FDA Approves GORE® CARDIOFORM Septal Occluder for PFO Closure to Prevent Recurrent Ischemic Stroke

FLAGSTAFF, Ariz., April 3, 2018 /PRNewswire/ -- Following the unprecedented Gore REDUCE Clinical Study conclusion that closure of patent foramen ovale (PFO) can prevent recurrent ischemic strokes, W. L. Gore & Associates, Inc. (Gore) has received approval from the U.S. Food and Drug Administration (FDA) for an expanded indication for its GORE® CARDIOFORM Septal Occluder. The device, already approved for closure of atrial septal defects (ASDs) up to 17 mm, is now also approved for the closure of PFO to reduce the risk of recurrent ischemic stroke in certain patients.*

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"The FDA approval of the GORE CARDIOFORM Septal Occluder for PFO closure marks a significant milestone in the long journey to confirm the heart-brain relationship connecting PFO and stroke," said John Rhodes, MD, Medical University of South Carolina, and U.S. Interventional Cardiologist National Principal Investigator for the REDUCE Study. "The soft and conformable design of Gore's device is ideal for providing long-term repair of PFOs of any shunt size. I am pleased that a device I have grown to trust for ASD closure is now FDA approved for PFO closure as well. I am also impressed with the rate of serious adverse events in the REDUCE Study, which showed no significant difference in risk between closure and medical therapy alone. The clear reduction in recurrent ischemic stroke provided by PFO closure far outweighs the low risk of serious adverse events."

The expanded FDA indication was supported by the REDUCE Study, the first and only study to demonstrate that closure of PFO can significantly prevent recurrent ischemic strokes, regardless of PFO anatomy. The results were published in the New England Journal of Medicine in September 2017 and presented at the European Stroke Organisation Conference (ESOC) last May.

"The groundbreaking results of the REDUCE Study changed the neurology community's perspective on PFO closure when they were announced," said Scott Kasner, MD, Neurologist in the Perelman School of Medicine at the University of Pennsylvania, and U.S. Neurology National Principal Investigator for the REDUCE Study. "The REDUCE Study was the first U.S. Investigational Device Exemption (IDE) study to show a statistically significant reduction in stroke recurrence in the primary intent-to-treat analysis. It was also the first study to show PFO closure reduces new brain infarct. I am excited that the GORE CARDIOFORM Septal Occluder is now FDA approved for PFO closure and believe these data prove the value of closing PFOs to prevent recurrent ischemic stroke when utilized in an appropriate patient population."

The REDUCE Study is the only PFO U.S. IDE study to meet its primary endpoint in the primary intent-to-treat analysis. Results showed a statistically significant, 77 percent, reduction in recurrent ischemic stroke in patients who underwent PFO closure with a Gore device in conjunction with antiplatelet therapy, versus those who underwent antiplatelet therapy alone, after an average of 3.4 years of follow-up. The study also met its other primary endpoint of reduction of new brain infarct, inclusive of clinically evident and clinically silent brain infarct, through PFO closure, yielding a 49 percent relative risk reduction.

"With the FDA approval of the GORE CARDIOFORM Septal Occluder for PFO closure, we can now provide physicians with one device that can be used for both ASDs and PFOs," said David Abeyta, Leader of the Gore Medical Products Division. "The value of closing PFOs has historically been debated, mainly due to a lack of sufficient data. We are enthusiastic that our positive REDUCE Study results allowed us to obtain an expanded FDA indication for this device and strongly believe the data show this is a prevention strategy for reducing the risk of recurrent ischemic stroke in patients with a PFO."

The catheter-delivered GORE CARDIOFORM Septal Occluder* leverages Gore's more than 15 years of experience in endovascular structural heart devices and more than 35,000 occluder implants worldwide. It comprises two independent conformable discs that span and cover the heart's anatomy to close defects. Gore's proprietary ePTFE film covers the minimal wire frame, which provides optimal apposition to surrounding anatomy and enables rapid tissue ingrowth for immediate closure and lasting long-term performance.

* For complete indications and other important safety information for Gore commercial products referenced herein, refer to the applicable Instructions for Use (IFU).

ABOUT STROKE AND PFO
In the U.S., stroke is the leading preventable cause of long-term severe disability and the fifth-leading cause of death. One third of ischemic strokes are cryptogenic, or due to unknown cause. Most people with a PFO — a hole occurring in the upper wall between the left and right atria of the heart — do not experience any issues when blood flows from one atrium to the other; however, serious problems such as stroke can arise if a blood clot passes from the right to left atria through a PFO and then to the brain. Studies have shown that PFO can be found in up to 40 percent to 50 percent of patients who have had a cryptogenic stroke.

MEDICAL PRODUCTS DIVISION
Gore Medical Products Division engineers devices that treat a range of cardiovascular and other health conditions. With more than 40 million medical devices implanted over the course of more than 40 years, Gore builds on its legacy of improving patient outcomes through research, education and quality initiatives. Product performance, ease of use and quality of service provide sustainable cost savings for physicians, hospitals and insurers. Gore is joined in service with clinicians and through this collaboration we are improving lives. www.goremedical.com

ABOUT W. L. GORE & ASSOCIATES
W. L. Gore & Associates is a global materials science company dedicated to transforming industries and improving lives. Founded in 1958, Gore has built a reputation for solving complex technical challenges in the most demanding environments — from revolutionizing the outerwear industry with GORE-TEX® fabric to creating medical devices that improve and save lives to enabling new levels of performance in the aerospace, pharmaceutical and mobile electronics markets, among other industries. The company is also known for its strong, team-oriented culture and continued recognition from the Great Place to Work® Institute. Headquartered in Newark, Del., Gore employs approximately 9,500 Associates and generates annual revenues that exceed $3 billion. www.gore.com

Products listed may not be available in all markets.

GORE®, GORE-TEX®, and CARDIOFORM are trademarks of W. L. Gore & Associates AW1593-EN1 February 2018

SOURCE W. L. Gore & Associates, Inc.

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