Story perspectives

New Opioid DFNZ Offers Pain Relief Without Addiction Risks

4/7/2026

Summary

Story summary

National Institutes of Health (NIH) researchers have identified a new opioid compound, DFNZ, offering pain relief without traditional opioid addiction risks.
In laboratory animal studies, DFNZ provided effective pain relief without respiratory depression or tolerance.
Unlike other opioids, animals quickly stopped seeking DFNZ when replaced with saline, indicating lower addiction potential.
Further preclinical studies are planned to support human trials.

1 of 1

Story summary

National Institutes of Health (NIH) researchers have identified a new opioid compound, DFNZ, offering pain relief without traditional opioid addiction risks.
In laboratory animal studies, DFNZ provided effective pain relief without respiratory depression or tolerance.
Unlike other opioids, animals quickly stopped seeking DFNZ when replaced with saline, indicating lower addiction potential.
Further preclinical studies are planned to support human trials.