Because cholesterol synthesis decreases, hepatic
cell increase the number of LDL receptor on the surface of
the cells, which in turn increase the amount of LDL uptake
by the hepatic cells and decrease the amount of LDL in the
blood [3-5]. It is not official in I.P., B.P., and U.S.P. till date.
ATV is reported to be estimated by spectrophotometry and
HPLC individually or in combination with other drug