Monday, June 4, 2012

Oxandrolone's History

 Oxandrolone
Oxandrolone, also known as oxandrin, is a drug first synthesized by Raphael Pappo while at Searle Laboratories, now Pfizer Inc., under the trademark Anavar, and introduced into the United States in 1964. It is a synthetic anabolic steroid derivative of dihydrotestosterone with an oxygen atom replacing the 2 carbon and methylation in the 17 position.

Oxandrolone was prescribed to promote muscle regrowth in disorders which cause involuntary weight loss, and is used as part of treatment for HIV/AIDS. It had also been shown to be partially successful in treating cases of osteoporosis. However, in part due to bad publicity from its abuses by bodybuilders, production of Anavar was discontinued by Searle Laboratories in 1989. It was picked up by Bio-Technology General Corporation, now Savient Pharmaceuticals who, following successful clinical trials in 1995, released it under the tradename Oxandrin.

Oxandrolone was subsequently approved for orphan drug status by the Food and Drug Administration (FDA) for treating alcoholic hepatitis, Turner syndrome, and HIV-induced weight loss. It is also indicated as an offset to protein catabolism caused by long-term administration of corticosteroids. In addition, oxandrolone has shown positive results in treating anemia and hereditary angioedema. Because of its potential for abuse, it is categorized as a Schedule III controlled substance in the United States.

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