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NCT03633825 · ClinicalTrials.gov registry record · NA

Brief Online Help-seeking Barrier Reduction Intervention

A NA study, sponsored by Harvard University.

Completed
Registry status
NA
Development phase
39,450
Enrollment target

NCT03633825: Completed NA study, sponsored by Harvard University.

NCT03633825 is a NA study that has completed, run by Harvard University. The registered enrollment target is 39,450 participants, above the 1,403-participant average among 58,714 other NA trials with a reported enrollment target (2712% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03633825, a NA study, has completed, sponsored by Harvard University.

COMPLETED
Registry status
NA
Development phase
39,450 participants
Enrollment target

Study Summary

Objective: Mental illness is a leading cause of disease burden; however, many barriers prevent people from seeking mental health services. Technological innovations may improve the ability to reach under-served populations by overcoming many existing barriers. The investigators evaluated a brief, automated risk assessment and intervention platform designed to increase the use of crisis resources provided to individuals who were online and in crisis. Hypothesis: The investigators hypothesized that individuals assigned to the intervention condition would report using crisis resources at higher rates than individuals in the control condition. Method: Participants, users of the digital mental health app Koko, were randomly assigned to treatment or control conditions upon accessing the app and were included in the study after their posts were identified by machine learning classifiers as signaling a current mental health crisis. Participants in the treatment condition received a brief Barrier Reduction Intervention (BRI) designed to increase the use of crisis service referrals provided on the app. Participants were followed-up several hours later to assess the use of crisis services.

Primary Outcome

The number participants indicating at follow-up that they used the crisis resources provided to them (e.g., called the suicide crisis hotline)

Interventions

  • BEHAVIORAL Brief help-seeking barrier reduction intervention

Trial Details

FieldValue
Enrollment Target 39,450 participants
Start Date 2017-08-10
Est. Completion 2017-09-20
Phase NA
Harvard University

37 total trials

What the finished NCT03633825 record still lists

NCT03633825 is an interventional study that assigns participants to a tested intervention. Its 39,450 participants enrollment target places it among the larger protocols in the corpus, above the 1,403-participant average among 58,714 other NA trials with a reported enrollment target (2712% higher).

The record links to 0 conditions, and to 1 intervention - of which Brief help-seeking barrier reduction intervention is the first listed.

NCT03633825 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03633825 about?

NCT03633825 is a clinical study titled "Brief Online Help-seeking Barrier Reduction Intervention". Objective: Mental illness is a leading cause of disease burden; however, many barriers prevent people from seeking mental health services. Technological innovations may improve the ability to reach under-served populations by overcoming many existing barriers. The investigators evaluated a brief, au...

What is the current status of trial NCT03633825?

This trial is currently completed. It is a NA study. The enrollment target is 39,450 participants. The study started on 2017-08-10. Estimated completion is 2017-09-20.

What interventions are being tested in trial NCT03633825?

The interventions under investigation include: Brief help-seeking barrier reduction intervention (BEHAVIORAL).

Who is sponsoring clinical trial NCT03633825?

This trial is sponsored by Harvard University, which has 37 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03633825's enrollment target sits among peer trials

39,450 7th of 2000 higher than 1,994 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03633825, the US trial registry maintained by the National Library of Medicine. NCT03633825 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.