A Phase 4 interventional study of Brinzolamide 1%/brimonidine 0.2% tartrate ophthalmic suspension and Brinz/brim vehicle in Open-Angle Glaucoma and Ocular Hypertension, sponsored by Alcon Research. Completed at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2018-11-15.
Sponsored by Alcon Research · Phase 4, Interventional, and Treatment
The purpose of this study is to evaluate the additive intraocular pressure (IOP) lowering effect of brinzolamide 1%/brimonidine 0.2% (dosed twice per day (BID)) when added to a prostaglandin analogue (PGA) in subjects with open-angle glaucoma or ocular hypertension.
This study consisted of 2 sequential phases: Screening/Eligibility Phase, followed by a Masked Treatment Phase (Phase II). Subjects were assigned into one of 3 PGA therapy groups for the duration of the study, based upon commercial availability.
929 studies on the registry are indexed under Glaucoma, Open-Angle; 122 are open to participants now.
This study's enrollment of 290 is above the median of 80 across 700 interventional studies indexed under Glaucoma, Open-Angle.
Browse Glaucoma, Open-Angle studies →Alcon Research is the lead sponsor of 608 studies on the registry; 9 are open to participants now.
Of its 109 completed or terminated interventional studies of FDA-regulated products, 99 (91%) have results posted.
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Exclusion Criteria:
Brinzolamide 1%/brimonidine 0.2% tartrate ophthalmic suspension, 1 drop instilled 2 times per day in affected eye(s) (09:00 and 21:00) plus designated prostaglandin analogue, 1 drop instilled in each eye once per day in the evening for 42 days
Drug: Brinzolamide 1%/brimonidine 0.2% tartrate ophthalmic suspension · Drug: Prostaglandin analogue
Brinz/brim vehicle, 1 drop instilled 2 times per day in affected eye(s) (09:00 and 21:00) plus designated prostaglandin analogue, 1 drop instilled in each eye once per day in the evening for 42 days
Drug: Brinz/brim vehicle · Drug: Prostaglandin analogue
Also known as: SIMBRINZA® suspension
Inactive ingredients used as a placebo for masking purposes
Also known as: TRAVATAN® PQ (Travoprost ophthalmic solution with PQ, 0.004%), LUMIGAN® (Bimatoprost ophthalmic solution, 0.01%), XALATAN® (Latanoprost ophthalmic solution, 0.005%)
Mean Change From Baseline (on PGA) in Diurnal IOP (Mean of 09:00 and 11:00 Time Points) at Week 6
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry and averaged over the 09:00 AM and 11:00 AM time points. A more negative change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
Time frame: Baseline, Week 6
Mean Diurnal IOP at Week 6
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry and averaged over the 09:00 AM and 11:00 AM time points. A higher IOP can be a greater risk factor for developing glaucoma or glaucoma progression (leading to optic nerve damage). One eye (study eye) contributed to the analysis.
Time frame: Week 6
Mean Percentage Change From Baseline in Diurnal IOP at Week 6
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry and averaged over the 09:00 AM and 11:00 AM time points. A more negative percent change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
Time frame: Baseline, Week 6
Mean Change From Baseline in IOP at 11:00 at Week 6
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry at 11:00 AM. A more negative change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
Time frame: Baseline, Week 6
Mean Percentage Change From Baseline in IOP at 11:00 at Week 6
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry at 11:00 AM. A more negative percent change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
Time frame: Baseline, Week 6
Mean Change From Baseline in IOP at 09:00 at Week 6
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry at 09:00 AM. Baseline is defined as the average of the 9:00 hour values at both Eligibility visits. A more negative change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
Time frame: Baseline, Week 6
Mean Percentage Change From Baseline at 09:00 at Week 6
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry at 9:00 AM. Baseline is defined as the average of the 9:00 hour values at both Eligibility visits.A more negative percent change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
Time frame: Baseline, Week 6
This study was conducted at 37 sites located in Argentina (3), Australia (4), Canada (12), Chile (3), France (1), Germany (3), Greece (2), Israel (3), Spain (3), and United Kingdom (3).
| Milestone | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Started | 96 | 92 |
| Full analysis set | 95 | 92 |
| Safety analysis set | 95 | 92 |
| Completed | 86 | 88 |
| Not completed | 10 | 4 |
| Withdrew: Adverse event | 9 | 3 |
| Withdrew: Withdrawal by subject | 1 | 0 |
| Withdrew: Other - reason not specified | 0 | 1 |
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry and averaged over the 09:00 AM and 11:00 AM time points. A more negative change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
| mmHg | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Mean Change From Baseline (on PGA) in Diurnal IOP (Mean of 09:00 and 11:00 Time Points) at Week 6 | -5.6 ± 2.72 | -2.1 ± 2.61 |
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry and averaged over the 09:00 AM and 11:00 AM time points. A higher IOP can be a greater risk factor for developing glaucoma or glaucoma progression (leading to optic nerve damage). One eye (study eye) contributed to the analysis.
| mmHg | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Mean Diurnal IOP at Week 6 | 17.2 ± 3.49 | 20.9 ± 3.59 |
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry and averaged over the 09:00 AM and 11:00 AM time points. A more negative percent change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
| percent change | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Mean Percentage Change From Baseline in Diurnal IOP at Week 6 | -24.7 ± 12.17 | -9.5 ± 10.92 |
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry at 11:00 AM. A more negative change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
| mmHg | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Baseline | 22.4 ± 2.70 | 22.6 ± 2.69 |
| Change from baseline | -7.0 ± 3.19 | -2.4 ± 2.78 |
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry at 11:00 AM. A more negative percent change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
| percent change | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Mean Percentage Change From Baseline in IOP at 11:00 at Week 6 | -31.3 ± 14.81 | -10.8 ± 11.86 |
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry at 09:00 AM. Baseline is defined as the average of the 9:00 hour values at both Eligibility visits. A more negative change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
| mmHg | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Baseline | 23.4 ± 2.40 | 23.4 ± 2.22 |
| Change from baseline | -4.9 ± 3.06 | -2.5 ± 2.87 |
IOP (fluid pressure inside the eye) was measured using Goldmann applanation tonometry at 9:00 AM. Baseline is defined as the average of the 9:00 hour values at both Eligibility visits.A more negative percent change from baseline indicates a greater improvement, i.e., a reduction of IOP. One eye (study eye) contributed to the analysis.
| percent change | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Mean Percentage Change From Baseline at 09:00 at Week 6 | -21.0 ± 13.36 | -10.9 ± 11.83 |
Collected over Baseline through study completion, an average of 6 weeks.. Non-serious events are listed at a 5% frequency threshold.
| Group | Deaths | Serious | Other |
|---|---|---|---|
| SIMBRINZA + PGA | 0/95 (0%) | 1/95 (1.1%) | 10/95 (10.5%) |
| Vehicle + PGA | 0/92 (0%) | 0/92 (0%) | 1/92 (1.1%) |
| Event | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Cardiac failureCardiac disorders | 1/95 | 0/92 |
| Event | SIMBRINZA + PGA | Vehicle + PGA |
|---|---|---|
| Ocular hyperaemiaEye disorders | 5/95 | 1/92 |
| Dry mouthGastrointestinal disorders | 5/95 | 0/92 |
This analysis population includes all randomized subjects who received a dose of study medication and had at least 1 of the 2 scheduled on-treatment visits \[Full Analysis Set (FAS)\].
| Age, Continuous(years) | SIMBRINZA + PGA | Vehicle + PGA | Total |
|---|---|---|---|
| Mean | 66.5 ± 10.70 | 67.9 ± 11.65 | 67.2 ± 11.17 |
| Sex: Female, Male(Participants) | SIMBRINZA + PGA | Vehicle + PGA | Total |
|---|---|---|---|
| Female | 55 | 43 | 98 |
| Male | 40 | 49 | 89 |
| Ethnicity (NIH/OMB)(Participants) | SIMBRINZA + PGA | Vehicle + PGA | Total |
|---|---|---|---|
| Hispanic or Latino | 23 | 29 | 52 |
| Not Hispanic or Latino | 72 | 62 | 134 |
| Unknown or Not Reported | 0 | 1 | 1 |
| Baseline Diurnal IOP(millimeters mercury (mmHg)) | SIMBRINZA + PGA | Vehicle + PGA | Total |
|---|---|---|---|
| Mean | 22.8 ± 2.39 | 22.9 ± 2.32 | 22.8 ± 2.35 |
| Region of Enrollment(Participants) | SIMBRINZA + PGA | Vehicle + PGA | Total |
|---|---|---|---|
| Europe, Australia | 45 | 44 | 89 |
| Latin America, Canada | 50 | 48 | 98 |
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