New-generation drugs have several side effects

"Almost a fourth of new-generation biological drugs produce serious side effects that lead to safety warnings soon after they go on the market, according to a new study. Researchers found that most of the warnings came within five years after these biologicals won government approval in the United States and Europe between 1995 and 2007. Arthritis drugs Humira and Remicade, cancer drugs Rituxan and Erbitux, and the heart failure drug Natrecor were among those under scrutiny in the new report. The unprecedented findings may come as a surprise to doctors who may have assumed that these biological treatments carried fewer risks than traditional chemical-based drugs" - redOrbit/JAMA