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Definition of Topamax

Topamax Definition from Medicine Dictionaries & Glossaries
Drug information
    MedMaster - Topiramate
    USP DI - Topiramate (Systemic)
Topamax Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Topiramate (brand name Topamax) is an anticonvulsant (antiepilepsy) drug. In late 2012, topiramate was approved by the United States Food and Drug Administration (FDA) in combination with phentermine for weight loss. The drug had previously been used off-label for this purpose. Topiramate was originally produced by Ortho-McNeil Neurologics and Noramco, Inc., both divisions of the Johnson & Johnson Corporation. This medication was discovered in 1979 by Bruce E. Maryanoff and Joseph F. Gardocki during their research work at McNeil Pharmaceutical. Topiramate was first approved in the US in 1996. Generic versions are available in Canada and these were approved by the FDA in September 2006. Mylan Pharmaceuticals was recently granted final approval for generic topiramate 25, 100, and 200 mg tablets and sprinkle capsules by the FDA for sale in the United States. 50 mg tablets were granted tentative approval. The last patent for topiramate in the U.S. was for pediatric use; this patent expired on February 28, 2009.

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