Cervical Dystonia Clinical Trial
Official title:
Prospective, Open-label Clinical Study of Ingrezza (Valbenazine) for the Treatment of Cervical Dystonia
Verified date | October 2023 |
Source | The Orthopedic Foundation |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Study of Ingrezza (Valbenazine) for the treatment of cervical dystonia.
Status | Completed |
Enrollment | 20 |
Est. completion date | September 15, 2023 |
Est. primary completion date | September 15, 2023 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 85 Years |
Eligibility | Inclusion Criteria: - Male or female patients between 18 and 85 years of age (inclusive) - A clinical diagnosis of cervical dystonia (ie, spasmodic torticollis) by investigator for at least six months - Moderate to severe head tremor and/or dystonic posturing as judged by the investigator - Stable Botulinum Toxin (Botox, Dysport, Xeomin, or Myobloc) therapy dosage for at least 3 months prior to baseline visit Exclusion Criteria - Tardive dyskinesia - Predominant anterocollis - Concomitant use of strong CYP3A4 inhibitors (i.e. itraconazole, ketoconazole, clarithromycin), digoxin, strong CYP2D6 inhibitors (i.e. paroxetine, fluoxetine, quinidine), monoamine oxidase inhibitors (i.e. isocarboxazid, phenelzine, selegiline) - Myotomy or denervation surgery in the affected muscles (eg, peripheral denervation and/or spinal cord stimulation) - Diagnosis of Myasthenia gravis, Lambert-Eaton syndrome, amyotrophic lateral sclerosis, or any other significant neuromuscular disease which might interfere with the trial - Moderate to severe hepatic impartment as determined by a Child-Hugh Score =7 - Marked limitation on passive range of motion that suggests contractures or other structural abnormality, eg, cervical contractures or cervical spine syndrome - Any conditions that may increase the risk associated with study participation or may interfere with the interpretation of study results and, in the judgment of the Investigator, would make the patient inappropriate for entry into this study - Participation in another interventional study during participation in this study - Pregnant or lactating females, or females of child-bearing potential not willing to use an acceptable method of contraception - History of hypersensitivity to valbenazine or any components of INGREZZA. - Is suicidal at screening as defined by below: 1. According to the C-SSRS, he or she must not be actively suicidal at Visit 1 (Screening) or Visit 2 (Baseline) (including, an answer of "yes" to C-SSRS questions 4 or 5 [current or over the last 6 months]) and must not have attempted suicide in the 1 year prior to Visit 1 (Screening); OR 2. The subject is actively suicidal in the Investigator's judgment |
Country | Name | City | State |
---|---|---|---|
United States | The Orthopedic foundation | New Albany | Ohio |
Lead Sponsor | Collaborator |
---|---|
The Orthopedic Foundation |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in incidence of pain/spasm | Change in incidence rate of pain/spasm as measured by frequency and intensity in subjects prior to and during use of valbenazine as measured by Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS) and Inertial measurement unit (IMU). TWSTRS is a composite scale used to measure three aspects of CD: severity, disability, and pain. TWSTRS total score falls within the range of 0 to 85, where a higher score indicates a more severe condition. | 16 weeks |
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