ReliantHeart's aVAD intraventricular left ventricular assist device has received CE Mark.
Recently profiled by MD+DI, the aVAD is a light, intraventricular, axial flow LVAD that includes features like remote monitoring and flow measurement. These added capabilities may allow clinicians to detect potential patient problems earlier. "[aVAD is] feature rich. It will improve patient outcomes," said ReliantHeart CEO Rodger Ford.
The LVAD market is going through an evolution right now as major commercial players Thoratec and HeartWare have both been acquired by large medtech companies. Thoratec was acquired by St. Jude Medical last year; St. Jude Medical has since been purchased by Abbott ($ABT). Medtronic ($MDT) announced its acquisition of HeartWare in June.
Manufacturing of the aVAD is underway and 65 units are scheduled to be shipped in September and October, with 100 pumps expected to be available by year end, according to Ford. Pricing for the aVAD is expected to be equivalent to Thoratec's HeartMate 3 LVAD.
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Implants are set to start in Europe in September, with plans for a controlled launch at centers in Germany, Turkey, and London first. Up to 50 patients will be implanted and Ford said data will be collected at several timepoints after the procedure, including one, seven, 30, 90, and 160 days, or at the time of any adverse event. Some of the centers that will be part of the controlled launch are already familiar with ReliantHeart's HeartAssist5 LVAD, which has had CE Mark since 2013.
Surgeons will be able to implant the aVAD using the surgical approach of their choice, including a sternotomy or a left thoracotomy. "It's going to be dealer's choice," Ford said. "Why limit it? Some of these [surgeons] are really good at left thoracotomies. Let them do it."
The novel features aVAD offers may mean some surgeons need training to optimize its capabilities. Ford explained that because other LVADs have a calculated flow measurement, as opposed to the flow sensor aVAD uses, "the first thing [physicians] need to do is trust the flow." In addition, clinicians will need to gain experience with remote monitoring. Physicians will need to "set the alarms properly so that the thresholds for low flow or high power provide an advance warning of something that could be a bad outcome," Ford said.
ReliantHeart was able to attain CE Mark for aVAD without a trial because the pump's blood path is the same as the company's HeartAssist 5 LVAD, which already has CE Mark. "We've made this really powerful new pump but the blood path is exactly the same," Ford said.
An FDA animal trial is scheduled to begin this month and ReliantHeart is still anticipating a human FDA IDE trial to begin in early 2017. The animal trial is studying the aVAD with a disconnectable cable--a feature that is not yet incorporated into the CE Mark device. Once the aVAD with a disconnectable cable has been studied in animals, it will be substituted into Europe.
That disconnectable cable is important because it is intended to reduce the need for LVAD pump replacements due to driveline infections. It also is a stepping stone to ReliantHeart's next goal--the Liberty, a wirelessly-powered, fully implantable LVAD that would allow patients to live without being tethered to a battery pack or a cable emerging from their body.
[Image courtesy of ReliantHeart.com]