
James Udelson, MD, discusses the Cycle-2-PEF trial, which ultimately supports the inverse dose-response hypothesis from companion trial Cycle-1-REF.

James Udelson, MD, is the chief of the division of cardiology at Tufts Medical Center.

James Udelson, MD, discusses the Cycle-2-PEF trial, which ultimately supports the inverse dose-response hypothesis from companion trial Cycle-1-REF.

James Udelson, MD, discusses the results of the Cycle-1-REF study, presented at HFSA 2026, that could support an inverse dose-response relationship with this PDE9 inhibitor.