Last reviewed · How we verify

Incobotulinumtoxin A Injectable Product

University of Utah · FDA-approved active Small molecule

Incobotulinumtoxin A blocks acetylcholine release at the neuromuscular junction by cleaving SNARE proteins, causing temporary muscle paralysis.

Incobotulinumtoxin A blocks acetylcholine release at the neuromuscular junction by cleaving SNARE proteins, causing temporary muscle paralysis. Used for Cervical dystonia, Blepharospasm, Hemifacial spasm.

At a glance

Generic nameIncobotulinumtoxin A Injectable Product
Also known asXeomin
SponsorUniversity of Utah
Drug classBotulinum toxin
TargetSNAP-25 (synaptosome-associated protein of 25 kDa)
ModalitySmall molecule
Therapeutic areaNeurology, Dermatology, Aesthetics
PhaseFDA-approved

Mechanism of action

This botulinum toxin serotype A derivative irreversibly cleaves SNAP-25, a protein essential for acetylcholine vesicle fusion and release at the neuromuscular junction. This results in temporary flaccid paralysis of injected muscles. The effect is reversible over months as new neuromuscular junctions form.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: