![]() 1010 Wins | Pfizer ends development of key cholesterol drug Khaleej Times - NEW YORK - In a surprising setback for the worldâs largest drugmaker Pfizer Inc. halted development on Saturday of its top experimental medicine the cholesterol drug torcetrapib due to safety concerns. Pfizer Stops Trial on Torcetrapib Cholesterol Pill (Update4) Pfizer ends trials development on cholesterol drug |