Could a tiny implant curb alcohol cravings? new trial tests Long-Acting naltrexone

NCT ID NCT07333638

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

Summary

This Phase 2 trial tested whether a naltrexone implant, placed under the skin, can help people with alcohol use disorder drink less heavily. 210 adults received either a low-dose, high-dose, or placebo implant, plus counseling. Researchers tracked heavy drinking days over 24 weeks and monitored safety for 48 weeks.

What this could mean

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

Active substance
naltrexone implant
What this could lead to
If successful, this could provide a long-acting treatment option to help people with alcohol use disorder reduce heavy drinking.
What could go wrong
This is a Phase 2 trial with a moderate number of participants, so results may not confirm effectiveness or safety. The implant requires a minor surgical procedure, which carries infection or discomfort risks.

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.

As listed by the trial registrant

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

Contacts and locations

Locations

  • The Second Xiangya Hospital of Central South University Address: No. 139, Renmin Road Central, Changsha City

    Changsha, Hunan, 410011, China

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