Comparative Pharmacology
Head-to-head clinical analysis: BIMATOPROST versus XALATAN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: BIMATOPROST versus XALATAN.
BIMATOPROST vs XALATAN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Bimatoprost is a synthetic prostamide analog that selectively mimics the effects of prostamide F2α. It binds to prostaglandin F (FP) receptors on ciliary muscle cells and trabecular meshwork cells, increasing uveoscleral outflow and possibly trabecular outflow of aqueous humor, thereby reducing intraocular pressure. It also directly stimulates the prostaglandin FP receptor, leading to increased matrix metalloproteinase activity and remodeling of the extracellular matrix in the ciliary body.
Latanoprost is a prostaglandin F2α analogue that reduces intraocular pressure by increasing the outflow of aqueous humor through the uveoscleral pathway.
One drop of 0.01% or 0.03% ophthalmic solution instilled into the affected eye(s) once daily in the evening.
One drop (1.5 mg/mL) in the affected eye(s) once daily in the evening.
None Documented
None Documented
Clinical Note
moderateBimatoprost + Unoprostone
"Bimatoprost may increase the hypotensive activities of Unoprostone."
Clinical Note
moderateBimatoprost + Hydrochlorothiazide
"Bimatoprost may increase the hypotensive activities of Hydrochlorothiazide."
Clinical Note
moderateBimatoprost + Epoprostenol
"Bimatoprost may increase the hypotensive activities of Epoprostenol."
Clinical Note
moderateVardenafil + Bimatoprost
"Vardenafil may increase the antihypertensive activities of Bimatoprost."
Terminal half-life: ~45 minutes (intravenous); after topical ocular administration, systemic half-life is similar due to rapid systemic clearance, with clinical effect lasting 24 hours due to ocular tissue binding
Terminal elimination half-life of latanoprost acid is approximately 17 minutes; clinically, intraocular pressure reduction persists for 24 hours due to long receptor residence time.
Renal: <67% (unchanged and metabolites), Biliary/fecal: ~25%
Renal (approximately 50% as metabolites, <1% as unchanged drug); biliary/fecal (remainder).
Category C
Category C
Prostaglandin Analog
Prostaglandin Analog