WILMINGTON, Del.--(BUSINESS WIRE)--Incyte Corporation (Nasdaq:INCY) announced today additional positive results from an ongoing Phase I/II clinical trial for its selective oral sheddase inhibitor, INCB7839, involving 66 patients with HER2-positive metastatic breast cancer during a poster session at the American Society of Clinical Oncology (ASCO) meeting in Chicago, IL, June 4 to June 8, 2010.