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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04974645
Other study ID # 62053
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date November 3, 2021
Est. completion date May 18, 2022

Study information

Verified date January 2024
Source Woebot Health
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Prior to launching a randomized controlled trial, this pilot study will investigate the feasibility and acceptability of the administration of a diagnostic interview and collection of a biomarker test, as well as engagement and preliminary efficacy with W-SUDs and the education arm, among a sample of adults who screen positive for problematic substance use.


Recruitment information / eligibility

Status Completed
Enrollment 20
Est. completion date May 18, 2022
Est. primary completion date May 18, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: 1. Have a smartphone 2. Endorse a substance use concern 3. Be between 18 and 65 years of age 4. Be available and committed to engage with the Woebot app 5. Be literate in English.(This is required for inclusion because all materials will be in English). Exclusion Criteria: 1. Pregnancy (as W-SUDs will not be specifically developed to address the unique needs of this population) 2. Suicide attempt within the past year (12 months) 3. Symptoms of severe drug/alcohol history: History of delirium tremens; Experiencing hypertension, drenching sweats, seizures or confusion after stopping alcohol or drugs; Liver trouble (cirrhosis or hepatitis); Convulsions or GI bleeding due to drug/alcohol use 4. Opioid overdose within the past year (12 months) 5. Opioid misuse without medication-assisted treatment 6. Not residing in the U.S. 7. Ever used Woebot

Study Design


Intervention

Device:
W-SUDs
Woebot (W-SUDs) is an automated conversational agent, available through a smartphone application, that delivers evidence-based psychotherapeutics, empathy, and emotional health psychoeducation.
Other:
Digitally-delivered Psychoeducation
A form of psychoeducation for those seeking treatment for their alcohol and/or substance use concern. Psychoeducation is commonly provided for those with substance use. Psychoeducation in substance use is intended to increase the users' knowledge of their substances of use, and effects on the body, behaviors, and consequences. The recipient of psychoeducation is expected to increase their own awareness of their substance use and ideally incorporate this newfound knowledge when making changes to their substance use. The information provided in this group are from factsheets found on NIAAA, NIDA, and CDC web pages.

Locations

Country Name City State
United States Stanford University Palo Alto California
United States Woebot Health San Francisco California

Sponsors (3)

Lead Sponsor Collaborator
Woebot Health National Institute on Drug Abuse (NIDA), Stanford University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Number of Substance Use Occasions Change in number of substance use occasions in the past 30 days Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Past Month Average Days Per Week of Drinking Alcohol Assessed with the Quick Drinking Screen (QDS), a measure of alcohol consumption. The QDS is a brief self-report measure used to assess average alcohol consumption over a specified time period (in the present study it was the past 30 days). The QDS collects drinking data for three variables including number of days drinking, number of standard drinks per drinking day, and number of binge/risky drinking days. Binge/risky drinking days is defined as days when they have had 5 or more standard drinks (for men) or 4 or more standard drinks (for women). Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Past Month Average Standard Drinks in a Day Assessed with the Quick Drinking Screen (QDS), a measure of alcohol consumption. The QDS is a brief self-report measure used to assess average alcohol consumption over a specified time period (in the present study it was the past 30 days). The QDS collects drinking data for three variables including number of days drinking, number of standard drinks per drinking day, and number of binge/risky drinking days. Binge/risky drinking days is defined as days when they have had 5 or more standard drinks (for men) or 4 or more standard drinks (for women). Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Past Month Number of Binge Days Assessed with the Quick Drinking Screen (QDS), a measure of alcohol consumption. The QDS is a brief self-report measure used to assess average alcohol consumption over a specified time period (in the present study it was the past 30 days). The QDS collects drinking data for three variables including number of days drinking, number of standard drinks per drinking day, and number of binge/risky drinking days. Binge/risky drinking days is defined as days when they have had 5 or more standard drinks (for men) or 4 or more standard drinks (for women). Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Past Month Average Standard Drinks in a Week Assessed with the Quick Drinking Screen (QDS), a measure of alcohol consumption. The QDS is a brief self-report measure used to assess average alcohol consumption over a specified time period (in the present study it was the past 30 days). The QDS collects drinking data for three variables including number of days drinking, number of standard drinks per drinking day, and number of binge/risky drinking days. Binge/risky drinking days is defined as days when they have had 5 or more standard drinks (for men) or 4 or more standard drinks (for women). Number of standard drinks per week is calculated by multiplying number of standard drinks per day in the past month and number of binge days per month. Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Short Inventory of Problems- Alcohol and Drugs (SIP-AD) The SIP-AD assesses substance use problems in the past 30 days. The scored variables, total scores and 15-item mean, summarize consequences of alcohol and drug use. Scores range from 0-45, where greater scores indicate greater substance use problems. Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Craving Ratings Self-reported ratings of craving intensity. Craving is assessed with a single question, "In the past 7 days, how much were you bothered by cravings or urges to drink alcohol or use drugs?". The question is rated on a scale of 0 to 4 where 0 = not at all, 1 = a little bit, 2 = moderately, 3 = quite a bit, and 4 = extremely. Greater scores indicate a more intense urge to use. Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Working Alliance Inventory (WAI-SR) Measure of working alliance. A measure of 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. Task, goal, and bond subscales scores range from 5-20, with higher scores indicating greater alliance. The present study utilized the validated 12-item Short-Revised version (WAI-SR) with minor changes to language, replacing "therapist" with "Woebot". Difference between Mid-treatment at 4 weeks and Post-treatment at 8 weeks
Secondary Stanford Presenteeism Scale (SPS-6) Measure of the effects of substance use on productivity. The SPS-6 is a 6-item self-report measure used to assess perceptions of the effects of substance use on past 2-week work productivity. Response options range from strongly disagree (1) to strongly agree (5). Total scores range from 6 to 30, where higher scores indicate higher presenteeism. Change from Baseline to Post-treatment at 8 weeks
Secondary Thoughts About Abstinence (TAA) Modified for alcohol and substances. 5-item questionnaire assessing desire to quit, expected success at quitting, expected difficulty of quitting, and confidence in ability to quit. Each item is rated on a scale of 1 to 10 where 1 is the lowest (desire, expectation, confidence) and 10 is the highest (desire, expectation, confidence). Change from Baseline to Post-treatment at 8 weeks
Secondary CAIR Pandemic Impact Questionnaire (C-PIQ) Assesses impact of the COVID-19 pandemic in terms of exposure to stressors, mental health impact and growth. Exposure domain total scores range from 0-15, with higher scores indicating greater exposure. Impact domain total scores range from 0-23, where greater scores are related to greater impact. Change from Baseline to Post-treatment at 8 weeks
Secondary Patient Health Questionnaire (PHQ-8) Measure of depression severity. An 8-item abbreviated version of the PHQ-9 used to assess mood symptoms. The PHQ-8 excludes an item assessing suicidality. Items are rated on a 4-point Likert scale (0 = "not at all" to 3 = "nearly every day"). Total score between 0-24, with higher scores indicating greater severity of depression symptoms. Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Generalized Anxiety Disorder (GAD-7) Measure of anxiety severity. A 7-item self-report measure used to assess the frequency and severity of anxious thoughts and behaviors over the past 2 weeks. Items are rated on a 4-point Likert scale (0 = "not at all" to 3 = "nearly every day").Total scores range from 0-21, where higher scores indicate greater severity of anxiety symptoms. Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Brief Situational Confidence Questionnaire (BSCQ) Measure of self-confidence. The 8-item BSCQ is a state dependent measure that assesses self-confidence to resist the urge to drink heavily or use drugs in a variety of situations. Each of the 8 scale situations consists of a 100-mm line, anchored by 0% ("not at all confident") and 100% ("totally confident") where clients are asked to indicate confidence on a scale from 0% to 100%. Higher scores are associated with greater confidence. Change from Baseline to Mid-Treatment at 4 weeks; Change from Baseline to Post-treatment at 8 weeks; Change from Baseline to 1-Month Follow-up at 12 weeks
Secondary Usage Rating Profile - Intervention (URPI)-Acceptability Measure of acceptability. A 9-item subscale that inquires about intervention acceptability. For the purposes of this study, an adapted 6-item version of the subscale was utilized. Items are rated on a 6-point Likert scale (1 = "strongly disagree" to 6 = "strongly agree"). Total acceptability scores range from 6-36, with higher scores indicating greater intervention acceptability. Post-treatment (8 weeks from baseline)
Secondary Usage Rating Profile Intervention - Intervention (URPI)-Feasibility Measure of feasibility. A 6-item subscale that inquires about factors that impact treatment usage (i.e., intervention quality). Items are rated on a 6-point Likert scale (1 = "slightly disagree" to 6 = "strongly agree"). Total feasibility scores range from 6-36, with higher scores indicating greater intervention feasibility. Post-treatment (8 weeks from baseline)
Secondary Client Satisfaction Questionnaire (CSQ) Measure of satisfaction. An 8-item measure used to assess client's satisfaction with treatment on a 4-point scale. Example questions include, "How would you rate the quality of service you received"? and "Did you get the kind of service you wanted?" Total sums range from 8-32, with high scores indicating greater satisfaction with the W-SUDs mobile application. Post-treatment (8 weeks from baseline)
Secondary Number of Participants Indicating Substance Use The alcohol use disorder and substance use disorder (non-alcohol) modules of the Mini-International Neuropsychiatric Interview (MINI) was used to assess a alcohol and substance use diagnosis. Baseline
Secondary Number of Participants Providing PEth Sample Phosphatidylethanol (PEth) Phosphatidylethanol (PEth) is an alcohol biomarker, where a positive result is an indication of alcohol exposure during the 2-4 weeks prior to specimen collection. Participants were asked to complete PEth tests at Baseline and Post-treatment at 8 weeks. Baseline and Post-treatment at 8 weeks
Secondary Engagement With Control Condition Assessment of number of emails opened duration of study Baseline to Post-treatment at 8 weeks
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