Pleiotropy (drugs) can respond to them, because the endogenous ones are endocrine messengers. Pleiotropy (drugs) In pharmacology, pleiotropy includes all of a drug's actions other than those for which the agent was specifically developed. It may include adverse effects which are detrimental ones, but is often used to denote additional beneficial effects. For example, statins are HMG-CoA reductase inhibitors that primarily act by decreasing cholesterol synthesis, but which are believed to have other beneficial effects, including acting as antioxidants and stabilizing atherosclerotic plaques. Steroid drugs, such as prednisone and prednisolone, have pleiotropic effects, including systemic ones, for the same reason that endogenous
Specialty drugs in the United States cost hospitals millions of dollars. There is a debate about whether specialty drugs should be managed as a medical benefit or a pharmaceutical benefit. Infused or injected medications are usually covered under the medical benefit and oral medications are covered under the pharmacy benefit. Self-injected medications may be either. "Many biologics, such as chemotherapy drugs, are administered in a doctor's office and require extensive monitoring, further driving up costs." Chemotherapy is usually delivered intravenously, although a number of agents can be administered orally (e.g. specialty drugs, melphalan (trade name Alkeran), busulfan, capecitabine). Delcath Systems, Inc. (NASDAQ: DCTH) a specialty pharmaceutical