[ Back to EurekAlert! ] Public release date: 11-May-2013
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Contact: Joan Kureczka
Joan@kureczka-martin.com
415-821-2413
Kureczka/Martin Associates

Extremely low 90-day cardiac device infection rates with TYRX antibacterial envelope use

New prospective data presented on 1,000 patients at 2013 Heart Rhythm Society shows over 90 percent fewer major device infections

IMAGE: AIGISRx® Antibacterial Envelope is indicated for holding a pacemaker or implantable cardioverter-defibrillator, thereby creating a stable environment surrounding the device and leads after surgical placement. The biocompatible mesh is coated...

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Denver, CO (May 11, 2013): Use of TYRX, Inc.'s AIGISRx® Antibacterial Envelope reduced major infection rates by more than 90% in patients undergoing Cardiovascular Implantable Electronic Device (CIED) replacement procedures compared to similar high-risk cohorts, according to the CITADEL & CENTURION clinical study results presented on Saturday at the Late Breaking Clinical Trials session at Heart Rhythm 2013, the Heart Rhythm Society's 34th Annual Scientific Sessions.

CITADEL / CENTURION is a prospective, multicenter clinical study to evaluate the major device infection and mechanical complication rates in the 12 months after implantation, in patients at high risk for CIED infection who have their CIED implanted with an AIGISRx Antibacterial Envelope. Study patients were enrolled at 55 US centers, and were at high-risk for infection because they were undergoing a CIED replacement procedure with an implantable cardioverter-defibrillator (ICD), (CITADEL), or a cardiac resynchronization therapy (CRT) device (CENTURION). The results from a planned interim analysis of the primary endpoints for the first 1000 eligible patients after 90 days of follow up were presented by Dr. Charles A. Henrikson, the Chief of Electrophysiology at the Oregon Health Sciences University.

Key study findings include:

"CIED infections are increasing in frequency, are associated with substantial morbidity, mortality, and cost, and present significant challenges to patients and for the physicians who provide care for them," stated Charles A. Henrikson, MD, FHRS, Oregon Health Sciences University, Portland, Oregon. "The CITADEL & CENTURION are large prospective studies enrolling patients at community, academic, and VA medical centers which will provide us with useful clinical information on the use of the AIGISRx Envelope in a variety of patients who are at high risk for CIED infection." The CITADEL (NCT01043861) & CENTURION (NCT01043705) studies are registered in the ClinicalTrials.gov registry of federally and privately supported clinical trials conducted in the US and around the world.

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This study was funded by TYRX, Inc.

About Heart Rhythm Society

Heart Rhythm 2013 is the most comprehensive educational program for heart rhythm professionals, featuring more than 250 educational sessions and more than 130 exhibitors showcasing innovative products and services. The Heart Rhythm Society's Annual Scientific Sessions have become the must-attend event of the year, allowing the exchange of new vital ideas and information among colleagues from every corner of the globe.

About TYRX, Inc.

TYRX, Inc. commercializes innovative, implantable combination drug+device products focused on infection control, including the AIGISRx® Antibacterial Envelope, designed to reduce surgical site infections associated with Cardiac Implantable Electronic Devices (CIEDs). AIGISRx products contain the antimicrobial agents, rifampin and minocycline, which have been shown to reduce infection by pathogens responsible for the majority of CIED infections, including "superbugs" such as methicillin-resistant S. aureus (MRSA).*

For more information, please visit http://www.TYRX.com or http://www.HeartDeviceInfection.com.

*Data on file at TYRX and published Hansen et al. Pacing Clin Electrophysiol. 2009; 32(7):898-907.

CONTACTS:

Robert White
President and Chief Executive Officer
TYRX, Inc.
732.246.8676
info@TYRX.com

For Media:

Kureczka/Martin Associates
Joan Kureczka
415.690.0210
Joan@Kureczka-Martin.com



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