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Tuesday, 30 April 2013

Transdermal PCA in Acute Postoperative Pain Management

http://www.painmedicinenews.com/ViewArticle.aspx?d=Special+Reports&d_id=94&i=March+2013&i_id=935&a_id=22676

Transdermal PCA in Acute Postoperative Pain Management: A Critical Evaluation of the Investigational IONSYS System


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REPORT
Transdermal PCA in Acute
Postoperative Pain Management:
A Critical Evaluation of the Investigational IONSYS System

Acute postoperative pain con- tinues to be undertreated, with up to 75% of patients in the United States failing to receive adequate postoperative pain relief.1,2 Postoperative pain man- agement was revolutionized with the introduction of patient-con- trolled analgesia (PCA) using IV or epidural delivery routes more than 20 years ago.3 Opioids are the primary treatment for acute pain management,4 either alone or increasingly as part of a multi- modal analgesic strategy—char- acterized by administration of 2
Chair
Eugene R. Viscusi, MD
Professor of Anesthesiology Director, Acute Pain Management Thomas Jefferson University Philadelphia, Pennsylvania
Faculty
John Fanikos, RPh, MBA
Director of Pharmacy Business Brigham and Women’s Hospital Boston, Massachusetts
Michael H. Huo, MD
Despite advances in pain man- agement technology, the advent of acute pain services, and pro- fessional practice guidelines aimed at improving postoperative pain management, inadequacies and treatment gaps still exist, and improvement remains a priority.7
An analgesic intervention that might help to mitigate clini- cian concern is the fentanyl ion- tophoretic transdermal system (IONSYS), a credit card–sized, self-contained, and prepro- grammed investigational product candidate intended to provide
or more drugs (eg, opioid and
nonopioid analgesics, used in
combination) that act by different
mechanisms, and along differ-
ent pain pathways—an approach
that is recommended by the
American Society of Anesthesi-
ologists (ASA) and the American
existing PCA modalities have limitations that include inva- sive access, challenges in titration of analgesic effect, cumbersome pump technologies, impaired patient mobil- ity, and limited drug preparations that have been associ- ated with programming, medication, and dosing errors.
pain relief for adult inpatients requiring opioids following sur- gery.8 It is a needle-free system that is applied to the skin on the upper arm or chest.8 A generally imperceptible electrical current then delivers a small dose of fen-
tanyl directly through the skin and into the systemic cir- culation. The FDA approved IONSYS in 2006; however, it was never launched in the United States due to required changes in manufacturing. The enhanced design will be reviewed by the FDA in the near future for use in patients with moderate to severe postoperative pain.


Professor
Department of Orthopedic Surgery UT Southwestern Medical Center Dallas, Texas
Pain Society.5,6 However,
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