PurTox (Botulinum Toxin Type A) for the Treatment of Adult Onset Spasmodic Torticollis/Cervical Dystonia
A Phase I, Single-dose, Double-blind, Placebo Controlled, Dose Escalation Study to Evaluate the Safety of PurTox for the Treatment of Adult Onset Spasmodic Torticollis/Cervical Dystonia and to Explore Dose-associated Efficacy
1 other identifier
interventional
70
1 country
1
Brief Summary
The safety and efficacy of Mentor Purified Toxin, Botulinum Toxin Type A, Purified Neurotoxin, injected intramuscularly into the neck, is being evaluated as a treatment for painful and non-painful spasmodic torticollis/cervical dystonia. It is hypothesized that treatment will decrease symptom severity and will not have any significant side effects.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started May 2006
Typical duration for phase_1
1 active site
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
May 1, 2006
CompletedFirst Submitted
Initial submission to the registry
October 23, 2007
CompletedFirst Posted
Study publicly available on registry
October 25, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2009
CompletedMarch 29, 2016
March 1, 2016
2.3 years
October 23, 2007
March 25, 2016
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Absence of significant drug related adverse effects
Post-injection
Secondary Outcomes (1)
Decrease in symptom severity (TWSTRS)
30 days post-injection
Study Arms (2)
1
ACTIVE COMPARATOR2
PLACEBO COMPARATORInterventions
100U vials, doses ranged from 50U-200U, single injection.
Eligibility Criteria
You may qualify if:
- Diagnosis of torticollis with noticeable symptoms for at least 6 months
- Total TWSTRS score greater or equal to 20, TWSTRS severity score greater than or equal to 10 and TWSTRS Disability score greater than or equal to 3 (must meet all 3 criteria)
You may not qualify if:
- Diagnosis of isolated anterocollis
- Concurrent myopathic disease, myotonic dystrophy (or other form of muscular dystrophy), myasthenia gravis
- Currently receiving aminoglycoside antibiotic therapy, curare-like drugs, quinidine, succinylcholine, polymixins, anticholinesterases, magnesium sulfate, or lincosamides
- Any illness that is considered by the Investigator to make the subject an inappropriate candidate
- Cervical spine injury within 18 months or head and neck surgery within 6 months prior to screening
- Pre-existing dysphagia
- History of active autoimmune disease
- Exposure to botulinum toxin based pharmaceutical within 3 months prior to screening
- History of primary non-response or secondary resistance with prior exposure to botulinum based pharmaceuticals
- History of chemotherapy/radiation for malignant disease within 24 months
- Any investigational drug/device during the 30 days prior to screening
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Mentor Worldwide, LLC
Santa Barbara, California, 93111, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Carolyn Austin
Mentor Worldwide, LLC
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 23, 2007
First Posted
October 25, 2007
Study Start
May 1, 2006
Primary Completion
September 1, 2008
Study Completion
March 1, 2009
Last Updated
March 29, 2016
Record last verified: 2016-03