Research Topics
Genomes and GenesSpecies | R T MulderSummaryAffiliation: Christchurch School of Medicine and Health Sciences Country: New Zealand Publications
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Publications
Alcoholism and personalityRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, PO Box 4345, Christchurch, New Zealand
Aust N Z J Psychiatry 36:44-52. 2002..The search for an alcoholic personality has been pursued with varying enthusiasm throughout the 20th century. This paper reviews the methodological issues, research designs and current theories relating alcoholism and personality...
Personality pathology and treatment outcome in major depression: a reviewRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, New Zealand
Am J Psychiatry 159:359-71. 2002..This presents potentially significant treatment implications, since personality pathology in depressed patients appears to be common...
Relationship of temperament and behaviour measures to the prolactin response to fenfluramine in depressed menRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, P O Box 4345, Christchurch, New Zealand
Psychiatry Res 109:221-8. 2002..We suggest that alterations in serotonin functioning, when measured using the prolactin response to fenfluramine, may be more commonly linked to behavioural abnormalities in personality-disordered or criminal samples...
The relationship of personality disorders to treatment outcome in depressed outpatientsRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, Christchurch, New Zealand
J Clin Psychiatry 64:259-64. 2003..Personality disorders appear to be common among patients with depression, suggesting potentially significant treatment implications for a large group of patients...
Interferon treatment is not associated with a worsening of psychiatric symptoms in patients with hepatitis CR T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, New Zealand
J Gastroenterol Hepatol 15:300-3. 2000..To study prospectively the psychiatric side effects of interferon-alpha in patients with hepatitis C...
Randomized controlled trials in psychiatry. Part II: their relationship to clinical practiceRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, PO Box 4345, Christchurch, New Zealand
Aust N Z J Psychiatry 37:265-9. 2003..To discuss the extent to which the results of randomized controlled trials (RCTs) in psychiatry can be generalized to clinical practice...
Six months of treatment for depression: outcome and predictors of the course of illnessRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine and Health Science, P O Box 4345, Christchurch, New Zealand
Am J Psychiatry 163:95-100. 2006..The goals of this study were to determine the course of illness in a cohort of depressed patients undergoing treatment for 6 months and whether there are clinically useful predictors of their course of illness...
Relationships among measures of treatment outcome in depressed patientsRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, PO Box 4345, Christchurch, New Zealand
J Affect Disord 76:127-35. 2003..Studies attempting to identify predictors of antidepressant response in patients with major depression have reported inconsistent results. One explanation may be the different definitions of outcome used...
Age may affect response to antidepressants with serotonergic and noradrenergic actionsRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, PO Box 4345, Christchurch, New Zealand
J Affect Disord 76:143-9. 2003..There is some consensus that noradrenergic drugs are ineffective in adolescent depression. The aim of this study was to see whether this poor response extended to young adults...
Depression and personality disorderRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, PO Box 4345, Christchurch, New Zealand
Curr Psychiatry Rep 6:51-7. 2004..Many personality traits and disorders may be part of the psychopathology of depression and share a common origin...
Measures of temperament and character are differentially impacted on by depression severityJ K Spittlehouse
Department of Psychological Medicine, University of Otago, Christchurch, Christchurch, New Zealand
J Affect Disord 126:140-6. 2010..We examined how the seven TCI scales and their subscales are correlated with depression severity before and after treatment. We also examined whether changes in personality measures could be attributed to changes in depression severity...
Prevalence and comorbidity of mental disorders in persons making serious suicide attempts: a case-control studyA L Beautrais
Department of Psychological Medicine, Christchurch School of Medicine, New Zealand
Am J Psychiatry 153:1009-14. 1996..The aim of this study was to compare the prevalence and comorbidity patterns of psychiatric disorders in subjects making medically serious suicide attempts and in comparison subjects...
Comparison between noradrenergic and serotonergic medications using the social adjustment scale: is drive enhancement necessary for recovery of social functioning?S E Luty
Department of Psychological Medicine, Christchurch School of Medicine, New Zealand
J Psychopharmacol 15:257-64. 2001..These results do not support the concept of specific augmentation of drive-related behaviour by noradrenergic medication. This challenges the earlier findings relating to drive enhancement and social adjustment using such medication...
Gender differences in the presentation of depressed outpatients: a comparison of descriptive variablesJ D Carter
Department of Psychological Medicine, Christchurch School of Medicine, P O Box 4345, Christchurch, New Zealand
J Affect Disord 61:59-67. 2000..Gender differences in the clinical manifestation of depression and related variables were examined in 170 depressed outpatients...
Gender differences in the frequency of personality disorders in depressed outpatientsJ D Carter
Department of Psychological Medicine, Christchurch School of Medicine, New Zealand
J Pers Disord 13:67-74. 1999....
Antidepressant treatment is associated with a reduction in suicidal ideation and suicide attemptsR T Mulder
Department of Psychological Medicine, University of Otago, Christchurch, New Zealand
Acta Psychiatr Scand 118:116-22. 2008..To measure changes in suicidal behaviours during 6 months of treatment with antidepressants...
A differential response to nortriptyline and fluoxetine in melancholic depression: the importance of age and genderP R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, PO Box 4345, Christchurch, New Zealand
Acta Psychiatr Scand 108:20-3. 2003..To consider the impact of age and gender on the antidepressant response to nortriptyline and fluoxetine in melancholic depression...
The contribution of temperament, childhood neglect, and abuse to the development of personality dysfunction: a comparison of three modelsJ D Carter
Department of Psychological Medicine, Christchurch School of Medicine, P.O. Box 4345, Christchurch, New Zealand
J Pers Disord 15:123-35. 2001..Childhood sexual abuse was not as predictive of personality dysfunction as might be expected, thereby raising questions as to the importance placed on child sexual abuse as a general risk factor for personality psychopathology...
Psychiatric contacts among youths aged 13 through 24 years who have made serious suicide attemptsA L Beautrais
Canterbury Suicide Project, Christchurch School of Medicine, New Zealand
J Am Acad Child Adolesc Psychiatry 37:504-11. 1998..To compare the history of psychiatric contacts among young people who have made medically serious suicide attempts and control subjects...
Precipitating factors and life events in serious suicide attempts among youths aged 13 through 24 yearsA L Beautrais
Canterbury Suicide Project, Christchurch School of Medicine, New Zealand
J Am Acad Child Adolesc Psychiatry 36:1543-51. 1997..Precipitating factors and life events associated with medically serious suicide attempts were examined in young people making serious suicide attempts and control subjects...
Youth suicide attempts: a social and demographic profileA L Beautrais
Christchurch School of Medicine, New Zealand
Aust N Z J Psychiatry 32:349-57. 1998..The social and demographic characteristics of a New Zealand sample of young people making medically serious suicide attempts were examined and compared with those of a control sample of similar age...
Cannabis abuse and serious suicide attemptsA L Beautrais
Department of Psychological Medicine, Christchurch School of Medicine, New Zealand
Addiction 94:1155-64. 1999..To compare the relationship between cannabis abuse/dependence and risk of medically serious suicide attempts in individuals making serious suicide attempts and randomly selected comparison subjects...
A common P-glycoprotein polymorphism is associated with nortriptyline-induced postural hypotension in patients treated for major depressionR L Roberts
Department of Pathology, Christchurch School of Medicine, Christchurch, New Zealand
Pharmacogenomics J 2:191-6. 2002..78, df = 2, P = 0.034). Our results suggest that homozygosity for 3435T alleles of ABCB1 is a risk factor for occurrence of nortriptyline-induced postural hypotension (OR = 1.37, P = 0.042, 95% CI 1.01-1.86)...
Personality traits and cognitive styles as risk factors for serious suicide attempts among young peopleA L Beautrais
Christchurch School of Medicine, New Zealand
Suicide Life Threat Behav 29:37-47. 1999..Nonsignificant findings were explained by the presence of substantial correlations between these measures and measures of hopelessness, neuroticism, and external locus of control...
Anxiety and self-management behaviour in chronic obstructive pulmonary disease: what has been learned?C A Dowson
Canterbury Respiratory Research Group, University of Otago, Otago, New Zealand
Chron Respir Dis 1:213-20. 2004..Finally this paper examines the relationship between anxiety and COPD self-management with particular reference to the benefits and possible harm of some COPD self-management goals and anxious patients...
Infants in a neonatal intensive care unit: parental responseJ D Carter
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, PO Box 4345, Christchurch, New Zealand
Arch Dis Child Fetal Neonatal Ed 90:F109-13. 2005..To compare the psychosocial functioning of the parents (mother and father) of infants admitted to a neonatal intensive care unit (NICU) with the parents of infants born at term and not admitted to the NICU...
Outcomes for 236 patients from a 2-year early intervention in psychosis serviceM A Turner
Totara House Early Intervention for Psychosis Service, Canterbury District Health Board, Christchurch, New Zealand
Acta Psychiatr Scand 120:129-37. 2009..To examine: i) changes in key outcome measures over time in treatment in a representative first-episode psychosis treatment cohort and ii) baseline predictors of service disengagement...
Normal opioid tone and hypothalamic-pituitary-adrenal axis function in chronic fatigue syndrome despite marked functional impairmentWarrick J Inder
Department of Endocrinology, Christchurch Hospital, and Department of Psychological Medicine, Christchurch School of Medicine, Christchurch, New Zealand
Clin Endocrinol (Oxf) 62:343-8. 2005..To determine whether the functional impairment seen in chronic fatigue syndrome (CFS) is associated with reduced levels of central opioids and/or deficiency of the hypothalamic-pituitary-adrenal (HPA) axis...
Reversed diurnal variation in depression: associations with a differential antidepressant response, tryptophan: large neutral amino acid ratio and serotonin transporter polymorphismsPeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand
Psychol Med 35:511-7. 2005..Although diurnal variation of mood is a widely recognized symptom of depression, the clinical, neurobiological and psychopharmacological significance of this symptom has not previously been reported...
Tryptophan and tyrosine availability and response to antidepressant treatment in major depressionRichard J Porter
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, P O Box 4345, Christchurch, New Zealand
J Affect Disord 86:129-34. 2005....
Genetic, developmental and personality correlates of self-mutilation in depressed patientsPeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, New Zealand
Aust N Z J Psychiatry 40:225-9. 2006..To examine whether the T allele of G protein beta3 (GNbeta3) is associated with self-mutilation in depressed patients...
What is worse for your sex life: starving, being depressed, or a new baby?Frances A Carter
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, University of Otago, Christchurch, New Zealand
Int J Eat Disord 40:664-7. 2007..To compare the current sexual functioning of women in an intimate relationship with anorexia nervosa, with major depression, and in the postpartum period...
An epidemic of depression or the medicalization of distress?Roger T Mulder
Department of Psychological Medicine, University of Otago, Christchurch, Christchurch Mail Centre, Christchurch, New Zealand
Perspect Biol Med 51:238-50. 2008....
Plasma oxytocin levels in depression and their correlation with the temperament dimension of reward dependenceCaroline J Bell
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand
J Psychopharmacol 20:656-60. 2006..This suggested that 17% of the variance in plasma oxytocin levels was explained by the Reward Dependence scores. There was a significant positive correlation between plasma oxytocin levels and the Reward Dependence personality dimension...
Personality and depression: a commentaryRoger T Mulder
Can J Psychiatry 53:3-5. 2008
Cesarean section and postpartum depression: a review of the evidence examining the linkFrances A Carter
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, University of Otago, Christchurch, New Zealand
Psychosom Med 68:321-30. 2006..The objective of this study was to examine the evidence for an association between cesarean section and postpartum depression...
Tryptophan hydroxylase gene (TPH1) and peripheral tryptophan levels in depressionRichard J Porter
Department of Psychological Medicine, University of Otago, Christchurch, Christchurch, New Zealand
J Affect Disord 109:209-12. 2008..Evidence suggests that hypothalamic and peripheral 5HT systems have a significant role in appetite regulation, possibly a homeostatic mechanism in regulating peripheral TRP levels...
Specific and nonspecific comorbidity in anorexia nervosaJennifer Jordan
Department of Psychological Medicine, University of Otago, Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand
Int J Eat Disord 41:47-56. 2008....
Preliminary evidence for an association between a dopamine D3 receptor gene variant and obsessive-compulsive personality disorder in patients with major depressionKatrina J Light
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand
Am J Med Genet B Neuropsychiatr Genet 141:409-13. 2006..We conclude that DRD3 may contribute to the development of OCPD...
A dopamine transporter polymorphism is a risk factor for borderline personality disorder in depressed patientsPeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand
Psychol Med 36:807-13. 2006..We were interested in differences in genetic and developmental risk factors between depressed patients with or without a co-morbid BPD...
Temperament, character and personality disorders as predictors of response to interpersonal psychotherapy and cognitive-behavioural therapy for depressionPeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, PO Box 4345, Christchurch, New Zealand
Br J Psychiatry 190:503-8. 2007..Interpersonal psychotherapy and cognitive-behavioural therapy are widely accepted as effective treatments for major depression. There is little evidence on how personality disorder or personality traits affect treatment response...
Randomised controlled trial of interpersonal psychotherapy and cognitive-behavioural therapy for depressionSuzanne E Luty
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, PO Box 4345, Christchurch, New Zealand
Br J Psychiatry 190:496-502. 2007..Interpersonal psychotherapy and cognitive-behavioural therapy (CBT) are established as effective treatments for major depression. Controversy remains regarding their effectiveness for severe and melancholic depression...
The impact on students of adverse experiences during medical schoolTim J Wilkinson
Christchurch School of Medicine and Health Sciences, University of Otago, New Zealand
Med Teach 28:129-35. 2006..Humiliation is the experience that affected students the most and had a significant adverse effect on learning. There is a disturbing rate of unacceptable practice within medical schools, not all of which is from doctors...
Effects of childhood experiences on cortisol levels in depressed adultsPeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, PO Box 4345, Christchurch, New Zealand
Aust N Z J Psychiatry 41:62-5. 2007..To evaluate the impact of childhood abuse and parental bonding on cortisol levels in depressed adults...
Bipolar II disorder: personality and outcome in two clinical samplesPeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand
Aust N Z J Psychiatry 38:433-8. 2004..To compare the personality traits and disorders of patients with bipolar II disorder and major depression and to examine the impact on treatment outcome of a bipolar II diagnosis...
Borderline personality disorder in major depression: symptomatology, temperament, character, differential drug response, and 6-month outcomePeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine, Christchurch, New Zealand
Compr Psychiatry 44:35-43. 2003..After 6 months, those with BPD had a favorable outcome in regard to depressive symptoms, social adjustment, and even improvement in the character measure of self-directedness. Those with the poorest outcome were those with OPD...
Baseline prolactin and L-tryptophan availability predict response to antidepressant treatment in major depressionRichard J Porter
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, P O Box 4345, Christchurch, New Zealand
Psychopharmacology (Berl) 165:216-21. 2003..It has been suggested that the PRF may predict response to different forms of treatment. Baseline cortisol, prolactin, and L-tryptophan ( L-TRP) availability may affect PRF and may also influence response to treatment...
The interpersonal sensitivity measure in depression: associations with temperament and characterSuzanne E Luty
Department of Psychological Medicine, Christchurch School of Medicine, PO Box 4345, Christchurch, New Zealand
J Affect Disord 70:307-12. 2002..An additional objective is to examine the differences between levels of interpersonal sensitivity in depressive subtypes...
The effect of a history of alcohol dependence in adult major depressionAlma M Rae
Department of Psychological Medicine, University of Otago, Christchurch School of Medicine, P O Box 4345, Christchurch, New Zealand
J Affect Disord 70:281-90. 2002..PBI scores and family histories did not differ significantly. Treatment outcome did not vary, except that subjects with lifetime alcohol dependence and current heavy drinking did less well...
Social adjustment in depression: the impact of depression severity, personality, and clinic versus community samplingSuzanne E Luty
Department of Psychological Medicine, Christchurch School of Medicine, PO Box 4345, Christchurch, New Zealand
J Affect Disord 70:143-54. 2002..Previous research has not examined how social adjustment in depression varies by source of sample (clinical vs. community) or the associations with personality...
PHARMAC and availability of pharmaceuticalsRichard Porter
N Z Med J 115:274; author reply 274-5. 2002
Patterns and predictors of remission, response and recovery in major depression treated with fluoxetine or nortriptylinePeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, New Zealand
Aust N Z J Psychiatry 36:384-91. 2002..The second objective was to report on the demographic and diagnostic predictors of the response and recovery in these depressed patients...
Melancholia: definitions, risk factors, personality, neuroendocrine markers and differential antidepressant responsePeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, New Zealand
Aust N Z J Psychiatry 36:376-83. 2002....
Inadequate availability of pharmacological treatment for affective disorders in New ZealandRichard J Porter
Department of Psychological Medicine, Christchurch School of Medicine
N Z Med J 115:78-81. 2002..The current system is failing to provide appropriate or adequate treatment for people suffering from affective disorders and should be urgently reviewed...
The prolactin response to fenfluramine in depression: effects of melancholia and baseline cortisolRoger T Mulder
Department of Psychological Medicine, Christchurch School of Medicine, Christchurch, New Zealand
J Psychopharmacol 17:97-102. 2003..However, the relationship between prolactin response to fenfluramine and baseline cortisol levels appeared to differ between these two subtypes of depression...
Randomized controlled trials in psychiatry. Part 1: methodology and critical evaluationRichard Porter
Department of Psychological Medicine, Christchurch School of Medicine, PO Box 4345, Christchurch 8001, New Zealand
Aust N Z J Psychiatry 37:257-64. 2003..To introduce clinicians to the methodology and critical appraisal of randomized controlled trials (RCTs) in psychiatry...
Polymorphisms of DRD4 and DRD3 and risk of avoidant and obsessive personality traits and disordersPeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, P O Box 4345, Christchurch, New Zealand
Psychiatry Res 119:1-10. 2003..Our results suggest that genetic polymorphisms of DRD4 and DRD3 may well be associated with personality traits, and that conflicting findings to date may arise from the problem of phenotype definition...
Atypical depression, atypical temperament and a differential antidepressant response to fluoxetine and nortriptylinePeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand
Depress Anxiety 19:180-6. 2004..A temperament derived measure of "rejection sensitivity" defines a group of depressed patients with a differential antidepressant response, regardless of reversed vegetative symptoms...
Association between cytochrome P450 2D6 genotype and harm avoidanceRebecca L Roberts
Department of Pathology, Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand
Am J Med Genet B Neuropsychiatr Genet 127:90-3. 2004..Our findings suggest that the CYP2D6 polymorphism may impact on personality, and one potential mechanism for this would be by influencing the generation of endogenous neurotransmitters in the brain...
Psychopathology and illness beliefs influence COPD self-managementClaire A Dowson
Canterbury Respiratory Research Group, Hagley Building, Christchurch Hospital, Private Bag 4710, Christchurch, New Zealand
J Psychosom Res 56:333-40. 2004..To explore the influence of psychological characteristics in Chronic Obstructive Pulmonary Disease (COPD) self-management...
Thyroid indices and response to fluoxetine and nortriptyline in major depressionKelly A Gendall
University Department of Psychological Medicine, Christchurch School of Medicine, Christchurch, New Zealand
J Psychopharmacol 17:431-7. 2003..Patients with blunted deltamaxTSH responded better to fluoxetine than to nortriptyline. It is suggested that a blunted DmaxTSH may reflect a predominantly serotonergic disturbance in this group of patients with major depression...
No evidence of increased adverse drug reactions in cytochrome P450 CYP2D6 poor metabolizers treated with fluoxetine or nortriptylineRebecca L Roberts
Department of Pathology, Christchurch School of Medicine and Health Sciences, University of Otago, PO Box 4345, Christchurch, New Zealand
Hum Psychopharmacol 19:17-23. 2004..Thus, for clinicians prescribing antidepressant monotherapy, CYP2D6 polymorphisms are probably not of relevance to antidepressant side effects and therapy...
Temperament, childhood environment and psychopathology as risk factors for avoidant and borderline personality disordersPeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, New Zealand
Aust N Z J Psychiatry 37:756-64. 2003..To evaluate childhood experiences (neglect and abuse), temperament and childhood and adolescent psychopathology as risk factors for avoidant and borderline personality disorders in depressed outpatients...
Age-dependent antidepressant pharmacogenomics: polymorphisms of the serotonin transporter and G protein beta3 subunit as predictors of response to fluoxetine and nortriptylinePeter R Joyce
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, P O Box 4345, Christchurch, New Zealand
Int J Neuropsychopharmacol 6:339-46. 2003..These differential pharmacogenetic predictors of antidepressant response by age, may provide clues to understanding the discontinuities in pharmacological responsiveness of child/adolescent and adult depressive disorders...
Anxiety and psychoactive substance use disorder comorbidity in anorexia nervosa or depressionJennifer Jordan
Department of Psychological Medicine, Christchurch School of Medicine and Health Sciences, University of Otago, Christchurch, New Zealand
Int J Eat Disord 34:211-9. 2003....
A polymorphism in the dopamine beta-hydroxylase gene is associated with "paranoid ideation" in patients with major depressionJordan G Wood
Department of Pathology, Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand
Biol Psychiatry 51:365-9. 2002..An exon 2 polymorphism (DBH*444 g/a) of the DbetaH gene (DBH) is significantly associated with both serum and cerebrospinal fluid levels of DbetaH...
Infants admitted to a neonatal intensive care unit: parental psychological status at 9 monthsJanet D Carter
Department of Psychology, University of Canterbury, Christchurch, New Zealand
Acta Paediatr 96:1286-9. 2007..The psychological status of the parent groups is compared and factors associated with status change are examined...
Depression and COPD: is smoking a link?Roger T Mulder
Chron Respir Dis 2:3. 2005
