Qoliana (Brimonidine Tartrate Ophthalmic Solution): Uses, Dosage, Side Effects, Interactions, Warning

PROFESSIONAL SIDE EFFECTS

Drug Description

What is Qoliana and how is it used?

Qoliana (brimonidine tartrate ophthalmic solution) is a selective alpha-2-adrenergic agonist used for the lowering of intraocular pressure in patients with open-angle glaucoma or ocular hypertension. Qoliana is available in generic form.

Common side effects of Qoliana include:

eye redness,
inflammation,
itching, and
tearing

Other side effects of Qoliana include burning sensation, high blood pressure (hypertension), allergic reaction in the eyes, dry mouth, and visual disturbances.

DESCRIPTION

QOLIANA® (brimonidine tartrate ophthalmic solution), 0.15% (1.5 mg brimonidine tartrate per mL equivalent to 1 mg brimonidine free base per mL) is a relatively selective alpha-2-adrenergic agonist for ophthalmic use. The chemical name of brimonidine tartrate is 5-bromo-6-(2imidazolidinylideneamino) quinoxaline L-tartrate. It is an off-white to pale yellow powder. It has a molecular weight of 442.24 as the tartrate salt, and is both soluble in water (1.5 mg/mL) and in the product vehicle (3 mg/mL) at pH 7.2. The structural formula is:

QOLIANA® (brimonidine tartrate), Structural Formula Illustration

Formula: C₁₁H₁₀BrN₅ • C₄H₆O₆
CAS Number: 59803-98-4

In solution, QOLIANA® (brimonidine tartrate ophthalmic solution), 0.15% has a clear, greenish-yellow color. It has an osmolality of 250-350 mOsmol/kg and a pH of 6.6 - 7.4.

Contains: Active ingredient: brimonidine tartrate 1.5 mg/mL, Preservative: POLYQUAD* (polyquaternium-1) 0.01 mg/mL, Inactives: povidone, boric acid, sodium borate, calcium chloride, magnesium chloride, potassium chloride, mannitol, sodium chloride, purified water, with hydrochloric acid and/or sodium hydroxide to adjust pH.

Indications & Dosage

INDICATIONS

QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% is indicated for the lowering of intraocular pressure in patients with open-angle glaucoma or ocular hypertension.

DOSAGE AND ADMINISTRATION

The recommended dose is one drop of QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% in the affected eye(s) three-times daily, approximately 8 hours apart.

QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% may be used concomitantly with other topical ophthalmic drug products to lower intraocular pressure. If more than one topical ophthalmic product is being used, the products should be administered at least 5 minutes apart.

HOW SUPPLIED

Dosage Forms And Strengths

Brimonidine tartrate ophthalmic solution, 1.5 mg/mL.

Storage And Handling

QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% is supplied sterile in opaque white LDPE plastic bottles and natural tips with purple polypropylene caps as follows:

5 mL in 8 mL bottle	NDC 61314-144-05
10 mL in 10 mL bottle	NDC 61314-144-10
15 mL in 15 mL bottle	NDC 61314-144-15

Storage

Store at 15° - 25° C (59° - 77°F).

Manufactured by: Alcon Laboratories, Inc. Fort Worth, Texas 76134. Revised: n/a

Side Effects

SIDE EFFECTS

Clinical Studies Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

Adverse reactions occurring in approximately 10-20% of the subjects included: allergic conjunctivitis, conjunctival hyperemia, and eye pruritis.

Adverse reactions occurring in approximately 5-9% of the subjects included: burning sensation, conjunctival folliculosis, hypertension, ocular allergic reaction, oral dryness, and visual disturbance.

Reactions occurring in approximately 1-4% of subjects included: allergic reaction, arthralgia, arthritis, asthenia, blepharitis, blepharoconjunctivitis, blurred vision, bronchitis, cataract, chest pain, conjunctival edema, conjunctival hemorrhage, conjunctivitis, cough, dizziness, diabetes mellitus, dyspepsia, dyspnea, epiphora, eye discharge, eye dryness, eye irritation, eye pain, eyelid edema, eyelid erythema, fatigue, flu syndrome, follicular conjunctivitis, foreign body sensation, gastrointestinal disorder, headache, hypercholesterolemia, hypotension, infection, insomnia, joint disorder, keratitis, lid disorder, osteoporosis, pharyngitis, photophobia, rash, rhinitis, sinus infection, sinusitis, somnolence, stinging, superficial punctate keratopathy, tearing, visual field defect, vitreous detachment, vitreous disorder, vitreous floaters, and worsened visual acuity.

The following reactions were reported in less than 1% of subjects: corneal erosion, nasal dryness, and taste perversion.

Postmarketing Experience

The following adverse reactions have been identified during post-marketing use of brimonidine tartrate ophthalmic solutions in clinical practice. Because they are reported voluntarily from a population of unknown size, estimates of frequency cannot be made. The reactions, which have been chosen for inclusion due to either their seriousness, frequency of reporting, possible causal connection to brimonidine tartrate ophthalmic solutions, or a combination of these factors, include: bradycardia, iritis, miosis, skin reactions (including, eyelid pruritis, and vasodilation), and tachycardia. Apnea, bradycardia, hypotension, hypothermia, hypotonia, and somnolence have been reported in infants receiving brimonidine tartrate ophthalmic solutions.

Drug Interactions

DRUG INTERACTIONS

Anti-Hypertensives / Cardiac Glycosides

Alpha-2 agonists, as a class, may reduce blood pressure. Caution in using drugs such as beta-blockers (ophthalmic and systemic), anti-hypertensives and/or cardiac glycosides is advised.

CNS Depressants

Although specific drug interaction studies have not been conducted with QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15%, the possibility of an additive or potentiating effect with CNS depressants (alcohol, barbiturates, opiates, sedatives, or anesthetics) should be considered.

Tricyclic Antidepressants

Tricyclic antidepressants have been reported to blunt the hypotensive effect of systemic clonidine. It is not known whether the concurrent use of these agents with QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% in humans can lead to resulting interference with its IOP-lowering effect. Caution, however, is advised in patients taking tricyclic antidepressants, which can affect the metabolism and uptake of circulating amines.

Monoamine Oxidase Inhibitors

Monoamine oxidase (MAO) inhibitors may theoretically interfere with the metabolism of brimonidine and potentially result in an increased systemic side-effect such as hypotension. Caution is advised in patients taking MAO inhibitors which can affect the metabolism and uptake of circulating amines.

Warnings & Precautions

WARNINGS

Included as part of the "PRECAUTIONS" Section

PRECAUTIONS

Potentiation Of Vascular Insufficiency

QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% may potentiate syndromes associated with vascular insufficiency. QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% should be used with caution in patients with depression, cerebral or coronary insufficiency, Raynaud’s phenomenon, orthostatic hypotension, or thromboangiitis obliterans.

Nonclinical Toxicology

Carcinogenesis, Mutagenesis, Impairment Of Fertility

No compound-related carcinogenic effects were observed in either mice or rats following a 21-month and a 24-month study, respectively. In these studies, dietary administration of brimonidine tartrate at doses up to 2.5 mg/kg/day in mice and 1mg/kg/day in rats achieved 60 and 50 times, respectively, the plasma drug concentration estimated in humans treated with one drop of QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% into both eyes.

Brimonidine tartrate was not mutagenic or cytogenic in a series of in vitro and in vivo studies including the Ames test, chromosomal aberration assay in Chinese hamster ovary (CHO) cells, a host-mediated assay and cytogenic studies in mice, and dominant lethal assay.

Use In Specific Populations

Pregnancy

Pregnancy Category B

Reproductive studies performed in rats and rabbits with oral doses of 0.66 mg base/kg revealed no evidence of harm to the fetus due to QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15%. Dosing at this level produced an exposure in rats and rabbits that is 80 and 40 times higher than the exposure seen in humans, respectively.

There are no adequate and well-controlled studies in pregnant women. In animal studies, brimonidine crossed the placenta and entered into the fetal circulation to a limited extent. QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% should be used during pregnancy only if the potential benefit to the mother justifies the potential risk to the fetus.

Nursing Mothers

It is not known whether this drug is excreted in human milk. In animal studies, brimonidine tartrate was excreted in breast milk. A decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

Pediatric Use

In a well-controlled clinical study conducted in pediatric glaucoma patients (ages 2 to 7 years), the most commonly observed adverse reactions with brimonidine tartrate ophthalmic solution 0.2% dosed three-times-daily were somnolence (50%-83% in patients ages 2 to 6 years) and decreased alertness. In pediatric patients 7 years of age or older (>20 kg), somnolence appears to occur less frequently (25%). Approximately 16% of patients on brimonidine tartrate ophthalmic solution discontinued from the study due to somnolence.

The safety and effectiveness of brimonidine tartrate ophthalmic solution have not been studied in pediatric patients below the age of 2 years. Brimonidine tartrate ophthalmic solution is not recommended for use in pediatric patients under the age of 2 years.

Geriatric Use

No overall differences in safety or effectiveness have been observed between elderly and other adult patients.

Overdosage & Contraindications

OVERDOSE

No information is available on overdosage in humans. Treatment of an oral overdose includes supportive and symptomatic therapy; a patent airway should be maintained.

CONTRAINDICATIONS

Hypersensitivity

QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% is contraindicated in patients with hypersensitivity to any component of this product.

Clinical Pharmacology

CLINICAL PHARMACOLOGY

Mechanism Of Action

QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% is an alpha-2 adrenergic receptor agonist. Fluorophotometric studies in animals and humans suggest that brimonidine tartrate has a dual mechanism of action by reducing aqueous humor production and increasing uveoscleral outflow.

Pharmacodynamics

QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% has a peak ocular hypotensive effect occurring at two hours post-dosing.

Elevated IOP presents a major risk factor in glaucomatous field loss. The higher the level of IOP, the greater the likelihood of optic nerve damage and visual field loss. Brimonidine tartrate has the action of lowering intraocular pressure with minimal effect on cardiovascular and pulmonary parameters.

Pharmacokinetics

Absorption

In a pharmacokinetic study, 14 healthy subjects (4 males and 10 females) received a single topical ocular administration of QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15%, one drop per eye. The peak plasma concentrations (Cmax) and AUC0-inf were 73 ± 19 pg/mL and 375 ± 89 pg•hr/mL, respectively. Tmax was 1.7 ± 0.7 hours after dosing. The systemic half-life was approximately 2.1 hours.

Metabolism

Brimonidine is metabolized primarily by the liver. In vitro metabolism data from human microsomal fractions and liver slices indicate that brimonidine undergoes extensive hepatic metabolism.

Excretion

Urinary excretion is the major route of elimination of brimonidine and its metabolites. Approximately 87% of an orally administered radioactive dose of brimonidine was eliminated within 120 hours, with 74% of the radioactivity recovered in the urine.

Clinical Studies

A clinical study was conducted to evaluate the safety and efficacy of QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% compared to Alphagan^® P** administered three times daily in patients with open-angle glaucoma or ocular hypertension. The results indicated that QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% is equivalent in IOP-lowering effect to Alphagan^® P (brimonidine tartrate ophthalmic solution), 0.15%, and effectively lowers IOP in patients with open-angle glaucoma or ocular hypertension by 2 - 6 mmHg.

Medication Guide

PATIENT INFORMATION

As with other drugs in this class, QOLIANA^® (brimonidine tartrate ophthalmic solution), 0.15% may cause fatigue and/or drowsiness in some patients. Patients who engage in hazardous activities should be cautioned of the potential for a decrease in mental alertness.

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