Generic drug makers Teva Pharmaceutical Industries and Sandoz say they are planning a significant ramp-up in production of biosimilars – copies of high-priced drugs used to treat illnesses such as rheumatoid arthritis and cancer – aiming to increase their share of an expanding market. More than 55 brand-name blockbuster biologic drugs, each with peak annual sales above $1 billion, are due to come off patent by the end of the decade, according to industry estimates.
