Incobotulinum Toxin A (Xeomin®) As A Treatment For Focal Task-Specific Dystonia Of The Musician's Hand
NCT ID: NCT02107261
Last Updated: 2023-05-11
Study Results
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View full resultsBasic Information
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COMPLETED
PHASE2
21 participants
INTERVENTIONAL
2014-03-31
2020-01-27
Brief Summary
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Possible risks in treating patients with BoNT include excessive weakness of the injected muscles. The drug may also affect non-targeted muscles. However these risks will be minimized during the screening period by carefully targeting the affected muscles and by administering low doses of BoNT. Small booster doses may be given at follow up visit (2, 4, 14 and 16-weeks after the primary injection date) if the initial injection was insufficient to produce sufficient efficacy in relief of the focal dystonia and did not produce excess weakness of the targeted muscle.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
DOUBLE
Study Groups
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Placebo Then Botulinum Toxin
Placebo dose first does then boosters at week 2 and week 4 then 4 weeks washout, then Incobotulinumtoxin A first dose, with boosters at 2 week and week 4.
incobotulinumtoxin A
Incobotulinumtoxin A is being used on average doses between 10U and 30 Units per subject, but at no time will any subject receive over 100 Units. Each study visit, the assessing physician will select the muscles and the amounts of medication to be injected.
Placebo
matching placebo
Incobotulinumtoxin A Then Placebo
Incobotulinumtoxin A dose first does then boosters at week 2 and week 4 then 4 weeks washout, then Placebo first dose, with boosters at 2 week and week 4.
incobotulinumtoxin A
Incobotulinumtoxin A is being used on average doses between 10U and 30 Units per subject, but at no time will any subject receive over 100 Units. Each study visit, the assessing physician will select the muscles and the amounts of medication to be injected.
Placebo
matching placebo
Interventions
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incobotulinumtoxin A
Incobotulinumtoxin A is being used on average doses between 10U and 30 Units per subject, but at no time will any subject receive over 100 Units. Each study visit, the assessing physician will select the muscles and the amounts of medication to be injected.
Placebo
matching placebo
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Patients must have been evaluated by Dr. Frucht at the Movement Disorders Division of Mount Sinai Medical Center as part of their clinical care.
* Patients whose performance on an instrument is directly linked to their occupation.
* Patients must be between the ages of 18 and 80.
* Impairment in musical performance must be visible and demonstrable.
Exclusion Criteria
* Patients with unstable medical conditions or psychiatric conditions.
* Patients with a medical condition that precludes them from receiving BoNT injections.
18 Years
80 Years
ALL
No
Sponsors
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Merz North America, Inc.
INDUSTRY
Icahn School of Medicine at Mount Sinai
OTHER
Responsible Party
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David M. Simpson
Professor
Principal Investigators
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Steven Frucht, MD
Role: PRINCIPAL_INVESTIGATOR
NYU Langone Health
David M Simpson, MD
Role: PRINCIPAL_INVESTIGATOR
Icahn School of Medicine at Mount Sinai
Locations
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NYU Langone Health
New York, New York, United States
Icahn School of Medicine at Mount Sinai
New York, New York, United States
Countries
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References
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Jankovic J, Ashoori A. Movement disorders in musicians. Mov Disord. 2008 Oct 30;23(14):1957-65. doi: 10.1002/mds.22255.
Pullman SL, Hristova AH. Musician's dystonia. Neurology. 2005 Jan 25;64(2):186-7. doi: 10.1212/01.WNL.0000157497.08500.c1. No abstract available.
Altenmuller E. Focal dystonia: advances in brain imaging and understanding of fine motor control in musicians. Hand Clin. 2003 Aug;19(3):523-38, xi. doi: 10.1016/s0749-0712(03)00043-x.
Frucht SJ, Fahn S, Greene PE, O'Brien C, Gelb M, Truong DD, Welsh J, Factor S, Ford B. The natural history of embouchure dystonia. Mov Disord. 2001 Sep;16(5):899-906. doi: 10.1002/mds.1167.
Elbert T, Pantev C, Wienbruch C, Rockstroh B, Taub E. Increased cortical representation of the fingers of the left hand in string players. Science. 1995 Oct 13;270(5234):305-7. doi: 10.1126/science.270.5234.305.
Munte TF, Altenmuller E, Jancke L. The musician's brain as a model of neuroplasticity. Nat Rev Neurosci. 2002 Jun;3(6):473-8. doi: 10.1038/nrn843.
Altenmuller E, Baur V, Hofmann A, Lim VK, Jabusch HC. Musician's cramp as manifestation of maladaptive brain plasticity: arguments from instrumental differences. Ann N Y Acad Sci. 2012 Apr;1252:259-65. doi: 10.1111/j.1749-6632.2012.06456.x.
Schmidt A, Jabusch HC, Altenmuller E, Hagenah J, Bruggemann N, Hedrich K, Saunders-Pullman R, Bressman SB, Kramer PL, Klein C. Dominantly transmitted focal dystonia in families of patients with musician's cramp. Neurology. 2006 Aug 22;67(4):691-3. doi: 10.1212/01.wnl.0000230148.00035.f9.
Altenmuller E, Jabusch HC. Focal dystonia in musicians: phenomenology, pathophysiology, triggering factors, and treatment. Med Probl Perform Art. 2010 Mar;25(1):3-9.
Schuele S, Jabusch HC, Lederman RJ, Altenmuller E. Botulinum toxin injections in the treatment of musician's dystonia. Neurology. 2005 Jan 25;64(2):341-3. doi: 10.1212/01.WNL.0000149768.36634.92.
Pullman SL, Greene P, Fahn S, Pedersen SF. Approach to the treatment of limb disorders with botulinum toxin A. Experience with 187 patients. Arch Neurol. 1996 Jul;53(7):617-24. doi: 10.1001/archneur.1996.00550070055012.
Peterson DA, Berque P, Jabusch HC, Altenmuller E, Frucht SJ. Rating scales for musician's dystonia: the state of the art. Neurology. 2013 Aug 6;81(6):589-98. doi: 10.1212/WNL.0b013e31829e6f72. Epub 2013 Jul 24.
Chang FC, Frucht SJ. Motor and Sensory Dysfunction in Musician's Dystonia. Curr Neuropharmacol. 2013 Jan;11(1):41-7. doi: 10.2174/157015913804999531.
Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Other Identifiers
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GCO 13-1679
Identifier Type: -
Identifier Source: org_study_id
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