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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT05160376
Other study ID # PSY018
Secondary ID
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date January 24, 2022
Est. completion date July 31, 2022

Study information

Verified date March 2022
Source Chinese University of Hong Kong
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study will examine the efficacy of guided and unguided online transdiagnostic self-help cognitive behavioral therapy (CBT) for reducing anxiety and/or depression symptoms in Hong-kong residents. Numerous literature demonstrates online self-help interventions' efficacy on depression and anxiety. Nonetheless, existing research overlooks the mechanism of change, the online treatment outcome's potential predictors, and the effect of therapist's guidance on participants' treatment expectancy and its mediating effect on treatment outcome, which are essential to optimize intervention's efficacy. 96 Hong-kong residents, aged 18-65, with mild to moderate anxiety and/or depression will be recruited. Eligible participants will be randomly assigned to either guided group (Group-1) or unguided group (Group-2) or waitlist control group (Group-3) in a 1:1:1 ratio. Group-1 will receive weekly manualized progress feedback from trained researchers under supervision, after each weekly treatment. Group-2 will not receive the aforementioned feedback. Group-1 and Group-2 will receive reminders on the 5th, 6th and 7th day if weekly treatment is not completed. All participants will complete baseline assessments before treatment, six weekly treatments (except Group-3), a post-treatment assessment immediately and four-week after treatment. Randomly selected participants will complete an individual interview after treatment. Feedback will be gathered through a phone call to improve the intervention in the future.


Description:

This study will be a pilot randomized control trial that examines the efficacy of guided and unguided transdiagnostic online self-help cognitive behavioral therapy for reducing symptoms of anxiety and depression in the Hong Kong adult resident population. Despite online self-help intervention has been widely recognized by its efficacy in improving depression and anxiety symptoms, the existing literature overlooks the mechanism of change and the potential predictors of online treatment outcome, as well as the effect of therapist's guidance on participants' treatment expectancy and its mediating effect on treatment outcome. However, the aforementioned research gaps are essential for optimizing the efficacy of online self-help interventions. Prior to all study procedures, online informed consent with phone support will be obtained from potential participants. Around 96 eligible participants will be randomly assigned to either guided intervention group or unguided intervention group or waitlist control group in a ratio of 1:1:1. The randomization will be performed by an independent assessor using a computer-generated list of numbers. No deception is necessary. The participants in the guided intervention group will receive feedback calls (approximately 15 minutes) on participants' progress after each online self-help intervention session. The check-in includes treatment concepts clarification, homework checking, and technical issues solving. The check-ins will be delivered by a clinical psychology trainee or an undergraduate trained psychology student under the supervision of a clinical psychology professor. The participants in the unguided intervention group will not receive the aforementioned check-ins. The participants in both guided and unguided intervention groups will receive an email reminder and text message if the participants have not completed the required session of that week on the 5th, 6th, and 7th of the same week. Both technical supports are available for both groups. The waitlist unguided control group will not receive any online self-help intervention. All participants will complete a set of baseline assessments before the first session, a post-treatment assessment immediately after treatment, and a post-treatment assessment four-week after the treatment. Apart from the waitlist control group, both guided and unguided intervention groups will receive a total of six weekly online treatments. Randomly selected participants will complete an individual interview after treatment. Feedback will be gathered through a phone call or online feedback form to improve the intervention in the future.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 90
Est. completion date July 31, 2022
Est. primary completion date March 26, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: 1. Have anxiety and/or depression symptoms, scoring 10 or above, in accordance with Patient Health Questionnaire (PHQ-9) or General Anxiety Disorder-7 (GAD-7); 2. Hong Kong residents aged 18-65; 3. Have access to the internet and have a valid email address for communication; 4. Able to read Chinese and type in Chinese or English; and 5. Willing to provide informed consent. Exclusion Criteria: 1. Had received psychotherapy for depression and/or anxiety in the past 6 months; 2. Have reported the diagnosis of major psychiatric, bipolar disorder, medical or neurocognitive disorders, or have experienced dissociative symptoms that make participation infeasible or interfere with the adherence to the digital self-help intervention; 3. Will participate in another similar study/ other similar studies concurrently; 4. Any suicidal ideation (scoring above 2 in item 9 in PHQ-9) 5. Have reported substance abuse or dependence history; 6. Had changes in psychotropic drugs within 2 weeks before baseline assessment; and 7. Pregnancy.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Self-help CBT with email reminder and text message
An online transdiagnostic self-help intervention that is delivered through an online mental health platform. Email reminder and text message will be sent to remind participant to complete the module
Feedback calls on participants' progress
Feedback calls (approximately 15 minutes) on participants' progress from a clinical psychology trainee or an undergraduate trained psychology student under the supervision of a clinical psychology professor

Locations

Country Name City State
Hong Kong The Chinese University of Hong Kong Sha Tin

Sponsors (1)

Lead Sponsor Collaborator
Chinese University of Hong Kong

Country where clinical trial is conducted

Hong Kong, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Depressive Symptoms - The Patient Health Questionnaire-9 (PHQ-9) The Patient Health Questionnaire-9 (PHQ-9) is a self-report measure that consists of 4-point Likert-scale questions that assess the severity of depressive symptoms. This measure reflects the DSM-IV diagnostic criteria of depression. Higher score means that the respondent has more depressive symptoms. Total score categories: 0-4 is no clinically significant depressive symptoms, 5-9 indicates mild depressive symptom,10-14 indicates moderate depressive symptoms, 15-19 indicates moderately severe depressive symptoms, 20-27 indicates extremely severe depressive symptom. This measure also shows good convergent validity with other measures and are widely used in mental health research (Beard et al., 2016; Kroenke et al., 2010) Baseline Assessment Phrase, Post-treatment Assessment Phrase (Immediately after Treatment), Post-treatment Assessment Phrase (Four-week after Treatment)
Primary Change in Anxiety Symptoms - The General Anxiety Disorder-7 (GAD-7) The General Anxiety Disorder-7 (GAD-7) is a self-report measure to evaluate the severity of anxiety symptoms. This measure reflects the DSM-IV diagnostic criteria of anxiety. Total score categories: 0-4 is no clinically significant depressive symptoms, 5-9 indicates mild depressive symptom,10-14 indicates moderate depressive symptoms, 15-19 indicates moderately severe depressive symptoms, 20-27 indicates extremely severe depressive symptom. This measure also shows good convergent validity with other measures and are widely used in mental health research (Beard et al., 2016; Kroenke et al., 2010) Baseline Assessment Phrase, Post-treatment Assessment Phrase (Immediately after Treatment), Post-treatment Assessment Phrase (Four-week after Treatment)
Secondary Change in Quality-adjusted Life Years - The Short Form Six-Dimension (SF-6D) The Short Form Six-Dimension (SF-6D) is a self-report measure that assesses health-related quality of life to estimate participant's quality-adjusted life years (QALYs). This instrument was validated in the Chinese population and widely applied in previous mental health research. Baseline Assessment Phrase, Post-treatment Assessment Phrase (Immediately after Treatment), Post-treatment Assessment Phrase (Four-week after Treatment)
Secondary Change in Insomnia Severity Index (ISI) A 7-item scale designed to evaluate perceived insomnia severity. Ratings on the 5-point Likert scale are obtained on the perceived severity of sleep-onset, sleep-maintenance, early morning awakening problems, satisfaction with current sleep pattern, interference with daily functioning, noticeably of impairment attributed to the sleep problem, and level of distress caused by the sleep problem. Total score categories: 0-7 is no clinically significant insomnia, 8-14 is subthreshold insomnia,15-21 is clinical insomnia (moderate severity), and 22-28 is clinical insomnia (severe) Baseline Assessment Phrase, Post-treatment Assessment Phrase (Immediately after Treatment), Post-treatment Assessment Phrase (Four-week after Treatment)
Secondary Change in the Perceived Stress Scale (PSS) The PSS measures the perceived amount of stress experienced over the past month. The total score ranged from 0-40. Higher score means that the respondent has higher perceived stress level. Baseline Assessment Phrase, Post-treatment Assessment Phrase (Immediately after Treatment), Post-treatment Assessment Phrase (Four-week after Treatment)
Secondary Change in emotional regulation strategies - Emotion Regulation Questionnaire (ERQ) The Emotion Regulation Questionnaire (ERQ) is a self-report questionnaire that consists of 10 questions to assess how often the participants use cognitive reappraisal and expressive suppression as emotional regulation strategies. The total score ranged from 10-70. Higher score indicates that the respondent use cognitive reappraisal and expressive suppression as emotional regulation strategies more frequently. Baseline Assessment Phrase, Post-treatment Assessment Phrase (Immediately after Treatment), Post-treatment Assessment Phrase (Four-week after Treatment)
Secondary Change in frequency of applying CBT-based skills - Frequency of Actions and Thoughts Scale (FATS) The Frequency of Actions and Thoughts Scale (FATS) is a self-report scale that assesses how frequent the participants apply the CBT-based skills they learned. The total score ranged from 0-48. Higher score means that the respondent has higher frequency of applying the CBT-based skills they learned. Baseline Assessment Phrase, Post-treatment Assessment Phrase (Immediately after Treatment), Post-treatment Assessment Phrase (Four-week after Treatment)
Secondary Change in Positive Beliefs about Rumination Scale - Adapted Version (PBRS-A) Positive Beliefs about Rumination Scale (PBRS-A) is a 9-item instrument that measures positive belief on their rumination. The total score ranged from 9-36. Higher score means that the respondent has more positive beliefs about rumination. Baseline Assessment Phrase, Post-treatment Assessment Phrase (Immediately after Treatment), Post-treatment Assessment Phrase (Four-week after Treatment)
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