New implant could replace monthly shots for opioid addiction

NCT ID NCT07064564

First seen Feb 05, 2026 · Last updated Apr 30, 2026 · Updated 13 times

Summary

This study tests an implant called iSTEP-N that releases naltrexone over many months to block opioids. It involves 33 healthy adults aged 18-55, comparing two implant doses to monthly Vivitrol injections. The goal is to see if the implant can provide steady medication levels and reduce the need for frequent shots.

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