Generic drugs generally cost 80 percent less than brand-name drugs, so hopes were high when a law enacted in 2010 paved the way for competition among the highest-priced drugs of all, known as biologics.
But, as these competing drugs start to appear on the market, consumers aren't reaping a windfall.
On Monday, Pfizer said it would start selling Inflectra, its version of the blockbuster rheumatoid arthritis drug Remicade, in late November. But Inflectra, the second so-called biosimilar set to hit the market, isn't exactly a steal.