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Name:Ketorolac Tromethamine
Manufacturer:Sun Pharma Global Inc.
Category:Prescription Marketed Drugs


Ketorolac Tromethamine Ophthalmic Solution 0.5% Sterile

KETOROLAC TROMETHAMINE  - ketorolac tromethamine solution 
Sun Pharma Global Inc.

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Ketorolac Tromethamine Ophthalmic Solution 0.5% Sterile

DESCRIPTION

Ketorolac tromethamine ophthalmic solution 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 it has the following structure:

ketorolac-structure

Ketorolac tromethamine ophthalmic solution is supplied as a sterile isotonic aqueous 0.5% solution, with a pH of 7.4. Ketorolac tromethamine ophthalmic solution is 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 to off-white crystalline substance discolors on prolonged exposure to light. The molecular weight of ketorolac tromethamine is 376.41. The osmolality of ketorolac tromethamine ophthalmic solution is 290 mOsmol/kg.

Each mL of ketorolac tromethamine ophthalmic solution contains: Active:  ketorolac tromethamine USP 0.5%.  Preservative: benzalkonium chloride solution (50%) USP-NF 0.02%.  Inactives: edetate disodium USP 0.1%; octoxynol 40; water for injection USP; sodium chloride USP; hydrochloric acid NF and/or sodium hydroxide NF to adjust the pH.

CLINICAL PHARMACOLOGY

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.  Ketorolac tromethamine given systemically does not cause pupil constriction.

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.  Prostaglandins also appear to play a role in the miotic response produced during ocular surgery by constricting the iris sphincter independently of cholinergic mechanisms.

Two drops (0.1 mL) of 0.5% ketorolac tromethamine ophthalmic solution instilled into the eyes of patients 12 hours and 1 hour prior to cataract extraction achieved measurable levels in 8 of 9 patients’ eyes (mean ketorolac concentration 95 ng/mL aqueous humor, range 40 to 170 ng/mL). Ocular administration of ketorolac tromethamine reduces prostaglandin E2 (PGE2) levels in aqueous humor. The mean concentration of PGE2 was 80 pg/mL in the aqueous humor of eyes receiving vehicle and 28 pg/mL in the eyes receiving ketorolac tromethamine 0.5% ophthalmic solution.

One drop (0.05 mL) of 0.5% ketorolac tromethamine ophthalmic solution was instilled into one eye and one drop of vehicle into the other eye TID in 26 normal subjects.  Only 5 of 26 subjects had a detectable amount of ketorolac in their plasma (range 10.7 to 22.5 ng/mL) at Day 10 during topical ocular treatment. When ketorolac tromethamine 10 mg is administered systemically every 6 hours, peak plasma levels at steady state are around 960 ng/mL.

Two controlled clinical studies showed that ketorolac tromethamine ophthalmic solution was significantly more effective than its vehicle in relieving ocular itching caused by seasonal allergic conjunctivitis.

Two controlled clinical studies showed that patients treated for two weeks with ketorolac tromethamine ophthalmic solution were less likely to have measurable signs of inflammation (cell and flare) than patients treated with its vehicle.

Results from clinical studies indicate that ketorolac tromethamine has no significant effect upon intraocular pressure; however, changes in intraocular pressure may occur following cataract surgery.

INDICATIONS AND USAGE

Ketorolac tromethamine ophthalmic solution is indicated for the temporary relief of ocular itching due to seasonal allergic conjunctivitis.  Ketorolac tromethamine ophthalmic solution is also indicated for the treatment of postoperative inflammation in patients who have undergone cataract extraction.

CONTRAINDICATIONS

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

WARNINGS

There is the potential for cross-sensitivity to acetylsalicylic acid, phenylacetic acid derivatives, and other nonsteroidal anti-inflammatory agents. Therefore, caution should be used when treating individuals who have previously exhibited sensitivities to these drugs.

With some nonsteroidal anti-inflammatory drugs, 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.

PRECAUTIONS


General: 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 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.

Information for Patients: Ketorolac tromethamine ophthalmic solution should not be administered while wearing contact lenses.

Carcinogenesis, Mutagenesis, Impairment of Fertility:  Ketorolac tromethamine was not carcinogenic in rats given up to 5 mg/kg/day orally for 24 months (151 times the maximum recommended human topical ophthalmic dose, on a mg/kg basis, assuming 100% absorption in humans and animals) nor in mice given 2 mg/kg/day orally for 18 months (60 times the maximum recommended human topical ophthalmic dose, on a mg/kg basis, assuming 100% absorption in humans and animals).

Ketorolac tromethamine was not mutagenic in vitro in the Ames assay or in forward mutation assays. Similarly, it did not result in an in vitro increase in unscheduled DNA synthesis or an in vivo increase in chromosome breakage in mice. However, ketorolac tromethamine did result in an increased incidence in chromosomal aberrations in Chinese hamster ovary cells.

Ketorolac tromethamine did not impair fertility when administered orally to male and female rats at doses up to 272 and 484 times the maximum recommended human topical ophthalmic dose, respectively, on a mg/kg basis, assuming 100% absorption in humans and animals.

Pregnancy: Teratogenic Effects: Pregnancy Category C. Ketorolac tromethamine, administered during organogenesis, was not teratogenic in rabbits or rats at oral doses up to 109 times and 303 times the maximum recommended human topical ophthalmic dose, respectively, on a mg/kg basis assuming 100% absorption in humans and animals. When administered to rats after Day 17 of gestation at oral doses up to 45 times the maximum recommended human topical ophthalmic dose, respectively, on a mg/kg basis, assuming 100% absorption in humans and animals, ketorolac tromethamine resulted in dystocia and increased pup mortality. There are no adequate and well-controlled studies in pregnant women. Ketorolac tromethamine ophthalmic solution should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

Nonteratogenic Effects: Because of the known effects of prostaglandin-inhibiting drugs on the fetal cardiovascular system (closure of the ductus arteriosus), the use of ketorolac tromethamine ophthalmic solution during late pregnancy should be avoided.

Nursing Mothers: Caution should be exercised when ketorolac tromethamine ophthalmic solution is administered to a nursing woman.

Pediatric Use: Safety and efficacy 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 younger patients.

ADVERSE REACTIONS

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

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

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

Clinical Practice:  The following events have been identified during postmarketing use of ketorolac tromethamine ophthalmic solution 0.5% 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 ketorolac tromethamine ophthalmic solution 0.5% or a combination of these factors, include corneal erosion, corneal perforation, corneal thinning, and epithelial breakdown (see PRECAUTIONS, General).

DOSAGE AND ADMINISTRATION

The recommended dose of ketorolac tromethamine ophthalmic solution is one drop (0.25 mg) four times a day for relief of ocular itching due to seasonal allergic conjunctivitis.

For the treatment of postoperative inflammation in patients who have undergone cataract extraction, one drop of ketorolac tromethamine ophthalmic solution should be applied to the affected eye(s) four times daily beginning 24 hours after cataract surgery and continuing through the first 2 weeks of the postoperative period.

Ketorolac tromethamine ophthalmic solution has been safely administered in conjunction with other ophthalmic medications such as antibiotics, beta blockers, carbonic anhydrase inhibitors, cycloplegics, and mydriatics.

HOW SUPPLIED

Ketorolac tromethamine ophthalmic solution is supplied sterile in white opaque LDPE dropper bottles with white opaque plug and sealed with gray pantone opaque pilfer-proof caps as follows:

3 mL in 5 mL bottle NDC 41616-219-90
5 mL in 5 mL bottle NDC 41616-220-90
10 mL in 10 mL bottle NDC 41616-221-90

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] with protection from light.

Distributed by:
Caraco Pharmaceutical Laboratories, Ltd.
1150 Elijah McCoy Drive, Detroit, MI 48202

Manufactured at:
Sun Pharmaceutical Ind. Ltd.
Halol-Baroda Highway,
Halol-389 350, Gujarat, India.

ISS. 09/2009
PJPI0270

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - Label - 3 mL

NDC 41616-219-90
Ketorolac Tromethamine Ophthalmic Solution
0.5%
Rx only
3 mL

ketorolac-label-3ml

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - Carton - 3 mL

NDC 41616-219-90
Ketorolac Tromethamine Ophthalmic Solution
0.5%
FOR USE IN THE EYES ONLY
3 mL
Rx only
SUN PHARMACEUTICAL INDUSTRIES LTD.

ketorolac-carton-3ml


PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - Label - 5 mL

NDC 41616-220-90
Ketorolac Tromethamine Ophthalmic Solution
0.5%
Rx only
5 mL

ketorolac-label-5ml

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - Carton - 5 mL

NDC 41616-220-90
Ketorolac Tromethamine Ophthalmic Solution
0.5%
FOR USE IN THE EYES ONLY
5 mL
Rx only
SUN PHARMACEUTICAL INDUSTRIES LTD.

ketorolac-carton-5ml


PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - Label - 10 mL

NDC 41616-221-90
Ketorolac Tromethamine Ophthalmic Solution
0.5%
Rx only
10 mL

ketorolac-label-10ml

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL - Carton - 10 mL

NDC 41616-221-90
Ketorolac Tromethamine Ophthalmic Solution
0.5%
FOR USE IN THE EYES ONLY
10 mL
Rx only
SUN PHARMACEUTICAL INDUSTRIES LTD.

ketorolac-carton-10ml


KETOROLAC TROMETHAMINE 
ketorolac tromethamine solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:41616-219
Route of Administration OPHTHALMIC DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
KETOROLAC TROMETHAMINE (KETOROLAC) KETOROLAC TROMETHAMINE 5 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
EDETATE DISODIUM  
SODIUM CHLORIDE  
BENZALKONIUM CHLORIDE  
HYDROCHLORIC ACID  
SODIUM HYDROXIDE  
WATER  
Product Characteristics
Color      Score     
Shape Size
Flavor Imprint Code
Contains     
Packaging
# Item Code Package Description Multilevel Packaging
1 NDC:41616-219-90 3 mL in 1 BOTTLE None

Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA090017 11/06/2009

KETOROLAC TROMETHAMINE 
ketorolac tromethamine solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:41616-220
Route of Administration OPHTHALMIC DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
KETOROLAC TROMETHAMINE (KETOROLAC) KETOROLAC TROMETHAMINE 5 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
EDETATE DISODIUM  
SODIUM CHLORIDE  
BENZALKONIUM CHLORIDE  
HYDROCHLORIC ACID  
SODIUM HYDROXIDE  
WATER  
Product Characteristics
Color      Score     
Shape Size
Flavor Imprint Code
Contains     
Packaging
# Item Code Package Description Multilevel Packaging
1 NDC:41616-220-90 5 mL in 1 BOTTLE None

Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA090017 11/06/2009

KETOROLAC TROMETHAMINE 
ketorolac tromethamine solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:41616-221
Route of Administration OPHTHALMIC DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
KETOROLAC TROMETHAMINE (KETOROLAC) KETOROLAC TROMETHAMINE 5 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
EDETATE DISODIUM  
SODIUM CHLORIDE  
BENZALKONIUM CHLORIDE  
HYDROCHLORIC ACID  
SODIUM HYDROXIDE  
WATER  
Product Characteristics
Color      Score     
Shape Size
Flavor Imprint Code
Contains     
Packaging
# Item Code Package Description Multilevel Packaging
1 NDC:41616-221-90 10 mL in 1 BOTTLE None

Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA090017 11/06/2009

Labeler - Sun Pharma Global Inc. (865367643)
Establishment
Name Address ID/FEI Operations
Sun Pharmaceutical Industries Limited 725959238 manufacture, analysis

Revised: 10/2009 Sun Pharma Global Inc.



Source: http://dailymed.nlm.nih.gov
Reproduced with permission of U.S. National Library of Medicine


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