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FDA approves Topamax for migraine prevention in adolescents
March 31, 2014
The FDA has approved Topamax (topiramate) for prevention (prophylaxis) of migraine headaches in adolescents ages 12 to 17. This is the first FDA approval of a drug for migraine prevention in this age group. The medication is taken on a dailybasis to reduce the frequency of migraine headaches.
Topamax was first approved by the FDA in 1996 to prevent seizures. It was approved for migraine prevention in adults in 2004.
“Migraine headaches can impact school performance, social interactions and family life,” said Eric Bastings, M.D., deputy director of the Division of Neurology Products in the FDA’s Center for Drug Evaluation and Research. “Adding dosing and safety information for the adolescent age group to the drug’s prescribing information will help to inform health care professionals and patients in making treatment choices.”
About 12% of the U.S. population experiences migraine headaches. Migraine headaches are characterized by episodes of throbbing and pulsating pain in the head, and may occur several times per month. Other common symptoms include increased sensitivity to light, noise and odors, as well as nausea and vomiting. Many patients experience their first migraine attack before reaching adulthood, and migraine can be just as disabling in teens as it is in adults.
The safety and effectiveness of Topamax in preventing migraine headaches in adolescents ages 12 to 17 was established in a clinical trial that enrolled 103 participants. Those treated with Topamax experienced a decrease in the frequency of migraine of approximately 72% compared to 44% in participants that took an inactive drug (placebo).
The most common adverse reactions with the approved dose of Topamax (100 milligrams) were paresthesia (a burning or prickling sensation felt in the hands, arms, legs or feet), upper respiratory infection, anorexia (loss of appetite) and abdominal pain.
Topamax increases the risk of the development of cleft lip and/or cleft palate (oral clefts) in infants born to women who take the drug during pregnancy. The benefits and risks of Topamax should be carefully weighed before using it in women of childbearing age. If the decision is made to use the medication by a woman of childbearing age, effective birth control should be used.
Topamax is manufactured by Janssen Pharmaceuticals, of Titusville, N.J.
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