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Nanotechnology drug delivery shows promise for treatment of pediatric cancer
Date:12/4/2012

herapeutic treatments cause severe side effects, especially in children." He posits that it will take researchers hundreds of millions of dollars and many years to find better alternative drug treatments. In the interim, scientists like Dr. Rajasekaran and his colleagues are working on novel ways to deliver existing and affordable drugs to children. "Our polymer synthesis and particle engineering are guided by the clinical need for reducing the side effects of cancer drugs," Dr. Jia commented. Vinu Krishnan, the first author of the study and a chemical engineer and graduate student in Materials Science and Engineering, said, "I am very excited about the results and look forward to taking this to the next level and introducing this approach for the clinical treatment of childhood leukemia". Students in Dr. Jia's group contributing to this work also include Xian Xu and Xiaowei Yang.

To date, advances in nanotechnology have been primarily concentrated around adult cancers. Nanotechnology involves the use of encapsulated particles of drugs that go into the core of the cell. The nanoparticles stick only to the cancer cells and destroy them by delivering the drug precisely, without detecting or harming the normal cells. In preclinical models of leukemia, Dr. Rajasekaran and his team were able to improve survival and quality of life via nanotechnology. Encapsulating the drug uses one third of the typical dose, with good treatment results and no discernible side effects. In addition, the mice that received the drugs delivered via nanoparticles survived longer than those that received the drug administered in the traditional way.


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Contact: Karen Bengston
kbengsto@nemours.org
302-298-7319
Nemours
Source:Eurekalert

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