brimonidine

Brief summary

The purpose of this study was to describe the ocular discomfort immediately upon instillation of Brinzolamide 1%/Brimonidine 0.2% Tartrate Ophthalmic Suspension, Brinzolamide 1% Ophthalmic Suspension, and Brimonidine Tartrate 0.2% Ophthalmic Solution in subjects with open-angle glaucoma and/or ocular hypertension.

Interventions

Sponsors

Alcon Research
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Sign Informed Consent document. * Diagnosis of open-angle glaucoma or ocular hypertension * Other protocol-specified inclusion criteria may apply.

Exclusion criteria

* Females of childbearing potential if pregnant, lactating, or not using highly effective birth control measures. * Severe central vision loss in either eye. * Any chronic or recurrent inflammatory eye disease. * Ocular trauma within the preceding 6 months. * Ocular infection or ocular inflammation within the preceding 3 months. * Best-corrected visual acuity score worse than 55 letters using the Early Treatment Diabetic Retinopathy Study chart. * Any intraocular surgery within the preceding 6 months. * Any ocular laser surgery within the preceding 3 months. * History or current evidence of severe illness or any other conditions which would make the subject, in the opinion of the Investigator, unsuitable for the study. * Other protocol-defined

Design outcomes

Primary

MeasureTime frameDescription
Mean Ocular Discomfort ScoreWeek 1Ocular discomfort was assessed by the subject immediately following the 8 AM instillation of study drug and rated on a 5-point scale: 0 (none), 1 (mild), 2 (moderate), 3 (severe), and 4 (very severe).

Participant flow

Recruitment details

Subjects were recruited from 5 investigational centers in the United States.

Pre-assignment details

Of the 103 enrolled, 2 subjects did not meet inclusion/exclusion criteria and were exited from the study as screen failures prior to randomization. This reporting group includes all randomized subjects (101).

Participants by arm

ArmCount
Brinz/Brim
Brinzolamide 1%/brimonidine tartrate 0.2% ophthalmic suspension, 1 drop instilled in each affected eye 3 times a day for 7 days
33
Brinzolamide
Brinzolamide ophthalmic suspension, 1%, 1 drop instilled in each affected eye 3 times a day for 7 days
34
Brimonidine
Brimonidine tartrate ophthalmic solution, 0.2%, 1 drop instilled in each affected eye 3 times a day for 7 days
34
Total101

Baseline characteristics

CharacteristicBrinz/BrimBrinzolamideBrimonidineTotal
Age, Customized
18 to 64 years
8 participants12 participants11 participants31 participants
Age, Customized
≥65 years
25 participants22 participants23 participants70 participants
Region of Enrollment
United States
33 participants34 participants34 participants101 participants
Sex: Female, Male
Female
20 Participants23 Participants23 Participants66 Participants
Sex: Female, Male
Male
13 Participants11 Participants11 Participants35 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
5 / 337 / 340 / 34
serious
Total, serious adverse events
0 / 330 / 340 / 34

Outcome results

Primary

Mean Ocular Discomfort Score

Ocular discomfort was assessed by the subject immediately following the 8 AM instillation of study drug and rated on a 5-point scale: 0 (none), 1 (mild), 2 (moderate), 3 (severe), and 4 (very severe).

Time frame: Week 1

Population: Intent-to-Treat (ITT): All subjects who received study medication and had at least 1 scheduled on-therapy visit.

ArmMeasureValue (MEAN)Dispersion
Brinz/BrimMean Ocular Discomfort Score0.8 Units on a scaleStandard Deviation 0.9
BrinzolamideMean Ocular Discomfort Score0.4 Units on a scaleStandard Deviation 0.6
BrimonidineMean Ocular Discomfort Score0.3 Units on a scaleStandard Deviation 0.5

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026