Athersys buoyed by upbeat PhI stem cell data

Athersys (ATHX) has benefited from some upbeat buzz about its positive--though small--early-stage results for a prospective new stem cell therapy for victims of a heart attack. Patients who received a medium and high dose of its MultiStem therapy--a stem cell treatment derived from patients' bone marrow cells--demonstrated significantly improved heart function in a Phase I trial. A total of 19 patients were treated with the experimental therapy. "We are encouraged by the results of this Phase I...