Roche immunotherapy shows response over range of cancers

By Bill Berkrot (Reuters) – An experimental Roche Holding AG drug that helps the immune system attack tumors was well tolerated and demonstrated an impressive effect against a variety of cancers, according to preliminary trial results released on Wednesday. While clinical testing of the drug is still in its early phases, the Roche treatment is considered one of the most promising in a new class of immunotherapies being developed by global drugmakers. …