Pfizer sues pharmas over arthritis drug patent

If successful, action could hit pharmacy dispensed biosim Brenzys Multinational pharmaceutical giant Pfizer is suing four other drug companies over allegedly breaching a patent for its rheumatoid arthritis treatment Enbrel (etanercept) by selling biosimilars of the blockbuster drug. If ultimately successful it could potentially lead to the withdrawal of Brenzys, the first community pharmacy dispensed