Synthetic statins: more data on newer lipid-lowering agents

Extensive trial evidence supports the use of hydroxy-methyl-glutaryl-CoA reductase inhibitors (HMG-CoA-RI; statins) in atherosclerotic disease. Statins can be divided into two broad groups: the 'natural' statins derived from a fungal metabolites, and synthetic compounds. Whether all statins have similar anti-atherosclerotic properties, or whether these actions are specific to the 'natural' statins, is controversial. This commentary reviews the differences between natural and synthetic statins with regard to lipid-lowering and non-lipid-lowering effects, including their action on the acute phase reactant C-reactive protein. Among the newer synthetic statins, fluvastatin has some positive end-point evidence while cerivastatin shares many biochemical properties with the 'natural' statins. Extensive clinical trial programmes are underway with both atorvastatin and cerivastatin. These trials will give a definitive answer to the question of whether synthetic statins are as equally efficacious as 'natural' statins in preventing atherosclerotic events.