Status:
COMPLETED
Botox for Cervical Dystonia Following EMG Mapping
Lead Sponsor:
University of California, San Francisco
Collaborating Sponsors:
Allergan
Conditions:
Cervical Dystonia
Eligibility:
All Genders
18-75 years
Phase:
PHASE4
Brief Summary
The purpose of this study is to determine how to improve treatment of patients with cervical dystonia who have not been helped with standard Botox injections. This study is for patients with cervical ...
Detailed Description
The most common type of primary late-onset dystonia is cervical dystonia. Botulinum toxin A (BTX-A) injections are a safe and effective treatment for cervical dystonia in a majority of patients, howev...
Eligibility Criteria
Inclusion
- Inclusion criteria:
- Male or female subjects, 18 to 75 years of age.
- Ability to follow study instructions and complete all required visits.
- Subject meets diagnostic criteria for idiopathic primary cervical dystonia.
- Subject has at least moderate severity Cervical Dystonia, with a baseline rating of at least 30 on the total TWSTRS and at least 15 on the TWSTRS motor severity subsection.
- Patients have had a suboptimal response to 2 previous Botulinum toxin injections at an outside facility.
- Patients will not have received Botulinum toxin within 16 weeks of the start of the study.
- In order to not confound the clinical response to BTX-A injections, all patients enrolled must have been on a stable medication regimen for 30 days. If they are not on medication at the initiation of the study, they will not be started on medication. Patients must be on the same medication regimen through the entire study including assessment of both single lead EMG based injections and "mapping" based injections. Medications cannot be stopped during the study to avoid confounding the clinical response to BTX-A.
- Exclusion Criteria:
- Known allergy or sensitivity to any of the components in BTX-A.
- Uncontrolled clinically significant medical condition other than the condition under evaluation
- Females with a positive pregnancy test, or who are breast-feeding, planning a pregnancy during the study, who think that they may be pregnant at the start of the study or females of childbearing potential who are unable or unwilling to use a reliable form of contraception during the study.
- Participation in another medication or device study or within 3 months of enrollment in this study.
- Patients know to have a positive frontalis test or have previously tested positive for the presence of BTX-A antibodies will be excluded.
- Any known evidence of cervical contractures or significant spinal deformity.
Exclusion
Key Trial Info
Start Date :
April 1 2008
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
January 1 2011
Estimated Enrollment :
10 Patients enrolled
Trial Details
Trial ID
NCT00773253
Start Date
April 1 2008
End Date
January 1 2011
Last Update
March 23 2020
Active Locations (1)
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1
University of California, San Francisco
San Francisco, California, United States, 94143