Document

DailyMed Label: BIMATOPROST

Title
DailyMed Label: BIMATOPROST
Date
2024
Document type
DailyMed Prescription
Name
BIMATOPROST
Generic name
BIMATOPROST
Manufacturer
Micro Labs Limited
Product information
NDC: 42571-128
Product information
NDC: 42571-128
Product information
NDC: 42571-128
Product information
NDC: 42571-128
Product information
NDC: 42571-128
Product information
NDC: 42571-128
Description
Bimatoprost ophthalmic solution 0.03% is a synthetic prostamide analog with ocular hypotensive activity. Its chemical name is ( Z )-7-[(1 R ,2 R ,3 R ,5 S )-3,5-Dihydroxy-2-[(1E,3S)-3-hydroxy-5-phenyl-1-pentenyl]cyclopentyl]-5- N -ethylheptenamide, and its molecular weight is 415.58. Its molecular formula is C 25 H 37 NO 4 . Its chemical structure is: Bimatoprost is a powder, which is very soluble in ethyl alcohol and methyl alcohol and slightly soluble in water. Bimatoprost ophthalmic solution 0.03% is clear, colorless solution, practically free from particles with an osmolality of approximately 290 mOsmol/kg. Bimatoprost ophthalmic solution 0.03% contains Active: Bimatoprost 0.3 mg/mL; Preservative: benzalkonium chloride 0.05 mg/mL; Inactives: sodium chloride; disodium hydrogen phosphate, heptahydrate, citric acid monohydrate and water for injection. Sodium hydroxide and/or hydrochloric acid may be added to adjust pH. The pH during its shelf life ranges from 6.9 to 7.6. bimatoprost_stru.jpg
Indications
Bimatoprost ophthalmic solution 0.03% is indicated for the reduction of elevated intraocular pressure in patients with open angle glaucoma or ocular hypertension. Bimatoprost ophthalmic solution 0.03% is a prostaglandin analog indicated for the reduction of elevated intraocular pressure in patients with open angle glaucoma or ocular hypertension. ( 1 )
Dosage
The recommended dosage is one drop in the affected eye(s) once daily in the evening. Bimatoprost ophthalmic solution 0.03%  should not be administered more than once daily since it has been shown that more frequent administration of prostaglandin analogs may decrease the intraocular pressure lowering effect. Reduction of the intraocular pressure starts approximately 4 hours after the first administration with maximum effect reached within approximately 8 to 12 hours. Bimatoprost ophthalmic solution 0.03% may be used concomitantly with other topical ophthalmic drug products to lower intraocular pressure. If more than one topical ophthalmic drug is being used, the drugs should be administered at least five (5) minutes apart. One drop in the affected eye(s) once daily in the evening. ( 2 )
Dosage forms
Ophthalmic solution containing bimatoprost 0.3 mg/mL. Ophthalmic solution containing 0.3 mg/mL of  bimatoprost. ( 3 )
Contraindications
Bimatoprost ophthalmic solution 0.03% is contraindicated in patients with hypersensitivity to bimatoprost or to any of the ingredients  [see Adverse Reactions ( 6.2 )] . Hypersensitivity. ( 4 )
Warnings
Pigmentation : Pigmentation of the iris, periorbital tissue (eyelid) and eyelashes can occur. Iris pigmentation is likely to be permanent. ( 5.1 ) Eyelash Changes : Gradual change to eyelashes including increased length, thickness and number of lashes. Usually reversible. ( 5.2 ) Bimatoprost ophthalmic solution has been reported to cause changes to pigmented tissues. The most frequently reported changes have been increased pigmentation of the iris, periorbital tissue (eyelid) and eyelashes. Pigmentation is expected to increase as long as bimatoprost is administered. The pigmentation change is due to increased melanin content in the melanocytes rather than to an increase in the number of melanocytes. After discontinuation of bimatoprost, pigmentation of the iris is likely to be permanent, while pigmentation of the periorbital tissue and eyelash changes have been reported to be reversible in some patients. Patients who receive treatment should be informed of the possibility of increased pigmentation. The long term effects of increased pigmentation are not known. Iris color change may not be noticeable for several months to years. Typically, the brown pigmentation around the pupil spreads concentrically towards the periphery of the iris and the entire iris or parts of the iris become more brownish. Neither nevi nor freckles of the iris appear to be affected by treatment. While treatment with bimatoprost ophthalmic solution 0.03% can be continued in patients who develop noticeably increased iris pigmentation, these patients should be examined regularly. Bimatoprost ophthalmic solution 0.03% may gradually change eyelashes and vellus hair in the treated eye. These changes include increased length, thickness, and number of lashes. Eyelash changes are usually reversible upon discontinuation of treatment. Prostaglandin analogs, including bimatoprost, have been reported to cause intraocular inflammation. In addition, because these products may exacerbate inflammation, caution should be used in patients with active intraocular inflammation (e.g., uveitis). Macular edema, including cystoid macular edema, has been reported during treatment with bimatoprost ophthalmic solution. Bimatoprost ophthalmic solution 0.03% should be used with caution in aphakic patients, in pseudophakic patients with a torn posterior lens capsule, or in patients with known risk factors for macular edema. There have been reports of bacterial keratitis associated with the use of multiple-dose containers of topical ophthalmic products. These containers had been inadvertently contaminated by patients who, in most cases, had a concurrent corneal disease or a disruption of the ocular epithelial surface. Bimatoprost ophthalmic solution 0.03% contains benzalkonium chloride, which may be absorbed by and cause discoloration of soft contact lenses. Contact lenses should be removed prior to instillation of bimatoprost ophthalmic solution 0.03% and may be reinserted 15 minutes following its administration.
Adverse reactions
The following adverse reactions are described elsewhere in the labeling:
Use in_specific_populations
Use in pediatric patients below the age of 16 years is not recommended because of potential safety concerns related to increased pigmentation following long-term chronic use. ( 8.4 ) Risk Summary There are no adequate and well-controlled studies of bimatoprost ophthalmic solution 0.03% administration in pregnant women. There is no increase in the risk of major birth defects or miscarriages based on bimatoprost postmarketing experience. In embryofetal developmental studies, administration of bimatoprost in pregnant mice and rats during organogenesis, resulted in abortion and early delivery at oral doses at least 33 times (mice) or 94 times (rats) the human exposure at the recommended clinical dose (based on blood area under the curve [AUC] levels). These adverse effects were not observed at 2.6 times (mice) and 47 times (rats) the human exposure at the recommended clinical dose. In pre/postnatal development studies, administration of bimatoprost to pregnant rats from organogenesis to the end of lactation resulted in reduced gestation length and fetal body weight, and increased fetal and pup mortality at oral doses at least 41 times the human systemic exposure at the recommended clinical dose (based on blood AUC levels).  No adverse effects were observed in rat offspring at exposures estimated at 14 times the human exposure at the recommended clinical dose (based on blood AUC levels). Because animal reproductive studies are not always predictive of human response bimatoprost ophthalmic solution 0.03% should be administered during pregnancy only if the potential benefit justifies the potential risk to the fetus. Data Animal Data In an embryofetal development rat study, abortion was observed in pregnant rats administered bimatoprost orally during organogenesis at 0.6 mg/kg/day (94 times the human systemic exposure at the recommended human ophthalmic dose [RHOD], based on AUC). The No Observed Adverse Effect Level (NOAEL) for abortion was 0.3 mg/kg/day (estimated at 47 times the human systemic exposure at the RHOD, based on AUC). No abnormalities were observed in rat fetuses at doses up to 0.6 mg/kg/day. In an embryofetal development mouse study, abortion and early delivery were observed in pregnant mice administered bimatoprost orally during organogenesis at doses greater than or equal to 0.3 mg/kg/day (33 times the human systemic exposure at the RHOD, based on AUC). The NOAEL for abortion and early delivery was 0.1 mg/kg/day (2.6 times the human systemic exposure at the RHOD, based on AUC). No abnormalities were observed in mouse fetuses at doses up to 0.6 mg/kg/day (72 times the human systemic exposure at the RHOD, based on AUC). In a pre/postnatal development study, treatment of pregnant rats with bimatoprost orally from gestation day 7 to lactation day 20 resulted in reduced gestation length, increased late resorptions, fetal deaths, and postnatal pup mortality, and reduced pup body weight at doses greater than or equal to 0.3 mg/kg/day. These effects were observed at exposures at least 41 times the human systemic exposure at the RHOD, based on AUC. The NOAEL for postnatal development and mating performance of the offspring was 0.1 mg/kg/day (estimated at 14 times the human systemic exposure at the RHOD, based on AUC). Risk Summary It is not known whether topical ocular treatment with bimatoprost ophthalmic solution 0.03% could result in sufficient systemic absorption to produce detectable quantities in human milk. In animal studies, bimatoprost has been shown to be present in breast milk of lactating rats at an intravenous dose (i.e., 1 mg/kg) 324 times the RHOD (on a m 2 g/m basis), however no animal data is available at clinically relevant doses. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for bimatoprost ophthalmic solution, 0.03% and any potential adverse effects on the breastfed child from bimatoprost ophthalmic solution, 0.03%. Use in pediatric patients below the age of 16 years is not recommended because of potential safety concerns related to increased pigmentation following long-term chronic use. No overall clinical differences in safety or effectiveness have been observed between elderly and other adult patients.
How supplied
Bimatoprost ophthalmic solution 0.03% is supplied sterile in white low density polyethylene 3 piece open nozzle container with cone shape, turquoise color TSTR- TEAR OFF caps available in following packs: 2.5 mL fill in 5 mL    NDC 42571-128-35 5 mL fill in 10 mL     NDC 42571-128-21 7.5 mL fill in 10 mL  NDC 42571-128-28 Storage:  Store at 2° to 25°C (36° to 77°F). After opening, bimatoprost ophthalmic solution 0.03% can be used until the expiration date printed on the bottle.
Clinical pharmacology
Bimatoprost, a prostaglandin analog, is a synthetic structural analog of prostaglandin with ocular hypotensive activity. It selectively mimics the effects of naturally occurring substances, prostamides. Bimatoprost is believed to lower intraocular pressure (IOP) in humans by increasing outflow of aqueous humor through both the trabecular meshwork and uveoscleral routes. Elevated IOP presents a major risk factor for glaucomatous field loss. The higher the level of IOP, the greater the likelihood of optic nerve damage and visual field loss. Absorption After one drop of bimatoprost ophthalmic solution 0.03% was administered once daily to both eyes of 15 healthy subjects for two weeks, blood concentrations peaked within 10 minutes after dosing and were below the lower limit of detection (0.025 ng/mL) in most subjects within 1.5 hours after dosing. Mean C max and AUC 0 to 24hr values were similar on days 7 and 14 at approximately 0.08 ng/mL and 0.09 ng•hr/mL, respectively, indicating that steady state was reached during the first week of ocular dosing. There was no significant systemic drug accumulation over time. Distribution   Bimatoprost is moderately distributed into body tissues with a steady-state volume of distribution of 0.67 L/kg. In human blood, bimatoprost resides mainly in the plasma. Approximately 12% of bimatoprost remains unbound in human plasma. Elimination Metabolism Bimatoprost is the major circulating species in the blood once it reaches the systemic circulation following ocular dosing. Bimatoprost then undergoes oxidation, N-deethylation and glucuronidation to form a diverse variety of metabolites. Excretion Following an intravenous dose of radiolabeled bimatoprost (3.12 mcg/kg) to six healthy subjects, the maximum blood concentration of unchanged drug was 12.2 ng/mL and decreased rapidly with an elimination half-life of approximately 45 minutes. The total blood clearance of bimatoprost was 1.5 L/hr/kg. Up to 67% of the administered dose was excreted in the urine while 25% of the dose was recovered in the feces.
Nonclinical toxicology
Carcinogenesis Bimatoprost was not carcinogenic in either mice or rats when administered by oral gavage for 104 weeks at doses of up to 2 mg/kg/day and 1 mg/kg/day respectively (at least 192 and 291 times the human systemic exposure at the RHOD, respectively, based on blood AUC levels). Mutagenesis Bimatoprost was not mutagenic or clastogenic in the Ames test, in the mouse lymphoma test, or in the in vivo mouse micronucleus tests. Impairment of Fertility Bimatoprost did not impair fertility in male or female rats at doses up to 0.6 mg/kg/day (at least 103 times the human systemic exposure at the RHOD, based on blood AUC levels).
Clinical studies
In clinical studies of patients with open angle glaucoma or ocular hypertension with a mean baseline IOP of 26 mmHg, the IOP-lowering effect of bimatoprost ophthalmic solution, 0.03%  once daily (in the evening) was 7 to 8 mmHg.
Package label
NDC 42571-128-35 Rx Only Bimatoprost Ophthalmic Solution 0.03% For Use in the Eyes Only 2.5 mL Micro Labs Logo   NDC 42571-128-35 Bimatoprost Ophthalmic Solution 0.03% For Use in the Eyes Only Rx Only 2.5 mL Sterile Micro Labs Logo NDC 42571-128-21 Rx Only Bimatoprost Ophthalmic Solution 0.03% For Use in the Eyes Only 5 mL Micro Labs Logo   NDC 42571-128-21 Bimatoprost Ophthalmic Solution 0.03% For Use in the Eyes Only Rx Only 5 mL Sterile Micro Labs Logo   NDC 42571-128-28 Rx Only Bimatoprost Ophthalmic Solution 0.03% For Use in the Eyes Only 7.5 mL Micro Labs Logo   NDC 42571-128-28 Bimatoprost Ophthalmic Solution 0.03% For Use in the Eyes Only Rx Only 7.5 mL Sterile Micro Labs Logo bimatoprost-2pt5mllbl bimatoprost-crtn-a.jpg bimatoprost-5mllbl bimatoprost-crtn-b.jpg bimatoprost-7pt5mllbl bimatoprost-crtn-c.jpg

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Organization
MICRO LABS LIMITED