- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03078270
A Study of the Efficacy of Botox in the Treatment of Social Anxiety Disorder
A Controlled Study of the Efficacy of Botulinum Toxin A (Botox) for the Treatment of Social Anxiety Disorder (SAD)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The use of botulinum toxin A to correct glabellar frown lines is an effective and popular cosmetic procedure with more than 1 million treatments per year in the United States alone (Carruthers, A.). Botulinum toxin type A marketed commercially as BOTOX® Cosmetic (Botox), is produced from fermentation of Hall strain Clostridium botulinum type A grown in a medium containing casein hydrolysate, glucose, and yeast extract, intended for intramuscular use.
Botox blocks neuromuscular transmission by binding to acceptor sites on motor nerve terminals, entering the nerve terminals, and inhibiting the release of acetylcholine. When injected intramuscularly at therapeutic doses, Botox produces partial chemical denervation of the muscle resulting in a localized reduction in muscle activity. In addition, the muscle may atrophy, axonal sprouting may occur, and extrajunctional acetylcholine receptors may develop. There is evidence that reinnervation of the muscle may occur, thus slowly reversing muscle denervation produced by Botox.
Botox is indicated for the temporary improvement in the appearance of moderate to severe glabellar lines associated with corrugator and/or procerus muscle activity in adult patients ≤ 65 years of age.
Botox is contraindicated in the presence of infection at the proposed injection site(s) and in individuals with known hypersensitivity to any botulinum toxin preparation or to any of the components in the formulation.
Depression
The first open label trial of Botox to the glabellar muscle complex to treat unipolar depression was published in 2006. Since that time, three randomized double blind placebo-controlled trials were conducted to assess the efficacy of Botox treatment of the glabellar muscle complex in major depression. All three studies showed a response rate of 50 to 60%, and the remission rate of approximately one-third. To date, no clinical trials of Botox have been conducted in SAD.
Social Anxiety Disorder (SAD)
Social anxiety disorder (SAD) is a common psychiatric condition marked by persistent fear and anxiety of one or more social or performance situations. The lifetime prevalence of the disorder is 12%, and leads to significant morbidity for those affected. The only FDA approved treatments for SAD have response rates of 40 to 60 %, and remission rates of 20%. Therefore, there is a real need for the development of new and effective treatments for SAD.
Patients suffering from SAD either avoid situational triggers or endure intense anxiety and distress, leading to an impaired social life in either scenario. SAD is characterized by an overactive anxiety pathway with a perceptual and cognitive bias towards threat.
The amygdala, a limbic region with multiple projections to cortical and subcortical regions, is thought to be critically involved in the regulation of emotion, with a general role in directing attention to affectively salient stimuli, recruiting and coordinating cortical arousal for optimizing sensory and perceptual processing of ambiguous or novel stimuli.. A tight link between fear and the amygdala has been suggested. Fear related neuronal circuits involving the amygdala are thought to play a role in the generation of social withdrawal, fear, and anxiety.
Recently, two studies have linked botulinum toxin A treatment of the frown with down-regulation of amygdala activity. Patients who received botulinum toxin A injections into their frown muscles had decreased activity in the amygdala and its coupling with brain stem activity when mimicking angry facial expressions. Further research has confirmed that amygdala activity in response to angry faces was decreased when the frown muscles were paralyzed by botulinum toxin A injection. Furthermore, amygdala activity returned to its original state after the effects of the botulinum toxin A injection had worn off, confirming that botulinum toxin A reversibly severed afferent feedback from the corrugator muscle to the amygdala.
Given that SAD patients show abnormal patterns of amygdalar activation after viewing emotional faces, we believe that there is a good likelihood that some of the symptoms of SAD will improve after botulinum toxin A treatment of the frown.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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District of Columbia
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Washington, District of Columbia, United States, 20036
- GW University Medical Faculty Associated
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- primary diagnosis of social anxiety disorder
- women of childbearing potential on an acceptable form of birth control and are not pregnant or lactating
Exclusion Criteria:
- has ever been treated with botulinum toxin A
- has another Axis I diagnosis within in the 6-months prior to screening
- history of substance abuse within 2-months of screening
- current or recent suicidality
- scoring greater than 2 on Beck Depression Inventory (BDI) suicidality question
- psychotic or bipolar disorder
- unstable medical condition
- changes in medication or psychotherapy treatment in the month prior to screening
- significant risk of committing homicide
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Open-label
10 participants will be recruited for an open-label study.
All will receive the active medication and complete depression and anxiety surveys at baseline, 4-weeks, and 8-weeks post injection.
All participants will receive botulinum toxin A.
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Single treatment visit for 5 injections of botulinum toxin A, 40 units (for females) and 50 units (for males)/
Other Names:
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Placebo Comparator: Double-Blind
30 participants will be recruited for a double-blind, comparison study.
Participants will be randomized to the active or control groups.
Each will receive an injection (active medication or placebo) and will complete a depression and anxiety survey at baseline, 4-weeks and 8-weeks post injection.
Participants in the active group will receive botulinum toxin A; participants in the control group will receive a placebo.
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Single treatment visit for 5 injections of botulinum toxin A, 40 units (for females) and 50 units (for males)/
Other Names:
single treatment visit for 5 injections of normal saline
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Efficacy of of Botulinum Toxin A Reducing Symptoms of Social Anxiety Disorder
Time Frame: 2 months
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Repeated measure at baseline, 4-weeks and 8-weeks post-injection of anxiety using the Liebowitz Social Anxiety Scale to determine treatment response.
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2 months
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Daniel Z Lieberman, MD, George Washington University
Publications and helpful links
General Publications
- Reichenberg JS, Hauptman AJ, Robertson HT, Finzi E, Kruger TH, Wollmer MA, Magid M. Botulinum toxin for depression: Does patient appearance matter? J Am Acad Dermatol. 2016 Jan;74(1):171-173.e1. doi: 10.1016/j.jaad.2015.08.051. No abstract available.
- Finzi E, Wasserman E. Treatment of depression with botulinum toxin A: a case series. Dermatol Surg. 2006 May;32(5):645-9; discussion 649-50. doi: 10.1111/j.1524-4725.2006.32136.x.
- Finzi E, Rosenthal NE. Emotional proprioception: Treatment of depression with afferent facial feedback. J Psychiatr Res. 2016 Sep;80:93-96. doi: 10.1016/j.jpsychires.2016.06.009. Epub 2016 Jun 16.
- Magid M, Reichenberg JS, Poth PE, Robertson HT, LaViolette AK, Kruger TH, Wollmer MA. Treatment of major depressive disorder using botulinum toxin A: a 24-week randomized, double-blind, placebo-controlled study. J Clin Psychiatry. 2014 Aug;75(8):837-44. doi: 10.4088/JCP.13m08845.
- Wollmer MA, de Boer C, Kalak N, Beck J, Gotz T, Schmidt T, Hodzic M, Bayer U, Kollmann T, Kollewe K, Sonmez D, Duntsch K, Haug MD, Schedlowski M, Hatzinger M, Dressler D, Brand S, Holsboer-Trachsler E, Kruger TH. Facing depression with botulinum toxin: a randomized controlled trial. J Psychiatr Res. 2012 May;46(5):574-81. doi: 10.1016/j.jpsychires.2012.01.027. Epub 2012 Feb 24.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Mental Disorders
- Phobic Disorders
- Anxiety Disorders
- Phobia, Social
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Cholinergic Agents
- Membrane Transport Modulators
- Acetylcholine Release Inhibitors
- Neuromuscular Agents
- Botulinum Toxins
- Botulinum Toxins, Type A
- abobotulinumtoxinA
Other Study ID Numbers
- 041641
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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