While opioids are a widely used treatment for pain, patients who take them on a regular basis can become tolerant, requiring a higher dose for continued pain relief. In a study published in Anesthesiology, the official medical journal of the American Society of Anesthesiologists® (ASA®), researchers identified a compound that appears to play a role in the development of opioid tolerance. It may be possible to lessen the development of opioid tolerance if that compound is neutralized or blocked in patients taking opioids chronically for severe pain.
"Opioid tolerance is a growing problem among chronic pain patients and cancer patients in particular," said Chih-Peng Lin, M.D., assistant professor, Department of Anesthesiology, National Taiwan University College of Medicine. "We found that CXCL1, a protein produced by spinal cord tissue, contributes to opioid tolerance. By neutralizing CXCL1 in patients, we might help solve the problem of opioid tolerance."
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