Lipitor, a treatment for hyperlipidemia, kept the lead in outpatient prescription sales. Drugs developed with domestic technology such as Rosuzet and Zemiglo, led by HK inno.N's K-CAB, increased sales despite prolonged COVID-19. Original drugs are on a decreasing trend after patent expiration. According to UBIST, a drug research institute on the 20th, Pfizer's Lipitor took the lead in overall outpatient prescriptions with ₩43 billion in the first quarter.

Lipitor is an Atorvastatin-based treatment for hyperlipidemia, which Pfizer Korea introduced to the domestic market in 1999. After the expiration of the patent, the insurance drug price has dropped to half, and more than 130 generics have been p