{"id":"botulinum-neurotoxin-btx","safety":{"commonSideEffects":[{"rate":null,"effect":"Injection site pain or bruising"},{"rate":null,"effect":"Headache"},{"rate":null,"effect":"Muscle weakness or paralysis (off-target)"},{"rate":null,"effect":"Ptosis (eyelid drooping)"},{"rate":null,"effect":"Antibody formation (neutralizing antibodies)"}]},"_chembl":{"chemblId":"CHEMBL1201569","moleculeType":"Protein"},"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"BTX is a bacterial toxin that irreversibly cleaves proteins (SNAP-25, VAMP, or syntaxin) required for acetylcholine vesicle fusion and release at the presynaptic terminal. This results in temporary denervation and muscle weakness lasting 3–4 months, after which new neuromuscular junctions form and function is restored. The effect is localized to the injection site.","oneSentence":"Botulinum neurotoxin blocks the release of acetylcholine at the neuromuscular junction by cleaving SNARE proteins, causing temporary muscle paralysis.","_ai_confidence":"high"},"_scrapedAt":"2026-03-28T00:23:30.399Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Cervical dystonia"},{"name":"Blepharospasm"},{"name":"Hemifacial spasm"},{"name":"Chronic migraine"},{"name":"Spasticity"},{"name":"Hyperhidrosis"},{"name":"Cosmetic wrinkle reduction"}]},"trialDetails":[{"nctId":"NCT00001208","phase":"","title":"Botulinum Toxin for the Treatment of Involuntary Movement Disorders","status":"RECRUITING","sponsor":"National Institute of Neurological Disorders and Stroke (NINDS)","startDate":"1989-10-26","conditions":"Movement Disorders","enrollment":2000},{"nctId":"NCT07470164","phase":"PHASE3","title":"Botulinum Toxin A vs Strabismus Surgery for 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