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Pain relief with PAP injections may last 100 times longer than a traditional acupuncture treatment
Date:4/23/2012

nd his lab injected PAP into the popliteal fossa, the soft tissue area behind the knee. This also happens to be the location of the Weizhong acupuncture point. Remarkably, they saw that pain relief lasted 100 times longer than a traditional acupuncture treatment. What's more, by avoiding the spine the researchers could increase the dose of PAP. A single injection was also effective at reducing symptoms associated with inflammatory pain and neuropathic pain.

"Pinning down the mechanisms behind acupuncture, at least in animal models, was critical," said Zylka. "Once you know what chemicals are involved, you can exploit the mechanism, as we did in our study."

The next step for PAP will be refining the protein for use in human trials. UNC has licensed the use of PAP for pain treatment to Aerial BioPharma, a Morrisville, N.C.-based biopharmaceutical company.

Zylka said PAP could be applicable to any area where regional anesthesia is performed to treat pain. And PAP has the potential to last longer than a single injection of local anestheticthe class of drugs used in regional anesthesia.

"When it comes to pain management, there is a clear need for new approaches that last for longer periods of time," said Julie Hurt, PhD, a postdoctoral fellow in Zylka's lab.


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Contact: Les Lang
llang@med.unc.edu
919-966-9366
University of North Carolina School of Medicine
Source:Eurekalert  

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Pain relief with PAP injections may last 100 times longer than a traditional acupuncture treatment
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