Addictive Behaviors, Phase II

Change 4 Better (C4B)

Volunteers
Health Professionals

What is the purpose of this trial?

This is a 6-month randomized clinical trial with 128 individuals with gambling disorder to evaluate the feasibility and efficacy of a cognitive behavioral therapy-based mobile app (Change4Better; C4B), as an adjunct to treatment as usual (TAU) in community-based outpatient treatment programs that are part of the Bettor Choice Network.

Find out more about who can participate in this trial

Contact Information

For more information about this study, including how to volunteer, contact Liz Doohan

Help Us Discover!

You can help our team find trials you might be eligible for by creating a volunteer profile in MyChart. To get started, create a volunteer profile, or contact helpusdiscover@yale.edu, or call 877.978.8343 for more information.

Create a volunteer profile

Principal Investigator

Brian D. Kiluk, PhD
Associate Professor of Psychiatry; Director, Psychotherapy Development Center; Director, Technology-Based Interventions

Sub-Investigator

Marc Potenza, PhD, MD

Last Updated
08/07/2026
Study IRB
#2000039709