Cancer researchers led by Bruce Boman, M.D., Ph.D. director of Cancer Genetics and Stem Cell Biology at the Helen F. Graham Cancer Center of the Christiana Care Health System, and a faculty member at the University of Delaware, have discovered an enzyme common to both normal and malignant colon stem cells that will assist scientists searching for a cure for colon cancer.

The U.S. District Court for the District of Delaware has rendered a decision in the patent litigation between Alza Corporation, McNeil-PPC, Inc. and Andrx Pharmaceuticals LLC. McNeil Pediatrics, Division of Ortho-McNeil-Janssen Pharmaceuticals, Inc., which markets Concerta (methylphenidate HCI) Extended-Release Tablets CII, said the court held that the patent in suit is not valid or infringed by the filing of Andrx's Abbreviated New Drug Application.