PRINCETON, N.J. & PARIS--(BUSINESS WIRE)--Medical device pioneer Stentys announced today that the first patient has been enrolled into the ‘APPOSITION II’ clinical study—a randomized trial comparing the Stentys self-expanding stent with a conventional balloon-expandable stent in AMI patients. The primary endpoint of the ‘APPOSITION II’ study is stent strut apposition at day three post-procedure via extremely high-resolution OCT (optical coherence tomography) imaging.