Naloxone Challenge in Smokers: Preliminary Evidence of an Opioid Component in Nicotine Dependence
Krishnan-Sarin S, Rosen M, O'Malley S. Naloxone Challenge in Smokers: Preliminary Evidence of an Opioid Component in Nicotine Dependence. JAMA Psychiatry 1999, 56: 663-668. PMID: 10401515, DOI: 10.1001/archpsyc.56.7.663.Peer-Reviewed Original ResearchConceptsEndogenous opioid systemOpioid systemNicotine dependenceOpiate-like withdrawalNicotine-dependent individualsDose-dependent increaseNicotine-dependent subjectsPreliminary evidenceOpioid componentAdrenal axisNaloxone challengeWithdrawal signsCortisol releaseNeuroendocrine parametersNicotine cravingCigarette smokeLong-term exposureCortisol levelsBaseline levelsLow dosesSubjective signsNaloxoneSmokersChallenge proceduresSymptoms