Many existing drugs work by affecting the supply or use of insulin.
Many existing drugs have been found to increase adiponectin levels, including statins (e.g. pravastatin, simvastatin, rosuvastatin and atorvastatin), angiotensin converting enzyme inhibitors and angiotensin receptor blockers (e.g. ramipril, quinapril, telmisartan, irbesartan and candesartan), β-adrenergic agonists, and thiazolidinediones (e.g. pioglitazone and rosiglitazone) [ 32].
An orexin receptor is the kind of place that many existing drugs are designed to reach.
There is a huge demand for new drugs in this area because many existing drugs don't work.
Many existing drugs are derived from plants, and many more await discovery; according to the biodiversity nonprofit E.T.C. Group, contemporary bioprospecting is five thousand times more likely to result in a new drug if the process is guided by traditional knowledge, as opposed to random screening.
At the moment, industry lobbyists, among them Mr. Boggs, the Democrat, and Mr. Barbour, the Republican, are swarming through the halls of Congress because the House is about to consider a Senate-passed bill to extend the industry's monopoly patents by six months on many existing drugs -- a measure that could reap billions for the industry but cost consumers.
But many cardiologists say the drought is less worrisome than the fact that many existing drugs are not being used enough.
Every year, pharmaceutical companies launch newly developed drugs and products while removing many existing drugs from the market.
Thus, Campillos et al. have successfully explored side-effect information generated from the use of 746 marketed drugs to infer their molecular activity and predict additional targets for many existing drugs often implicated in different therapeutic categories, some of which were validated experimentally.
