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Researchers Pursue Single-dose Gene Therapy for Cocaine Addiction
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Researchers Pursue Single-dose Gene Therapy for Cocaine Addiction

Researchers Pursue Single-dose Gene Therapy for Cocaine Addiction
News

Researchers Pursue Single-dose Gene Therapy for Cocaine Addiction

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In a radical new approach to treat cocaine addition, researchers at the Mayo Clinic are seeking approval for first-in-human studies of a single-dose gene therapy. To support the safety and efficacy of this approach they have demonstrated the successful delivery of a gene coding for an enzyme that metabolizes cocaine into harmless byproducts in mice.

Stephen Brimijoin and colleagues from Mayo Clinic, Rochester, MN, coauthored the article entitled “Systemic Safety of a Recombinant AAV8 Vector for Human Cocaine Hydrolase Gene Therapy: A Good Laboratory Practice Preclinical Study in Mice.” In advance of filing for an Investigational New Drug Application with the U.S. Food and Drug Administration, which would allow for human testing, the researchers needed to show the systemic safety of their recombinant adeno-associated viral (AAV) 8 vector, which targets its therapeutic gene payload to the liver.

They showed a total lack of viral vector-related adverse effects in both cocaine-experienced and cocaine-naïve mice at different doses. In fact, mice who received the gene therapy followed by daily cocaine injections had much less tissue pathology than those mice who received daily cocaine injections but did not have the gene therapy.

“Substance use disorders present an immense public health problem in the US and other industrialized countries,” says Editor-in-Chief Terence R. Flotte, MD, Celia and Isaac Haidak Professor of Medical Education and Dean, Provost, and Executive Deputy Chancellor, University of Massachusetts Medical School, Worcester, MA. “Putting the power of an innovative gene therapy to work on this problem presents an exciting new approach.”

Reference

Chen et al. (2019) Systemic Safety of a Recombinant AAV8 Vector for Human Cocaine Hydrolase Gene Therapy: A Good Laboratory Practice Preclinical Study in Mice. Human Gene Therapy. DOI: https://doi.org/10.1089/hum.2019.233

This article has been republished from the following materials. Note: material may have been edited for length and content. For further information, please contact the cited source.

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