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Botulinum Toxin Type B

Phase 2

Drooling | Monoclonal antibody | Other |Supernus Pharmaceuticals, Inc.|Last Updated: Apr 21, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment54

FDA Designations

No designations recorded

Clinical trial landscape

Botulinum Toxin Type B · 1 trial · 1 indication

Phase 2 1
NCT00515437A Multi-Center Study of MYOBLOC for the Treatment of Sialorrhea in Parkinson's Disease PatientsDrooling
COMPLETED54 Analytics
PHASE2COMPLETED
A Multi-Center Study of MYOBLOC for the Treatment of Sialorrhea in Parkinson's Disease Patients
DroolingUnlock trial analytics

Study Endpoints

Primary Endpoints

Change in Drooling Frequency & Severity Scale (DFSS)at Wk 4 Post-injection
baseline versus 4 weeks post-injection

9 point scale, 0 = no drooling, 9 = severe drooling

Secondary Endpoints

Change in Drooling Frequency and Severity Scale (DFSS) at Wk 12 Post-injection
baseline vs 12 weeks post injection
Change in Unstimulated Salivary Flow Rate at Wk 4 Post-injection
baseline vs 4 weeks post-injection
Change in Unstimulated Salivary Flow Rate at Wk 12 Post-injection
baseline vs 12 weeks post-injection
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Treatment 1EXPERIMENTAL1,500 Units (0.3 mL) MYOBLOC (0.3mL) with 500 Units (0.1 mL) injected into each parotid gland and 250 Units (0.05 mL) inject into each submandibular gland and will be compared to pooled placebo
Treatment 2EXPERIMENTAL2,500 Units of (0.5mL) MYOBLOC with 1,000 Units (0.2 mL) injected into each parotid gland and 250 Units (0.05mL) inject into each submandibular gland and will be compared to pooled placebo
Treatment 3EXPERIMENTAL3,500 Units of (0.7mL) MYOBLOC with 1,500 Units (0.3 mL) injected into each parotid gland and 250 Units (0.05mL) inject into each submandibular gland and will be compared to pooled placebo
Treatment 4PLACEBO_COMPARATORvolume-matched placebo injected into each parotid gland and each submandibular gland

Interventions

NameTypeDescription
Botulinum Toxin Type B (Myobloc)BIOLOGICAL -
Matched placebo to MyoblocBIOLOGICAL -
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Eligibility Criteria

Age Range18 Years to 85 Years
SexALL
Healthy VolunteersNo
Study Sites18

Inclusion Criteria: * Parkinsons' Disease patients with Sialorrhea for at least 3 months Exclusion Criteria: * Patients with non-idiopathic PD parkinsonism * Patients previously exposed to botulinum toxins * Patients with a history of aspiration pneumonia, moderate/severe choking and/or moderate/...

Countries:United States
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Frequently asked questions about Botulinum Toxin Type B

What is Botulinum Toxin Type B used for?

Botulinum Toxin Type B is used for drooling, also known as sialorrhea. It is being investigated as a treatment for drooling in patients with Parkinson's disease. The drug is currently in Phase 2 clinical development and is not yet approved by the FDA.

Who makes Botulinum Toxin Type B?

Botulinum Toxin Type B is being developed by Supernus Pharmaceuticals, Inc., a biopharmaceutical company. The company's stock is traded under the ticker symbol SUPN on the NASDAQ exchange.

What phase is Botulinum Toxin Type B in?

Botulinum Toxin Type B is in Phase 2 clinical development. It is an investigational drug and has not been approved by the FDA. The drug is being studied for the treatment of drooling, specifically in patients with Parkinson's disease.

What clinical trials is Botulinum Toxin Type B in?

Botulinum Toxin Type B has one completed clinical trial, identified as NCT00515437. This was a Phase 2, randomized, double-blind, placebo-controlled study that enrolled 54 participants. The trial was conducted in the United States and evaluated the drug for the treatment of sialorrhea in Parkinson's disease patients.

Is Botulinum Toxin Type B the same as MYOBLOC?

Yes, Botulinum Toxin Type B is the same as MYOBLOC. The clinical trial NCT00515437, which studied the drug for drooling in Parkinson's disease patients, is titled 'A Multi-Center Study of MYOBLOC for the Treatment of Sialorrhea in Parkinson's Disease Patients.'