FDA Okays Botox to Prevent Migraines

Source : Medpage today By Joyce Frieden, News Editor,
MedPage Today Published: October 15, 2010 The FDA has approved
onabotulinumtoxinA (Botox) for prevention of migraine headaches in
adults. “Chronic migraine is one of the most disabling forms of
headache,” Russell Katz, MD, director of the neurology products
division in the FDA’s Center for Drug Evaluation and Research, said
in a statement. “Patients with chronic migraine experience a
headache more than 14 days of the month. This condition can greatly
affect family, work, and social life, so it is important to have a
variety of effective treatment options available.” When used for
the new indication, the drug is given approximately every 12 weeks
as multiple injections around the head and neck to try to dull
future headache symptoms, the agency noted, adding that it “has not
been shown to work for the treatment of migraine headaches that
occur 14 days or less per month, or for other forms of headache.”
Interest in botulinum toxin as a potential therapy for migraine has
evolved over a decade, following the observation that patients
treated for hyperfunctional facial lines had a reduction in
migraine symptoms. In one small study of 18 patients published in
February, patients with imploding and ocular headaches who were
undergoing botulinum treatment for cosmetic procedures of the upper
face saw a decrease in mean migraine frequency from more than seven
a month to fewer than one. The most common adverse reactions
reported by patients being treated for chronic migraine were neck
pain and headache, according to the FDA. Continuing

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