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Single Intrathecal Administration Of The Transcription Factor Decoy Ayx1 Prevents Acute And Chronic Pain After Incisional, Inflammatory, Or Neuropathic Injury, Julien Mamet, Michael Klukinov, Tony L. Yaksh, Shelle A. Malkmus, Samantha Williams, Scott Harris, Donald C. Manning, Bradley K. Taylor, Renee R. Donahue, Frank Porreca, Jennifer Y. Xie, Janice Oyarzo, Timothy J. Brennan, Alberto Subieta, William K. Schmidt, David C. Yeomans Jan 2014

Single Intrathecal Administration Of The Transcription Factor Decoy Ayx1 Prevents Acute And Chronic Pain After Incisional, Inflammatory, Or Neuropathic Injury, Julien Mamet, Michael Klukinov, Tony L. Yaksh, Shelle A. Malkmus, Samantha Williams, Scott Harris, Donald C. Manning, Bradley K. Taylor, Renee R. Donahue, Frank Porreca, Jennifer Y. Xie, Janice Oyarzo, Timothy J. Brennan, Alberto Subieta, William K. Schmidt, David C. Yeomans

Renee R. Donahue

The persistence of pain after surgery increases the recovery interval from surgery to a normal quality of life. AYX1 is a DNA-decoy drug candidate designed to prevent post-surgical pain following a single intrathecal injection. Tissue injury causes a transient activation of the transcription factor EGR1 in the dorsal root ganglia–dorsal horn network, which then triggers changes in gene expression that induce neuronal hypersensitivity. AYX1 is a potent, specific inhibitor of EGR1 activity that mimics the genomic EGR1- binding sequence. Administered in the peri-operative period, AYX1 dose dependently prevents mechanical hypersensitivity in models of acute incisional (plantar), inflammatory (CFA), and chronic …


Post-Laminectomy Back Pain: Understanding The Progress From Acute To Chronic Pain State, James Derek Calhoun Jan 2014

Post-Laminectomy Back Pain: Understanding The Progress From Acute To Chronic Pain State, James Derek Calhoun

DNP Projects

In the United States, 74.6% of patients who have lumbar laminectomy surgery have residual low back pain (Hussain & Erdek, 2014) and overall costs of low back pain may reach up to $200 billion per year (Carey & Frebuger 2013). To further address this problem, a study was conducted to determine if treatment in a chronic pain clinic could result in a reduction in the development of a chronic pain state for adult patients who have had lumbar laminectomy surgeries. A convenience sample of 50 patients was selected from the Interventional Pain Associates clinic at the University of Kentucky. Records …