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Completed Phase 2 Interventional Results available

The Anchor Study: Digitally Delivered Intervention for Reducing Problematic Substance Use

ClinicalTrials.gov ID: NCT04925570

Public ClinicalTrials.gov record NCT04925570. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 6, 2026, 4:42 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Woebot for Substance Use Disorders Phase 2 RCT: Digitally Delivered Intervention for Reducing Problematic Substance Use

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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.

Study identification

NCT ID
NCT04925570
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Woebot Health
Industry
Enrollment
258 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 13, 2022
Primary completion
Aug 16, 2023
Completion
Aug 16, 2023
Last update posted
Oct 23, 2024

2022 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Stanford University Palo Alto California 94304

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04925570, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 23, 2024 · Synced Sep 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04925570 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →