©2022 Stanford Medicine
The Anchor Study: Digitally Delivered Intervention for Reducing Problematic Substance Use
Not Recruiting
Trial ID: NCT04925570
Purpose
This study aims to validate W-SUDs as a digitally-delivered substance use disorder program
through a fully-powered randomized control trial that will test the comparative efficacy of
the mobile-app based substance use disorder program (W-SUDs) to reduce substance use relative
to a psychoeducation control condition, which has no cognitive behavioral therapy and the
content is not delivered through a conversational user interface.
Official Title
Woebot for Substance Use Disorders Phase 2 RCT: Digitally Delivered Intervention for Reducing Problematic Substance Use
Stanford Investigator(s)
Judith Prochaska
Senior Associate Vice Provost, Clinical Research Governance and Professor of Medicine (Stanford Prevention Research Center)
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. Previous Woebot use
Intervention(s):
device: W-SUDs
other: Digitally-delivered Psychoeducation
Not Recruiting
Contact Information
Stanford University
School of Medicine
300 Pasteur Drive
Stanford,
CA
94305