Generics As Januvia/Janumet (sitagliptin), a Merck & Co drug, nears patent expiry, India's drug price regulator National Pharmaceutical Pricing Authority (NPPA) has fixed the prices of fixed-dose combinations of several anti-diabetic drugs with a 50% reduction on the patented component in a move set to increase the price war in India's $2.3 billion anti-diabetic drugs market. Howls of protest have followed the move, reports The Pharma Letter’s India correspondent. 30 May 2022