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Loteprednol Eye Gel

Generic Name: loteprednol etabonate
Dosage Form: ophthalmic gel

Medically reviewed by Drugs.com. Last updated on Jan 1, 2021.

Indications and Usage for Loteprednol Eye Gel

Loteprednol etabonate ophthalmic gel is a corticosteroid indicated for the treatment of post-operative inflammation and pain following ocular surgery.

Loteprednol Eye Gel Dosage and Administration

Invert closed bottle and shake once to fill tip before instilling drops.

Apply one to two drops of loteprednol etabonate ophthalmic gel into the conjunctival sac of the affected eye four times daily beginning the day after surgery and continuing throughout the first 2 weeks of the post-operative period.

Dosage Forms and Strengths

Loteprednol etabonate ophthalmic gel is a sterile preserved ophthalmic gel 0.5% containing 5 mg of loteprednol etabonate per gram of gel.

Contraindications

Loteprednol etabonate ophthalmic gel is contraindicated in most viral diseases of the cornea and conjunctiva including epithelial herpes simplex keratitis (dendritic keratitis), vaccinia, and varicella, in mycobacterial infection of the eye and fungal diseases of ocular structures.

Warnings and Precautions

Intraocular Pressure (IOP) Increase

Prolonged use of corticosteroids, including loteprednol etabonate ophthalmic gel, may result in glaucoma with damage to the optic nerve, defects in visual acuity and fields of vision. Steroids should be used with caution in the presence of glaucoma. If this product is used for 10 days or longer, intraocular pressure should be monitored.

Cataracts

Use of corticosteroids may result in posterior subcapsular cataract formation.

Delayed Healing

The use of steroids after cataract surgery may delay healing and increase the incidence of bleb formation. In those diseases causing thinning of the cornea or sclera, perforations have been known to occur with the use of topical steroids. The initial prescription and renewal of the medication order should be made by a physician only after examination of the patient with the aid of magnification such as slit lamp biomicroscopy and, where appropriate, fluorescein staining.

Bacterial Infections

Prolonged use of corticosteroids may suppress the host response and thus increase the hazard of secondary ocular infections. In acute purulent conditions of the eye, steroids may mask infection or enhance existing infection.

Viral Infections

Employment of a corticosteroid medication in the treatment of patients with a history of herpes simplex requires great caution. Use of ocular steroids may prolong the course and may exacerbate the severity of many viral infections of the eye (including herpes simplex).

Fungal Infections

Fungal infections of the cornea are particularly prone to develop coincidentally with long-term local steroid application. Fungus invasion must be considered in any persistent corneal ulceration where a steroid has been used or is in use. Fungal cultures should be taken when appropriate.

Contact Lens Wear

Patients should not wear contact lenses during their course of therapy with loteprednol etabonate ophthalmic gel.

Adverse Reactions

Adverse reactions associated with ophthalmic steroids include elevated intraocular pressure, which may be associated with infrequent optic nerve damage, visual acuity and field defects, posterior subcapsular cataract formation, delayed wound healing and secondary ocular infection from pathogens including herpes simplex, and perforation of the globe where there is thinning of the cornea or sclera.

The most common adverse drug reactions reported in the clinical trials (2 to 5%) were anterior chamber inflammation, eye pain, and foreign body sensation.

USE IN SPECIFIC POPULATIONS

Pregnancy

Risk Summary

There are no adequate and well-controlled studies with loteprednol etabonate in pregnant women.

Loteprednol etabonate produced teratogenicity at clinically relevant doses in the rabbit and rat when administered orally during pregnancy. Loteprednol etabonate produced malformations when administered orally to pregnant rabbits at doses ≥ 1.2 times the recommended human ophthalmic dose (RHOD) and to pregnant rats at doses ≥ 30 times the RHOD. In pregnant rats receiving oral doses of loteprednol etabonate during the period equivalent to the last trimester of pregnancy through lactation in humans, survival of offspring was reduced at doses ≥ 3 times the RHOD. Maternal toxicity was observed in rats at doses ≥ 304 times the RHOD, and a maternal no observed adverse effect level (NOAEL) was established at 30 times the RHOD.

The background risk of major birth defects and miscarriage for the indicated population is unknown. However, the background risk in the U.S. general population of major birth defects is 2 to 4%, and of miscarriage is 15 to 20%, of clinically recognized pregnancies.

Data

Animal Data

Embryofetal studies were conducted in pregnant rabbits administered loteprednol etabonate by oral gavage on gestation days 6 to 18, to target the period of organogenesis. Loteprednol etabonate produced fetal malformations at doses ≥ 0.1 mg/kg (1.2 times the recommended human ophthalmic dose (RHOD) based on body surface area, assuming 100% absorption). Spina bifida (including meningocele) was observed at doses ≥ 0.1 mg/kg, and exencephaly and craniofacial malformations were observed at doses ≥ 0.4 mg/kg (4.9 times the RHOD). At 3 mg/kg (36 times the RHOD), loteprednol etabonate was associated with increased incidences of abnormal left common carotid artery, limb flexures, umbilical hernia, scoliosis, and delayed ossification. Abortion and embryofetal lethality (resorption) occurred at doses ≥ 6 mg/kg (73 times the RHOD). A NOAEL for developmental toxicity was not established in this study. The NOAEL for maternal toxicity in rabbits was 3 mg/kg/day.

Embryofetal studies were conducted in pregnant rats administered loteprednol etabonate by oral gavage on gestation days 6 to 15, to target the period of organogenesis. Loteprednol etabonate produced fetal malformations, including absent innominate artery at doses ≥ 5 mg/kg (30 times the RHOD); and cleft palate, agnathia, cardiovascular defects, umbilical hernia, decreased fetal body weight and decreased skeletal ossification at doses ≥ 50 mg/kg (304 times the RHOD). Embryofetal lethality (resorption) was observed at 100 mg/kg (608 times the RHOD). The NOAEL for developmental toxicity in rats was 0.5 mg/kg (3 times the RHOD). Loteprednol etabonate was maternally toxic (reduced body weight gain) at doses of ≥ 50 mg/kg/day. The NOAEL for maternal toxicity was 5 mg/kg.

A peri-/postnatal study was conducted in rats administered loteprednol etabonate by oral gavage from gestation day 15 (start of fetal period) to postnatal day 21 (the end of lactation period). At doses ≥ 0.5 mg/kg (3 times the clinical dose), reduced survival was observed in live-born offspring. Doses ≥ 5 mg/kg (30 times the RHOD) caused umbilical hernia/incomplete gastrointestinal tract. Doses ≥ 50 mg/kg (304 times the RHOD) produced maternal toxicity (reduced body weight gain, death), decreased number of live-born offspring, decreased birth weight, and delays in postnatal development. A developmental NOAEL was not established in this study. The NOAEL for maternal toxicity was 5 mg/kg.

Lactation

There are no data on the presence of loteprednol etabonate in human milk, the effects on the breastfed infant, or the effects on milk production. The developmental and health benefits of breastfeeding should be considered, along with the mother's clinical need for loteprednol etabonate ophthalmic gel and any potential adverse effects on the breastfed infant from loteprednol etabonate ophthalmic gel.

Pediatric Use

Pediatric use information is approved for Bausch and Lomb Inc.'s LOTEMAX (loteprednol etabonate) ophthalmic gel. However, due to Bausch and Lomb Inc.'s marketing exclusivity rights, this drug product is not labeled with the pediatric information.

Geriatric Use

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

Loteprednol Eye Gel Description

Loteprednol etabonate is a corticosteroid. Its chemical name is chloromethyl 17α- [(ethoxycarbonyl)oxy]-11β-hydroxy-3-oxoandrosta-1,4-diene-17β-carboxylate. Its molecular formula is C24H31ClO7 and its chemical structure is:

Loteprednol etabonate ophthalmic gel 0.5% contains a sterile, topical corticosteroid for ophthalmic use. Loteprednol etabonate is a white to off-white powder.

Each gram contains: ACTIVE: loteprednol etabonate 5 mg (0.5%)

INACTIVES: boric acid, edetate disodium dihydrate, glycerin, polycarbophil, propylene glycol, sodium chloride, tyloxapol, water for injection, and sodium hydroxide to adjust to a pH of between 6 and 7

PRESERVATIVE: benzalkonium chloride 0.003%

Loteprednol Eye Gel - Clinical Pharmacology

Mechanism of Action

Corticosteroids inhibit the inflammatory response to a variety of inciting agents and probably delay or slow healing. They inhibit the edema, fibrin deposition, capillary dilation, leukocyte migration, capillary proliferation, fibroblast proliferation, deposition of collagen, and scar formation associated with inflammation. While glucocorticoids are known to bind to and activate the glucocorticoid receptor, the molecular mechanisms involved in glucocorticoid/glucocorticoid receptor-dependent modulation of inflammation are not clearly established. However, corticosteroids are thought to inhibit prostaglandin production through several independent mechanisms.

Pharmacokinetics

Loteprednol etabonate is lipid soluble and can penetrate into cells. Loteprednol etabonate is synthesized through structural modifications of prednisolone-related compounds so that it will undergo a predictable transformation to an inactive metabolite. Based upon in vivo and in vitro preclinical metabolism studies, loteprednol etabonate undergoes extensive metabolism to the inactive carboxylic acid metabolites, PJ-91 and PJ-90. The systemic exposure to loteprednol etabonate following ocular administration of loteprednol etabonate ophthalmic gel has not been studied in humans.

Nonclinical Toxicology

Carcinogenesis, Mutagenesis, Impairment of Fertility

Long-term animal studies have not been conducted to evaluate the carcinogenic potential of loteprednol etabonate. Loteprednol etabonate was not genotoxic in vitro in the Ames test, the mouse lymphoma tk assay, or in a chromosome aberration test in human lymphocytes, or in vivo in the single dose mouse micronucleus assay.

Treatment of female and male rats with doses ≥ 25 mg/kg/day of loteprednol etabonate (152 times the RHOD based on body surface area, assuming 100% absorption) prior to and during mating caused preimplantation loss and decreased the number of live fetuses/live births. The NOAEL for fertility in rats was 5 mg/kg/day (30 times the RHOD).

Clinical Studies

Adult Studies

In two randomized, multicenter, double-masked, parallel-group, vehicle-controlled studies in 813 subjects with post-operative inflammation, loteprednol etabonate ophthalmic gel was more effective compared to its vehicle in resolving anterior chamber inflammation and pain following cataract surgery. Primary endpoints were complete resolution of anterior chamber cells (cell count of 0) and no pain at post-operative day 8.

In these studies, loteprednol etabonate ophthalmic gel had a statistically significant higher incidence of subjects with complete clearing of anterior chamber cells (31% vs. 14 to 16%) and were pain-free at post-operative day 8 (73 to 76% vs. 42 to 46%).

Pediatric Study

Pediatric use information is approved for Bausch and Lomb Inc.'s LOTEMAX (loteprednol etabonate) ophthalmic gel. However, due to Bausch and Lomb Inc.'s marketing exclusivity rights, this drug product is not labeled with the pediatric information.

How Supplied/Storage and Handling

Loteprednol Etabonate Ophthalmic Gel 0.5% is a sterile ophthalmic gel supplied in a white low density polyethylene plastic bottle with a white controlled drop tip and a pink polypropylene cap in the following size:

NDC 17478-830-05 5 g in a 10 mL bottle

Storage: Store upright at 15º to 25º C (59º to 77º F).

Patient Counseling Information

Administration

Invert closed bottle and shake once to fill tip before instilling drops.

Risk of Contamination

Advise patients not to allow the dropper tip to touch any surface, as this may contaminate the gel.

Contact Lens Wear

Advise patients not to wear contact lenses when using loteprednol etabonate ophthalmic gel.

Risk of Secondary Infection

Advise the patient to consult a physician if pain develops, redness, itching or inflammation becomes aggravated.

AKORN
Manufactured by: Akorn, Inc.
Lake Forest, IL 60045

Made in Switzerland

LO00N Rev. 01/21

Principal Display Panel Text for Container Label:

NDC 17478-830-05

Loteprednol

Etabonate

Ophthalmic Gel

0.5%

FOR USE IN THE EYES ONLY

Rx only Sterile 5 g

Principal Display Panel Text for Carton Label:

NDC 17478-830-05

Loteprednol

Etabonate

Ophthalmic Gel

0.5%

FOR USE IN THE EYES ONLY

Sterile

5 g

Rx only Akorn Logo

LOTEPREDNOL ETABONATE
loteprednol etabonate gel
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:17478-830
Route of Administration OPHTHALMIC DEA Schedule
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
Loteprednol Etabonate (Loteprednol) Loteprednol Etabonate 5 mg in 1 g
Inactive Ingredients
Ingredient Name Strength
Boric Acid
Edetate Disodium
Glycerin
Polycarbophil
Propylene Glycol
Sodium Chloride
Tyloxapol
Water
Sodium Hydroxide
Benzalkonium Chloride
Packaging
# Item Code Package Description
1 NDC:17478-830-05 1 BOTTLE, DROPPER in 1 CARTON
1 5 g in 1 BOTTLE, DROPPER
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA212080 02/10/2021
Labeler - Akorn, Inc. (117696770)
Registrant - Akorn Operating Company LLC (117693100)
Establishment
Name Address ID/FEI Operations
Akon AG 482198285 MANUFACTURE(17478-830), LABEL(17478-830), PACK(17478-830), ANALYSIS(17478-830)
Akorn, Inc.