History of Clinical Development
Published online by Cambridge University Press: 02 November 2023
In 1980, Alan B Scott published the use of botulinum neurotoxin type A by injection into extraocular muscles for treatment of strabismus. Use in blepharospasm was published in 1985, and cervical dystonia in 1986, followed by hemifacial spasm and other dystonias, including spasmodic dysphonia, hand dystonia, and conditions such as limb spasticity.
Formulations of neurotoxin type A worldwide include: Botox/onabotulinumtoxinA, Dysport/abobotulinumtoxinA, Xeomin/incobotulinumtoxinA, and a Chinese product marketed under various brand names in Asia. Botulinum neurotoxin type B is marketed as Neurobloc/Myobloc, or rimabotulinumtoxinB. PrabotulinumtoxinA and daxibotuinumtoxinA-Ianm are type A toxins under development.
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