Transient Depressive Relapse Induced by Catecholamine Depletion: Potential Phenotypic Vulnerability Marker?
Berman RM, Narasimhan M, Miller HL, Anand A, Cappiello A, Oren DA, Heninger GR, Charney DS. Transient Depressive Relapse Induced by Catecholamine Depletion: Potential Phenotypic Vulnerability Marker? JAMA Psychiatry 1999, 56: 395-403. PMID: 10232292, DOI: 10.1001/archpsyc.56.5.395.Peer-Reviewed Original ResearchConceptsCatecholamine depletionMedication-free subjectsMajor depressionHamilton Depression Rating Scale scoresDepression Rating Scale scoresBaseline plasma cortisol levelsDepressive reactionsSignificant depressive symptomsRating Scale scoresHistory of depressionState-related alterationsPlasma cortisol levelsCatecholamine functionAlpha-methylparatyrosineRelapse criteriaBlood samplesDepressive symptomsCortisol levelsCrossover designScale scoreDepressed subjectsReliable markerTransient increaseVulnerability markerAnxiety symptomsEffect of catecholamine depletion on lithium-induced long-term remission of bipolar disorder
Anand A, Darnell A, Miller H, Berman R, Cappiello A, Oren D, Woods S, Charney D. Effect of catecholamine depletion on lithium-induced long-term remission of bipolar disorder. Biological Psychiatry 1999, 45: 972-978. PMID: 10386179, DOI: 10.1016/s0006-3223(98)00293-5.Peer-Reviewed Original ResearchConceptsLong-term remissionBipolar disorderCatecholamine depletionLithium therapyHypomanic symptomsLong-term lithium therapyRandomized double-blind mannerDSM-IV bipolar disorderDouble-blind mannerMechanism of preventionTransient relapseManic relapsePlacebo administrationSerum levelsCatecholamine systemsHomovanillic acidRemissionRelapseDisordersTherapyTest sessionsSymptomsSubjectsSignificant changesMood indices