Genetic Engineering News | Top 18 Best-Selling Drugs Launched in 2013 Genetic Engineering News Another new drug that could not make the list is Biogen Idec's Gazyva (obinutuzumab), a next-generation version of Rituxan (rituximab) approved and launched last year. The company reported only a combined $1.1 billion in sales for both versions in 2013 ... |