Reuters - Teva Pharmaceutical Industries Ltd. said on Wednesday that its multiple sclerosis drug Copaxone was shown in a clinical trial to be effective in patients who had stopped responding to Avonex, a competing drug made by Biogen Idec.

Reuters - Biogen Idec and Elan Corp.'s Tysabri multiple sclerosis drug should return to the U.S. market, an advisory panel recommended on Wednesday.