- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04622930
Waitlist-Control Trial of Smartphone CBT for Social Anxiety Disorder (SAD)
May 15, 2023 updated by: Sabine Wilhelm, PhD, Massachusetts General Hospital
Smartphone Cognitive Behavioral Therapy for Social Anxiety Disorder: A Randomized, Waitlist-control Trial
The investigators are testing the efficacy of Smartphone-delivered cognitive behavioral therapy (CBT) treatment for social anxiety disorder (SAD).
The investigators hypothesize that participants receiving app-CBT will have greater reduction in LSAS scores than those in the waitlist condition at treatment endpoint (week 12).
Study Overview
Status
Withdrawn
Conditions
Intervention / Treatment
Detailed Description
The primary aims of this study are to test the efficacy of a Smartphone-based CBT treatment for adults with SAD recruited nationally.
Eligible subjects (N=80) will be randomly assigned to 12 weeks of Smartphone-delivered CBT for SAD either immediately, or after a 12-week long waiting period (50-50 chance).
The investigators hypothesize that Smartphone-delivered CBT for SAD will be feasible and acceptable to individuals with SAD, and that it will lead to greater reductions in SAD symptom severity compared to the passage of time (waitlist control).
Study Type
Interventional
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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Massachusetts
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Boston, Massachusetts, United States, 02114
- Massachusetts General Hospital
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- At least 18 years of age
- Current diagnosis of primary DSM-5 SAD, based on MINI
- Currently living in the United States
Exclusion Criteria:
- Psychotropic medication changes within 2 months prior to enrollment i. Participants taking psychotropic medication must have been on a stable dose for at least 2 months prior to enrollment and not change medication during study period
- Past participation in ≥ 4 sessions of CBT for SAD
- Current severe substance use disorder
- Lifetime bipolar disorder or psychosis
- Current severe comorbid major depression, as indicated by clinical judgment and/or a QIDS-SR total score ≥ 21 ***EDIT***
- Acute, active suicidal ideation as indicated by clinical judgment and/or a score ≥ 2 on the suicidal ideation subscale of the C-SSRS
- Concurrent psychological treatment
- Does not own a supported mobile Smartphone with a data plan
- Lack of technology literacy that would interfere with ability to engage with smartphone treatment
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Experimental: Smartphone-delivered CBT for SAD
12-week Smartphone delivered CBT for SAD.
|
12-week Smartphone-delivered CBT for SAD.
In-person cognitive-behavioral therapy (CBT) is an empirically supported treatment for SAD.
The app-delivered CBT in this project includes modules such as cognitive skills (e.g., cognitive restructuring, core belief work), behavioral skills (e.g., exposure with ritual prevention), and perceptual retraining/mindfulness skills.
|
Other: 12 Week Waitlist Control
12-week waitlist control.
(Note: participants will be crossed over to 12-week Smartphone-delivered CBT for SAD following the 12-week waitlist control).
|
12-week Smartphone-delivered CBT for SAD.
In-person cognitive-behavioral therapy (CBT) is an empirically supported treatment for SAD.
The app-delivered CBT in this project includes modules such as cognitive skills (e.g., cognitive restructuring, core belief work), behavioral skills (e.g., exposure with ritual prevention), and perceptual retraining/mindfulness skills.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Difference in SAD severity (LSAS) at the end of treatment/waitlist period.
Time Frame: Endpoint (week 12)
|
The Liebowitz Social Anxiety Scale (LSAS) is a clinician-administered measure of social anxiety symptom severity.
It contains 24 social situations likely to elicit social anxiety, and items are scored on a Likert scale ranging from 0 to 3. Higher scores indicate more severe SAD symptoms.
The LSAS will be used to assess change in social anxiety symptoms from baseline to endpoint.
|
Endpoint (week 12)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Difference in depression severity as assessed by change in The Center for Epidemiologic Studies Depression Scale - Revised (CESD-R) total scores from baseline to week 12.
Time Frame: Endpoint (week 12)
|
Participants who receive app-CBT will have a difference in depression severity as assessed by change in The Center for Epidemiologic Studies Depression Scale - Revised (CESD-R) total scores from baseline to week 12.
The CESD-R is a self-report measure of depressive symptoms consisting of 20 scale items with responses ranging from 0 to 4, including two questions about suicidal ideation (item #14, #15).
Higher scores correspond with greater depression severity, and the measure is a well-validated, sensitive measure of symptom severity in depression.
|
Endpoint (week 12)
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Difference in functional impairment as measured by change in The Work and Social Adjustment Scale (WSAS) total scores from baseline to week 12.
Time Frame: Endpoint (week 12)
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Participants who receive app-CBT will have a difference in functional impairment as measured by change in The Work and Social Adjustment Scale (WSAS) total scores from baseline to week 12.
The WSAS uses a Likert scale from 0 (not at all impaired) to 8 (very severely impaired) to assess impairment in occupational, social, and family/friends domains.
Higher scores indicate greater impairment.
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Endpoint (week 12)
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Difference in quality of life as assessed by change in The Quality of Life, Enjoyment, and Satisfaction Questionnaire-Short Form (QLESQ-SR) total scores from baseline to week 12.
Time Frame: Endpoint (week 12)
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Participants who receive app-CBT will have a difference in quality of life as assessed by change in The Quality of Life, Enjoyment, and Satisfaction Questionnaire-Short Form (QLESQ-SR) total scores from baseline to week 12.
The Q-LES-Q-SF is a self-report measure of subjective quality of life, containing Likert items ranging from 1 (Very Poor) to 5 (Very Good).
Total scores are presented as a percentage of the maximum value (i.e., ranging from 0 to 100, with higher scores indicating greater quality of life).
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Endpoint (week 12)
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Sabine Wilhelm, PhD, Massachusetts General Hospital
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Anticipated)
September 1, 2023
Primary Completion (Anticipated)
September 1, 2025
Study Completion (Anticipated)
December 1, 2025
Study Registration Dates
First Submitted
October 13, 2020
First Submitted That Met QC Criteria
November 9, 2020
First Posted (Actual)
November 10, 2020
Study Record Updates
Last Update Posted (Actual)
May 17, 2023
Last Update Submitted That Met QC Criteria
May 15, 2023
Last Verified
May 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2018P001671
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
Yes
product manufactured in and exported from the U.S.
No
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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