Sanofi SA and Regeneron Pharmaceuticals Inc. will slash the U.S. list price of the companies’ potent but expensive cholesterol fighter Praluent by 60 percent.

Merck & Co. Inc. will not seek regulatory approval for its experimental cholesterol drug, anacetrapib, as the clinical profile of the treatment does not support regulatory filings.

AstraZeneca’s blood-thinner Brilinta cuts the risk of cardiovascular death by 29 percent in patients with a history of past heart attacks who keep taking it beyond the standard 12-month initial period, according to new clinical trial data.

Amgen Inc. said the U.S. FDA granted priority review to the company’s request to add important heart safety data to the label of its expensive injectable cholesterol drug Repatha.

German-based life sciences giant Bayer AG is digging a deep foundation in the booming biotech hub of Boston.