Open Label Safety/Immunogenicity Study of MYOBLOC (Neurobloc; Botulinum Toxin Type B) in Patients With Cervical Dystonia
An Open Label Safety and Immunogenicity Study of MYOBLOC (Neurobloc; Botulinum Toxin Type B) Injectable Solution in Patients With Cervical Dystonia
1 other identifier
interventional
502
0 countries
N/A
Brief Summary
Open label study to evaluate the safety and immunogenicity of MYOBLOC (Botulinum Toxin Type B) in adult patients with a clinical diagnosis of Cervical Dystonia (CD).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Jun 2001
Longer than P75 for phase_4
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 1, 2001
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2008
CompletedFirst Submitted
Initial submission to the registry
June 12, 2008
CompletedFirst Posted
Study publicly available on registry
June 20, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2008
CompletedResults Posted
Study results publicly available
September 23, 2009
CompletedMay 11, 2026
April 1, 2026
6.9 years
June 12, 2008
May 12, 2009
April 20, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Treatment Assessment Scale (TAS), 4 Wks Post-injection Compared to Baseline (Time 0), Rating of Cervical Dystonia Symptoms
7 point rating scale (-3 = significantly worse, 0 = no change, +3 = significantly better. Comparison at Wk 4 to baseline. Rating of Cervical Dystonia Symptoms
Session 1 - Time 0, 4 weeks post-injection compared to baseline
Secondary Outcomes (7)
Treatment Assessment Scale (TAS), Approx Wk 12 + 4 Wks Post-Injection Compared to Baseline. Rating of Cervical Dystonia Symptoms
Session 2 (12 wks) - 4 weeks post-injection compared to baseline
Treatment Assessment Scale (TAS), Approx Wk 24 + 4 Wks Post-injection Compared to Baseline. Rating of Cervical Dystonia Symptoms
Session 3 (24 Wks) - 4 weeks post-injection compared to baseline
Treatment Assessment Scale (TAS), Approx Wk 36 + 4 Wks Post-injection Compared to Baseline. Rating of Cervical Dystonia Symptoms
Session 4 (36 Wks) - 4 weeks post-injection compared to baseline
Treatment Assessment Scale (TAS), Approx Wk 48 + 4 Wks Post-injection Compared to Baseline. Rating of Cervical Dystonia Symptoms
Session 5 (48 Wks) - 4 weeks post-injection compared to baseline
Treatment Assessment Scale (TAS), Approx Wk 60 + 4 Wks Post-injection Compared to Baseline. Rating of Cervical Dystonia Symptoms
Session 6 (60 Wks) - 4 weeks post-injection compared to baseline
- +2 more secondary outcomes
Study Arms (1)
Open-Label Treatment
EXPERIMENTAL5,000 units up to 25,000 units of MYOBLOC (Botulinum Toxin Type B) injections every 12 weeks
Interventions
Eligible patients could receive injections of MYOBLOC once every 12 weeks. Total Dose could range from 5,000 Units up to 25,000 Units.
Eligibility Criteria
You may qualify if:
- years of age or older
- body weight of at least 46 kilograms
- History of Cervical Dystonia of at least one year's duration who in the opinion of the Investigator requires treatment
You may not qualify if:
- Inability to give informed consent
- Patient who has been previously treated with botulinum Toxin Type B
- Patient who has received a Botulinum toxin Type A injection in the last 12 weeks.
- History of phenol injections involving the neck or shoulder region in the last 12 months.
- Patients with neck contractures or cervical spine disease
Contact the study team to confirm eligibility.
Sponsors & Collaborators
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Head of Clinical Development
- Organization
- Supernus Pharmaceuticals, Inc.
Study Officials
- STUDY DIRECTOR
Jonathan T Rubin, MD
Supernus Pharmaceuticals, Inc.
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 12, 2008
First Posted
June 20, 2008
Study Start
June 1, 2001
Primary Completion
May 1, 2008
Study Completion
September 1, 2008
Last Updated
May 11, 2026
Results First Posted
September 23, 2009
Record last verified: 2026-04