Research Topics
| H Y MeltzerSummaryAffiliation: Vanderbilt University Country: USA Publications
| Collaborators
|
Detail Information
Publications
Neurocognitive effects of antipsychotic medications in patients with chronic schizophrenia in the CATIE TrialRichard S E Keefe
Department of Psychiatry, John Umstead Hospital, Duke University Medical Center, Durham, NC 27710, USA
Arch Gen Psychiatry 64:633-47. 2007..The relative effect of the second-generation (atypical) antipsychotic drugs and older agents on neurocognition has not been comprehensively determined...
Interpreting the efficacy findings in the CATIE study: what clinicians should knowHerbert Y Meltzer
Psychopharmacology Division, Vanderbilt University Medical Center, Nashville, TX 37215, USA
CNS Spectr 11:14-24. 2006..In particular, the use of a higher-than-usual peak dose of olanzapine may have led to the superior results achieved with it. Practical suggestions are given for choice of antipsychotic medication in patients with chronic schizophrenia...
Lurasidone in the treatment of schizophrenia: a randomized, double-blind, placebo- and olanzapine-controlled studyHerbert Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, Tenn, USA
Am J Psychiatry 168:957-67. 2011..The study was designed to evaluate the short-term efficacy and safety of lurasidone in the treatment of acute schizophrenia...
The role of serotonin receptors in the action of atypical antipsychotic drugsH Y Meltzer
Vanderbilt University School of Medicine, Department of Psychiatry, 1601 23rd Avenue South, Suite 306, Nashville, TN 37212, USA
Curr Opin Pharmacol 11:59-67. 2011..5-HT(2C) receptor antagonism appears to contribute to the weight gain produced by some atypical APDs and may also affect cognition and psychosis via its influence on cortical and limbic dopaminergic activity...
The role of serotonin in the NMDA receptor antagonist models of psychosis and cognitive impairmentHerbert Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, TN 37212, USA
Psychopharmacology (Berl) 213:289-305. 2011..g., phencyclidine (PCP), dizocilpine (MK-801), and ketamine, to stimulate locomotor activity (LA), and to impair novel object recognition (NOR)...
Pimavanserin, a serotonin(2A) receptor inverse agonist, for the treatment of parkinson's disease psychosisHerbert Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Psychiatric Hospital at Vanderbilt, Nashville, TN 37212, USA
Neuropsychopharmacology 35:881-92. 2010..Furthermore, these results support the hypothesis that attenuation of psychosis secondary to DA receptor stimulation in PDP may be achieved through selective 5-HT(2A) receptor antagonism...
AsenapineHerbert Y Meltzer
Herbert Y Meltzer is at Vanderbilt University School of Medicine, Nashville, Tennessee 32712, USA
Nat Rev Drug Discov 8:843-4. 2009..In August 2009, asenapine (Saphris; Schering-Plough) was approved by the US FDA for the acute treatment of schizophrenia and manic or mixed episodes associated with bipolar I disorder in adults...
Serotonin receptors: their key role in drugs to treat schizophreniaHerbert Y Meltzer
Department of Psychiatry, Division of Psychopharmacology, Vanderbilt University School of Medicine, Suite 306, 1601 23rd Avenue, Nashville, TN 37212, USA
Prog Neuropsychopharmacol Biol Psychiatry 27:1159-72. 2003..g., the D3 or D4 receptor, and drugs that are selective for them...
Association of Sult4A1 SNPs with psychopathology and cognition in patients with schizophrenia or schizoaffective disorderHerbert Y Meltzer
Department of Psychiatry, Vanderbilt University Medical Center, Nashville, TN 37212, United States
Schizophr Res 106:258-64. 2008....
What's atypical about atypical antipsychotic drugs?Herbert Y Meltzer
Psychiatric Hospital at Vanderbilt, 1601 23rd Avenue South, Nashville, TN 37212, USA
Curr Opin Pharmacol 4:53-7. 2004..Effects on neuronal survival and plasticity, together with decreased neurotoxicity, might also contribute to their clinical advantage over typical neuroleptic drugs...
Placebo-controlled evaluation of four novel compounds for the treatment of schizophrenia and schizoaffective disorderHerbert Y Meltzer
Psychiatric Hospital at Vanderbilt University, Nashville, TN, USA
Am J Psychiatry 161:975-84. 2004....
In vivo actions of atypical antipsychotic drug on serotonergic and dopaminergic systemsHerbert Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Psychiatric Hospital at Vanderbilt, Nashville, TN 37212, USA
Prog Brain Res 172:177-97. 2008..Other serotonergic actions, e.g. 5-HT(2C), 5-HT(6) and possibly 5-HT(7) antagonism, may also contribute to their efficacy or, in the case of 5-HT(2C) antagonism, side effects such as weight gain...
Does stimulation of 5-HT(1A) receptors improve cognition in schizophrenia?Herbert Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Vanderbilt Psychiatric Hospital, 1601 23rd Avenue South, Nashville, TN 37212, USA
Behav Brain Res 195:98-102. 2008..Further study is needed to determine the role of the 5-HT(1A) receptor to improve cognitive function in schizophrenia...
Efficacy and tolerability of oral paliperidone extended-release tablets in the treatment of acute schizophrenia: pooled data from three 6-week, placebo-controlled studiesHerbert Y Meltzer
Department of Psychiatry, Vanderbilt Medical Center, Nashville, TN, USA
J Clin Psychiatry 69:817-29. 2008..To evaluate the efficacy and safety of an extended-release (ER) formulation of paliperidone in patients with an acute episode of schizophrenia, in the dosage range of 3 to 15 mg daily...
Cognitive factors in schizophrenia: causes, impact, and treatmentHerbert Y Meltzer
Division of Psychopharmacology, Department of Psychiatry, Vanderbilt University Medical Center, Nashville, TN 37212 8645, USA
CNS Spectr 9:15-24. 2004..Verbal learning and executive function, in particular, have been found to be valid predictors of employment success independent of the degree of severity of positive symptoms...
A randomized, double-blind comparison of clozapine and high-dose olanzapine in treatment-resistant patients with schizophreniaHerbert Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, Tenn, USA
J Clin Psychiatry 69:274-85. 2008..There are conflicting data concerning the potential utility of olanzapine in treatment-resistant schizophrenia at doses beyond the 10- to 20-mg/day range that has proven to be effective for most nonrefractory patients with schizophrenia...
Focus on the metabolic consequences of long-term treatment with olanzapine, quetiapine and risperidone: are there differences?Herbert Y Meltzer
Vanderbilt University School of Medicine, USA
Int J Neuropsychopharmacol 8:153-6. 2005
A 12-month randomized, open-label study of the metabolic effects of olanzapine and risperidone in psychotic patients: influence of valproic acid augmentationHerbert Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
J Clin Psychiatry 72:1602-10. 2011..Longitudinal data comparing the metabolic effects of olanzapine and risperidone with or without valproic acid supplementation in schizophrenic and bipolar patients are lacking...
Suicide in schizophrenia, clozapine, and adoption of evidence-based medicineHerbert Y Meltzer
Vanderbilt University School of Medicine, Nashville, TN 37212, USA
J Clin Psychiatry 66:530-3. 2005
The effect of serotonin(1A) receptor agonism on antipsychotic drug-induced dopamine release in rat striatum and nucleus accumbensJ Ichikawa
The First Floor Laboratory, Psychopharmacology Division, Department of Psychiatry, Vanderbilt University School of Medicine, 1601 23rd Avenue South, Suite 306, The Psychiatric Hospital at Vanderbilt, Nashville, TN 37212, USA
Brain Res 858:252-63. 2000..The significance of these results for EPS and antipsychotic action is discussed...
Asenapine increases dopamine, norepinephrine, and acetylcholine efflux in the rat medial prefrontal cortex and hippocampusMei Huang
Department of Psychiatry, Division of Psychopharmacology, Vanderbilt University School of Medicine, Nashville, TN, USA
Neuropsychopharmacology 33:2934-45. 2008....
Atypical, but not typical, antipsychotic drugs increase cortical acetylcholine release without an effect in the nucleus accumbens or striatumJunji Ichikawa
Departments of Psychiatry and Pharmacology, The Psychiatric Hospital at Vanderbilt, Vanderbilt University School of Medicine, 1601 23rd Avenue South, Nashville, TN 37212, USA
Neuropsychopharmacology 26:325-39. 2002..g., early Alzheimer's disease, by enhancing cortical cholinergic transmission...
Effect of antipsychotic drugs on extracellular serotonin levels in rat medial prefrontal cortex and nucleus accumbensJ Ichikawa
Department of Psychiatry, Vanderbilt University School of Medicine, The Psychiatric Hospital at Vanderbilt, Nashville, TN 37212, USA
Eur J Pharmacol 351:163-71. 1998....
DOI, a 5-HT2A/2C receptor agonist, attenuates clozapine-induced cortical dopamine releaseJ Ichikawa
Division of Psychopharmacology, Departments of Psychiatry and Pharmacology, Vanderbilt University School of Medicine, Nashville, TN, USA
Brain Res 907:151-5. 2001..These results suggest that 5-HT2A receptor stimulation increases basal cortical dopamine release via 5-HT1A receptor stimulation, and inhibits clozapine-induced cortical dopamine release by diminishing 5-HT2A receptor blockade...
5-HT(2A) receptor antagonism potentiates haloperidol-induced dopamine release in rat medial prefrontal cortex and inhibits that in the nucleus accumbens in a dose-dependent mannerJean François Liégeois
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, TN 37212, USA
Brain Res 947:157-65. 2002....
SR46349-B, a 5-HT(2A/2C) receptor antagonist, potentiates haloperidol-induced dopamine release in rat medial prefrontal cortex and nucleus accumbensStefania Bonaccorso
Division of Psychopharmacology, Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, TN 37212, USA
Neuropsychopharmacology 27:430-41. 2002..These results suggest that 5-HT(2A/2C) antagonism may be more advantageous than selective 5-HT(2A) antagonism as an adjunct to D(2) antagonists to improve cognition and negative symptoms in schizophrenia...
The blunted plasma cortisol response to apomorphine and its relationship to treatment response in patients with schizophreniaH Y Meltzer
Department of Psychiatry, Vanderbilt University Medical Center, Nashville, TN 37212, USA
Neuropsychopharmacology 24:278-90. 2001..These results provide further evidence of dopaminergic dysfunction in SCH. Furthermore, the APO-stimulated cortisol response may be predictive of subsequent clinical response to antipsychotic drug treatment...
The InterSePT suicide scale for prediction of imminent suicidal behaviorsDavid W Ayer
Research Department at Centerstone, 1101 6th Avenue North, Nashville, TN 37208, United States
Psychiatry Res 161:87-96. 2008..These results indicate that the ISST and CDS may provide some additional information that can assist clinical decision making regarding suicidal risk in patients with schizophrenia or schizoaffective disorder...
The role of 5-HT1A receptors in phencyclidine (PCP)-induced novel object recognition (NOR) deficit in ratsM Horiguchi
Division of Psychopharmacology, Vanderbilt University Medical Center, Nashville, TN 37212, USA
Psychopharmacology (Berl) 221:205-15. 2012..Atypical antipsychotic drugs (APDs), many of which are direct or indirect serotonin (5-HT)(1A) agonists, and tandospirone, a 5-HT(1A) partial agonist, have been reported to improve cognition in schizophrenia...
R(+)-8-OH-DPAT, a serotonin(1A) receptor agonist, potentiated S(-)-sulpiride-induced dopamine release in rat medial prefrontal cortex and nucleus accumbens but not striatumJ Ichikawa
Department of Psychiatry, Psychopharmacology Division, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
J Pharmacol Exp Ther 291:1227-32. 1999..05 mg/kg s.c.), which alone had no effect on DA release. These results suggest that 5-HT(1A) receptor agonism facilitates DA release in mPFC and NAC but not STR in combination with D(2) receptor antagonism...
Lower plasma CC16, a natural anti-inflammatory protein, and increased plasma interleukin-1 receptor antagonist in schizophrenia: effects of antipsychotic drugsM Maes
Department of Psychiatry, Case Western Reserve University, Cleveland, OH, USA
Schizophr Res 21:39-50. 1996..e. CC16, and that the latter may constitute a trait market of schizophrenia; and that (ii) chronic treatment with atypical antipsychotic agents, i.e., risperidone, may normalize lower plasma CC16 and increase plasma sIL-2R...
Changes in cognitive functioning with risperidone and olanzapine treatment: a large-scale, double-blind, randomized studyPhilip D Harvey
Department of Psychiatry, Mt Sinai School of Medicine, Box 1229, New York, NY 10029, USA
Psychopharmacology (Berl) 169:404-11. 2003..The effects of risperidone and olanzapine on cognitive functioning in patients with schizophrenia were compared in a randomized, double-blind trial...
Augmentation by citalopram of risperidone-induced monoamine release in rat prefrontal cortexMei Huang
Division of Psychopharmacology, Departments of Psychiatry and Pharmacology, Vanderbilt University School of Medicine, Nashville, TN, USA
Psychopharmacology (Berl) 185:274-81. 2006..The contributions of 5-HT1A receptor stimulation and 5-HT2A and alpha2 adrenergic receptor antagonism to this augmentation are discussed...
Serotonin receptors as targets for drugs useful to treat psychosis and cognitive impairment in schizophreniaH Y Meltzer
Department of Psychiatry, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
Curr Pharm Biotechnol 13:1572-86. 2012....
Serotonin 5-HT2C agonists selectively inhibit morphine-induced dopamine efflux in the nucleus accumbensD L Willins
Department of Psychiatry, Case Western Reserve University, School of Medicine, Cleveland, OH 44106, USA
Brain Res 781:291-9. 1998..These results suggest that the activation of 5-HT2C receptors selectively inhibits morphine-induced DA release in the NAc in a manner which is independent of the inhibition of 5-HT neurons...
5-HT(1A) receptor dysfunction in female patients with schizophreniaM A Lee
Department of Psychiatry, School of Medicine, Vanderbilt University, Nashville, Tennessee 37212, USA
Biol Psychiatry 50:758-66. 2001....
The effect of ipsapirone and S(-)-pindolol on dopamine release in rat striatum and nucleus accumbensJ Ichikawa
Department of Psychiatry, Psychopharmacology Division, Vanderbilt University School of Medicine, Nashville, USA
Brain Res 842:445-51. 1999..The mechanism and clinical significance of these results for developing antipsychotic drugs is discussed...
RNA editing of the human serotonin 5-HT2C receptor. alterations in suicide and implications for serotonergic pharmacotherapyC M Niswender
Department of Pharmacology, Vanderbilt University, Nashville, TN 37232, USA
Neuropsychopharmacology 24:478-91. 2001..These findings suggest that alterations in RNA editing may contribute to or complicate therapy in certain psychiatric disorders...
Age at onset and gender of schizophrenic patients in relation to neuroleptic resistanceH Y Meltzer
Department of Psychiatry, Case Western Reserve University School of Medicine, Cleveland, USA
Am J Psychiatry 154:475-82. 1997..The authors compared age at onset in neuroleptic-resistant and -responsive schizophrenic patients to determine whether the gender difference in age at onset is related to response to neuroleptic treatment...
Effects of divalproex and atypical antipsychotic drugs on dopamine and acetylcholine efflux in rat hippocampus and prefrontal cortexMei Huang
Division of Psychopharmacology, Department of Psychiatry, Vanderbilt University School of Medicine, The Psychiatric Hospital at Vanderbilt, Nashville, TN 37212, USA
Brain Res 1099:44-55. 2006..The clinical significance of this potentiation for the beneficial clinical effects of this combination of agents and the differences between AMS in this regard warrants further study...
Hopelessness, neurocognitive function, and insight in schizophrenia: relationship to suicidal behaviorChan-Hyung Kim
Department of Psychiatry, Psychiatric Hospital at Vanderbilt, Vanderbilt University School of Medicine, 1601 23rd Avenue South, Suite 306, Nashville, TN 37212, USA
Schizophr Res 60:71-80. 2003....
A meta-analysis of neuropsychological change to clozapine, olanzapine, quetiapine, and risperidone in schizophreniaNeil D Woodward
Department of Psychology, Vanderbilt University, Nashville, TN 37203, USA
Int J Neuropsychopharmacol 8:457-72. 2005..Atypical antipsychotics produce a mild remediation of cognitive deficits in schizophrenia, and specific atypicals have differential effects within certain cognitive domains...
Reducing the risk for suicide in schizophrenia and affective disordersHerbert Y Meltzer
Division of Psychopharmacology, Psychiatric Hospital, Vanderbilt University Medical Center, Nashville, Tenn, USA
J Clin Psychiatry 64:1122-9. 2003
Reduced levels of norepinephrine transporters in the locus coeruleus in major depressionV Klimek
Department of Psychiatry, University of Mississippi Medical Center, Jackson, Mississippi 39216 4505, USA
J Neurosci 17:8451-8. 1997....
Relationship between dopaminergic and serotonergic neuronal activity in the frontal cortex and the action of typical and atypical antipsychotic drugsJ Ichikawa
Department of Psychiatry, Vanderbilt University School of Medicine, Psychiatric Hospital at Vanderbilt, Nashville, TN 37212, USA
Eur Arch Psychiatry Clin Neurosci 249:90-8. 1999..The mechanism of action of these drugs is a matter of keen interest. We review here the evidence that some, or all, of these advantages are related to their actions at serotonin and dopamine receptors...
Attenuation of phencyclidine-induced object recognition deficits by the combination of atypical antipsychotic drugs and pimavanserin (ACP 103), a 5-hydroxytryptamine(2A) receptor inverse agonistS Snigdha
Division of Psychopharmacology, Vanderbilt Psychiatric Hospital, Nashville TN 37212, USA
J Pharmacol Exp Ther 332:622-31. 2010....
The role of 5-hydroxytryptamine 7 receptors in the phencyclidine-induced novel object recognition deficit in ratsM Horiguchi
Division of Psychopharmacology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
J Pharmacol Exp Ther 338:605-14. 2011..These results suggest 5-HT(7) antagonism may contribute to the efficacy of some atypical APDs in the treatment of cognitive impairment in schizophrenia and may itself have some benefit in this regard...
Beyond control of acute exacerbation: enhancing affective and cognitive outcomesHerbert Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
CNS Spectr 8:16-8, 22. 2003..Finally, pharmacologic strategies to augment affect and cognitive improvements due to the new antipsychotic drug therapies will be discussed...
The effect of melperone, an atypical antipsychotic drug, on cognitive function in schizophreniaTomiki Sumiyoshi
Department of Psychiatry, Division of Psychopharmacology, Psychiatric Hospital at Vanderbilt, Vanderbilt University School of Medicine, 1601 23rd Avenue South, Suite 306, Nashville, TN 37212, USA
Schizophr Res 59:7-16. 2003..These results suggest the usefulness of melperone for facilitating work and social function in patients with schizophrenia. The differences in the cognition-enhancing abilities between melperone and clozapine are discussed...
A comparison of two doses of melperone, an atypical antipsychotic drug, in the treatment of schizophreniaTomiki Sumiyoshi
Department of Psychiatry, Vanderbilt University School of Medicine, Psychiatric Hospital at Vanderbilt, 1601 23rd Avenue South, Suite 306, Nashville, TN 37212, USA
Schizophr Res 62:65-72. 2003..The lack of significant side effects such as exacerbation of EPS, pPRL elevation, and weight gain indicates melperone is well tolerated...
Prediction of the ability of clozapine to treat negative symptoms from plasma glycine and serine levels in schizophreniaTomiki Sumiyoshi
Department of Psychiatry, Division of Psychopharmacology, Vanderbilt University School of Medicine, Nashville, TN, USA
Int J Neuropsychopharmacol 8:451-5. 2005..These results indicate the association of these amino acid measures with response to clozapine in terms of negative symptoms in patients with schizophrenia...
5-HT(2A) and D(2) receptor blockade increases cortical DA release via 5-HT(1A) receptor activation: a possible mechanism of atypical antipsychotic-induced cortical dopamine releaseJ Ichikawa
Division of Psychopharmacology, Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
J Neurochem 76:1521-31. 2001....
Quantitative distribution of monoamine oxidase A in brainstem monoamine nuclei is normal in major depressionG A Ordway
Department of Psychiatry, University of Mississippi Medical Center, Jackson, MS, USA
Brain Res 847:71-9. 1999..These findings demonstrate that the pathophysiology of major depression is not likely to involve abnormalities in MAO-A...
A novel augmentation strategy for treating resistant major depressionR C Shelton
Department of Psychiatry, Vanderbilt University Medical Center, Nashville, TN 37212, USA
Am J Psychiatry 158:131-4. 2001..The authors hypothesized that fluoxetine could be augmented with olanzapine to successfully treat resistant depression...
Illuminating the molecular basis for some antipsychotic drug-induced metabolic burdenHerbert Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, TN 37212, USA
Proc Natl Acad Sci U S A 104:3019-20. 2007
Clozapine increases both acetylcholine and dopamine release in rat ventral hippocampus: role of 5-HT1A receptor agonismYoung-Chul Chung
Division of Psychopharmacology, Departments of Psychiatry and Pharmacology, Vanderbilt University School of Medicine, 1601 23rd Avenue South, The First Floor Laboratory Rm-1117, The Psychiatric Hospital at Vanderbilt, Nashville, TN 37212, USA
Brain Res 1023:54-63. 2004..The role of hippocampus in the cognitive effects of atypical APDs warrants more intensive study...
Putting metabolic side effects into perspective: risks versus benefits of atypical antipsychoticsH Y Meltzer
Department of Psychiatry and Pharmacology, Vanderbilt University Medical Center, Nashville, Tenn 37212, USA
J Clin Psychiatry 62:35-9; discussion 40-1. 2001....
Low-dose loxapine in the treatment of schizophrenia: is it more effective and more "atypical" than standard-dose loxapine?H Y Meltzer
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, Tenn 37212, USA
J Clin Psychiatry 60:47-51. 1999..Further study of the dose-response curve for loxapine and its usefulness in treating neuroleptic-resistant schizophrenia is indicated...
Enhancement of cognitive performance in schizophrenia by addition of tandospirone to neuroleptic treatmentT Sumiyoshi
Department of Neuropsychiatry, Toyama Medical and Pharmaceutical University School of Medicine, Japan
Am J Psychiatry 158:1722-5. 2001....
Feasibility, efficacy, and safety of antipsychotics for intensive care unit delirium: the MIND randomized, placebo-controlled trialTimothy D Girard
Department of Medicine, Division of Allergy, Pulmonary, and Critical Care Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
Crit Care Med 38:428-37. 2010..To demonstrate the feasibility of a placebo-controlled trial of antipsychotics for delirium in the intensive care unit and to test the hypothesis that antipsychotics would improve days alive without delirium or coma...
Antipsychotic drugs: comparison in animal models of efficacy, neurotransmitter regulation, and neuroprotectionJeffrey A Lieberman
Department of Psychiatry, Columbia University College of Physicians and Surgeons and the New York State Psychiatric Institute, 1051 Riverside Dr, Unit 4, New York, NY 10032, USA
Pharmacol Rev 60:358-403. 2008....
A meta-analysis of cognitive change with haloperidol in clinical trials of atypical antipsychotics: dose effects and comparison to practice effectsNeil D Woodward
Department of Psychology, Vanderbilt University, 301 Wilson Hall, 111 21st Ave S, Nashville, TN 37203, USA
Schizophr Res 89:211-24. 2007....
COMT val108/158met genotype, cognitive function, and cognitive improvement with clozapine in schizophreniaNeil D Woodward
Department of Psychology, Vanderbilt University, Nashville, TN 37203, USA
Schizophr Res 90:86-96. 2007..The results are discussed in relation to previous cross-sectional studies and prospective investigations of the associations between COMT genotype, cognition, and cognitive improvement with atypical APDs in schizophrenia...
5-HT6 receptor antagonist SB-399885 potentiates haloperidol and risperidone-induced dopamine efflux in the medial prefrontal cortex or hippocampusZhu Li
Psychopharmacology Division, Psychiatry Department, Vanderbilt University School of Medicine, 1601 23rd Ave South, Suite 306, Nashville, TN 37212, USA
Brain Res 1134:70-8. 2007..The present data provides additional evidence in support of a possible therapeutic role for 5-HT6 receptor antagonism, as an addition on therapy, to enhance cognitive function in schizophrenia...
Dopamine D2 receptor levels in striatum, thalamus, substantia nigra, limbic regions, and cortex in schizophrenic subjectsRobert M Kessler
Department of Radiology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232, USA
Biol Psychiatry 65:1024-31. 2009..Studies in schizophrenic patients have reported dopaminergic abnormalities in striatum, substantia nigra, thalamus, anterior cingulate, hippocampus, and cortex that have been related to positive symptoms and cognitive impairments...
Differential effects of M1 and 5-hydroxytryptamine1A receptors on atypical antipsychotic drug-induced dopamine efflux in the medial prefrontal cortexZhu Li
Psychiatry Department, Vanderbilt University School of Medicine, 1601 23rd Ave South, 3035, Nashville, TN 37212, USA
J Pharmacol Exp Ther 330:948-55. 2009..These results suggest that the AC260584-, NDMC-, and clozapine-induced DA efflux in the mPFC is mediated directly by mPFC M(1) receptors...
Effect of muscarinic receptor agonists xanomeline and sabcomeline on acetylcholine and dopamine efflux in the rat brain; comparison with effects of 4-[3-(4-butylpiperidin-1-yl)-propyl]-7-fluoro-4H-benzo[1,4]oxazin-3-one (AC260584) and N-desmethylclozapineZhu Li
Psychiatry Department, Vanderbilt University School of Medicine, 1601 23rd Ave South, 3035, Nashville, TN 37212, USA
Eur J Pharmacol 596:89-97. 2008....
Decreased plasma tryptophan and tryptophan/large neutral amino acid ratio in patients with neuroleptic-resistant schizophrenia: relationship to plasma cortisol concentrationMyung Lee
Department of Psychiatry, School of Medicine, Vanderbilt University, Nashville, TN 37212, USA
Psychiatry Res 185:328-33. 2011..These results suggest the tryptophan-kynurenine pathway may be particularly relevant to TR-SCH and that this may be influenced by the activity of the hypothalamic-pituitary-adrenal axis...
AC260584 (4-[3-(4-butylpiperidin-1-yl)-propyl]-7-fluoro-4H-benzo[1,4]oxazin-3-one), a selective muscarinic M1 receptor agonist, increases acetylcholine and dopamine release in rat medial prefrontal cortex and hippocampusZhu Li
Psychiatry Department, Vanderbilt University School of Medicine, Nashville, TN USA
Eur J Pharmacol 572:129-37. 2007..Therefore, AC260584, as well as other muscarinic M1 receptor agonists, may be a valuable target for the development of drugs which can improve the cognitive deficits in schizophrenia and perhaps other neuropsychiatric disorders, as well...
Changes in weight and body mass index during treatment with melperone, clozapine and typical neurolepticsWilliam V Bobo
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, TN, USA
Psychiatry Res 176:114-9. 2010..Because of the relationship between BMI and cardiovascular risk, melperone deserves further study as both a first line treatment and as an alternative to clozapine in refractory schizophrenia...
A randomized trial comparing clozapine and typical neuroleptic drugs in non-treatment-resistant schizophreniaHerbert Y Meltzer
Department of Psychiatry, School of Medicine, Vanderbilt University, Nashville, TN, USA
Psychiatry Res 177:286-93. 2010..These considerations should be taken into account in decisions of how best to utilize clozapine in the treatment of schizophrenia...
The highly efficacious actions of N-desmethylclozapine at muscarinic receptors are unique and not a common property of either typical or atypical antipsychotic drugs: is M1 agonism a pre-requisite for mimicking clozapine's actions?Marilyn A Davies
Department of Psychiatry, Case Western Reserve University Medical School, Cleveland, OH 44106, USA
Psychopharmacology (Berl) 178:451-60. 2005..Recent studies have suggested that the salutary actions of clozapine in schizophrenia may be due to selective activation of M(1) muscarinic receptors by clozapine and/or its major active metabolite N-desmethylclozapine...
Lithium differs from anticonvulsant mood stabilizers in prefrontal cortical and accumbal dopamine release: role of 5-HT(1A) receptor agonismJunji Ichikawa
Department of Psychiatry, Vanderbilt University School of Medicine, The Psychiatric Hospital at Vanderbilt, Nashville, TN 37212, USA
Brain Res 1049:182-90. 2005..However, the combination of lithium and 5-HT(1A) blockade may result in excessive 5-HT(2A) receptor stimulation, relative to 5-HT(1A) receptor stimulation, both of which can increase prefrontal cortical DA release...
A comparison of the effects of loxapine with ziprasidone and thioridazine on the release of dopamine and acetylcholine in the prefrontal cortex and nucleus accumbensZhu Li
Division of Psychopharmacology, Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, TN 37212, USA
Psychopharmacology (Berl) 167:315-23. 2003..Moreover, loxapine, like its congener clozapine, has higher affinity for serotonin (5-HT)(2A) than dopamine D(2) receptors, in vitro, suggesting the possibility it could be an atypical APD with clozapine-like potential...
N-desmethylclozapine, a major metabolite of clozapine, increases cortical acetylcholine and dopamine release in vivo via stimulation of M1 muscarinic receptorsZhu Li
Psychiatry Department, Psychopharmacology Division, Vanderbilt University School of Medicine, Nashville, TN 37212, USA
Neuropsychopharmacology 30:1986-95. 2005....
Commentary on "clinical studies on the mechanism of action of clozapine; the dopamine-serotonin hypothesis of schizophrenia." Psychopharmacology (1989) 99:S18-S27Herbert Y Meltzer
Vanderbilt University School of Medicine, 1601 23rd Avenue South, Suite 306, Nashville, TN 37212, USA
Psychopharmacology (Berl) 163:1-3. 2002
Clozapine treatment for suicidality in schizophrenia: International Suicide Prevention Trial (InterSePT)Herbert Y Meltzer
Psychiatric Hospital at Vanderbilt, 1601 23rd Ave S, Suite 306, Nashville, TN 37212, USA
Arch Gen Psychiatry 60:82-91. 2003..Approximately 50% of patients with schizophrenia or schizoaffective disorder attempt suicide, and approximately 10% die of suicide. Study results suggest that clozapine therapy significantly reduces suicidal behavior in these patients...
Atypical antipsychotic drugs, quetiapine, iloperidone, and melperone, preferentially increase dopamine and acetylcholine release in rat medial prefrontal cortex: role of 5-HT1A receptor agonismJunji Ichikawa
Division of Psychopharmacology, Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, TN 37212, USA
Brain Res 956:349-57. 2002..However, 5-HT(1A) agonism may be important only for quetiapine-induced ACh release...
Melperone, an aytpical antipsychotic drug with clozapine-like effect on plasma prolactin: contrast with typical neurolepticsWilliam V Bobo
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, Tennessee 37211, USA
Hum Psychopharmacol 24:415-22. 2009..To evaluate the effect of melperone, a butyrophenone with atypical antipsychotic properties, on plasma prolactin (PRL) concentrations compared with clozapine and typical neuroleptics...
Plasma glycine and serine levels in schizophrenia compared to normal controls and major depression: relation to negative symptomsTomiki Sumiyoshi
Department of Psychiatry, Division of Psychopharmacology, Vanderbilt University School of Medicine, Nashville, TN, USA
Int J Neuropsychopharmacol 7:1-8. 2004....
Assessing cardiovascular risks versus clinical benefits of atypical antipsychotic drug treatmentHerbert Y Meltzer
Department of Psychiatry and Pharmacology, Vanderbilt University Medical Center, Nashville, Tenn 37212, USA
J Clin Psychiatry 63:25-9. 2002..This article discusses both risks and benefits of antipsychotic treatment and presents a treatment algorithm to aid the clinician in choosing medications for the psychotic patient...
Valproic acid potentiates both typical and atypical antipsychotic-induced prefrontal cortical dopamine releaseJunji Ichikawa
Division of Psychopharmacology, Department of Psychiatry, Vanderbilt University School of Medicine, 1601 23rd Avenue South, The First Floor Laboratory Rm 1117, The Psychiatric Hospital at Vanderbilt, Nashville, TN 37212, USA
Brain Res 1052:56-62. 2005..Furthermore, they provide a strong rationale for testing for possible clinical synergism of an APD and anticonvulsant mood-stabilizer in improving the cognitive deficits present in patients with schizophrenia and bipolar disorder...
Clozapine-induced weight gain predicts improvement in psychopathologyHerbert Y Meltzer
Department of Psychiatry, Psychiatric Hospital at Vanderbilt, Vanderbilt University School of Medicine, 1601 23rd Avenue South 306, Nashville, TN 37215, USA
Schizophr Res 59:19-27. 2003..The purpose of this study was to test the hypothesis that clozapine-induced weight gain is related to antipsychotic efficacy at 6 weeks and 6 months after adjusting for initial body weight and severity of illness...
Aripiprazole, a novel antipsychotic drug, preferentially increases dopamine release in the prefrontal cortex and hippocampus in rat brainZhu Li
Division of Psychopharmacology, Departments of Psychiatry and Pharmacology, Vanderbilt University School of Medicine, USA
Eur J Pharmacol 493:75-83. 2004..It also suggests that the function of both the medial prefrontal cortex and hippocampus may contribute to the ability of aripiprazole to improve negative symptom and cognition...
5-HT(1A) and 5-HT(2A) receptors minimally contribute to clozapine-induced acetylcholine release in rat medial prefrontal cortexJunji Ichikawa
Division of Psychopharmacology, Departments of Psychiatry and Pharmacology, Ther Psychiatric Hospital at Vanderbilt, Vanderbilt University School of Medicine, 1601 23rd Avenue South, Nashville, TN 37212, USA
Brain Res 939:34-42. 2002..These results suggest that 5-HT(1A) agonism and 5-HT(2A) antagonism, as well as DA release, contribute minimally to the ability of clozapine, and perhaps other atypical APDs, to increase ACh release in the mPFC...
Suicidality in schizophrenia: a review of the evidence for risk factors and treatment optionsHerbert Y Meltzer
Psychiatric Hospital of Vanderbilt, 1601 23rd Avenue South, Nashville, TN 37212, USA
Curr Psychiatry Rep 4:279-83. 2002..The results support the superiority of clozapine over olanzapine to reduce the risk of suicidality and suggest its use should be considered for all patients with schizophrenia with high risk for suicide...
ACP-103, a 5-HT2A/2C inverse agonist, potentiates haloperidol-induced dopamine release in rat medial prefrontal cortex and nucleus accumbensZhu Li
Psychiatry Department, Psychopharmacology Division, Vanderbilt University School of Medicine, Suite 306, 1601 23rd Ave S, Nashville, TN 37212, USA
Psychopharmacology (Berl) 183:144-53. 2005..However, pretreatment with the 5-HT(2A/2C) receptor antagonist SR46349-B with haloperidol increased both mPFC and NAC DA release, suggesting that both 5-HT(2A) and 5-HT(2C) properties may be important for atypical APD effects...
Occupancy of striatal and extrastriatal dopamine D2/D3 receptors by olanzapine and haloperidolRobert M Kessler
Department of Radiology, Vanderbilt University School of Medicine, University Medical Center, 1161 21st Avenue South, Nashville, TN 37232, USA
Neuropsychopharmacology 30:2283-9. 2005..Sparing of substantia nigra/VTA dopamine D(2)/D(3) receptor occupancy may contribute to the low incidence of extrapyramidal side effects in olanzapine-treated patients...
Cholinergic modulation of basal and amphetamine-induced dopamine release in rat medial prefrontal cortex and nucleus accumbensJunji Ichikawa
Division of Psychopharmacology, Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, TN 37212, USA
Brain Res 958:176-84. 2002....
Occupancy of striatal and extrastriatal dopamine D2 receptors by clozapine and quetiapineRobert M Kessler
Department of Radiology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
Neuropsychopharmacology 31:1991-2001. 2006..Preferential occupancy of cortical DA D2r, sparing occupancy of substantia nigra receptors, and non-DA D2r-mediated actions may contribute to the antipsychotic actions of these and other atypical APDs...
Effect of repeated administration of phencyclidine on spatial performance in an eight-arm radial maze with delay in rats and miceZhu Li
Division of Psychopharmacology, Departments of Psychiatry and Pharmacology, Vanderbilt University School of Medicine, Nashville, TN, USA
Pharmacol Biochem Behav 75:335-40. 2003..Thus, the present study failed to demonstrate that repeated administration of PCP to rats or mice produces enduring memory impairment. Factors potentially contributing to the discrepancies between various studies are discussed...
Prediction of changes in memory performance by plasma homovanillic acid levels in clozapine-treated patients with schizophreniaTomiki Sumiyoshi
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, Tenn, USA
Psychopharmacology (Berl) 177:79-83. 2004..Cognitive dysfunction in schizophrenia has been demonstrated to be dependent, in part, on dopaminergic activity. Clozapine has been found to improve some domains of cognition, including verbal memory, in patients with schizophrenia...
Treatment of suicidality in schizophreniaH Y Meltzer
Division of Psychopharmacology, Vanderbilt University School of Medicine, Psychiatric Hospital at Vanderbilt, 1601 23rd Ave South, Suite 306, Nashville, TN 37212, USA
Ann N Y Acad Sci 932:44-58; discussion 58-60. 2001..Some information about suicidality in the patient sample is reported here...
Melperone in the treatment of neuroleptic-resistant schizophreniaH Y Meltzer
Department of Psychiatry, Psychopharmacology Division, Vanderbilt University School of Medicine, Psychiatric Hospital at Vanderbilt, 1601 23rd Avenue South, Suite 306, Nashville, TN 37212, USA
Psychiatry Res 105:201-9. 2001..The results suggest that a proportion of neuroleptic-resistant patients with schizophrenia respond to melperone, which requires further controlled study...
Blonanserin reverses the phencyclidine (PCP)-induced impairment in novel object recognition (NOR) in rats: Role of indirect 5-HT1A partial agonismM Horiguchi
Division of Psychiatry and Behavioural Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA Division of Psychopharmacology, Vanderbilt University Medical Center, Nashville, TN 37212, USA Dainippon Sumitomo Pharma Co, Ltd, Osaka 564 0053, Japan
Behav Brain Res 247:158-64. 2013....
759C/T genetic variation of 5HT(2C) receptor and clozapine-induced weight gainVincenzo S Basile
Lancet 360:1790-1. 2002
Regional selectivity in clozapine treatment?Robert M Kessler
Am J Psychiatry 159:1064-5. 2002
5-HT 2A receptor stimulation by DOI, a 5-HT 2A/2C receptor agonist, potentiates amphetamine-induced dopamine release in rat medial prefrontal cortex and nucleus accumbensToshihide Kuroki
Department of Neuropsychiatry, Kyushu University Graduate School of Medical Science, Maidashi 3 1 1, Higashiku, Fukuoka 812 8582, Japan
Brain Res 972:216-21. 2003..Thus, 5-HT(2A) receptor agonism potentiates AMPH-induced DA release in the mPFC and NAC...
Discriminative stimulus properties of 1.25 and 5.0 mg/kg doses of clozapine in rats: examination of the role of dopamine, serotonin, and muscarinic receptor mechanismsAdam J Prus
Department of Psychology, Virginia Commonwealth University, 808 W. Franklin, Box 842018, Richmond, VA 23284-2018, USA
Pharmacol Biochem Behav 77:199-208. 2004..25 mg/kg CLZ cue, but only partial substitution for the 5.0 mg/kg CLZ cue. These results provide evidence that antagonism at the muscarinic M(1) receptor is sufficient to provide 1.25 mg/kg CLZ-like discriminative stimulus effects...
Dopamine D2 receptor gene variants and quantitative measures of positive and negative symptom response following clozapine treatmentRudi Hwang
Neurogenetics Section, Centre for Addiction and Mental Health, University of Toronto, 250 College Street, Toronto, Ontario M5T 1R8, Canada
Eur Neuropsychopharmacol 16:248-59. 2006....
Atypical antipsychotic drugs improve cognition in schizophreniaHerbert Y Meltzer
Biol Psychiatry 53:265-7; author reply 267-8. 2003
