NDAINJECTIONINJECTABLE
Approved
May 1949
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Mechanism of Action
CLINICAL PHARMACOLOGY Beta-carotene, retinol, and retinal have effective and reliable vitamin A activity. Retinal and retinol are in chemical equilibrium in the body and have equivalent antixerophthalmic activity. Retinal combines with the rod pigment, opsin, in the retina to form rhodopsin,…