The present invention provides methods for modulating the immune response of a subject to a therapeutic agent, the method comprising administering an effective amount of a triphenylethylene (TRIP) compound with an effective amount of the therapeutic agent. In particular embodiments, the TRIP compound enhances the immune response of the subject to the therapeutic agent. In some embodiments, the TRIP compound is administered in different dosing schedules to provide a biphasic immunomodulation effect.
