LASTACAFT™
(ALCAFTADINE) OPHTHALMIC SOLUTION
DRUG DESCRIPTION
LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) IS A STERILE, TOPICALLY ADMINISTERED H1 RECEPTOR ANTAGONIST CONTAINING ALCAFTADINE FOR OPHTHALMIC USE.
ALCAFTADINE IS A WHITE TO YELLOW POWDER WITH AN EMPIRICAL FORMULA OF C19H21N3O AND A MOLECULAR WEIGHT OF 307.39.
CONTAINS:
ACTIVE: ALCAFTADINE 0.25% (2.5 MG/ML) PRESERVATIVE: BENZALKONIUM CHLORIDE 0.005%
INACTIVES: EDETATE DISODIUM, MONOBASIC SODIUM PHOSPHATE, PURIFIED WATER, SODIUM CHLORIDE, SODIUM HYDROXIDE AND/OR HYDROCHLORIC ACID (TO ADJUST PH)
CHEMICAL NAME: 6,11-DIHYDRO-11-(1-METHYL-4-PIPERIDINYLIDENE)-5#-IMIDAZO[2,1-B] [3] BENZAZEPINE-3-CARBOXALDEHYDE
STRUCTURAL FORMULA:
THE DRUG PRODUCT HAS A PH OF APPROXIMATELY 7 AND AN OSMOLALITY OF APPROXIMATELY 290 MOSM/KG.
WHAT ARE THE PRECAUTIONS WHEN TAKING ALCAFTADINE OPHTHALMIC SOLUTION (LASTACAFT)?
BEFORE USING ALCAFTADINE, TELL YOUR DOCTOR OR PHARMACIST IF YOU ARE ALLERGIC TO IT; OR IF YOU HAVE ANY OTHER ALLERGIES. THIS PRODUCT MAY CONTAIN INACTIVE INGREDIENTS, WHICH CAN CAUSE ALLERGIC REACTIONS OR OTHER PROBLEMS. TALK TO YOUR PHARMACIST FOR MORE DETAILS.
BEFORE USING THIS MEDICATION, TELL YOUR DOCTOR OR PHARMACIST YOUR MEDICAL HISTORY, ESPECIALLY OF: CONTACT LENS USE.
AFTER YOU APPLY THIS DRUG, YOUR VISION MAY BE TEMPORARILY UNCLEAR. DO NOT DRIVE, USE MACHINERY, OR DO ANY ACTIVITY THAT REQUIRES CLEAR VISION UNTIL YOU ARE SURE YOU CAN PERFORM SUCH ACTIVITIES SAFELY.
BEFORE HAVING SURGERY, TELL YOUR DOCTOR OR DENTIST ABOUT ALL THE PRODUCTS YOU USE (INCLUDING PRESCRIPTION DRUGS, NONPRESCRIPTION DRUGS, AND HERBAL PRODUCTS).
IF YOU DEVELOP AN EYE INFECTION...
READ ALL POTENTIAL PRECAUTIONS OF LASTACAFT »
INDICATIONS
LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) IS A H1 HISTAMINE RECEPTOR ANTAGONIST INDICATED FOR THE PREVENTION OF ITCHING ASSOCIATED WITH ALLERGIC CONJUNCTIVITIS.
DOSAGE AND ADMINISTRATION
INSTILL ONE DROP IN EACH EYE ONCE DAILY.
HOW SUPPLIED
DOSAGE FORMS AND STRENGTHS
TOPICAL OPHTHALMIC SOLUTION CONTAINING ALCAFTADINE, 0.25% (2.5 MG/ML).
STORAGE AND HANDLING
LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) 0.25% IS SUPPLIED IN AN OPAQUE, WHITE LOW-DENSITY POLYETHYLENE BOTTLE WITH A WHITE POLYPROPYLENE CAP.
3 ML FILL IN 5 ML BOTTLE (NDC 68669-41203)
SIDE EFFECTS
BECAUSE CLINICAL TRIALS ARE CONDUCTED UNDER WIDELY VARYING CONDITIONS, ADVERSE REACTION RATES OBSERVED IN THE CLINICAL TRIALS OF A DRUG CANNOT BE DIRECTLY COMPARED TO RATES IN THE CLINICAL TRIALS OF ANOTHER DRUG AND MAY NOT REFLECT THE RATES OBSERVED IN CLINICAL PRACTICE.
OCULAR ADVERSE REACTIONS
THE MOST FREQUENT OCULAR ADVERSE REACTIONS, OCCURRING IN < 4% OF LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) -TREATED EYES, WERE EYE IRRITATION, BURNING AND/OR STINGING UPON INSTILLATION, EYE REDNESS AND EYE PRURITUS.
NON-OCULAR ADVERSE REACTIONS
THE MOST FREQUENT NON-OCULAR ADVERSE REACTIONS, OCCURRING IN < 3% OF SUBJECTS WITH LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) -TREATED EYES, WERE NASOPHARYNGITIS, HEADACHE AND INFLUENZA. SOME OF THESE EVENTS WERE SIMILAR TO THE UNDERLYING DISEASE BEING STUDIED.
WARNINGS
INCLUDED AS PART OF THE PRECAUTIONS SECTION.
PRECAUTIONS
CONTAMINATION OF TIP AND SOLUTION
TO MINIMIZE CONTAMINATING THE DROPPER TIP AND SOLUTION, CARE SHOULD BE TAKEN NOT TO TOUCH THE EYELIDS OR SURROUNDING AREAS WITH THE DROPPER TIP OF THE BOTTLE. KEEP BOTTLE TIGHTLY CLOSED WHEN NOT IN USE.
CONTACT LENS USE
PATIENTS SHOULD BE ADVISED NOT TO WEAR A CONTACT LENS IF THEIR EYE IS RED.
LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) SHOULD NOT BE USED TO TREAT CONTACT LENS-RELATED IRRITATION.
LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) SHOULD NOT BE INSTILLED WHILE WEARING CONTACT LENSES. REMOVE CONTACT LENSES PRIOR TO INSTILLATION OF LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) . THE PRESERVATIVE IN LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) , BENZALKONIUM CHLORIDE, MAY BE ABSORBED BY SOFT CONTACT LENSES. LENSES MAY BE REINSERTED AFTER I0 MINUTES FOLLOWING ADMINISTRATION OF LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) .
TOPICAL OPHTHALMIC USE ONLY
LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) IS FOR TOPICAL OPHTHALMIC USE ONLY.
NONCLINICAL TOXICOLOGY
CARCINOGENESIS, MUTAGENESIS, IMPAIRMENT OF FERTILITY
ALCAFTADINE WAS NOT MUTAGENIC OR GENOTOXIC IN THE AMES TEST, THE MOUSE LYMPHOMA ASSAY OR THE MOUSE MICRONUCLEUS ASSAY.
ALCAFTADINE WAS FOUND TO HAVE NO EFFECT ON FERTILITY OF MALE AND FEMALE RATS AT ORAL DOSES UP TO 20 MG/KG/DAY (APPROXIMATELY 200 TIMES THE PLASMA EXPOSURE AT THE RECOMMENDED HUMAN OCULAR DOSE).
USE IN SPECIFIC POPULATIONS
PREGNANCY
PREGNANCY CATEGORY B. REPRODUCTION STUDIES PERFORMED IN RATS AND RABBITS REVEALED NO EVIDENCE OF IMPAIRED FEMALE REPRODUCTION OR HARM TO THE FETUS DUE TO ALCAFTADINE. ORAL DOSES IN RATS AND RABBITS OF 20 AND 80 MG/KG/DAY, RESPECTIVELY, PRODUCED PLASMA EXPOSURE LEVELS APPROXIMATELY 200 AND 9000 TIMES THE PLASMA EXPOSURE AT THE RECOMMENDED HUMAN OCULAR DOSE. THERE ARE HOWEVER, NO ADEQUATE AND WELL CONTROLLED STUDIES IN PREGNANT WOMEN. BECAUSE ANIMAL REPRODUCTION STUDIES ARE NOT ALWAYS PREDICTIVE OF HUMAN RESPONSE, THIS DRUG SHOULD BE USED DURING PREGNANCY ONLY IF CLEARLY NEEDED.
NURSING MOTHERS
IT IS NOT KNOWN WHETHER THIS DRUG IS EXCRETED IN HUMAN MILK. BECAUSE MANY DRUGS ARE EXCRETED IN HUMAN MILK, CAUTION SHOULD BE EXERCISED WHEN LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) IS ADMINISTERED TO A NURSING WOMAN.
PEDIATRIC USE
SAFETY AND EFFECTIVENESS IN PEDIATRIC PATIENTS BELOW THE AGE OF 2 YEARS HAVE NOT BEEN ESTABLISHED.
GERIATRIC USE
NO OVERALL DIFFERENCES IN SAFETY OR EFFECTIVENESS WERE OBSERVED BETWEEN ELDERLY AND YOUNGER SUBJECTS.
OVERDOSE
NO INFORMATION PROVIDED.
CONTRAINDICATIONS
NONE.
CLINICAL PHARMACOLOGY
MECHANISM OF ACTION
ALCAFTADINE IS A H1 HISTAMINE RECEPTOR ANTAGONIST AND INHIBITOR OF THE RELEASE OF HISTAMINE FROM MAST CELLS. DECREASED CHEMOTAXIS AND INHIBITION OF EOSINOPHIL ACTIVATION HAS ALSO BEEN DEMONSTRATED
PHARMACOKINETICS
ABSORPTION
FOLLOWING BILATERAL TOPICAL OCULAR ADMINISTRATION OF ALCAFTADINE OPHTHALMIC SOLUTION, 0.25%, THE MEAN PLASMA CMAX OF ALCAFTADINE WAS APPROXIMATELY 60 PG/ML AND THE MEDIAN TMAX OCCURRED AT 15 MINUTES. PLASMA CONCENTRATIONS OF ALCAFTADINE WERE BELOW THE LOWER LIMIT OF QUANTIFICATION (10 PG/ML) BY 3 HOURS AFTER DOSING. THE MEAN CMAX OF THE ACTIVE CARBOXYLIC ACID METABOLITE WAS APPROXIMATELY 3 NG/ML AND OCCURRED AT 1 HOUR AFTER DOSING. PLASMA CONCENTRATIONS OF THE CARBOXYLIC ACID METABOLITE WERE BELOW THE LOWER LIMIT OF QUANTIFICATION (100 PG/ML) BY 12 HOURS AFTER DOSING. THERE WAS NO INDICATION OF SYSTEMIC ACCUMULATION OR CHANGES IN PLASMA EXPOSURE OF ALCAFTADINE OR THE ACTIVE METABOLITE FOLLOWING DAILY TOPICAL OCULAR ADMINISTRATION.
DISTRIBUTION
THE PROTEIN BINDING OF ALCAFTADINE AND THE ACTIVE METABOLITE ARE 39.2% AND 62.7%, RESPECTIVELY.
METABOLISM
THE METABOLISM OF ALCAFTADINE IS MEDIATED BY NON-CYP450 CYTOSOLIC ENZYMES TO THE ACTIVE CARBOXYLIC ACID METABOLITE.
EXCRETION
THE ELIMINATION HALF-LIFE OF THE CARBOXYLIC ACID METABOLITE IS APPROXIMATELY 2 HOURS FOLLOWING TOPICAL OCULAR ADMINISTRATION. BASED ON DATA FOLLOWING ORAL ADMINISTRATION OF ALCAFTADINE, THE CARBOXYLIC ACID METABOLITE IS PRIMARILY ELIMINATED UNCHANGED IN THE URINE.
IN VITRO STUDIES SHOWED THAT NEITHER ALCAFTADINE NOR THE CARBOXYLIC ACID METABOLITE SUBSTANTIALLY INHIBITED REACTIONS CATALYZED BY MAJOR CYP450 ENZYMES.
CLINICAL STUDIES
CLINICAL EFFICACY WAS EVALUATED IN CONJUNCTIVAL ALLERGEN CHALLENGE (CAC) STUDIES. LASTACAFT™ (ALCAFTADINE OPHTHALMIC SOLUTION) WAS MORE EFFECTIVE THAN ITS VEHICLE IN PREVENTING OCULAR ITCHING IN PATIENTS WITH ALLERGIC CONJUNCTIVITIS INDUCED BY AN OCULAR ALLERGEN CHALLENGE, BOTH AT 3 MINUTES POST-DOSING AND AT 16 HOURS POST-DOSING OF LASTACAFT (ALCAFTADINE OPHTHALMIC SOLUTION) .
THE SAFETY OF LASTACAFT (ALCAFTADINE OPHTHALMIC SOLUTION) WAS EVALUATED IN A RANDOMIZED CLINICAL STUDY OF 909 SUBJECTS OVER A PERIOD OF 6 WEEKS.
PATIENT INFORMATION
STERILITY OF DROPPER TIP
PATIENTS SHOULD BE ADVISED TO NOT TOUCH DROPPER TIP TO ANY SURFACE, AS THIS MAY CONTAMINATE THE CONTENTS.
CONCOMITANT USE OF CONTACT LENSES
PATIENTS SHOULD BE ADVISED NOT TO WEAR A CONTACT LENS IF THEIR EYE IS RED. PATIENTS SHOULD BE ADVISED THAT LASTACAFT (ALCAFTADINE OPHTHALMIC SOLUTION) SHOULD NOT BE USED TO TREAT CONTACT LENS-RELATED IRRITATION. PATIENTS SHOULD ALSO BE ADVISED TO REMOVE CONTACT LENSES PRIOR TO INSTILLATION OF LASTACAFT (ALCAFTADINE OPHTHALMIC SOLUTION) . THE PRESERVATIVE IN LASTACAFT (ALCAFTADINE OPHTHALMIC SOLUTION) , BENZALKONIUM CHLORIDE, MAY BE ABSORBED BY SOFT CONTACT LENSES. LENSES MAY BE REINSERTED AFTER 10 MINUTES FOLLOWING ADMINISTRATION OF LASTACAFT (ALCAFTADINE OPHTHALMIC SOLUTION) .