Lanosterol synthase disease prevention and treatment (see Disease Relevance, below). Interest has grown in lanosterol synthase inhibitors as drugs to lower blood cholesterol and treat atherosclerosis. The widely popular statin drugs currently used to lower LDL (low-density lipoprotein) cholesterol function by inhibiting HMG-CoA reductase activity. Because this enzyme catalyzes the formation of precursors far upstream of (S)-2,3-epoxysqualene and cholesterol, statins may negatively influence amounts of intermediates required for other biosynthetic pathways (e.g. synthesis of isoprenoids, coenzyme Q). Thus, lanosterol synthase, which is more closely tied to cholesterol biosynthesis than HMG-CoA reductase, is an attractive drug target. Lanosterol synthase inhibitors are thought to
Specialty drugs in the United States not only costs more, but they also take longer to develop than other large market pharmaceuticals (See Drug development). In addition, there are often fewer drug choices for rare or hard-to-treat diseases. This results in less competition in the marketplace for these drugs due to patent protection, which allows these firms to act as monopolists (See Drug Price Competition and Patent Term Restoration Act). Due to this lack of competition, policies that serve to limit prices in other markets can be ineffective or even counter-productive when applied to specialty drugs. High prices for specialty drugs are a problem for both