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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04985331
Other study ID # W-GenZD-002
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date August 2, 2021
Est. completion date January 4, 2022

Study information

Verified date January 2022
Source Woebot Labs, Inc.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of the present randomized controlled study is to investigate if there is a difference in depression symptoms at 4-weeks among adolescents ages 16-17 years assigned to W-GenZD, a digital therapeutic, as compared to a psychoeducational control group.


Recruitment information / eligibility

Status Completed
Enrollment 246
Est. completion date January 4, 2022
Est. primary completion date December 16, 2021
Accepts healthy volunteers No
Gender All
Age group 16 Years to 17 Years
Eligibility Inclusion Criteria: - Adolescents aged 16-17 years old - Experiencing mild-moderate depression as indicated by a PHQ-8 score between 5-19, inclusive, assessed at screening/baseline - Has regular access to a smartphone (Android or iOS smartphone with a recent supported operating system) with reliable WiFi access or sufficient data to engage with assigned study arm for the duration of the study - Available and committed to engage with the program and complete assessments for an 8-week duration - Able to read and write in English - U.S. resident - Regular, stable dose of antidepressant medications for (e.g. escitalopram/Lexapro, fluoxetine/ Prozac) for at least 60 days at screening with no plans to change medication/dose throughout the study - If currently receiving psychotherapy, then must be in therapy for at least 4 weeks at screening with no changes planned for the duration of the study - Participants must be able to understand and willing to provide informed assent and to comply with all study procedures and restrictions Exclusion Criteria: - Lifetime diagnosis of a psychotic disorder, including schizophrenia and schizoaffective disorder - Lifetime diagnosis of bipolar disorder - Lifetime diagnosis of autistic spectrum disorder or pervasive developmental disorder (e.g. autism, Asperger syndrome, Rett's syndrome, or pervasive developmental disorder not otherwise specified) - Suicidal attempt or ideation with a plan and intent to harm oneself during the last 12 months - History of (a) drug and/or alcohol abuse within the past 12 months (determined by self-report) - Current use of benzodiazepines (e.g. lorazepam, clonazepam, alprazolam, diazepam, triazolam) or certain sleep aids (zolpidem, eszopiclone, zaleplon) - Previous Woebot Application use

Study Design


Related Conditions & MeSH terms


Intervention

Device:
W-GenZD
W-GenZD is a program that delivers evidence based therapy for the symptoms of mild-moderate depression and anxiety in adolescents in brief "conversations" with a fully automated relational agent.

Locations

Country Name City State
United States Woebot Health San Francisco California

Sponsors (1)

Lead Sponsor Collaborator
Woebot Labs, Inc.

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Patient Health Questionnaire (PHQ-8) Measure of depression severity. Total score between 0-27, where higher scores indicate greater levels of depression. Change from Baseline to Mid-Treatment at 2 weeks; Change from Baseline to Post-treatment at 4 weeks; Change from Baseline to 1-Month Follow-up at 8 weeks
Secondary Generalized Anxiety Disorder (GAD-7) Measure of anxiety. Total score between 0-21, where higher scores indicate greater levels of anxiety. Change from Baseline to Mid-Treatment at 2 weeks; Change from Baseline to Post-treatment at 4 weeks; Change from Baseline to 1-Month Follow-up at 8 weeks
Secondary Working Alliance Inventory (WAI-SR) Therapeutic alliance that assesses three key aspects of the therapeutic alliance: (a) agreement on the tasks of therapy, (b) agreement on the goals of therapy and (c) development of an affective bond. Scores range from 5-20, with higher scores indicating greater alliance. Difference between mid-treatment at 3 days weeks within treatment and post-treatment at 4 weeks
Secondary Mental Health Self-Efficacy Scale (MHSE) Assesses confidence in managing stress, depression, and anxiety. Range is 10 to 60, with higher scores indicating more self-efficacy. Change from Baseline to Post-treatment at 4 weeks; Change from Baseline to 1-Month Follow-up at 8 weeks
Secondary Client Satisfaction Questionnaire (CSQ) Range from 8 to 32, with higher values indicating higher satisfaction Post-treatment (8 weeks from baseline)
Secondary Usage Rating Profile Intervention (URPI) Measurement of feasibility and acceptability. Scores range from 6-36, with higher scores indicating greater feasibility and acceptability. Post-treatment (8 weeks from baseline)
Secondary Number of active application days Application engagement in the total number of active days using the application will be collected during the study to provide quantitative data regarding application utilization. Post-treatment (8 weeks from baseline)
Secondary Number of application messages sent per week Application engagement in the number of messages sent each week within the application will be collected during the study to provide quantitative data regarding application utilization. Post-treatment (8 weeks from baseline)
Secondary Satisfaction ratings of psychoeducational materials Satisfaction metrics in the total number of 'Thumbs up' (likes) or 'Thumbs down' (dislikes) will be collected during the study to provide quantitative data regarding satisfaction with program content. Post-treatment (8 weeks from baseline)
Secondary Mood change ratings after CBT skill application Satisfaction metrics in the total number of mood change ratings of 'same', 'better', or 'worse, after learning a CBT skill application will be collected during the study to provide quantitative data regarding satisfaction with content. Post-treatment (8 weeks from baseline)
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