Betoptic (Page 2 of 2)

CONTRAINDICATIONS

Hypersensitivity to any component of this product. BETOPTIC Ophthalmic Solution is contraindicated in patients with sinus bradycardia, greater than a first degree atrioventricular block, cardiogenic shock, or patients with overt cardiac failure.

WARNING

Topically applied beta-adrenergic blocking agents may be absorbed systemically. The same adverse reactions found with systemic administration of beta-adrenergic blocking agents may occur with topical administration. For example, severe respiratory reactions and cardiac reactions, including death due to bronchospasm in patients with asthma, and rarely death in association with cardiac failure, have been reported with topical application of beta-adrenergic blocking agents.

BETOPTIC® Ophthalmic Solution has been shown to have a minor effect on heart rate and blood pressure in clinical studies. Caution should be used in treating patients with a history of cardiac failure or heart block. Treatment with BETOPTIC Ophthalmic Solution should be discontinued at the first signs of cardiac failure.

PRECAUTIONS

General

Information for Patients. Do not touch dropper tip to any surface as this may contaminate the solution.

Diabetes Mellitus

Beta-adrenergic blocking agents should be administered with caution in patients subject to spontaneous hypoglycemia or to diabetic patients (especially those with labile diabetes) who are receiving insulin or oral hypoglycemic agents. Beta-adrenergic receptor blocking agents may mask the signs and symptoms of acute hypoglycemia.

Thyrotoxicosis

Beta-adrenergic blocking agents may mask certain clinical signs (e.g., tachycardia) of hyperthyroidism. Patients suspected of developing thyrotoxicosis should be managed carefully to avoid abrupt withdrawal of beta-adrenergic blocking agents, which might precipitate a thyroid storm.

Muscle Weakness

Beta-adrenergic blockade has been reported to potentiate muscle weakness consistent with certain myasthenic symptoms (e.g., diplopla, ptosis, and generalized weakness).

Major Surgery

Consideration should be given to the gradual withdrawal of beta-adrenergic blocking agents prior to general anesthesia because of the reduced ability of the heart to respond to beta-adrenergically mediated sympathetic reflex stimuli.

Pulmonary

Caution should be exercised in the treatment of glaucoma patients with excessive restriction of pulmonary function. There have been reports of asthmatic attacks and pulmonary distress during betaxolol treatment. Although rechallenges of some such patients with ophthalmic betaxolol has not adversely affected pulmonary function test results, the possibility of adverse pulmonary effects in patients sensitive to beta blockers cannot be ruled out.

Risk from Anaphylactic Reaction

While taking beta-blockers, patients with a history of atopy or a history of severe anaphylactic reaction to a variety of allergens may be more reactive to repeated accidental, diagnostic, or therapeutic challenge with such allergens. Such patients may be unresponsive to the usual doses of epinephrine used to treat anaphylactic reactions.

Drug Interactions

Patients who are receiving a beta-adrenergic blocking agent orally and BETOPTIC Ophthalmic Solution should be observed for a potential additive effect either on the intraocular pressure or on the known systemic effects of beta blockade.

Close observation of the patients is recommended when a beta blocker is administered to patients receiving catecholamine-depleting drugs such as reserpine, because of possible additive effects and the production of hypotension and/or bradycardia.

Betaxolol is an adrenergic blocking agent; therefore, caution should be exercised in patients using concomitant adrenergic psychotropic drugs.

Ocular

In patients with angle-closure glaucoma, the immediate treatment objective is to reopen the angle by constriction of the pupil with a miotic agent. Betaxolol has little or no effect on the pupil. When the BETOPTIC Ophthalmic Solution is used to reduce elevated intraocular pressure in angle-closure glaucoma, it should be used with a miotic and not alone.

Carcinogenesis, Mutagenesis, Impairment of Fertility

Lifetime studies with betaxolol HCl have been completed in mice at oral doses of 6, 20 or 60 mg/kg/day and in rats at 3, 12, or 48 mg/kg/day; betaxolol HCl demonstrated no carcinogenic effect. Higher dose levels were not tested.

In a variety of in vitro and in vivo bacterial and mammalian cell assays, betaxolol HCl was nonmutagenic.

Pregnancy

Pregnancy Category C. Reproduction, teratology, and peri- and postnatal studies have been conducted with orally administered betaxolol HCl in rats and rabbits. There was evidence of drug related postimplantation loss in rabbits and rats at dose levels above 12 mg/kg and 128 mg/kg, respectively. Betaxolol HCl was not shown to be teratogenic, however, and there were no other adverse effects on reproduction at subtoxic dose levels. There are no adequate and well-controlled studies in pregnant women. BETOPTIC Ophthalmic Solution should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

Nursing Mothers

It is not known whether betaxolol HCl is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when BEOPTIC Ophthalmic Solution is administered to nursing women.

Pediatric Use

Safety and effectiveness in pediatric patients have not been established.

Adverse Reactions to Betoptic

The following adverse reactions have been reported in clinical trials with BETOPTIC Ophthalmic Solution.

Ocular

Discomfort of short duration was experienced by one in four patients, but none discontinued therapy; occasional tearing has been reported. Rare instances of decreased corneal sensitivity, erythema, itching sensation, corneal punctate staining, keratitis, anisocoria, edema, and photophobia have been reported.

Additional medical events reported with other formulations of betaxolol include blurred vision, foreign body sensation, dryness of the eyes, inflammation, discharge, ocular pain, decreased visual acuity, and crusty lashes.

Systemic

Systemic reactions following administration of BETOPTIC Ophthalmic Solution 0.5% or BETOPTIC S Ophthalmic Suspension 0.25% have been rarely reported. These include:

Cardiovascular

Bradycardia, heart block and congestive failure.

Pulmonary

Pulmonary distress characterized by dyspnea, bronchospasm, thickened bronchial secretions, asthma and respiratory failure.

Central Nervous System

Insomnia, dizziness, vertigo, headaches, depression, lethargy, and increase in signs and symptoms of myasthenia gravis.

Other

Hives, toxic epidermal necrolysis, hair loss and glossitis.

OVERDOSAGE

No information is available on overdosage of humans. The oral LD50 of the drug ranged from 350-920 mg/kg in mice and 860-1050 mg/kg in rats. The symptoms which might be expected with an overdose of a systemically administered beta-1-adrenergic receptor blocker agent are bradycardia, hypotension and acute cardiac failure. A topical overdose of BETOPTIC Ophthalmic Solution may be flushed from the eye(s) with warm tap water.

DOSAGE AND ADMINISTRATION

The recommended dose is one to two drops of BETOPTIC Ophthalmic Solution in the affected eye(s) twice daily. In some patients, the intraocular pressure lowering responses to BETOPTIC Ophthalmic Solution may require a few weeks to stabilize. As with any new medication, careful monitoring of patients is advised.

If the intraocular pressure of the patient is not adequately controlled on this regimen, concomitant therapy with pilocarpine and other miotics, and/or epinephrine and/or carbonic anhydrase inhibitors can be instituted.

HOW SUPPLIED

BETOPTIC Ophthalmic Solution is a sterile, isotonic, aqueous solution of betaxolol hydrochloride. Supplied as follows: 2.5, 5, 10 and 15 mL in plastic ophthalmic DROP-TAINER® dispensers.

2.5 mL: NDC 0065-0245-20 10 mL: NDC 0065-0245-10

5 mL: NDC 0065-0245-05 15 mL: NDC 0065-0245-15

STORAGE

Store at room temperature

Rx Only

U.S. Patents Nos. 4,252,984; 4,311,708; 4,342,783

ALCON®

OPHTHALMIC

ALCON LABORATORIES, INC

Fort Worth, Texas 76134 USA

Printed in USA

236015-0598

BETOPTIC
betaxolol hydrochloride solution/ drops
Product Information
Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:0065-0245
Route of Administration OPHTHALMIC DEA Schedule
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
betaxolol hydrochloride (betaxolol) betaxolol 5.6 mg in 1 mL
Inactive Ingredients
Ingredient Name Strength
benzalkonium chloride 0.1 mg in 1 mL
edetate disodium
sodium chloride
hydrochloric acid and/or sodium hydroxide
water
Packaging
# Item Code Package Description Multilevel Packaging
1 NDC:0065-0245-20 2.5 mL (2.5 MILLILITER) in 1 BOTTLE, PLASTIC None
2 NDC:0065-0245-05 5 mL (5 MILLILITER) in 1 BOTTLE, PLASTIC None
3 NDC:0065-0245-10 10 mL (10 MILLILITER) in 1 BOTTLE, PLASTIC None
4 NDC:0065-0245-15 15 mL (15 MILLILITER) in 1 BOTTLE, PLASTIC None
Labeler — Alcon

Revised: 10/2006 Alcon

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