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Ketorolac Ophthalmic Solution

Generic Name: ketorolac tromethamine
Dosage Form: ophthalmic solution

Medically reviewed by Drugs.com. Last updated on Nov 1, 2018.

Indications and Usage for Ketorolac Ophthalmic Solution

Ketorolac tromethamine ophthalmic solution is indicated for the reduction of ocular pain and burning/stinging following corneal refractive surgery.

Ketorolac Ophthalmic Solution Dosage and Administration

Recommended Dosing

The recommended dose of ketorolac tromethamine ophthalmic solution is one drop four times a day in the operated eye as needed for pain and burning/stinging for up to 4 days following corneal refractive surgery.

Use With Other Topical Ophthalmic Medications

Ketorolac tromethamine ophthalmic solution has been safely administered in conjunction with other topical ophthalmic medications such as alpha-agonists, antibiotics, beta-blockers, carbonic anhydrase inhibitors, cycloplegics, and mydriatics. Drops should be administered at least 5 minutes apart.

Dosage Forms and Strengths

10 mL size bottle filled with 5 mL of ketorolac tromethamine ophthalmic solution 0.4% (4 mg/mL).

Contraindications

Ketorolac tromethamine ophthalmic solution is contraindicated in patients with previously demonstrated hypersensitivity to any of the ingredients in the formulation.

Warnings and Precautions

Delayed Healing

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.

Cross-Sensitivity or Hypersensitivity

There is the potential for cross-sensitivity to acetylsalicylic acid, phenylacetic acid derivatives, and other NSAIDs. There have been reports of bronchospasm or exacerbation of asthma associated with the use of ketorolac tromethamine ophthalmic solution in patients who have either a known hypersensitivity to aspirin/non-steroidal anti-inflammatory drugs or a past medical history of asthma. Therefore, caution should be used when treating individuals who have previously exhibited sensitivities to these drugs.

Increased Bleeding Time

With some NSAIDs, there exists the potential for increased bleeding time due to interference with thrombocyte aggregation. There have been reports that ocularly applied nonsteroidal anti-inflammatory drugs may cause increased bleeding of ocular tissues (including hyphemas) in conjunction with ocular surgery.

It is recommended that ketorolac tromethamine ophthalmic solution be used with caution in patients with known bleeding tendencies or who are receiving other medications, which may prolong bleeding time.

Corneal Effects

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 1 day prior to surgery or use beyond 14 days post-surgery may increase patient risk for the occurrence and severity of corneal adverse events.

Contact Lens Wear

Ketorolac tromethamine should not be administered while wearing contact lenses.

Adverse Reactions

The following serious adverse reactions are described elsewhere in the labeling:


•      Delayed Healing [see Warnings and Precautions (5.1)]

•      Cross-Sensitivity or Hypersensitivity [see Warnings and Precautions (5.2)]

•      Increased Bleeding Time [see Warnings and Precautions (5.3)]

•      Corneal Effects [see Warnings and Precautions (5.4)]

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 adverse reactions for ketorolac tromethamine ophthalmic solution occurring in approximately 1 to 5% of the overall study population were conjunctival hyperemia, corneal infiltrates, headache, ocular edema, and ocular pain.

The most frequent adverse reactions reported with the use of ketorolac tromethamine ophthalmic solutions have been transient stinging and burning on instillation. These reactions were reported by up to 40% of patients participating in clinical trials.

Other adverse reactions occurring approximately in 1 to 10% of the time during treatment with other ketorolac tromethamine ophthalmic solutions included allergic reactions, corneal edema, iritis, ocular inflammation, ocular irritation, superficial keratitis, and superficial ocular infections.

Other adverse reactions reported rarely with the use of ketorolac tromethamine ophthalmic solutions included: corneal ulcer, eye dryness, and visual disturbance (blurry vision).

Postmarketing Experience

The following adverse reactions have been identified during postmarketing use of ketorolac tromethamine 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 topical ketorolac tromethamine ophthalmic solutions or a combination of these factors, include bronchospasm or exacerbation of asthma, corneal erosion, corneal perforation, corneal thinning and corneal melt, and epithelial breakdown [see Warnings and Precautions (5.2, 5.4)].

USE IN SPECIFIC POPULATIONS

Pregnancy

Risk Summary

There are no adequate or well-controlled studies with ketorolac tromethamine in pregnant women. No evidence of teratogenicity has been observed in rats or rabbits with ketorolac tromethamine at clinically relevant doses.

Lactation

Risk Summary

It is not known whether ketorolac when given topically is present in human milk. Because many drugs are excreted in human milk, caution should be exercised when ketorolac tromethamine is administered to a nursing woman.

Pediatric Use

Safety and effectiveness of ketorolac tromethamine in pediatric patients below the age of 3 have not been established.

Geriatric Use

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

Ketorolac Ophthalmic Solution Description

Ketorolac tromethamine ophthalmic solution 0.4% is a member of the pyrrolo-pyrrole group of nonsteroidal anti-inflammatory drugs (NSAIDs) for ophthalmic use. Its chemical name is (±)-5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid, compound with 2-amino-2-(hydroxymethyl)-1,3-propanediol (1:1), and its molecular weight is 376.40. Its molecular formula is C19H24N2O6 and it has the following structure:


Ketorolac tromethamine ophthalmic solution is supplied as a sterile, isotonic, clear colorless to slightly yellow aqueous 0.4% solution, with a pH of approximately 7.4. Ketorolac tromethamine ophthalmic solution contains a racemic mixture of R-(+) and S-(-)- ketorolac tromethamine. Ketorolac tromethamine may exist in three crystal forms. All forms are equally soluble in water. The pKa of ketorolac is 3.5. This white or almost white crystalline powder, melt between 165°C and 170°C, with decomposition. The osmolality of ketorolac tromethamine ophthalmic solution is 290 mOsmol/kg.

Each mL of ketorolac tromethamine ophthalmic solution contains: Active: ketorolac tromethamine USP 0.4%. Preservative: benzalkonium chloride 0.006%. Inactives: edetate disodium 0.015%; octoxynol 40; water for injection; sodium chloride; and hydrochloric acid and/or sodium hydroxide to adjust pH.

Ketorolac Ophthalmic Solution - Clinical Pharmacology

Mechanism of Action

Ketorolac tromethamine is a nonsteroidal anti-inflammatory drug which, when administered systemically, has demonstrated analgesic, anti-inflammatory, and anti-pyretic activity. The mechanism of its action is thought to be due to its ability to inhibit prostaglandin biosynthesis.

Pharmacokinetics

One drop of 0.5% ketorolac tromethamine ophthalmic solution was instilled into one eye and one drop of vehicle into the other eye TID in 26 healthy subjects. Five of 26 subjects had detectable concentrations of ketorolac in their plasma (range 11 to 23 ng/mL) at day 10 during topical ocular treatment.

Two drops of 0.5% ketorolac tromethamine ophthalmic solution instilled into the eyes of patients 12 hours and 1 hour prior to cataract extraction achieved a mean ketorolac concentration of 95 ng/mL in the aqueous humor of 8 of 9 eyes tested (range 40 to 170 ng/mL).

Clinical Studies

In two double-masked, multi-centered, parallel-group studies, 313 patients who had undergone photorefractive keratectomy received ketorolac tromethamine ophthalmic solution 0.4% or its vehicle QID for up to 4 days. Significant differences favored ketorolac tromethamine for the reduction of ocular pain and burning/stinging following photorefractive keratectomy surgery.

Results from clinical studies indicate that ketorolac tromethamine has no significant effect upon intraocular pressure.

The safety and effectiveness of ketorolac tromethamine in post-cataract surgery patients has not been established.

How Supplied/Storage and Handling

Ketorolac tromethamine ophthalmic solution 0.4% is a clear colorless to slightly yellow solution supplied in white opaque LDPE container with LDPE nozzle and gray color HDPE cap as follows:

       5 mL in 10 mL bottle                              NDC 65862-775-05

Storage:
Store at 20° - 25°C (68° - 77°F) [See USP Controlled Room Temperature]. Protect from light.

Patient Counseling Information

Slow or Delayed Healing

Inform patients of the possibility that slow or delayed healing may occur while using nonsteroidal anti-inflammatory drugs (NSAIDs).

Avoiding Contamination of the Product

Instruct patients to avoid allowing the tip of the bottle to contact the eye or surrounding structures because this could cause the tip to become contaminated by common bacteria known to cause ocular infections. Serious damage to the eye and subsequent loss of vision may result from using contaminated solutions.

Also, to avoid the potential for cross-contamination, the patient should be advised to use one bottle for each eye following bilateral ocular surgery. The use of the same bottle of topical eye drops for both eyes following bilateral ocular surgery is not recommended.

Contact Lens W
ear

Advise patients that ketorolac tromethamine ophthalmic solution should not be administered while wearing contact lenses.

Intercurrent Ocular Conditions

Advise patients that if they develop an intercurrent ocular condition (e.g., trauma or infection) or have ocular surgery, they should immediately seek their physician’s advice concerning the continued use of ketorolac tromethamine.

Concomitant Topical Ocular Therapy

Advise patients that if more than one topical ophthalmic medication is being used, the medicines should be administered at least 5 minutes apart.

Manufactured for:
Aurobindo Pharma USA, Inc.
2400 Route 130 North
Dayton, NJ 08810

Manufactured by:
Aurobindo Pharma Limited
IDA, Pashamylaram - 502307
India

PACKAGE LABEL-PRINCIPAL DISPLAY PANEL - 0.4% - Container Label

Rx Only        NDC 65862-775-05
Ketorolac Tromethamine
Ophthalmic Solution
0.4%
For Use in the Eyes Only

PACKAGE LABEL-PRINCIPAL DISPLAY PANEL - 0.4% - Container-Carton

Rx only               NDC 65862-775-05
Ketorolac
Tromethamine
Ophthalmic
Solution
0.4%
For Use in the Eyes Only
AUROBINDO

KETOROLAC TROMETHAMINE 
ketorolac tromethamine solution/ drops
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:65862-775
Route of Administration OPHTHALMIC DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
KETOROLAC TROMETHAMINE (KETOROLAC) KETOROLAC TROMETHAMINE 4 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
BENZALKONIUM CHLORIDE  
EDETATE DISODIUM  
OCTOXYNOL-40  
WATER  
SODIUM CHLORIDE  
HYDROCHLORIC ACID  
SODIUM HYDROXIDE  
Packaging
# Item Code Package Description
1 NDC:65862-775-05 1 BOTTLE in 1 CARTON
1 5 mL in 1 BOTTLE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA205191 11/15/2018
Labeler - Aurobindo Pharma Limited (650082092)
Establishment
Name Address ID/FEI Operations
Aurobindo Pharma Limited 650498244 ANALYSIS(65862-775), MANUFACTURE(65862-775)
 
Aurobindo Pharma Limited
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