The study published in Anesthesiology found that while naloxone can be lifesaving, a single dose may not always completely reverse respiratory depression caused by powerful synthetic opioids like fentanyl and sufentanil. The research has been featured in U.S. News & World Report, Science Magazine, Men's Journal and WGN-TV (Chicago), among other outlets. “We hope these findings encourage institutions to update guidelines and reinforce the importance of fast emergency intervention,” said study lead author Maarten A. van Lemmen, Ph.D.
Date of last update: April 20, 2026