FEMHRT
LOE Approachingethinyl estradiol; norethindrone acetate
NDAORALTABLET
Approved
Oct 1999
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Mechanism of Action
CLINICAL PHARMACOLOGY Endogenous estrogens are largely responsible for the development and maintenance of the female reproductive system and secondary sexual characteristics. Although circulating estrogens exist in a dynamic equilibrium of metabolic interconversions, estradiol is the principal…