2002
Yohimbine-induced withdrawal and anxiety symptoms in opioid-dependent patients
Stine SM, Southwick SM, Petrakis IL, Kosten TR, Charney DS, Krystal JH. Yohimbine-induced withdrawal and anxiety symptoms in opioid-dependent patients. Biological Psychiatry 2002, 51: 642-651. PMID: 11955464, DOI: 10.1016/s0006-3223(01)01292-6.Peer-Reviewed Original ResearchConceptsOpioid-dependent patientsBlood pressureMethadone patientsOpioid dependenceHPA axis perturbationsPlacebo-controlled studyDiastolic blood pressureSystolic blood pressureMethadone-maintained patientsSymptom scale scoresSynaptic noradrenalineOpioid withdrawalPostsynaptic effectsMHPG levelsAbstinence symptomsAdrenal axisOpioid drugsYohimbine effectNoradrenergic regulationHealthy volunteersHeart ratePhysiologic measuresPatientsCortisol levelsScale score
2001
Methadone patients exhibit increased startle and cortisol response after intravenous yohimbine
Stine S, Grillon C, Morgan III C, Kosten T, Charney D, Krystal J. Methadone patients exhibit increased startle and cortisol response after intravenous yohimbine. Psychopharmacology 2001, 154: 274-281. PMID: 11351934, DOI: 10.1007/s002130000644.Peer-Reviewed Original ResearchConceptsMethadone-maintained patientsAcoustic startle responseCortisol levelsMethadone patientsMHPG levelsAnalysis of covarianceLower baseline plasma levelsStartle responseBaseline plasma cortisol levelsOpioid agonist maintenanceBrain noradrenergic systemCortisol serum levelsDouble-blind fashionBaseline plasma levelsMethadone-maintained subjectsWithdrawal-like symptomsPlasma cortisol levelsPrevious reportsIntravenous yohimbineMethadone effectsOpioid withdrawalSerum levelsNoradrenergic mechanismsOpioid dependenceYohimbine effect
1995
Opiate Dependence and Withdrawal: Preliminary Assessment Using Single Photon Emission Computerized Tomography (SPECT)
Krystal J, Woods S, Kosten T, Rosen M, Seibyl J, Van Dyck C, Price L, Zubal I, Hoffer P, Charney D. Opiate Dependence and Withdrawal: Preliminary Assessment Using Single Photon Emission Computerized Tomography (SPECT). The American Journal Of Drug And Alcohol Abuse 1995, 21: 47-63. PMID: 7762544, DOI: 10.3109/00952999509095229.Peer-Reviewed Original ResearchConceptsRegional brain functionOpiate withdrawal signsSingle Photon Emission Computerized TomographyHealthy subjectsNaloxone administrationOpiate withdrawalOpiate dependenceBrain functionParietal cortexHexamethylpropyleneamine oximeWithdrawal signsNaloxone effectChronic opiate dependencePlacebo-controlled studyRegional alterationsComparison of patientsMethadone-maintained patientsRegional cerebral perfusionPhoton Emission Computerized TomographyOpiate-dependent patientsRight temporal cortexRight parietal cortexFunctional brain imaging technologiesSingle photon emissionEmission computerized tomography