![NIH:NIDA](https://ifp.nyu.edu/wp-content/uploads/2024/05/1-76.jpg)
NIH:NIDA
Starting people with opioid use disorder on extended-release, injectable naltrexone (XR-naltrexone) within five to seven days of seeking treatment is more effective than the standard treatment method of starting within 10-15 days, but requires closer medical supervision, according to results from a clinical trial supported by the National Institutes of Health’s (NIH) National Institute on Drug Abuse (NIDA)