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Anti-Aging Drug Rapamycin Shows Promising Safety Results

by Shirley Johanna on February 10, 2016 at 6:34 PM
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Anti-Aging Drug Rapamycin Shows Promising Safety Results

The discovery of an anti-aging drug called rapamycin in 2009 led to studies on the metabolic side effects of the drug. A study published in the journal Aging showed minimal metabolic side effects after continuous, long-term treatment with the encapsulated rapamycin in a marmoset (monkey) model.

The study, completed by researchers with the Barshop Institute for Longevity and Aging Studies at The University of Texas Health Science Center at San Antonio and the Southwest National Primate Research Center (SNPRC) at Texas Biomedical Research Institute, is the first to examine the metabolic consequences of rapamycin dosing in healthy, non-human primates. In addition to metabolic function, the researchers found that the encapsulated rapamycin was well tolerated by the marmosets.

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"This initial study with marmosets as a model for human aging has allowed us to evaluate the efficacy of a new intervention treatment that looked promising in other animal model species for both healthspan and lifespan extension," said Dr. Corinna Ross, lead author of the study and Assistant Professor Biology, Texas A&M University San Antonio.

"The results are encouraging," said Dr. Suzette Tardif, Associate Director of SNPRC and co-investigator on the study. "Marmosets also offer a unique non-human primate model that will allow us to further evaluate not just the safety but the effectiveness of treatment with rapamycin."

Due to results from this study, a grant for $2.7 million was awarded to the Barshop Institute and SNPRC by the National Institute on Aging to fund a new study to determine the effects of rapamycin lifespan and markers of healthy aging for a cohort of marmosets that have already reached middle age.
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Dr. Adam Salmon, principal investigator of the new study and Assistant Professor/Research Department of Molecular Medicine at the Barshop Institute, said, "These studies will provide an important step towards translational approaches to delay age-related disease and improve healthy aging in humans by means of pharmaceutical inhibition of mTOR (mechanistic target of rapamycin)."
The new study begins this month.



Source: Newswise
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