Comparative Pharmacology
Head-to-head clinical analysis: ALCAFTADINE versus LASTACAFT.
Head-to-head clinical analysis: ALCAFTADINE versus LASTACAFT.
ALCAFTADINE vs LASTACAFT
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Selective histamine H1 receptor antagonist; inhibits histamine release from mast cells and reduces ocular itch associated with allergic conjunctivitis.
Selective histamine H1 receptor antagonist; inhibits mast cell degranulation and reduces release of inflammatory mediators.
1 drop of 0.25% ophthalmic solution in each affected eye twice daily.
1 drop in each affected eye twice daily (approximately every 8 hours)
None Documented
None Documented
Terminal elimination half-life is approximately 2 hours (range 1.5–3 h) after topical ocular administration, appropriate for twice-daily dosing.
Clinical Note
moderateAlcaftadine + Betahistine
"The therapeutic efficacy of Betahistine can be decreased when used in combination with Alcaftadine."
Clinical Note
moderateAmphetamine + Alcaftadine
"Amphetamine may decrease the sedative activities of Alcaftadine."
Clinical Note
moderateDiethylpropion + Alcaftadine
"Diethylpropion may decrease the sedative activities of Alcaftadine."
Clinical Note
moderatePhentermine + Alcaftadine
Terminal elimination half-life is approximately 2 hours; clinically, dosing is twice daily.
Primarily renal (approximately 50% unchanged), with the remainder as metabolites; negligible biliary/fecal elimination.
Renal: approximately 70% as unchanged drug; fecal: approximately 30% as metabolites.
Category C
Category C
Ophthalmic Antihistamine
Ophthalmic Antihistamine
"Phentermine may decrease the sedative activities of Alcaftadine."