1. A drug-delivery system, comprising: an effective amount of an anti-proliferative agent; a body structure of an implantable medical device; and an effective amount of a steroidal anti-inflammatory agent or a non steroidal anti-inflammatory agent within the body structure of the device for the treatment of a vascular disorder or a related disorder; wherein the anti-proliferative agent is everolimus and the steroidal or non-steroidal anti-inflammatory agent is clobetasol, and wherein the ratio of the dose of everolimus to the dose of clobetasol is 1:1 to 3:1 on a molar basis.