Multinational pharmaceutical companies changed their attitude on blockbuster whose patents have expired

Multinational pharmaceutical companies changed their attitude on blockbuster whose patents have expired. In the old days, they used to cut the marketing budget and stopped investment on research. However, they are now being armed with new strategies and data.

A prime example is hyperlipidemia treatment 'Lipito (Atorvastatin)' and 'Cresto (Rosuvastatin)'. Pfizer is holding no.1 drug in the mark...