Novel antihypercholesterolemic agents are provided. An exemplary group of compounds has the structural formula (I) ##STR1## wherein R is a C-17 side chain, R.sup.1 is --OH, .dbd.O, or the like, and X and Y are N, N.fwdarw.O, CH, C--OH, C--OCH.sub.3 or C--Z. Methods of using the compound of formula (I) or other novel oxysterol analogs to treat hypercholesterolemia are provided, as are pharmaceutical compositions containing the compounds.
                            提供了新型抗高
胆固醇药物。一个示例化合物组具有结构式(I)其中R是C-17侧链,R.sup.1是--OH,.dbd.O,或类似物,X和Y是N,N.fwdarw.O,CH,C--OH,C--OCH.sub.3或C--Z。提供了使用化合物(I)的方法或其他新型氧化甾
醇类似物治疗高
胆固醇血症的方法,以及含有这些化合物的药物组合物。