SAN FRANCISCO – Abbott Laboratories expects that its self-expanding transcatheter aortic valve replacement (TAVR) system Portico will be able to become a top competitive product. A pivotal trial of Portico has found that the implant is noninferior to current FDA-approved TAVR systems that are marketed in the U.S. The results from the 750-patient, randomized trial were presented here last week at the Transcatheter Cardiovascular Therapeutics (TCT) conference.

Now that the existing inventory of FDA-approved transcatheter aortic valve replacement (TAVR) devices has received a green light for patients at low surgical risk, it’s tempting to think this device type has pretty much conquered all that lay before it. That’s not the case, however, as the question of bicuspid valve might be answered in a way that gives Edwards Lifesciences and Medtronic another sizeable patient population for their TAVR offerings. As is widely known, the FDA recently approved two TAVR devices each by Medtronic...