- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02402322
Internet-based Self-help Treatment for Panic Disorder: Two Ways of Complementary Psychological Support
Internet-based Self-help Treatment for Panic Disorder: A Randomised Controlled Trial of Two Ways of Administrating the Complementary Psychological Support (Scheduled vs. Non-scheduled)
The aim of this study was to compare two ways of administrating the complementary psychological support (scheduled vs. non-scheduled) in an online self-help program for panic disorder. In order to do so, the investigators studied: a) If there were differences in the intensity and frequency of the symptoms of panic disorder. b) If there were differences in the therapeutic adherence between the subjects receiving both kinds of complementary support. c) If the more time spent by a psychologist in therapeutic interventions produced the best results of therapeutic adherence / symptom improvement.
Seventy seven subjects followed the online self-help program for 8 weeks; 27 subjects had the support of a therapist via phone when they required it, 25 subjects had the support of a therapist weekly and 25 subjects were in the waiting list as a control group.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The aim of this study was to compare two ways of administrating the complementary psychological support (scheduled vs. non-scheduled) in an online self-help program for panic disorder. In order to do so, the investigators studied: a) If there were differences in the intensity and frequency of the symptoms of panic disorder. b) If there were differences in the therapeutic adherence between the subjects receiving both kinds of complementary support. c) If the more time spent by a psychologist in therapeutic interventions produced the best results of therapeutic adherence / symptom improvement.
Treatment program
Internet-based self-help program for anxiety disorders "FREE OF ANXIETY" was developed, based on cognitive behavioral therapy. The program is presented as an interactive course, which is divided into eight weekly modules.A number of therapeutic components are used: psychological education (modules 1-8), behavioral analysis (safety and avoidance behavior) (module 2), in vivo and interoceptive exposure (modules 2-8), relaxation training and diaphragmatic breathing (modules 1-4), cognitive restructuring (modules 4-5), mindfulness (Module 6) communication training (module 7), problem solving Module 8). The program also includes a messaging system between therapists and subjects.
Participants and Procedure
The participants were recruited using a google banner linked to searches about anxiety disorders. The individuals were redirected to a Web page which contained information about anxiety disorders and the aims of the study. Suicide risk (score of 3 in the 15th item of the Web Screening Questionnaire) was established as an exclusion criterion. The study was approved by the ethics committee of the Autonomous University of Barcelona.
Applicants completed the informed consent, the demographic questionnaire and a screening questionnaire online. One week later a psychologist who had been trained to apply the MINI International Neuropsychiatric Interview (Sheehan, Lecrubier, Harnett-Sheehan, Janavs,Weiller, Bonora, et al., 1997) assessed the presence of a current psychiatric diagnosis. Participants with Panic Disorder completed a battery of self-reported measures in order to assess panic disorder, anxiety, and depression symptoms.
After clinical evaluation, the participants were divided into three groups by a true random-number service.
The data collected were anonymized and coded
Seventy seven subjects followed the online self-help program for 8 weeks; 27 subjects had the support of a therapist via phone when they required it, 25 subjects had the support of a therapist weekly and 25 subjects were in the waiting list as a control group.
Participants completed self-reported measures at the end of the treatment, and six months later.
Statistical analyses
The investigators studied differences between participants with and without Panic Disorder regarding their gender and age, using Chi-square test and Student t-test.
The participants' pretreatment and posttreatment measures were analyzed with analysis of variance (ANOVA) with repeated measures. These were followed by t tests with Bonferroni-corrected p values. Effect sizes were calculated both within and between groups, and all calculations were based on the pooled standard deviation, Cohen's d.
All analyses were conducted using SPSS version 22 for Windows.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Meet Diagnostic Statistical Manual criteria for panic disorder.
- Have suffered from panic disorder at least one year.
- Suffer from panic disorder as primary pathology.
- If the participant was taking medication for panic disorder / agoraphobia, the dose should be stable three months before the start of the program.
Exclusion Criteria:
- Obtain a score of 26 or more on the Beck Depression Inventory II
- Suffer from another psychiatric illness that requires immediate attention.
- Risk of suicide, indicated by a score of 3 on the screening questionnaire.
- Being or having been in cognitive behavioral therapy .
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 |
---|---|
Active Comparator: Non-scheduled support
Participants received an Web-based cognitive behavioral treatment for Panic Disorder with the support of a therapist via phone when they required it.
|
Participants followed the online self-help program based on cognitive behavioral therapy for 8 weeks.
They had the support of a therapist via phone when they required it.
|
Experimental: Scheduled support
Participants received an Web-based cognitive behavioral treatment for Panic Disorder with the support of a therapist via phone weekly.
|
Participants followed the online self-help program based on cognitive behavioral therapy for 8 weeks.
They had the support of a therapist via phone weekly.
|
No Intervention: Waiting list
Participants in a waiting list.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change From Baseline Score in the Panic Disorder Severity Scale at 8 Weeks and 6 Months.
Time Frame: Baseline, 8 weeks, 6 months.
|
Panic Disorder Severity Scale Self-Report (PDSS-SR).
This 7-item scale assesses the severity of PD through questions about the frequency of panic attacks, associated distress, anticipatory anxiety, agoraphobic and interoceptive avoidance, and social and work impairment.
Score range: 0-28.
Scores up to 10 correspond with ''mild,'' those between 11 and 15 with ''moderate,'' and those at or above 16 with ''severe'' panic disorder.
|
Baseline, 8 weeks, 6 months.
|
Change From Baseline Score in the Anxiety Sensitivity Index-3 at 8 Weeks and 6 Months.
Time Frame: Baseline, 8 weeks, 6 months.
|
This 18-item scale evaluates sensitivity to anxiety symptoms on 3 dimensions: physical, cognitive, and social.There are 3 subscales, physical, cognitive, and social.
For both the subscales (which range from 0 to 24) and the total scale (which range from 0 to 72), higher scores correspond to greater anxiety sensitivity.
|
Baseline, 8 weeks, 6 months.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change From Baseline Score in the Beck Anxiety Inventory at 8 Weeks and 6 Months.
Time Frame: Baseline, 8 weeks, 6 months.
|
Beck Anxiety Inventory (BAI), Spanish adaptation .
This 21-item self-reported instrument evaluates the cognitive and physical symptoms of anxiety.
Score range:0- 63, with 3 levels of severity 0-21 mild anxiety, 22-35 moderate anxiety and 36-63 severe anxiety.
|
Baseline, 8 weeks, 6 months.
|
Change From Baseline Score in the Beck Depression Inventory at 8 Weeks and 6 Months.
Time Frame: Baseline, 8 weeks, 6 months.
|
Beck Depression Inventory-II (BDI-II), Spanish adaptation (38, 39).
This 21-item self-reported instrument evaluates symptoms of depression.
Score range:0- 63, with 3 levels of severity, 10-18 mild depression, 19-29 moderate depression and >30 severe depression.
|
Baseline, 8 weeks, 6 months.
|
Change From Baseline Score in the Sheehan Disability Inventory (Work Subscale) at 8 Weeks and 6 Months.
Time Frame: Baseline, 8 weeks, 6 months.
|
This 5-item instrument assesses functional impairment at work, and in social and family life.
There are 5 subscales: work, social life, family life, stress, social support.
The first three subscales range from 0 to 10, with higher scores indicating greater disability.
The fourth subscale (stress) range from 0 to 10, with higher scores indicating greater stress perceived.
The fifth subscale (Social Support Subscale) ranges from 0 to 100, with higher scores indicating greater social support perceived.There is not a total score.
|
Baseline, 8 weeks, 6 months.
|
Change From Baseline Score in the Sheehan Disability Inventory (Social Life Subscale) at 8 Weeks and 6 Months.
Time Frame: Baseline, 8 weeks, 6 months.
|
This 5-item instrument assesses functional impairment at work, and in social and family life.
There are 5 subscales: work, social life, family life, stress, social support.
The first three subscales range from 0 to 10, with higher scores indicating greater disability.
The fourth subscale (stress) range from 0 to 10, with higher scores indicating greater stress perceived.
The fifth subscale (Social Support Subscale) ranges from 0 to 100, with higher scores indicating greater social support perceived.There is not a total score.
|
Baseline, 8 weeks, 6 months.
|
Change From Baseline Score in the Sheehan Disability Inventory (Family Subscale) at 8 Weeks and 6 Months.
Time Frame: Baseline, 8 weeks, 6 months.
|
This 5-item instrument assesses functional impairment at work, and in social and family life.
There are 5 subscales: work, social life, family life, stress, social support.
The first three subscales range from 0 to 10, with higher scores indicating greater disability.
The fourth subscale (stress) range from 0 to 10, with higher scores indicating greater stress perceived.
The fifth subscale (Social Support Subscale) ranges from 0 to 100, with higher scores indicating greater social support perceived.There is not a total score.
|
Baseline, 8 weeks, 6 months.
|
Change From Baseline Score in the Sheehan Disability Inventory (Stress Subscale) at 8 Weeks and 6 Months.
Time Frame: Baseline, 8 weeks, 6 months.
|
This 5-item instrument assesses functional impairment at work, and in social and family life.
There are 5 subscales: work, social life, family life, stress, social support.
The first three subscales range from 0 to 10, with higher scores indicating greater disability.
The fourth subscale (stress) range from 0 to 10, with higher scores indicating greater stress perceived.
The fifth subscale (Social Support Subscale) ranges from 0 to 100, with higher scores indicating greater social support perceived.There is not a total score.
|
Baseline, 8 weeks, 6 months.
|
Change From Baseline Score in the Sheehan Disability Inventory (Social Support Subscale) at 8 Weeks and 6 Months.
Time Frame: Baseline, 8 weeks, 6 months.
|
This 5-item instrument assesses functional impairment at work, and in social and family life.
There are 5 subscales: work, social life, family life, stress, social support.
The first three subscales range from 0 to 10, with higher scores indicating greater disability.
The fourth subscale (stress) range from 0 to 10, with higher scores indicating greater stress perceived.
The fifth subscale (Social Support Subscale) ranges from 0 to 100, with higher scores indicating greater social support perceived.There is not a total score.
|
Baseline, 8 weeks, 6 months.
|
Collaborators and Investigators
Investigators
- Study Director: Beatriz Molinuevo, PhD, Department of Psychiatry and Forensic Medicine, Institute of Neurosciences, School of Medicine, Universitat Autònoma de Barcelona, Spain
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PTCCAP
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