How xylazine changes methamphetamine's effects

Xylazine effects on methamphetamine-induced behavioral alterations in rats

['FUNDING_R21'] · TEMPLE UNIV OF THE COMMONWEALTH · NIH-11321638

This work will find out whether xylazine makes methamphetamine's effects and dangers worse for people who use meth.

Quick facts

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorTEMPLE UNIV OF THE COMMONWEALTH (nih funded)
Locations1 site (PHILADELPHIA, UNITED STATES)
Trial IDNIH-11321638 on ClinicalTrials.gov

What this research studies

Scientists will use laboratory rats to model situations where methamphetamine is contaminated with xylazine and observe how the combination changes behavior. They will track activity levels, drug-taking behavior (self-administration), and related brain changes to understand how xylazine modifies meth's effects. Different doses and timing of the two drugs will be tested to identify which combinations increase risk or change drug-driven behaviors. The goal is to generate information that can guide public health warnings and harm-reduction efforts about xylazine-adulterated meth.

Who could benefit from this research

Good fit: People who currently use methamphetamine or who may be exposed to xylazine-adulterated meth would be the most relevant group for findings from this research.

Not a fit: People who do not use methamphetamine or whose drug exposures only involve other substances are less likely to see direct benefits from these specific results.

Why it matters

Potential benefit: If successful, this work could help health officials, clinicians, and harm-reduction groups better warn and protect people from the added risks of xylazine-tainted methamphetamine.

How similar studies have performed: This is largely new work: there are almost no preclinical studies on xylazine with methamphetamine, with only limited older animal data on related amphetamines, so the approach is relatively untested.

Where this research is happening

PHILADELPHIA, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.