Persistence Market Research Released New Market Report on "Global Market Study on Biological Drugs: North America to Witness Highest Growth by 2020” the global biological drugs market is estimated at USD 1, 61,056.5 million in 2014 and is expected to grow at a CAGR of 10.1% from 2014 to 2020, to reach an estimated value of USD 2, 87,139.7 million in 2020.