A researcher from the Albert Einstein College of Medicine stated in a paper published in Headache 2011 June:51(6):980-4 that the placebo effect of using Botulinum Toxin A to treat migraines is so large that these effects are solely responsible for its apparent effectiveness.
This does not surprise me because I have often seen much larger than expected placebo effects in migraine trials, especially those looking at prevention.
This is a pretty strong statement and makes one wonder how this drug ever got approved by the FDA to prevent migraines.
It will be interesting to see the response to this statement made by Dr. Solomon of the Einstein College of Medicine.
Curt Hendrix, M.S., C.C.N., C.N.S.
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