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| Product NDC Code | 82584-307 | ||||||
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| Drug Name | Azasite |
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| Type | Brand | ||||||
| Pharm Class | Macrolide Antimicrobial [EPC], Macrolides [CS] |
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| Route | OPHTHALMIC | ||||||
| Dosage Form | SOLUTION/ DROPS | ||||||
| RxCUI drug identifier | 706868, 706872 |
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| Application Number | NDA050810 | ||||||
| Labeler Name | Thea Pharma Inc. | ||||||
| Packages |
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Adverse reactions
Information about undesirable effects, reasonably associated with use of the drug, that may occur as part of the pharmacological action of the drug or may be unpredictable in its occurrence. Adverse reactions include those that occur with the drug, and if applicable, with drugs in the same pharmacologically active and chemically related class. There is considerable variation in the listing of adverse reactions. They may be categorized by organ system, by severity of reaction, by frequency, by toxicological mechanism, or by a combination of these.6 ADVERSE REACTIONS Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in one clinical trial of a drug cannot be directly compared with the rates in the clinical trials of the same or another drug and may not reflect the rates observed in practice. The data described below reflect exposure to AzaSite in 698 patients. The population was between 1 and 87 years old with clinical signs and symptoms of bacterial conjunctivitis. The most frequently reported ocular adverse reaction reported in patients receiving AzaSite was eye irritation. This reaction occurred in approximately 1 to 2% of patients. Other adverse reactions associated with the use of AzaSite were reported in less than 1% of patients and included ocular reactions (blurred vision, burning, stinging and irritation upon instillation, contact dermatitis, corneal erosion, dry eye, eye pain, itching, ocular discharge, punctate keratitis, visual acuity reduction) and non-ocular reactions (dysgeusia, facial swelling, hives, nasal congestion, periocular swelling, rash, sinusitis, urticaria). Most common adverse reaction reported in patients was eye irritation (1 to 2% of patients). ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Thea Pharma Inc. at 1-833-838-4028 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . See 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labeling.
Clinical pharmacology
Information about the clinical pharmacology and actions of the drug in humans.12 CLINICAL PHARMACOLOGY 12.1 Mechanism of Action Azithromycin is a macrolide antibiotic [see Clinical Pharmacology (12.4) ] . 12.3 Pharmacokinetics The plasma concentration of azithromycin following ocular administration of AzaSite (azithromycin ophthalmic solution) in humans is unknown. Based on the proposed dose of one drop to each eye (total dose of 100 mcL or 1 mg) and exposure information from systemic administration, the systemic concentration of azithromycin following ocular administration is estimated to be below quantifiable limits (≤10 ng/mL) at steady-state in humans, assuming 100% systemic availability. 12.4 Microbiology Azithromycin acts by binding to the 50S ribosomal subunit of susceptible microorganisms and interfering with microbial protein synthesis. Azithromycin has been shown to be active against most isolates of the following microorganisms, both in vitro and clinically in conjunctival infections [see Indications and Usage (1) ] . CDC coryneform group G Efficacy for this organism was studied in fewer than 10 infections. Haemophilus influenzae Staphylococcus aureus Streptococcus mitis group Streptococcus pneumoniae The following in vitro data are also available, but their clinical significance in ophthalmic infections is unknown. The safety and effectiveness of AzaSite in treating ophthalmological infections due to these microorganisms have not been established. The following microorganisms are considered susceptible when evaluated using systemic breakpoints. However, a correlation between the in vitro systemic breakpoint and ophthalmological efficacy has not been established. This list of microorganisms is provided as an aid only in assessing the potential treatment of conjunctival infections. Azithromycin exhibits in vitro minimal inhibitory concentrations (MICs) of equal or less (systemic susceptible breakpoint) against most (≥90%) of isolates of the following ocular pathogens: Chlamydia pneumoniae Chlamydia trachomatis Legionella pneumophila Moraxella catarrhalis Mycoplasma hominis Mycoplasma pneumoniae Neisseria gonorrhoeae Peptostreptococcus species Streptococci (Groups C, F, G) Streptococcus pyogenes Streptococcus agalactiae Ureaplasma urealyticum Viridans group streptococci
Mechanism of action
Information about the established mechanism(s) of the drugÕs action in humans at various levels (for example receptor, membrane, tissue, organ, whole body). If the mechanism of action is not known, this field contains a statement about the lack of information.12.1 Mechanism of Action Azithromycin is a macrolide antibiotic [see Clinical Pharmacology (12.4) ] .
Pharmacokinetics
Information about the clinically significant pharmacokinetics of a drug or active metabolites, for instance pertinent absorption, distribution, metabolism, and excretion parameters.12.3 Pharmacokinetics The plasma concentration of azithromycin following ocular administration of AzaSite (azithromycin ophthalmic solution) in humans is unknown. Based on the proposed dose of one drop to each eye (total dose of 100 mcL or 1 mg) and exposure information from systemic administration, the systemic concentration of azithromycin following ocular administration is estimated to be below quantifiable limits (≤10 ng/mL) at steady-state in humans, assuming 100% systemic availability.
Contraindications
Information about situations in which the drug product is contraindicated or should not be used because the risk of use clearly outweighs any possible benefit, including the type and nature of reactions that have been reported.4 CONTRAINDICATIONS Azasite is contraindicated in patients with hypersensitivity to any component of this product. Hypersensitivity ( 4 )
Description
General information about the drug product, including the proprietary and established name of the drug, the type of dosage form and route of administration to which the label applies, qualitative and quantitative ingredient information, the pharmacologic or therapeutic class of the drug, and the chemical name and structural formula of the drug.11 DESCRIPTION AzaSite® (azithromycin ophthalmic solution) is a 1% sterile aqueous topical ophthalmic solution of azithromycin formulated in DuraSite ® (polycarbophil, edetate disodium, sodium chloride). AzaSite is an off-white, viscous liquid with an osmolality of approximately 290 mOsm/kg. Preservative: 0.003% benzalkonium chloride. Inactives: mannitol, citric acid, sodium citrate, poloxamer 407, polycarbophil, edetate disodium (EDTA), sodium chloride, water for injection, and sodium hydroxide to adjust pH to 6.3. Azithromycin is a macrolide antibiotic with a 15-membered ring. Its chemical name is (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribohexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-oxa-6-aza-cyclopentadecan-15-one, and the structural formula is: Azithromycin has a molecular weight of 749, and its empirical formula is C 38 H 72 N 2 O 12 . Chemical Structure
Dosage and administration
Information about the drug product’s dosage and administration recommendations, including starting dose, dose range, titration regimens, and any other clinically sigificant information that affects dosing recommendations.2 DOSAGE AND ADMINISTRATION The recommended dosage regimen for the treatment of bacterial conjunctivitis is: Instill 1 drop in the affected eye(s) twice daily, eight to twelve hours apart for the first two days and then instill 1 drop in the affected eye(s) once daily for the next five days. Instill 1 drop in the affected eye(s) twice daily, eight to twelve hours apart for the first two days and then instill 1 drop in the affected eye(s) once daily for the next five days. ( 2 ) 2.1 Recommended Dosage The recommended dosage for the treatment of bacterial conjunctivitis is: Instill 1 drop in the affected eye(s) twice daily, eight to twelve hours apart for the first two days and then instill 1 drop in the affected eye(s) once daily for the next five days. 2.2 Administration Instructions Wash hands prior to using AzaSite. Invert the closed bottle (upside down) and shake once before each use. Remove the tan cap with the bottle still in the inverted position. Tilt head back, and with bottle inverted, gently squeeze bottle to instill one drop into the affected eye(s). Skipping doses or not completing the full course of therapy may (1) decrease the effectiveness of the immediate treatment and (2) increase the likelihood that bacteria will develop resistance and will not be treatable by AzaSite (azithromycin ophthalmic solution) or other antibacterial drugs in the future.
Dosage forms and strengths
Information about all available dosage forms and strengths for the drug product to which the labeling applies. This field may contain descriptions of product appearance.3 DOSAGE FORMS AND STRENGTHS 2.5 mL of a 1% sterile topical ophthalmic solution. 2.5 mL of 1% sterile topical ophthalmic solution. ( 3 )
Indications and usage
A statement of each of the drug products indications for use, such as for the treatment, prevention, mitigation, cure, or diagnosis of a disease or condition, or of a manifestation of a recognized disease or condition, or for the relief of symptoms associated with a recognized disease or condition. This field may also describe any relevant limitations of use.1 INDICATIONS AND USAGE AzaSite ® is indicated for the treatment of bacterial conjunctivitis caused by susceptible isolates of the following microorganisms: CDC coryneform group G Efficacy for this organism was studied in fewer than 10 infections. Haemophilus influenzae Staphylococcus aureus Streptococcus mitis group Streptococcus pneumoniae AzaSite is a macrolide antimicrobial indicated for the treatment of bacterial conjunctivitis caused by susceptible isolates of the following microorganisms: CDC coryneform group G, Haemophilus influenzae, Staphylococcus aureus, Streptococcus mitis group, and Streptococcus pneumoniae. ( 1 )
Spl product data elements
Usually a list of ingredients in a drug product.AZASITE azithromycin monohydrate BENZALKONIUM CHLORIDE MANNITOL CITRIC ACID MONOHYDRATE SODIUM CITRATE, UNSPECIFIED FORM POLOXAMER 407 POLYCARBOPHIL SODIUM CHLORIDE EDETATE DISODIUM WATER SODIUM HYDROXIDE AZITHROMYCIN MONOHYDRATE AZITHROMYCIN ANHYDROUS
Animal pharmacology and or toxicology
Information from studies of the drug in animals, if the data were not relevant to nor included in other parts of the labeling. Most labels do not contain this field.13.2 Animal Toxicology and/or Pharmacology Phospholipidosis (intracellular phospholipid accumulation) has been observed in some tissues of mice, rats, and dogs given multiple systemic doses of azithromycin. Cytoplasmic microvacuolation, which is likely a manifestation of phospholipidosis, has been observed in the corneas of rabbits given multiple ocular doses of AzaSite. This effect was reversible upon cessation of AzaSite treatment. The significance of this toxicological finding for animals and for humans is unknown.
Carcinogenesis and mutagenesis and impairment of fertility
Information about carcinogenic, mutagenic, or fertility impairment potential revealed by studies in animals. Information from human data about such potential is part of the warnings field.13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility Long-term studies in animals have not been performed to evaluate carcinogenic potential. Azithromycin has shown no mutagenic potential in standard laboratory tests: mouse lymphoma assay, human lymphocyte clastogenic assay, and mouse bone marrow clastogenic assay. No evidence of impaired fertility due to azithromycin was found in mice or rats that received oral doses of up to 200 mg/kg/day.
Nonclinical toxicology
Information about toxicology in non-human subjects.13 NONCLINICAL TOXICOLOGY 13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility Long-term studies in animals have not been performed to evaluate carcinogenic potential. Azithromycin has shown no mutagenic potential in standard laboratory tests: mouse lymphoma assay, human lymphocyte clastogenic assay, and mouse bone marrow clastogenic assay. No evidence of impaired fertility due to azithromycin was found in mice or rats that received oral doses of up to 200 mg/kg/day. 13.2 Animal Toxicology and/or Pharmacology Phospholipidosis (intracellular phospholipid accumulation) has been observed in some tissues of mice, rats, and dogs given multiple systemic doses of azithromycin. Cytoplasmic microvacuolation, which is likely a manifestation of phospholipidosis, has been observed in the corneas of rabbits given multiple ocular doses of AzaSite. This effect was reversible upon cessation of AzaSite treatment. The significance of this toxicological finding for animals and for humans is unknown.
Microbiology
Microbiology12.4 Microbiology Azithromycin acts by binding to the 50S ribosomal subunit of susceptible microorganisms and interfering with microbial protein synthesis. Azithromycin has been shown to be active against most isolates of the following microorganisms, both in vitro and clinically in conjunctival infections [see Indications and Usage (1) ] . CDC coryneform group G Efficacy for this organism was studied in fewer than 10 infections. Haemophilus influenzae Staphylococcus aureus Streptococcus mitis group Streptococcus pneumoniae The following in vitro data are also available, but their clinical significance in ophthalmic infections is unknown. The safety and effectiveness of AzaSite in treating ophthalmological infections due to these microorganisms have not been established. The following microorganisms are considered susceptible when evaluated using systemic breakpoints. However, a correlation between the in vitro systemic breakpoint and ophthalmological efficacy has not been established. This list of microorganisms is provided as an aid only in assessing the potential treatment of conjunctival infections. Azithromycin exhibits in vitro minimal inhibitory concentrations (MICs) of equal or less (systemic susceptible breakpoint) against most (≥90%) of isolates of the following ocular pathogens: Chlamydia pneumoniae Chlamydia trachomatis Legionella pneumophila Moraxella catarrhalis Mycoplasma hominis Mycoplasma pneumoniae Neisseria gonorrhoeae Peptostreptococcus species Streptococci (Groups C, F, G) Streptococcus pyogenes Streptococcus agalactiae Ureaplasma urealyticum Viridans group streptococci
Package label principal display panel
The content of the principal display panel of the product package, usually including the product’s name, dosage forms, and other key information about the drug product.PRINCIPAL DISPLAY PANEL - 2.5 mL Bottle Carton NDC 82584-307-03 AzaSITE ® (azithromycin ophthalmic solution) 1% Sterile 2.5 mL Rx Only FOR OPHTHALMIC USE ONLY PRINCIPAL DISPLAY PANEL - 2.5 mL Bottle Carton
Spl unclassified section
Information not classified as belonging to one of the other fields. Approximately 40% of labeling with effective_time between June 2009 and August 2014 have information in this field.Manufactured for: Thea Pharma Inc. Waltham, MA 02451 U.S. Patent No.: 7,758,553 AzaSite is a registered trademark of Thea Pharma Inc. DuraSite is a registered trademark of Sun Pharma. © 2024. Thea Pharma Inc. All rights reserved Revised: 07/2024
AZASITE: Information for patients
Information necessary for patients to use the drug safely and effectively, such as precautions concerning driving or the concomitant use of other substances that may have harmful additive effects.17 PATIENT COUNSELING INFORMATION See FDA-Approved Patient Labeling ( Patient Information and Instructions for Use ). Avoiding Contamination of the Applicator Tip Advise patients to avoid contaminating the applicator tip by not allowing it to touch the eye, fingers or other sources. When to Seek Physician Advice Direct patients to discontinue use and contact a physician if any signs of an allergic reaction occur. Tell patients that although it is common to feel better early in the course of the therapy, the medication should be taken exactly as directed. Skipping doses or not completing the full course of therapy may (1) decrease the effectiveness of the immediate treatment and (2) increase the likelihood that bacteria will develop resistance and will not be treatable by AzaSite (azithromycin ophthalmic solution) or other antibacterial drugs in the future. Contact Lens Use Advise patients not to wear contact lenses if they have signs or symptoms of bacterial conjunctivitis. Administration Instructions Advise patients to thoroughly wash hands prior to using AzaSite. Advise patients to invert the closed bottle (upside down) and shake once before each use. Remove cap with bottle still in the inverted position. Tilt head back, and with bottle inverted, gently squeeze bottle to instill one drop into the affected eye(s).
Instructions for use
Information about safe handling and use of the drug product.Instructions for Use AzaSite ® (A-zuh-site) (azithromycin ophthalmic solution) 1% Read this Instructions for Use for AzaSite before you start using it and each time you get a refill. There may be new information. This leaflet does not take the place of talking to your doctor about your medical condition or treatment. Important: AzaSite is for use as an eye drop only. The checklist below tells you when to use your medicine for each eye that has bacterial conjunctivitis: □ □ Day 1: 1 drop in the morning and 1 drop in the evening □ □ Day 2: 1 drop in the morning and 1 drop in the evening □ Day 3 1 drop anytime during the day □ Day 4 1 drop anytime during the day □ Day 5 1 drop anytime during the day □ Day 6 1 drop anytime during the day □ Day 7 1 drop anytime during the day This is a total of 9 drops of AzaSite for each infected eye. Avoid letting the applicator tip touch your eye, your fingers, or other objects. If a drop misses your eye, try again. Follow the steps below to use AzaSite correctly. Before using a new bottle of AzaSite: Turn the white cap clockwise until it comes off. Throw away the white cap. See Figure A Hold the bottle straight, turn the tan cap counterclockwise until it comes off. Put the tan cap back on the bottle and close tightly. (This lets out the air.) See Figure B Wash your hands each time you use AzaSite. To use AzaSite: Step 1. Turn the closed bottle upside down. See Figure C Step 2. Shake your hand firmly. This helps move the medicine into the tip of the bottle. See Figure D Step 3. Hold the bottle upside down and take off the tan cap. See Figure E Step 4. Tilt your head back. Hold the bottle over your eye and gently squeeze the bottle to let 1 drop into each eye that has bacterial conjunctivitis. Put the tan cap back on the bottle and close tightly. See Figure F If a drop does not come out of the bottle, repeat steps one to four. Manufactured for: Thea Pharma Inc. Waltham, MA 02451 U.S. Patent No.: 7,758,553 AzaSite is a registered trademark of Thea Pharma Inc. DuraSite is a registered trademark of Sun Pharma. © 2024. Thea Pharma Inc. All rights reserved This Patient Information and Instructions for Use have been approved by the U.S. Food and Drug Administration. Revised: 07/2024 Figure A Figure B Figure C Figure D Figure E Figure F
| □ □ | Day 1: | 1 drop in the morning and 1 drop in the evening |
| □ □ | Day 2: | 1 drop in the morning and 1 drop in the evening |
| □ | Day 3 | 1 drop anytime during the day |
| □ | Day 4 | 1 drop anytime during the day |
| □ | Day 5 | 1 drop anytime during the day |
| □ | Day 6 | 1 drop anytime during the day |
| □ | Day 7 | 1 drop anytime during the day |
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Spl patient package insert
Information necessary for patients to use the drug safely and effectively.PATIENT INFORMATION AzaSite ® (A-zuh-site) (azithromycin ophthalmic solution) 1% Read this Patient Information before you start using AzaSite ® and each time you get a refill. There may be new information. This information does not take the place of talking to your doctor about your medical condition or treatment. What is AzaSite? AzaSite is a prescription sterile eye drop solution. AzaSite is used to treat bacterial conjunctivitis which is an infection of the eye caused by certain bacteria. Information about bacterial conjunctivitis. Bacterial conjunctivitis is a bacterial infection of the mucous membranes which line the inside of the eyelids. Symptoms may include redness of the eye and discharge. The infection can be spread to other people and to both eyes. Who should not use AzaSite? Do not use AzaSite if you are allergic to azithromycin or any of the ingredients in AzaSite. See the end of this Patient Information leaflet for a complete list of the ingredients in AzaSite. What should I tell my doctor before using AzaSite? Before you use AzaSite, tell your doctor if you: wear contact lenses. Do not wear contact lenses if you have signs or symptoms of bacterial conjunctivitis. are pregnant or plan to become pregnant. Talk to your doctor if you are pregnant or plan to become pregnant. are breast-feeding or plan to breast-feed. AzaSite passes into your breast milk. Talk to your doctor about the best way to feed your baby if you are using AzaSite. Tell your doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Know the medicines you take. Keep a list of them to show your doctors and pharmacist when you get a new medicine. How should I use AzaSite? Read the Instructions for Use at the end of this Patient Information leaflet for the right way to use AzaSite. Use AzaSite exactly as your doctor tells you to use it. For the first 2 days place 1 drop of AzaSite in your eye (or eyes) each morning and 1 drop in your eye (or eyes) each evening. Wait 8 to 12 hours after placing your morning drops before you place evening drops in your eye (or eyes). For the next 5 days place 1 drop of AzaSite in your eye (or eyes) 1 time each day. Make sure you continue to use AzaSite as directed by your doctor even if you feel better after you start using it. Skipping drops can increase the chances that: your medicine will not work well Bacteria can develop resistance, which means in the future your bacterial conjunctivitis may not improve from AzaSite or other drugs that treat infections from bacteria. What should I be aware of while using AzaSite? Do not wear contact lenses if you have signs or symptoms of bacterial conjunctivitis and until you have finished your prescribed course of treatment. The symptoms of bacterial conjunctivitis may include: discharge coming from the eye eye redness eye irritation Only your doctor can tell you if you have bacterial conjunctivitis. Severe allergic reactions have been reported rarely when azithromycin has been taken by mouth. Serious rash or serious allergic reactions may occur. Azithromycin, the active ingredient in AzaSite, may cause a serious rash or a serious allergic reaction. Both of these reactions may need to be treated in a hospital and may be life-threatening. Stop taking AzaSite and call your doctor right away or get emergency help if you have any of these symptoms: skin rash, hives, sores in your mouth, or your skin blisters and peels swelling of your face, eyes, lips, tongue, or throat trouble swallowing or breathing Increased risk of other infections caused by bacteria or fungi. Using AzaSite for a long time may cause other bacteria or fungi to grow. If this happens you may get a new infection. Tell your doctor right away if your symptoms do not get better. What are the possible side effects of AzaSite? The most common side effect of AzaSite is eye irritation. Other side effects seen with AzaSite include: eye burning, stinging and irritation when the drop hits your eye irritation on your eyelid and the skin around your eye a feeling of discomfort and irritation or that something is in your eye dry eye eye pain eye itching discharge coming from your eye changes to the surface of your eye blurred vision changes in your taste hives and rash on your skin stuffy nose and sinus infection swelling around your eye or of your face Tell your doctor about any side effect that bothers you or that does not go away. These are not all of the possible side effects of AzaSite. For more information, ask your doctor or pharmacist. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. How should I store AzaSite? Before you open your AzaSite, store it in the refrigerator between 36°F to 46°F (2°C to 8°C). After you open your AzaSite, store it at room temperature or the refrigerator between 36°F to 77°F (2°C to 25°C) AzaSite should not be stored for more than 14 days after opening. After 14 days, throw the AzaSite bottle away. Safely throw away medicine that is out of date or no longer needed. Keep AzaSite and all medicines out of reach of children. General information about the safe and effective use of AzaSite Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use AzaSite for a condition for which it was not prescribed. Do not give AzaSite to other people, even if they have the same symptoms that you have. It may harm them. This Patient Information summarizes the most important information about AzaSite. If you would like more information, talk with your doctor. You can ask your pharmacist or doctor for information about AzaSite that is written for health professionals. For more information, call 1-833-838-4028. What are the ingredients in AzaSite? Active ingredient: azithromycin Inactive ingredients: 0.003% benzalkonium chloride, mannitol, citric acid, sodium citrate, poloxamer 407, polycarbophil, edetate disodium (EDTA), sodium chloride, water, and sodium hydroxide.
Clinical studies
This field may contain references to clinical studies in place of detailed discussion in other sections of the labeling.14 CLINICAL STUDIES In a randomized, vehicle-controlled, double-blind, multicenter clinical study in which patients were dosed twice daily for the first two days, then once daily on days 3, 4, and 5, AzaSite solution was superior to vehicle on days 6 to 7 in patients who had a confirmed clinical diagnosis of bacterial conjunctivitis. Clinical resolution was achieved in 63% (82/130) of patients treated with AzaSite versus 50% (74/149) of patients treated with vehicle. The p-value for the comparison was 0.03 and the 95% confidence interval around the 13% (63% to 50%) difference was 2% to 25%. The microbiological success rate for the eradication of the baseline pathogens was approximately 88% compared to 66% of patients treated with vehicle (p<0.001, confidence interval around the 22% difference was 13% to 31%). Microbiologic eradication does not always correlate with clinical outcome in anti-infective trials.
Geriatric use
Information about any limitations on any geriatric indications, needs for specific monitoring, hazards associated with use of the drug in the geriatric population.8.5 Geriatric Use No overall differences in safety or effectiveness have been observed between elderly and younger patients.
Pediatric use
Information about any limitations on any pediatric indications, needs for specific monitoring, hazards associated with use of the drug in any subsets of the pediatric population (such as neonates, infants, children, or adolescents), differences between pediatric and adult responses to the drug, and other information related to the safe and effective pediatric use of the drug.8.4 Pediatric Use The safety and effectiveness of AzaSite solution in pediatric patients have been established. The efficacy of AzaSite in treating bacterial conjunctivitis in pediatric patients has been demonstrated in controlled clinical trials [see Clinical Studies (14) ] .
Pregnancy
Information about effects the drug may have on pregnant women or on a fetus. This field may be ommitted if the drug is not absorbed systemically and the drug is not known to have a potential for indirect harm to the fetus. It may contain information about the established pregnancy category classification for the drug. (That information is nominally listed in the teratogenic_effects field, but may be listed here instead.)8.1 Pregnancy Risk Summary Available data from published literature and postmarketing experience over several decades with azithromycin use in pregnant women have not identified any drug-associated risks for major birth defects, miscarriage, or adverse maternal or fetal outcomes ( see Data ). Developmental toxicity studies with azithromycin in rats, mice, and rabbits showed no drug-induced fetal malformations at doses up to 200 mg/kg/day. The doses used in these studies were orders of magnitude in excess of the clinical exposure that would be possible following topical ocular administration of azithromycin. ( see Data ). The estimated background risk of major birth defects and miscarriage for the indicated populations is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. Data Human Data Available data from published observational studies, case series, and case reports over several decades do not suggest an increased risk for major birth defects, miscarriage, or adverse maternal or fetal outcomes with oral or topical ophthalmic azithromycin use in pregnant women. Limitations of these data include the lack of randomization and inability to control for confounders such as underlying maternal disease and maternal use of concomitant medications. Animal Data Azithromycin administered during the period of organogenesis did not cause fetal malformations in rats and mice at oral doses up to 200 mg/kg/day (moderately maternally toxic). Assuming 100% absorption from topical ocular exposure, this dose is hundreds of times daily dose that can be achieved with topical ophthalmic administration. In rabbits administered azithromycin at oral doses of 10, 20, and 40 mg/kg/day during organogenesis, reduced maternal body weight and food consumption were observed in all groups; no evidence of fetotoxicity or teratogenicity was observed at these doses, the highest of which is estimated to be at least 100 times topical ophthalmic dose assuming 100% absorption from ocular exposure. In a pre- and postnatal development study, azithromycin was administered orally to pregnant rats from day 6 of pregnancy until weaning at doses of 50 or 200 mg/kg/day. Maternal toxicity (reduced food consumption and body weight gain; increased stress at parturition) was observed at the higher dose. Effects in the offspring were noted at 200 mg/kg/day during the postnatal development period (decreased viability, delayed developmental landmarks). These effects were not observed in a pre- and postnatal rat study when up to 200 mg/kg/day of azithromycin was given orally beginning on day 15 of pregnancy until weaning. Assuming 100% absorption from topical ocular exposure, this dose is hundreds of times daily dose that can be achieved with topical ophthalmic administration.
Teratogenic effects
Pregnancy category A: Adequate and well-controlled studies in pregnant women have failed to demonstrate a risk to the fetus in the first trimester of pregnancy, and there is no evidence of a risk in later trimesters. Pregnancy category B: Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women. Pregnancy category C: Animal reproduction studies have shown an adverse effect on the fetus, there are no adequate and well-controlled studies in humans, and the benefits from the use of the drug in pregnant women may be acceptable despite its potential risks. Pregnancy category D: There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but the potential benefits from the use of the drug in pregnant women may be acceptable despite its potential risks (for example, if the drug is needed in a life-threatening situation or serious disease for which safer drugs cannot be used or are ineffective). Pregnancy category X: Studies in animals or humans have demonstrated fetal abnormalities or there is positive evidence of fetal risk based on adverse reaction reports from investigational or marketing experience, or both, and the risk of the use of the drug in a pregnant woman clearly outweighs any possible benefit (for example, safer drugs or other forms of therapy are available).Risk Summary Available data from published literature and postmarketing experience over several decades with azithromycin use in pregnant women have not identified any drug-associated risks for major birth defects, miscarriage, or adverse maternal or fetal outcomes ( see Data ). Developmental toxicity studies with azithromycin in rats, mice, and rabbits showed no drug-induced fetal malformations at doses up to 200 mg/kg/day. The doses used in these studies were orders of magnitude in excess of the clinical exposure that would be possible following topical ocular administration of azithromycin. ( see Data ). The estimated background risk of major birth defects and miscarriage for the indicated populations is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. Data Human Data Available data from published observational studies, case series, and case reports over several decades do not suggest an increased risk for major birth defects, miscarriage, or adverse maternal or fetal outcomes with oral or topical ophthalmic azithromycin use in pregnant women. Limitations of these data include the lack of randomization and inability to control for confounders such as underlying maternal disease and maternal use of concomitant medications. Animal Data Azithromycin administered during the period of organogenesis did not cause fetal malformations in rats and mice at oral doses up to 200 mg/kg/day (moderately maternally toxic). Assuming 100% absorption from topical ocular exposure, this dose is hundreds of times daily dose that can be achieved with topical ophthalmic administration. In rabbits administered azithromycin at oral doses of 10, 20, and 40 mg/kg/day during organogenesis, reduced maternal body weight and food consumption were observed in all groups; no evidence of fetotoxicity or teratogenicity was observed at these doses, the highest of which is estimated to be at least 100 times topical ophthalmic dose assuming 100% absorption from ocular exposure. In a pre- and postnatal development study, azithromycin was administered orally to pregnant rats from day 6 of pregnancy until weaning at doses of 50 or 200 mg/kg/day. Maternal toxicity (reduced food consumption and body weight gain; increased stress at parturition) was observed at the higher dose. Effects in the offspring were noted at 200 mg/kg/day during the postnatal development period (decreased viability, delayed developmental landmarks). These effects were not observed in a pre- and postnatal rat study when up to 200 mg/kg/day of azithromycin was given orally beginning on day 15 of pregnancy until weaning. Assuming 100% absorption from topical ocular exposure, this dose is hundreds of times daily dose that can be achieved with topical ophthalmic administration.
Use in specific populations
Information about use of the drug by patients in specific populations, including pregnant women and nursing mothers, pediatric patients, and geriatric patients.8 USE IN SPECIFIC POPULATIONS 8.1 Pregnancy Risk Summary Available data from published literature and postmarketing experience over several decades with azithromycin use in pregnant women have not identified any drug-associated risks for major birth defects, miscarriage, or adverse maternal or fetal outcomes ( see Data ). Developmental toxicity studies with azithromycin in rats, mice, and rabbits showed no drug-induced fetal malformations at doses up to 200 mg/kg/day. The doses used in these studies were orders of magnitude in excess of the clinical exposure that would be possible following topical ocular administration of azithromycin. ( see Data ). The estimated background risk of major birth defects and miscarriage for the indicated populations is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. Data Human Data Available data from published observational studies, case series, and case reports over several decades do not suggest an increased risk for major birth defects, miscarriage, or adverse maternal or fetal outcomes with oral or topical ophthalmic azithromycin use in pregnant women. Limitations of these data include the lack of randomization and inability to control for confounders such as underlying maternal disease and maternal use of concomitant medications. Animal Data Azithromycin administered during the period of organogenesis did not cause fetal malformations in rats and mice at oral doses up to 200 mg/kg/day (moderately maternally toxic). Assuming 100% absorption from topical ocular exposure, this dose is hundreds of times daily dose that can be achieved with topical ophthalmic administration. In rabbits administered azithromycin at oral doses of 10, 20, and 40 mg/kg/day during organogenesis, reduced maternal body weight and food consumption were observed in all groups; no evidence of fetotoxicity or teratogenicity was observed at these doses, the highest of which is estimated to be at least 100 times topical ophthalmic dose assuming 100% absorption from ocular exposure. In a pre- and postnatal development study, azithromycin was administered orally to pregnant rats from day 6 of pregnancy until weaning at doses of 50 or 200 mg/kg/day. Maternal toxicity (reduced food consumption and body weight gain; increased stress at parturition) was observed at the higher dose. Effects in the offspring were noted at 200 mg/kg/day during the postnatal development period (decreased viability, delayed developmental landmarks). These effects were not observed in a pre- and postnatal rat study when up to 200 mg/kg/day of azithromycin was given orally beginning on day 15 of pregnancy until weaning. Assuming 100% absorption from topical ocular exposure, this dose is hundreds of times daily dose that can be achieved with topical ophthalmic administration. 8.2 Lactation Risk Summary Azithromycin is present in human milk ( see Data ). Non-serious adverse reactions have been reported in breastfed infants after maternal administration of oral azithromycin. There are no available data on the effects of azithromycin on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for AzaSite and any potential adverse effects on the breastfed infant from AzaSite. Data Azithromycin breastmilk concentrations were measured in 20 women after receiving a single 2 g oral dose of azithromycin during labor. Breastmilk samples collected on days 3 and 6 postpartum as well as 2 and 4 weeks postpartum revealed the presence of azithromycin in breastmilk up to 4 weeks after dosing. In another study, a single dose of azithromycin 500 mg was administered intravenously to 8 women prior to incision for cesarean section. Breastmilk (colostrum) samples obtained between 12 and 48 hours after dosing revealed that azithromycin persisted in breastmilk up to 48 hours. 8.4 Pediatric Use The safety and effectiveness of AzaSite solution in pediatric patients have been established. The efficacy of AzaSite in treating bacterial conjunctivitis in pediatric patients has been demonstrated in controlled clinical trials [see Clinical Studies (14) ] . 8.5 Geriatric Use No overall differences in safety or effectiveness have been observed between elderly and younger patients.
How supplied
Information about the available dosage forms to which the labeling applies, and for which the manufacturer or distributor is responsible. This field ordinarily includes the strength of the dosage form (in metric units), the units in which the dosage form is available for prescribing, appropriate information to facilitate identification of the dosage forms (such as shape, color, coating, scoring, and National Drug Code), and special handling and storage condition information.16 HOW SUPPLIED/STORAGE AND HANDLING AzaSite® is a sterile aqueous topical ophthalmic formulation of 1% azithromycin. NDC 82584-307-03: 2.5 mL in 5 mL bottle containing a total of 25 mg of azithromycin in a white, oblong, low-density polyethylene (LDPE) bottle, with a clear LDPE dropper tip, and a tan colored high density polyethylene (HDPE) eyedropper cap. A white tamper evident over-cap is provided. Storage and Handling Store unopened bottle under refrigeration at 2° to 8°C (36° to 46°F). Once the bottle is opened, store at 2° to 25°C (36° to 77°F) for up to 14 days. Discard after the 14 days. The white tamper evident over-cap can be thrown away. Retain the tan cap and keep the bottle tightly closed when not in use.
Storage and handling
Information about safe storage and handling of the drug product.Storage and Handling Store unopened bottle under refrigeration at 2° to 8°C (36° to 46°F). Once the bottle is opened, store at 2° to 25°C (36° to 77°F) for up to 14 days. Discard after the 14 days. The white tamper evident over-cap can be thrown away. Retain the tan cap and keep the bottle tightly closed when not in use.
Disclaimer: Do not rely on openFDA or Phanrmacy Near Me to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. Source: OpenFDA, Healthporta Drugs API