EPINASTINE HYDROCHLORIDE SOLUTION [SUN PHARMACEUTICAL INDUSTRIES, INC.]

EPINASTINE HYDROCHLORIDE SOLUTION [SUN PHARMACEUTICAL INDUSTRIES, INC.]
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NDC 62756-329-90
Set ID cafe4650-6aa4-4466-9beb-064ee5a0e401
Category Human Prescription Drug Label
Packager Sun Pharmaceutical Industries, Inc.
Generic Name
Product Class Adrenergic Receptor Agonist
Product Number
Application Number ANDA091626
  • HIGHLIGHTS OF PRESCRIBING INFORMATION
    These highlights do not include all the information needed to use EPINASTINE HYDROCHLORIDE OPHTHALMIC SOLUTION safely and effectively. See full prescribing information for EPINASTINE HYDROCHLORIDE OPHTHALMIC SOLUTION.

    EPINASTINE HYDROCHLORIDE ophthalmic solution
    Initial U.S. Approval: 2003

    INDICATIONS AND USAGE

    Epinastine hydrochloride ophthalmic solution is an H1 histamine receptor antagonist indicated for the prevention of itching associated with allergic conjunctivitis. (1)

    DOSAGE AND ADMINISTRATION

    The recommended dosage is one drop in each eye twice a day.  (2)

    DOSAGE FORMS AND STRENGTHS

    Ophthalmic solution containing 0.5 mg/mL epinastine hydrochloride (3)

    CONTRAINDICATIONS

    None (4)

    WARNINGS AND PRECAUTIONS

    • To minimize the risk of contamination, do not touch dropper tip to any surface. Keep bottle tightly closed when not in use. (5.1)
    • Epinastine hydrochloride ophthalmic solution should not be used to treat contact lens-related irritation. (5.2)
    • Remove contact lenses prior to instillation of epinastine hydrochloride ophthalmic solution. (5.2)

    ADVERSE REACTIONS

    The most common ocular adverse reactions (incidence occurring in approximately 1% to 10% of epinastine hydrochloride ophthalmic solution treated eyes were burning sensation in the eye, folliculosis, hyperemia, and pruritus. The most common non-ocular adverse reactions, occurring in 10% of epinastine hydrochloride ophthalmic solution-treated eyes, were infection (cold symptoms and upper respiratory infections). (6.1)

    To report SUSPECTED ADVERSE REACTIONS, contact Sun Pharmaceutical Industries, Inc. at 1-800-818-4555 or the FDA at 1-800-FDA-1088 or www.fda.gov/medwatch

    See 17 for PATIENT COUNSELING INFORMATION.

    Revised: 10/2018

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  • FULL PRESCRIBING INFORMATION: CONTENTS*
  • 1 INDICATIONS AND USAGE

    Epinastine hydrochloride ophthalmic solution is indicated for the prevention of itching associated with allergic conjunctivitis.

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  • 2 DOSAGE AND ADMINISTRATION

    The recommended dosage is one drop in each eye twice a day.

    Treatment should be continued throughout the period of exposure (i.e., until the pollen season is over or until exposure to the offending allergen is terminated), even when symptoms are absent.

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  • 3 DOSAGE FORMS AND STRENGTHS

    Solution containing 0.5 mg/mL epinastine hydrochloride

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  • 4 CONTRAINDICATIONS

    None

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  • 5 WARNINGS AND PRECAUTIONS

    5.1 Contamination of Tip and Solution

    Patients should be instructed to avoid allowing the tip of the dispensing container to contact the eye, surrounding structures, fingers, or any other surface in order to avoid contamination of the solution by common bacteria known to cause ocular infections. Serious damage to the eye and subsequent loss of vision may result from using contaminated solutions.

    Bottle should be kept tightly closed when not in use.

    5.2 Use with Contact Lenses

    Patients should be advised not to wear a contact lens if their eye is red. Epinastine hydrochloride ophthalmic solution should not be used to treat contact lens-related irritation.

    The preservative in epinastine hydrochloride ophthalmic solution, benzalkonium chloride, may be absorbed by soft contact lenses. Contact lenses should be removed prior to instillation of epinastine hydrochloride ophthalmic solution and may be reinserted after 10 minutes following its administration.

    5.3 Topical Ophthalmic Use Only

    Epinastine hydrochloride ophthalmic solution is for topical ophthalmic use only and not for injection or oral use.

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  • 6 ADVERSE REACTIONS

    6.1 Clinical Studies Experience

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

    The most frequently reported ocular adverse reactions occurring in approximately 1 to 10% of patients were burning sensation in the eye, folliculosis, hyperemia, and pruritus.

    The most frequently reported non-ocular adverse reactions were infection (cold symptoms and upper respiratory infections), seen in approximately 10% of patients, and headache, rhinitis, sinusitis, increased cough, and pharyngitis, seen in approximately 1 to 3% of patients.

    Some of these reactions were similar to the underlying disease being studied.

    6.2 Postmarketing Experience

    The following reactions have been identified during postmarketing use of epinastine hydrochloride ophthalmic solution 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 epinastine hydrochloride ophthalmic solution, or a combination of these factors, include: lacrimation increased.

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  • 8 USE IN SPECIFIC POPULATIONS

    8.1 Pregnancy

    Teratogenic Effects
    Pregnancy Category C

    In an embryofetal developmental study in pregnant rats, maternal toxicity with no embryofetal effects was observed at an oral dose that was approximately 150,000 times the maximum recommended ocular human dose (MROHD) of 0.0014 mg/kg/day on a mg/kg basis. Total resorptions and abortion were observed in an embryofetal study in pregnant rabbits at an oral dose that was approximately 55,000 times the MROHD. In both studies, no drug-induced teratogenic effects were noted.

    Epinastine reduced pup body weight gain following an oral dose to pregnant rats that was approximately 90,000 times the MROHD.

    There are, however, no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, epinastine hydrochloride ophthalmic solution should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

    8.3 Nursing Mothers

    A study in lactating rats revealed excretion of epinastine in the breast milk. It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when epinastine hydrochloride ophthalmic solution is administered to a nursing woman.

    8.4 Pediatric Use

    Safety and effectiveness in pediatric patients below the age of 2 years have not been established.

    8.5 Geriatric Use

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

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  • 11 DESCRIPTION


    Epinastine hydrochloride ophthalmic solution 0.05% is a clear, colorless, sterile isotonic solution containing epinastine hydrochloride, an antihistamine and an inhibitor of histamine release from the mast cell for topical administration to the eyes.

    Epinastine hydrochloride is represented by the following structural formula:


    chemical-structure

    Chemical Name: 3-Amino-9, 13b-dihydro-1H-dibenz[c,f]imidazo[1,5-a]azepine hydrochloride
     
    Each mL contains: Active: Epinastine hydrochloride 0.05% (0.5 mg/mL) equivalent to epinastine 0.044% (0.44 mg/mL); Preservative: Benzalkonium chloride solution (50%) 0.02%; Inactives: Edetate disodium; water for injection; sodium chloride; monobasic sodium phosphate; and sodium hydroxide and/or hydrochloric acid (to adjust the pH). Epinastine hydrochloride ophthalmic solution has a pH of approximately 7 and an osmolality range of 250 to 310 mOsm/kg.

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  • 12 CLINICAL PHARMACOLOGY

    12.1 Mechanism of Action

    Epinastine is a topically active, direct H1-receptor antagonist and an inhibitor of the release of histamine from the mast cell. Epinastine is selective for the histamine H1-receptor and has affinity for the histamine H2­-receptor. Epinastine also possesses affinity for the α1, α 2-, and 5-HT2–receptors.

    12.3 Pharmacokinetics

    Fourteen subjects, with allergic conjunctivitis, received one drop of Epinastine hydrochloride ophthalmic solution in each eye twice daily for 7 days. On day 7, average maximum epinastine plasma concentrations of 0.04±0.014 ng/ml were reached after about two hours indicating low systemic exposure. While these concentrations represented an increase over those seen following a single dose, the day 1 and day 7 Area Under the Curve (AUC) values were unchanged indicating that there is no increase in systemic absorption with multiple dosing. Epinastine is 64% bound to plasma proteins. The total systemic clearance is approximately 56 L/hr and the terminal plasma elimination half-life is about 12 hours. Epinastine is mainly excreted unchanged. About 55% of an intravenous dose is recovered unchanged in the urine with about 30% in feces. Less than 10% is metabolized. The renal elimination is mainly via active tubular secretion.

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  • 13 NONCLINICAL TOXICOLOGY

    13.1 Carcinogenesis, Mutagenesis, Impairment Of Fertility

    In 18-month or 2-year dietary carcinogenicity studies in mice or rats, respectively, epinastine was not carcinogenic at doses up to 40 mg/kg [approximately 30,000 times higher than the MROHD, assuming 100% absorption in humans and animals].

    Epinastine in newly synthesized batches was negative for mutagenicity in the Ames/Salmonella assay and in vitro chromosome aberration assay using human lymphocytes. Positive results were seen with early batches of epinastine in two in vitro chromosomal aberration studies conducted in 1980s with human peripheral lymphocytes and with V79 cells, respectively. Epinastine was negative in the in vivo clastogenicity studies, including the mouse micronucleus assay and chromosome aberration assay in Chinese hamsters. Epinastine was also negative in the cell transformation assay using Syrian hamster embryo cells, V79/HGPRT mammalian cell point mutation assay, and in vivo/in vitro unscheduled DNA synthesis assay using rat primary hepatocytes.

    Epinastine had no effect on fertility of male rats. Decreased fertility in female rats was observed at an oral dose up to approximately 90,000 times the MROHD.

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  • 14 CLINICAL STUDIES

    Epinastine hydrochloride 0.05% has been shown to be significantly superior to vehicle for improving ocular itching in patients with allergic conjunctivitis in clinical studies using two different models: (1) conjunctival antigen challenge (CAC) where patients were dosed and then received antigen instilled into the inferior conjunctival fornix; and (2) environmental field studies where patients were dosed and evaluated during allergy season in their natural habitat. Results demonstrated a rapid onset of action for epinastine hydrochloride 0.05% within 3 to 5 minutes after conjunctival antigen challenge. Duration of effect was shown to be 8 hours, making a twice daily regimen suitable. This dosing regimen was shown to be safe and effective for up to 8 weeks, without evidence of tachyphylaxis.

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  • 16 HOW SUPPLIED/STORAGE AND HANDLING

    Epinastine hydrochloride ophthalmic solution 0.05% is supplied sterile in white opaque HDPE plastic bottles with natural LDPE sterile plug and sealed with white opaque HDPE pilfer-proof sterile caps as follows:

    5 mL in 10 mL bottle.................................NDC 62756-329-90

    Storage: Store at 20° to 25°C (68° to 77°F); excursions permitted between 15° and 30°C (59° and 86°F) [see USP Controlled Room Temperature].

    Keep bottle tightly closed and out of the reach of children.


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  • 17 PATIENT COUNSELING INFORMATION

    17.1 Sterility of Dropper Tip

    Patients should be advised not to touch dropper tip to any surface, as this may contaminate the contents (see WARNINGS AND PRECAUTIONS, 5.1).

    17.2 Concomitant Use of Contact Lenses

    Patients should be advised not to wear a contact lens if their eye is red. Patients should be advised that epinastine hydrochloride ophthalmic solution should not be used to treat contact lens-related irritation. Patients should also be advised to remove contact lenses prior to instillation of epinastine hydrochloride ophthalmic solution. The preservative in epinastine hydrochloride ophthalmic solution, benzalkonium chloride, may be absorbed by soft contact lenses. Lenses may be reinserted after 10 minutes following administration of epinastine hydrochloride ophthalmic solution.

    17.3 Topical Ophthalmic Use Only

    For topical ophthalmic administration only.

    Distributed by:
    Sun Pharmaceutical Industries, Inc.
    Cranbury, NJ 08512

    ISS: 09/2014
    PJPI0262B



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  • PACKAGE LABEL.PRINCIPAL DISPLAY PANEL


    NDC 62756-329-90
    Epinastine HCl Ophthalmic Solution
    0.05%
    FOR USE IN THE EYES ONLY
    Rx only
    5 mL
    SUN PHARMA


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  • INGREDIENTS AND APPEARANCE
    EPINASTINE HYDROCHLORIDE 
    epinastine hydrochloride solution
    Product Information
    Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:62756-329
    Route of Administration OPHTHALMIC
    Active Ingredient/Active Moiety
    Ingredient Name Basis of Strength Strength
    EPINASTINE HYDROCHLORIDE (UNII: GFM415S5XL) (EPINASTINE - UNII:Q13WX941EF) EPINASTINE HYDROCHLORIDE 0.5 mg  in 1 mL
    Inactive Ingredients
    Ingredient Name Strength
    BENZALKONIUM CHLORIDE (UNII: F5UM2KM3W7)  
    EDETATE DISODIUM (UNII: 7FLD91C86K)  
    SODIUM CHLORIDE (UNII: 451W47IQ8X)  
    SODIUM PHOSPHATE, MONOBASIC, DIHYDRATE (UNII: 5QWK665956)  
    SODIUM HYDROXIDE (UNII: 55X04QC32I)  
    HYDROCHLORIC ACID (UNII: QTT17582CB)  
    WATER (UNII: 059QF0KO0R)  
    Packaging
    # Item Code Package Description Marketing Start Date Marketing End Date
    1 NDC:62756-329-90 1 in 1 CARTON 11/01/2011
    1 5 mL in 1 BOTTLE; Type 0: Not a Combination Product
    Marketing Information
    Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
    ANDA ANDA091626 11/01/2011
    Labeler - Sun Pharmaceutical Industries, Inc. (146974886)
    Establishment
    Name Address ID/FEI Business Operations
    Sun Pharmaceutical Industries Limited 725959238 ANALYSIS(62756-329) , MANUFACTURE(62756-329)
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