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Can an app curb gambling addiction? new study seeks answers

NCT ID NCT06963931

Symptom relief Sponsor: Yale University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a smartphone app called Change4Better (C4B) can help reduce problem gambling compared to standard treatment alone. About 128 adults who gamble and want help will use the app for 6 months. Researchers will track changes in gambling symptoms and how often people use the app.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 128 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2025

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. 18 years of age or older; 2. able to speak, read and write in English; 3. report gambling in the past 2 months (60 days); 4. meet DSM-5 criteria for gambling disorder within past 12 months as determined by the Structured Clinical Interview for Pathological Gambling - DSM-5 version (SCI-PG-DSM); 5. at least mild gambling severity as measured by GSAS (Total \>8) 6. seeking or currently enrolled in treatment for gambling; if seeking treatment, must be deemed appropriate for outpatient level of care by treatment facility clinical team 7. own a smartphone with internet access. Exclusion Criteria: 1. unwilling or unable to provide informed consent due to severe cognitive impairment or inability to read; 2. deemed to have current untreated psychosis or mania; 3. active suicidal ideation; 4. physical dependence on opioids and/or alcohol requiring medical detoxification.

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Conditions

The condition(s) this trial relates to.

pathological gambling

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Problem gambling

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    6 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • CommuniCare

    RECRUITING

    New Haven, Connecticut, 06511, United States

  • Connecticut Renaissance

    RECRUITING

    Norwalk, Connecticut, 06852, United States

  • Kindbridge Behavioral Health

    RECRUITING

    Denver, Colorado, 80237, United States

  • MCCA

    RECRUITING

    Waterbury, Connecticut, 06710, United States

  • United Community & Family Services

    RECRUITING

    Norwich, Connecticut, 06360, United States

  • Wheeler Community Healthcare

    RECRUITING

    Plainville, Connecticut, 06062, United States

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