PHILADELPHIA, Pennsylvania, Shire plc announced today that it has submitted a supplemental New Drug Application (sNDA) to the U.S. Food and Drug Administration (FDA) for VYVANSE(TM) (lisdexamfetamine dimesylate) for the treatment of Attention Deficit Hyperactivity Disorder (ADHD) in adults. This application is subject to a 10-month FDA review period.
"ADHD is a treatable disorder that affects adults as well as children," said Matthew Emmens, Shire Chief Executive Officer. "We are pleased with the results of VYVANSE studies conducted in adults and we believe this product will meet an important need in the adult ADHD marketplace. VYVANSE is a priority in our ADHD portfolio and we are committed to developing this next generation ADHD medication so that adults diagnosed with ADHD may benefit from treatment with VYVANSE."
AdvertisementVYVANSE is a prodrug stimulant that is therapeutically inactive until metabolized in the body and active d-amphetamine is released. VYVANSE is different from other oral long acting stimulants of amphetamine and methylphenidate that rely on delivery systems which may be affected by pH and GI transit time.
Shire plans to announce full results from its phase III clinical trial for the treatment of ADHD in adults at a major scientific conference in Q4 2007.
The FDA approved VYVANSE on February 23, 2007, to treat symptoms of ADHD in children aged 6 to 12. Additional information about VYVANSE and Full Prescribing Information are available at www.vyvanse.com.
Approximately 7.8 percent of all school-age children, or about 4.4 million U.S. children aged 4 to 17 years, have been diagnosed with ADHD at some point in their lives, according to the U.S. Centers for Disease Control and Prevention (CDC). ADHD is one of the most common psychiatric disorders in children and adolescents. The disorder is also estimated to affect approximately 9.8 million adults across the U.S. based on a retrospective survey of adults aged 18 to 34, projected to the full U.S. adult population.
ADHD is a neurobiological disorder that manifests as a persistent pattern of inattention and/or hyperactivity-impulsivity that is more frequent and severe than is typically observed in individuals at a comparable level of development.
To be properly diagnosed with ADHD, a child needs to demonstrate at least six of nine symptoms of inattention; and/or at least six of nine symptoms of hyperactivity/impulsivity; the onset of which appears before age 7 years; that some impairment from the symptoms is present in two or more settings (e.g., at school and home); that the symptoms continue for at least six months; and that there is clinically significant impairment in social, academic or occupational functioning and the symptoms cannot be better explained by another psychiatric disorder.
Although there is no "cure" for ADHD, there are accepted treatments that specifically target its symptoms. The most common standard treatments include educational approaches, psychological or behavioral modification, and medication.
Source: PR Newswire
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