Botulinum toxin B - Supernus Pharmaceuticals
Alternative Names: AN 072; BoNT/B; BotB; Botulinum toxin type B; E 2014; Myobloc; NerBloc; Neurobloc; RimabotulinumtoxinBLatest Information Update: 12 Jun 2026
At a glance
- Originator Solstice Neurosciences
- Developer Eisai Co Ltd; Sloan Pharma; US WorldMeds
- Class Bacterial proteins; Bacterial toxins; Botulinum toxins; Muscle relaxants
- Mechanism of Action Acetylcholine inhibitors; Neuromuscular blocking agents
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Orphan Drug Status
Yes - Dystonia
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Marketed Sialorrhoea; Torticollis
- Phase II/III Muscle spasticity
Most Recent Events
- 27 May 2026 Supernus Pharmaceuticals in collaboration with Solstice Neurosciences terminates a phase II/III trial in Muscle spasticity in USA, Hungary and Poland (IM, Injection) due to the Company/sponsor business decision and not due to or related to any safety concerns (NCT04815967)
- 28 Apr 2026 Supernus Pharmaceuticals terminates a phase-II/III clinical trials in Muscle spasticity (In adults, In the elderly) in USA (Parenteral), due to a company-sponsored business decision (NCT04099667)
- 09 Dec 2022 Withdrawn for Torticollis in European Union (IM)