Provided are a number of compounds structurally related to OSW-1, a natural compound that binds OSBPs. Also provided are pharmaceutical compositions comprising the OSW-1 analogs, as well as methods for use of these OSW-1 analogs, or pharmaceutically acceptable salts, enantiomers, or stereoisomers thereof in the treatment of atherosclerosis. Alzheimers disease, and cancer, including p21-deficient cancer. Conjugates of OSW-1 analogs with monoclonal antibodies, including monoclonal antibodies targeted to cancer cells, are also provided. Also provided are pharmaceutical compositions comprising the conjugates, as well as methods for use of these conjugates, in the treatment of cancer, including p21-deficient cancer.
