To characterize the plasma pharmacokinetics and safety profile of brimonidine following a single dose and 4 times per day (QID) dosing of brimonidine tartrate ophthalmic solution 0.025% for 7 days in healthy, adult subjects.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
SCREENING
Masking
NONE
Enrollment
12
Bausch & Lomb, Incorporated
Rochester, New York, United States
Plasma Levels
Blood samples will be collected for the determination of brimonidine in plasma at the specified time points on Day 1.
Time frame: Day 1 (Visit 2)
Plasma Levels
Blood samples will be collected for the determination of brimonidine in plasma at the specified time points on Day 2.
Time frame: Day 2 (Visit 3)
Plasma Levels
Blood samples will be collected for the determination of brimonidine in plasma at the specified time points on Day 7.
Time frame: Day 7 (Visit 4)
Plasma Levels
Blood samples will be collected for the determination of brimonidine in plasma at the specified time points on Day 8.
Time frame: Day 8 (Visit 5)
Visual Acuity
Visual acuity testing should be done with best correction at 10ft
Time frame: Baseline (Visit 1)
Slit Lamp Biomicroscopy
Lid and lid margin erythema and swelling, conjunctival erythema/hyperemia and chemosis will be graded on a scale of 0 - 4. with 0=normal and 4=marked. Half grade measurements will be accepted for erythema/hyperemia.
Time frame: Baseline (Visit 1)
Intraocular Pressure
Intraocular Pressure measured at baseline Day 8 (Visit 5)
Time frame: Day 8 (Visit 5)
Hematology and Blood Chemistry Analysis
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Blood samples will be collected for hematology and blood chemistry parameters at Baseline (Visit 1)
Time frame: Baseline (Visit 1)
Urinalysis
Urine sample will be collected for urinalysis at Baseline (Visit 1)
Time frame: Baseline (Visit 1)
Visual Acuity
Visual acuity testing should be done with best correction at 10ft
Time frame: Day 1 (Visit 2)
Visual Acuity
Visual acuity testing should be done with best correction at 10ft
Time frame: Day 7 (Visit 4)
Visual Acuity
Visual acuity testing should be done with best correction at 10ft
Time frame: Day 8 (Visit 5)
Slit Lamp Biomicroscopy
Lid and lid margin erythema and swelling, conjunctival erythema/hyperemia and chemosis will be graded on a scale of 0 - 4. with 0=normal and 4=marked. Half grade measurements will be accepted for erythema/hyperemia.
Time frame: Day 1 (Visit 2)
Slit Lamp Biomicroscopy
Lid and lid margin erythema and swelling, conjunctival erythema/hyperemia and chemosis will be graded on a scale of 0 - 4. with 0=normal and 4=marked. Half grade measurements will be accepted for erythema/hyperemia.
Time frame: Day 7 (Visit 4)
Slit Lamp Biomicroscopy
Lid and lid margin erythema and swelling, conjunctival erythema/hyperemia and chemosis will be graded on a scale of 0 - 4. with 0=normal and 4=marked. Half grade measurements will be accepted for erythema/hyperemia.
Time frame: Day 8 (Visit 5)
Intraocular Pressure
Intraocular Pressure measured at baseline (Visit 1)
Time frame: Baseline (Visit 1)
Hematology and Blood Chemistry Analysis
Blood samples will be collected for hematology and blood chemistry parameters at Day 8 (Visit 5)
Time frame: Day 8 (Visit 5)
Urinalysis
Urine sample will be collected for urinalysis at Day 8 (Visit 5)
Time frame: Day 8 (Visit 5)