Gene therapy beats skin cancer in two men: study
Genetically altered immune cells   wiped out tumors in two men with a deadly form of skin cancer   and kept the patients disease-free for at least 18 months, U.S.   scientists said on Thursday.
Cheaper versions of biologic drugs can be made safely, a U.S. Senate panel heard on Thursday, but brand-name makers of the pricey therapies for cancer and other diseases warned substitutes could be risky.