Roche says that an experimental diabetes therapy in-licensed from France's Ipsen proved more effective than Eli Lilly's Byetta in lowering blood sugar in a late-stage trial. The full set of data will be released at an upcoming scientific meeting, but for now Roche says that taspoglutide worked better than Byetta after 24 weeks of therapy. Roche holds the rights to the drugs in all countries except France and Japan. Ipsen has the rights to co-promotion rights in France. Roche plans on seven more late-stage trials of the drug, which is a potential blockbuster. Story