Bristol’s New Anti-PD-1 Immunotherapy An ASCO High Point

Bristol-Myers Squibb’s “anti-PD-1,” an antibody that gets between immune system T-cells out to destroy cancer cells and a cancer defense mechanism that would tie them up, caught the fancy of attendees at the American Society of Clinical Oncology annual meeting in Chicago with Phase I data indicating the drug could be safer and more effective than Bristol’s breakthrough immunotherapeutic for melanoma, Yervoy.