Scientists use brain scans and phones to decode addiction

NCT ID NCT02334956

Completed Knowledge-focused Sponsor: University Hospital, Bordeaux Source: ClinicalTrials.gov ↗

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

Summary

This study combined brain imaging with real-world data from mobile devices to explore how addiction affects the brain. Researchers scanned the brains of 107 people with alcohol, cannabis, or nicotine dependence, along with healthy controls. They also tracked cravings and daily functioning using mobile technology. The goal was to better understand the brain processes behind addiction, not to test a new treatment.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this could help researchers better understand how addiction works in the brain, potentially pointing toward new ways to predict or manage cravings.
What could go wrong: This is an observational study, not a treatment trial. It is small and early-stage, so findings may not apply to everyone or lead directly to new therapies.

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

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Conditions

The condition(s) this trial relates to.

alcohol dependence Behavior, Addictive cannabis dependence nicotine dependence

As listed by the trial registrant

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

ADDICTION

Contacts and locations

Locations

CHU de Bordeaux

Bordeaux, 33000, France
Hôpital Charles Perrens

Bordeaux, 33076, France

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