OFLOXACIN- ofloxacin solution/ drops
Ofloxacin by
Drug Labeling and Warnings
Ofloxacin by is a Prescription medication manufactured, distributed, or labeled by Henry Schein Inc., Akorn Operating Company LLC, Akorn AG, Akorn. Drug facts, warnings, and ingredients follow.
Drug Details [pdf]
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DESCRIPTION
Ofloxacin Ophthalmic Solution USP, 0.3% is a sterile ophthalmic solution. It is a fluorinated carboxyquinolone anti-infective for topical ophthalmic use.
Chemical Name: (±)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido [1,2,3-de]-1,4-benzoxazine-6-carboxylic acid.
Contains: Active: ofloxacin 0.3% (3 mg/mL);
Preservative: benzalkonium chloride (0.005%);
Inactives: sodium chloride and water for injection. May also contain hydrochloric acid and/or sodium hydroxide to adjust pH.
Ofloxacin Ophthalmic Solution USP, 0.3% is unbuffered and formulated with a pH of 6.4 (range - 6.0 to 6.8). It has an osmolality of 300 mOsm/kg. Ofloxacin is a fluorinated 4-quinolone which differs from other fluorinated 4-quinolones in that there is a six member (pyridobenzoxazine) ring from positions 1 to 8 of the basic ring structure.
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CLINICAL PHARMACOLOGY
Pharmacokinetics: Serum, urine and tear concentrations of ofloxacin were measured in 30 healthy women at various time points during a ten-day course of treatment with ofloxacin ophthalmic solution. The mean serum ofloxacin concentration ranged from 0.4 ng/mL to 1.9 ng/mL. Maximum ofloxacin concentration increased from 1.1 ng/mL on day one to 1.9 ng/mL on day 11 after QID dosing for 10 1/2 days. Maximum serum ofloxacin concentrations after ten days of topical ophthalmic dosing were more than 1000 times lower than those reported after standard oral doses of ofloxacin.
Tear ofloxacin concentrations ranged from 5.7 to 31 mcg/g during the 40 minute period following the last dose on day 11. Mean tear concentration measured four hours after topical ophthalmic dosing was 9.2 mcg/g.
Corneal tissue concentrations of 4.4 mcg/mL were observed four hours after beginning topical ocular application of two drops of ofloxacin ophthalmic solution every 30 minutes. Ofloxacin was excreted in the urine primarily unmodified.
Microbiology: Ofloxacin has in vitro activity against a broad range of gram-positive and gram-negative aerobic and anaerobic bacteria. Ofloxacin is bactericidal at concentrations equal to or slightly greater than inhibitory concentrations. Ofloxacin is thought to exert a bactericidal effect on susceptible bacterial cells by inhibiting DNA gyrase, an essential bacterial enzyme which is a critical catalyst in the duplication, transcription, and repair of bacterial DNA.
Cross-resistance has been observed between ofloxacin and other fluoroquinolones. There is generally no cross-resistance between ofloxacin and other classes of antibacterial agents such as beta-lactams or aminoglycosides.
Ofloxacin has been shown to be active against most strains of the following organisms both in vitro and clinically, in conjunctival and/or corneal ulcer infections (see INDICATIONS AND USAGE).
*Efficacy for this organism was studied in fewer than 10 infections
AEROBES, GRAM-POSITIVE: AEROBES, GRAM-NEGATIVE: ANAEROBIC SPECIES: Staphylococcus aureus Enterobacter cloacae Propionibacterium acnes Staphylococcus epidermidis Haemophilus influenzae Streptococcus pneumoniae Proteus mirabilis Pseudomonas aeruginosa Serratia marcescens* The safety and effectiveness of ofloxacin ophthalmic solution in treating ophthalmologic infections due to the following organisms have not been established in adequate and well-controlled clinical trials. Ofloxacin ophthalmic solution has been shown to be active in vitro against most strains of these organisms but the clinical significance in ophthalmologic infections is unknown.
AEROBES, GRAM-POSITIVE: AEROBES, GRAM-NEGATIVE: OTHER: Enterococcus faecalis Acinetobacter calcoaceticus var. anitratus Chlamydia trachomatis Listeria monocytogenes Acinetobacter calcoaceticus var. lwoffii Staphylococcus capitis Citrobacter diversus Staphylococcus hominus Citrobacter freundii Staphylococcus simulans Enterobacter aerogenes Streptococcus pyogenes Enterobacter agglomerans Escherichia coli Haemophilus parainfluenzae Klebsiella oxytoca Klebsiella pneumoniae Moraxella (Branhamella) catarrhalis Moraxella lacunata Morganella morganii Neisseria gonorrhoeae Pseudomonas acidovorans Pseudomonas fluorescens Shigella sonnei Clinical Studies:
Conjunctivitis: In a randomized, double-masked, multi-center clinical trial, ofloxacin ophthalmic solution was superior to its vehicle after 2 days of treatment in patients with conjunctivitis and positive conjunctival cultures. Clinical outcomes for the trial demonstrated a clinical improvement rate of 86% (54/63) for the ofloxacin treated group versus 72% (48/67) for the placebo treated group after 2 days of therapy. Microbiological outcomes for the same clinical trial demonstrated an eradication rate for causative pathogens of 65% (41/63) for the ofloxacin treated group versus 25% (17/67) for the vehicle treated group after 2 days of therapy. Please note that microbiologic eradication does not always correlate with clinical outcome in anti-infective trials.
Corneal Ulcers: In a randomized, double-masked, multi-center clinical trial of 140 subjects with positive cultures, ofloxacin ophthalmic solution treated subjects had an overall clinical success rate (complete re-epithelialization and no progression of the infiltrate for two consecutive visits) of 82% (61/74) compared to 80% (53/66) for the fortified antibiotic group, consisting of 1.5% tobramycin and 10% cefazolin solutions. The median time to clinical success was 11 days for the ofloxacin treated group and 10 days for the fortified treatment group.
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INDICATIONS AND USAGE
Ofloxacin ophthalmic solution is indicated for the treatment of infections caused by susceptible strains of the following bacteria in the conditions listed below:
CONJUNCTIVITIS:
Gram-positive bacteria: Gram-negative bacteria: Staphylococcus aureus Enterobacter cloacae Staphylococcus epidermidis Haemophilus influenzae Streptococcus pneumoniae Proteus mirabilis Pseudomonas aeruginosa CORNEAL ULCERS:
Gram-positive bacteria: Gram-negative bacteria: Anaerobic species: Staphylococcus aureus Pseudomonas aeruginosa Propionibacterium acnes Staphylococcus epidermidis Serratia marcescens* Streptococcus pneumoniae *Efficacy for this organism was studied in fewer than 10 infections
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CONTRAINDICATIONS
Ofloxacin ophthalmic solution is contraindicated in patients with a history of hypersensitivity to ofloxacin, to other quinolones, or to any of the components in this medication (see WARNINGS).
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WARNINGS
NOT FOR INJECTION.
Ofloxacin ophthalmic solution should not be injected subconjunctivally, nor should it be introduced directly into the anterior chamber of the eye.
There are rare reports of anaphylactic reaction/shock and fatal hypersensitivity reactions in patients receiving systemic quinolones, some following the first dose, including ofloxacin. Some reactions were accompanied by cardiovascular collapse, loss of consciousness, angioedema (including laryngeal, pharyngeal or facial edema), airway obstruction, dyspnea, urticaria, and itching. A rare occurrence of Stevens-Johnson syndrome, which progressed to toxic epidermal necrolysis, has been reported in a patient who was receiving topical ophthalmic ofloxacin. If an allergic reaction to ofloxacin occurs, discontinue the drug. Serious acute hypersensitivity reactions may require immediate emergency treatment. Oxygen and airway management, including intubation should be administered as clinically indicated.
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PRECAUTIONS
General: As with other anti-infectives, prolonged use may result in overgrowth of nonsusceptible organisms, including fungi. If superinfection occurs discontinue use and institute alternative therapy. Whenever clinical judgment dictates, the patient should be examined with the aid of magnification, such as slit lamp biomicroscopy and, where appropriate, fluorescein staining. Ofloxacin should be discontinued at the first appearance of a skin rash or any other sign of hypersensitivity reaction.
The systemic administration of quinolones, including ofloxacin, has led to lesions or erosions of the cartilage in weight-bearing joints and other signs of arthropathy in immature animals of various species. Ofloxacin, administered systemically at 10 mg/kg/day in young dogs (equivalent to 110 times the maximum recommended daily adult ophthalmic dose) has been associated with these types of effects.
Information for Patients: Avoid contaminating the applicator tip with material from the eye, fingers or other source.
Systemic quinolones, including ofloxacin, have been associated with hypersensitivity reactions, even following a single dose. Discontinue use immediately and contact your physician at the first sign of a rash or allergic reaction.
Drug Interactions: Specific drug interaction studies have not been conducted with ofloxacin ophthalmic solution. However, the systemic administration of some quinolones has been shown to elevate plasma concentrations of theophylline, interfere with the metabolism of caffeine, and enhance the effects of the oral anticoagulant warfarin and its derivatives, and has been associated with transient elevations in serum creatinine in patients receiving cyclosporine concomitantly.
Carcinogenesis, Mutagenesis, Impairment of Fertility: Long term studies to determine the carcinogenic potential of ofloxacin have not been conducted.
Ofloxacin was not mutagenic in the Ames test, in vitro and in vivo cytogenic assay, sister chromatid exchange assay (Chinese hamster and human cell lines), unscheduled DNA synthesis (UDS) assay using human fibroblasts, the dominant lethal assay, or mouse micronucleus assay. Ofloxacin was positive in the UDS test using rat hepatocyte, and in the mouse lymphoma assay.
In fertility studies in rats, ofloxacin did not affect male or female fertility or morphological or reproductive performance at oral dosing up to 360 mg/kg/day (equivalent to 4000 times the maximum recommended daily ophthalmic dose).
Pregnancy:
Teratogenic Effects: Ofloxacin has been shown to have an embryocidal effect in rats and in rabbits when given in doses of 810 mg/kg/day (equivalent to 9000 times the maximum recommended daily ophthalmic dose) and 160 mg/kg/day (equivalent to 1800 times the maximum recommended daily ophthalmic dose). These dosages resulted in decreased fetal body weight and increased fetal mortality in rats and rabbits, respectively. Minor fetal skeletal variations were reported in rats receiving doses of 810 mg/kg/day. Ofloxacin has not been shown to be teratogenic at doses as high as 810 mg/kg/day and 160 mg/kg/day when administered to pregnant rats and rabbits, respectively.
Nonteratogenic Effects: Additional studies in rats with doses up to 360 mg/kg/day during late gestation showed no adverse effect on late fetal development, labor, delivery, lactation, neonatal viability, or growth of the newborn.
There are, however, no adequate and well-controlled studies in pregnant women. Ofloxacin ophthalmic solution should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
Nursing Mothers: In nursing women a single 200 mg oral dose resulted in concentrations of ofloxacin in milk which were similar to those found in plasma. It is not known whether ofloxacin is excreted in human milk following topical ophthalmic administration. Because of the potential for serious adverse reactions from ofloxacin in nursing infants, 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: Safety and effectiveness in infants below the age of one year have not been established.
Quinolones, including ofloxacin, have been shown to cause arthropathy in immature animals after oral administration; however, topical ocular administration of ofloxacin to immature animals has not shown any arthropathy. There is no evidence that the ophthalmic dosage form of ofloxacin has any effect on weight bearing joints.
Geriatric Use: No overall differences in safety or effectiveness have been observed between elderly and younger patients.
ADVERSE REACTIONS
Ophthalmic Use: The most frequently reported drug-related adverse reaction was transient ocular burning or discomfort. Other reported reactions include stinging, redness, itching, chemical conjunctivitis/keratitis, ocular/periocular/facial edema, foreign body sensation, photophobia, blurred vision, tearing, dryness, and eye pain. Rare reports of dizziness and nausea have been received.
Refer to WARNINGS for additional adverse reactions.
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DOSAGE AND ADMINISTRATION
The recommended dosage regimen for the treatment of bacterial conjunctivitis is:
Days 1 and 2 Instill one to two drops every two to four hours in the affected eye(s). Days 3 through 7 Instill one to two drops four times daily. The recommended dosage regimen for the treatment of bacterial corneal ulcer is:
Days 1 and 2 Instill one to two drops into the affected eye every 30 minutes, while awake. Awaken at approximately four and six hours after retiring and instill one to two drops. Days 3 through 7 to 9 Instill one to two drops hourly, while awake. Days 7 to 9 through treatment completion Instill one to two drops, four times daily. -
HOW SUPPLIED
Ofloxacin Ophthalmic Solution USP, 0.3% is supplied sterile in plastic dropper bottles of the following sizes:
10 mL - NDC: 0404-7189-01
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PRINCIPAL DISPLAY PANEL
Principal Display Panel Text for Container Label:
HENRY SCHEIN Logo
NDC: 0404-7189-01
112-7189
OFLOXACIN
OPHTHALMIC
SOLUTION, USP
0.3%
Sterile Rx only 10 mL
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PRINCIPAL DISPLAY PANEL
Principal Display Panel Text for Carton Label:
HENRY SCHEIN Logo
NDC: 0404-7189-01
112-7189
OFLOXACIN
OPHTHALMIC
SOLUTION, USP
0.3%
Sterile Ophthalmic
Solution
Sterile
Rx only 10 mL
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INGREDIENTS AND APPEARANCE
OFLOXACIN
ofloxacin solution/ dropsProduct Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC: 0404-7189 Route of Administration OPHTHALMIC Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength Ofloxacin (UNII: A4P49JAZ9H) (Ofloxacin - UNII:A4P49JAZ9H) Ofloxacin 3 mg in 1 mL Inactive Ingredients Ingredient Name Strength Sodium Chloride (UNII: 451W47IQ8X) Sodium Hydroxide (UNII: 55X04QC32I) Hydrochloric Acid (UNII: QTT17582CB) Water (UNII: 059QF0KO0R) Benzalkonium Chloride (UNII: F5UM2KM3W7) Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC: 0404-7189-01 1 in 1 CARTON 05/13/2015 1 10 mL in 1 BOTTLE, DROPPER; Type 0: Not a Combination Product Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA076407 05/13/2015 Labeler - Henry Schein Inc. (012430880) Registrant - Akorn, Inc. (062649876) Establishment Name Address ID/FEI Business Operations Akorn AG 482198285 MANUFACTURE(0404-7189) , ANALYSIS(0404-7189) , PACK(0404-7189) , LABEL(0404-7189) Establishment Name Address ID/FEI Business Operations Akorn, Inc. 063434679 PACK(0404-7189) , LABEL(0404-7189) Establishment Name Address ID/FEI Business Operations Akorn, Inc. 155135783 MANUFACTURE(0404-7189) , ANALYSIS(0404-7189) , STERILIZE(0404-7189)
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