Medtronic Drug-Eluting Balloon Study Completes Enrollment

Wed Jan 23, 2013 10:00am EST

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Milestone in IN.PACT SFA II Brings FDA Submission for 
Promising Interventional Treatment of Peripheral Artery Disease One Step Closer in U.S.

MINNEAPOLIS -- Jan. 23, 2013 -- Medtronic, Inc. (NYSE: MDT), today announced completion of
enrollment in IN.PACT SFA II, the U.S. arm of its clinical study for the IN.PACT Admiral
drug-eluting balloon as a treatment for peripheral artery disease in the superficial femoral and
proximal popliteal arteries (SFA and PPA).  

IN.PACT SFA II is a prospective, multicenter, randomized controlled trial that enrolled 181
patients at more than 40 U.S. sites and randomized them 2:1 to treatment with either the IN.PACT
Admiral drug-eluting balloon (study arm) or a traditional, non-coated angioplasty balloon (control
arm). Its primary efficacy endpoint is primary patency, a measure of blood flow through the
treated arterial segment, at 12 months.

The principal investigators of IN.PACT SFA II are interventional cardiologist Dr. John Laird,
professor of medicine at the University of California Davis and medical director of the UC Davis
Vascular Center, and vascular surgeon Dr. Peter Schneider, chief of the vascular therapy division
at Kaiser Foundation Hospital and Hawaii Permanente Medical Group in Honolulu.


Results of IN.PACT SFA II will be combined with those from IN.PACT SFA I, which previously
completed enrollment of 150 patients in Europe, to support a premarket approval (PMA) application
to the U.S. Food and Drug Administration (FDA). 

"The European experience with IN.PACT drug-eluting balloons shows a promising interventional
treatment for peripheral artery disease in the lower extremities," said Dr. Prakash Krishnan,
assistant professor of medicine and director of endovascular intervention at Mount Sinai Heart in
New York, and the highest enroller of patients in IN.PACT SFA II. "We look forward to sharing the
U.S. experience of this innovative medical technology as the results of IN.PACT SFA II become
available." 

PACIFIER Trial Results

Meanwhile, results of European studies involving IN.PACT drug-eluting balloons continue to be
reported. For example, findings from the PACIFIER trial appeared in the December 2012 issue of
Circulation: Cardiovascular Interventions, showing a clinically-driven target lesion
revascularization rate at 12 months of 7.1 percent for the IN.PACT Pacific drug-eluting balloon
versus 27.9 percent for the non-coated balloon control arm (p=0.02). 

The prospective, multicenter, corelab-adjudicated, randomized controlled PACIFIER trial enrolled
85 patients with femoropopliteal lesions. Conducted in three German institutions, it included 91
randomized cases -- 44 treated with a drug-eluting balloon (study arm); 47 treated with a
non-coated balloon (control arm). 

The study met its primary endpoint by showing a statistically significant difference in reduction
of late lumen loss at six months for the cases that used a drug-eluting balloon as compared to
those that used a non-coated balloon (-0.01mm vs. 0.65mm, p=0.001). 

The PACIFIER trial defined major adverse events as death, amputation or target lesion
revascularization. At 12 months, there were significantly fewer major adverse events in the study
arm as compared to the control arm (7.1 percent vs. 34.9 percent, p=0.003). All three of the major
adverse events in the study arm were target lesion revascularizations; the control arm included 15
target lesion revascularizations and three deaths. None of the patients in the study had an
amputation.

IN.PACT Clinical Program

"With seven femoropopliteal trials featuring IN.PACT drug-eluting balloons presented at medical
meetings and five of them already published in peer-reviewed journals, Medtronic is on track to
deliver this technology to U.S. physicians in a timely manner with an unprecedented volume of
high-quality clinical data to support its adoption," said Tony Semedo, senior vice president of
Medtronic, Inc. and president of the company's Endovascular Therapies business. 

The ongoing global IN.PACT clinical program includes 29 studies involving more than 4,600 patients
at approximately 230 sites worldwide. Through these company-sponsored and physician-initiated
studies, Medtronic's portfolio of IN.PACT drug-eluting balloons will be investigated thoroughly
for the treatment of arterial disease in a variety of vessel beds. As part of this program,
Medtronic is currently enrolling the IN.PACT Global study, a first-of-its kind "real-world"
evaluation of the company's IN.PACT drug-eluting balloons involving 1,500 patients with
femoropopliteal lesions of any length at up to 80 sites worldwide.  

IN.PACT drug-eluting balloons feature a proprietary coating called FreePac that is a formulation
of paclitaxel and urea, an excipient that facilitates absorption of the drug into the vessel wall.
They received the CE (Conformité Européenne) mark in 2008 and 2009 and are available in many
countries around the world. 

In the United States, the IN.PACT Admiral drug-eluting balloon is limited to investigational use
under an investigational device exemption (IDE) granted by the FDA and, like every drug-eluting
balloon, is not yet commercially available.

In collaboration with leading clinicians, researchers and scientists worldwide, Medtronic offers
the broadest range of innovative medical technology for the interventional and surgical treatment
of cardiovascular disease and cardiac arrhythmias. The company strives to offer products and
services that deliver clinical and economic value to healthcare consumers and providers around the
world.

ABOUT MEDTRONIC
Medtronic, Inc. (www.medtronic.com http://www.medtronic.com/ ), headquartered in Minneapolis, is
the global leader in medical technology -- alleviating pain, restoring health and extending life
for millions of people around the world. 

Any forward-looking statements are subject to risks and uncertainties such as those described in
Medtronic's periodic reports on file with the Securities and Exchange Commission. Actual results
may differ materially from anticipated results.

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Contacts:
Joseph McGrath
Public Relations
+1-707-591-7367

Jeff Warren
Investor Relations
+1-763-505-2696


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Source: Medtronic, Inc. via Thomson Reuters ONE


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