Generic Name: bromfenac sodium
Dosage Form: ophthalmic solution
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The Xibrom brand name has been discontinued in the U.S. If generic versions of this product have been approved by the FDA, there may be generic equivalents available.
Xibrom (bromfenac ophthalmic solution) 0.09% is a sterile, topical, nonsteroidal anti-inflammatory drug (NSAID) for ophthalmic use. Each mL of Xibrom contains 1.035 mg bromfenac sodium (equivalent to 0.9 mg bromfenac free acid). Bromfenac sodium is designated chemically as sodium 2-amino-3-(4-bromobenzoyl) phenylacetate sesquihydrate, with an empirical formula of C15H11BrNNaO3 • 1½H2O. The structural formula of bromfenac sodium is:
Bromfenac sodium is a yellow to orange crystalline powder. The molecular weight of bromfenac sodium is 383.17. Xibrom ophthalmic solution is supplied as a sterile aqueous 0.09% solution, with a pH of 8.3. The osmolality of Xibrom ophthalmic solution is approximately 300 mOsmol/kg. Each mL of Xibrom ophthalmic solution contains: Active: bromfenac sodium hydrate 0.1035%. Inactives: benzalkonium chloride (0.05 mg/mL), boric acid, disodium edetate (0.2 mg/mL), polysorbate 80 (1.5 mg/mL), povidone (20 mg/mL), sodium borate, sodium sulfite anhydrous (2 mg/mL), sodium hydroxide to adjust the pH, and water for injection, USP.
Mechanism of Action:
Bromfenac is a nonsteroidal anti-inflammatory drug (NSAID) that has anti-inflammatory activity. The mechanism of its action is thought to be due to its ability to block prostaglandin synthesis by inhibiting cyclooxygenase 1 and 2.
Prostaglandins have been shown in many animal models to be mediators of certain kinds of intraocular inflammation. In studies performed in animal eyes, prostaglandins have been shown to produce disruption of the blood-aqueous humor barrier, vasodilation, increased vascular permeability, leukocytosis, and increased intraocular pressure.
The plasma concentration of bromfenac following ocular administration of 0.09% Xibrom (bromfenac ophthalmic solution) in humans is unknown. Based on the maximum proposed dose of one drop to each eye (0.09mg) and PK information from other routes of administration, the systemic concentration of bromfenac is estimated to be below the limit of quantification (50 ng/mL) at steady-state in humans.
Clinical efficacy was evaluated in two randomized, double-masked, vehicle-controlled U.S. trials in which subjects with a summed ocular inflammation score ≥3 after cataract surgery were assigned to Xibrom or vehicle in a 2:1 ratio following surgery. One drop of Xibrom or vehicle was self-instilled in the study eye twice a day for 14 days, beginning the day after surgery. The primary endpoint was reduction of ocular inflammation (to trace inflammation or clearing) assessed 14 days post-surgery using a slit lamp binocular microscope. In the intent-to-treat analyses of both studies, a significant effect of Xibrom on ocular inflammation after cataract surgery was demonstrated (62-66% vs. 40-48%). An additional efficacy endpoint was the time required for resolution of ocular pain in subjects who reported pain. Overall, only 20% of patients undergoing cataract surgery in these trials had pain on the first day after surgery. In these patients, the Xibrom group demonstrated a statistically significant difference in median time to resolution of ocular pain of 2 days compared to 4 days for patients receiving vehicle.
INDICATIONS AND USAGE
Xibrom ophthalmic solution is indicated for the treatment of postoperative inflammation and reduction of ocular pain in patients who have undergone cataract extraction.
Xibrom ophthalmic solution is contraindicated in patients with known hypersensitivity to any ingredient in the formulation.
Contains sodium sulfite, a sulfite that may cause allergic-type reactions including anaphylactic symptoms and life-threatening or less severe asthmatic episodes in certain susceptible people. The overall prevalence of sulfite sensitivity in the general population is unknown and probably low. Sulfite sensitivity is seen more frequently in asthmatic than in nonasthmatic people.
There is the potential for cross-sensitivity to acetylsalicylic acid, phenylacetic acid derivatives, and other NSAIDs. Therefore, caution should be used when treating individuals who have previously exhibited sensitivities to these drugs.
With some NSAIDs, there exists the potential for increased bleeding time due to interference with platelet aggregation. There have been reports that ocularly applied NSAIDs may cause increased bleeding of ocular tissues (including hyphemas) in conjunction with ocular surgery.
All topical nonsteroidal anti-inflammatory drugs (NSAIDs) may slow or delay healing. Topical corticosteroids are also known to slow or delay healing. Concomitant use of topical NSAIDs and topical steroids may increase the potential for healing problems.
Use of topical NSAIDs may result in keratitis. In some susceptible patients, continued use of topical NSAIDs may result in epithelial breakdown, corneal thinning, corneal erosion, corneal ulceration or corneal perforation. These events may be sight threatening. Patients with evidence of corneal epithelial breakdown should immediately discontinue use of topical NSAIDs and should be closely monitored for corneal health.
Postmarketing experience with topical NSAIDs suggests that patients with complicated ocular surgeries, corneal denervation, corneal epithelial defects, diabetes mellitus, ocular surface diseases (e.g., dry eye syndrome), rheumatoid arthritis, or repeat ocular surgeries within a short period of time may be at increased risk for corneal adverse events which may become sight threatening. Topical NSAIDs should be used with caution in these patients.
Postmarketing experience with topical NSAIDs also suggests that use more than 24 hours prior to surgery or use beyond 14 days post surgery may increase patient risk for the occurrence and severity of corneal adverse events.
It is recommended that Xibrom ophthalmic solution be used with caution in patients with known bleeding tendencies or who are receiving other medications which may prolong bleeding time.
Information for Patients:
Xibrom ophthalmic solution should not be administered while wearing contact lenses.
Carcinogenesis, Mutagenesis, Impairment of Fertility:
Long-term carcinogenicity studies in rats and mice given oral doses of bromfenac
up to 0.6 mg/kg/day (360 times the recommended human ophthalmic dose [RHOD] of 1.67 µg/kg in 60 kg person on a mg/kg/basis, assuming 100% absorbed) and 5.0 mg/kg/day (3000 times RHOD), respectively revealed no significant increases in tumor incidence.
Bromfenac did not show mutagenic potential in various mutagenicity studies, including the reverse mutation, chromosomal aberration, and micronucleus tests.
Bromfenac did not impair fertility when administered orally to male and female rats at doses up to 0.9 mg/kg/day and 0.3 mg/kg/day, respectively (540 and 180 times RHOD, respectively).
Pregnancy:Teratogenic Effects: Pregnancy Category C.
Reproduction studies performed in rats at oral doses up to 0.9 mg/kg/day (540 times RHOD) and in rabbits at oral doses up to 7.5 mg/kg/day (4500 times RHOD) revealed no evidence of teratogenicity due to bromfenac. However, 0.9mg/kg/day in rats caused embryo-fetal lethality, increased neonatal mortality, and reduced postnatal growth. Pregnant rabbits treated with 7.5 mg/kg/day caused increased post-implantation loss.
There are no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
Because of the known effects of prostaglandin biosynthesis-inhibiting drugs on the fetal cardiovascular system (closure of ductus arteriosus), the use of Xibrom ophthalmic solution during late pregnancy should be avoided.
Caution should be exercised when Xibrom ophthalmic solution is administered to a nursing woman.
Safety and efficacy in pediatric patients below the age of 18 have not been established.
There is no evidence that the efficacy or safety profiles for Xibrom differ in patients 65 years of age and older compared to younger adult patients.
The most commonly reported adverse experiences reported following use of Xibrom after cataract surgery include: abnormal sensation in eye, conjunctival hyperemia, eye irritation (including burning/stinging), eye pain, eye pruritus, eye redness, headache, and iritis. These events were reported in 2-7% of patients.
The following events have been identified during postmarketing use of bromfenac ophthalmic solution 0.09% in clinical practice. Because they are reported voluntarily from a population of unknown size, estimates of frequency cannot be made. The events, which have been chosen for inclusion due to either their seriousness, frequency of reporting, possible causal connection to topical bromfenac ophthalmic solution 0.09%, or a combination of these factors, include corneal erosion, corneal perforation, corneal thinning, and epithelial breakdown (see PRECAUTIONS, General: ).
Xibrom Dosage and Administration
For the treatment of postoperative inflammation in patients who have undergone cataract extraction, one drop of Xibrom ophthalmic solution should be applied to the affected eye(s) two times daily beginning 24 hours after cataract surgery and continuing through the first 2 weeks of the postoperative period.
How is Xibrom Supplied
Xibrom™ (bromfenac ophthalmic solution) 0.09% is supplied in a white LDPE plastic squeeze bottle with a 15 mm LDPE white dropper-tip and 15 mm polypropylene gray cap as follows:
5 mL in 10 cc container
2.5 mL in 7.5 cc container
Store at 15-25°C (59-77°F)
U.S. Patent No. 4,910,225
Manufactured for: ISTA Pharmaceuticals, Inc.
Irvine, CA 92618
by: Bausch & Lomb Incorporated
Tampa, FL 33637
Under license from: Senju Pharmaceutical Co., Ltd.
Osaka, Japan 541-0046
Revised November 2008
Printed in USA
COPYRIGHT© ISTA Pharmaceuticals, Inc. All rights reserved.
PRINCIPAL DISPLAY PANEL
Xibrom™(bromfenac ophthalmic solution) 0.09%
Sterile 2.5 mL
Each mL of Xibrom ophthalmic solution contains:
Active: bromfenac sodium hydrate 0.1035% equivalent to 0.09% bromfenac free acid.
Inactives: benzalkonium chloride (0.05 mg/mL), boric acid, disodium edetate (0.2 mg/mL), polysorbate 80 (1.5mg/mL), povidone (20mg/mL), sodium borate, sodium sulfite anhydrous (2mg/mL), sodium hydroxide to adjust the pH, and water for injection, USP.
This product is sterile when manufactured and should be dispensed in the original unopened container. Instruct patient on precautions to avoid contamination.
For topical application in the eye.
Usual adult dosage:
One drop in the affected eye(s) two times daily. See accompanying prescribing information.
Store at 15-25°C (59-77°F).
bromfenac sodium solution
|Labeler - Ista Pharmaceuticals, Inc (957212350)|
|Ista Pharmaceuticals, Inc||957212350||ANALYSIS|
|Bausch & Lomb Incorporated||222207751||ANALYSIS, MANUFACTURE|
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- Drug class: ophthalmic anti-inflammatory agents