Using etimizol to counteract respiratory issues caused by xylazine and fentanyl

Etimizol for reversal of Xylazine-fentanyl respiratory depression

NIH-funded research Synventa, LLC · NIH-11036055

This study is looking at whether etimizol can help people who have trouble breathing because of xylazine and fentanyl use, offering a new treatment option for those affected by these substances.

Quick facts

Grant typeSbir 1 grant
Study typeNIH-funded research
Funding institutionSynventa, LLC NIH-funded
Lab location1 site (Tucson, United States)
Project IDNIH-11036055 on NIH RePORTER

What this research studies

This research investigates the potential of etimizol, a respiratory stimulant, to reverse the respiratory depression caused by xylazine, especially when used in combination with fentanyl. Patients who experience xylazine intoxication often suffer from severe central nervous system depression and respiratory issues, and current treatments like naloxone do not address these effects. The study aims to evaluate etimizol's effectiveness in laboratory models, with the hope of introducing a new treatment option for affected patients. By exploring a drug that has been previously overlooked, the research seeks to provide a solution to a growing public health crisis.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals who have experienced xylazine intoxication or are at risk of respiratory depression due to the use of xylazine and fentanyl.

Not a fit: Patients who do not use xylazine or fentanyl, or those with respiratory depression caused by other non-opioid substances, may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to a new treatment for reversing life-threatening respiratory depression in patients exposed to xylazine and fentanyl.

How similar studies have performed: Previous studies have shown that etimizol can reverse respiratory depression in animal models, indicating potential for success in this novel application.

Where this research is happening

Tucson, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.