651
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Hosalli P, Jayaram M. Olanzapine co-therapy in bipolar disorder. Br J Psychiatry 2005; 187:486-7. [PMID: 16260830 DOI: 10.1192/bjp.187.5.486-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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652
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Amann B, Sterr A, Mergl R, Dittmann S, Seemüller F, Dobmeier M, Orth M, Schaefer M, Grunze H. Zotepine loading in acute and severely manic patients: a pilot study. Bipolar Disord 2005; 7:471-6. [PMID: 16176441 DOI: 10.1111/j.1399-5618.2005.00241.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES In clinical practice patients with severe mania (agitation, insomnia and aggressive behaviour) still receive effective, but often not well tolerated typical antipsychotics. The aim of this study was to test the first-generation atypical antipsychotic zotepine regarding its antimanic efficacy, tolerability and to find an adequate dosage for a loading strategy. METHOD Twelve patients (seven male) with an acute and severe manic episode, according to DSM-IV, received zotepine loading in individual dosages (up to 600 mg/day) over a maximum period of 3 weeks. Clinical efficacy was measured using the Young-Mania Rating Scale (Y-MRS) total score. Response was defined as a 50% reduction in the Y-MRS score. Safety was assessed by systematic collection of data on side effects and weight; Hamilton Rating Scale for Depression (HAM-D) scores were used to detect a switch into depression. RESULTS Two patients dropped out of the study after 2 days. Nine of ten patients (baseline mean Y-MRS: 45 +/- 7) were classified as responders, with five of them responding within 4 days. One patient did not respond sufficiently. No switch into a depressive episode occurred. CONCLUSIONS This open pilot study suggests that zotepine with a median daily dosage of 250 mg/day is effective with a rapid therapeutic effect in severely manic patients. In general, patients tolerated the drug well; dose-dependent extrapyramidal side effects, an increase in weight and autonomic side effects occurred to a lesser degree. This is the first study assessing zotepine monotherapy in manic patients. Controlled studies are warranted.
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Affiliation(s)
- Benedikt Amann
- Department of Psychiatry, University LMU Munich, Germany
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653
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McIntyre RS, Brecher M, Paulsson B, Huizar K, Mullen J. Quetiapine or haloperidol as monotherapy for bipolar mania--a 12-week, double-blind, randomised, parallel-group, placebo-controlled trial. Eur Neuropsychopharmacol 2005; 15:573-85. [PMID: 16139175 DOI: 10.1016/j.euroneuro.2005.02.006] [Citation(s) in RCA: 127] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2004] [Revised: 02/17/2005] [Accepted: 02/17/2005] [Indexed: 10/25/2022]
Abstract
METHODS Patients (n=302) with bipolar I disorder (manic episode) were randomised to 12 weeks' double-blind treatment with quetiapine (flexibly dosed up to 800 mg/day), placebo, or haloperidol (up to 8 mg/day). The primary efficacy outcome variable was change from baseline to Day 21 in Young Mania Rating Scale (YMRS) score. RESULTS YMRS score improved with quetiapine at Day 21 (-12.29 versus -8.32 for placebo; P<0.01). The difference in favor of quetiapine increased by Day 84 (-17.52 versus -9.48; P<0.001). Haloperidol also showed an advantage over placebo at Days 21 and 84 (P<0.001). There was no significant difference in efficacy measures between quetiapine and haloperidol groups at any assessment except Day 21. The only common adverse event with quetiapine was somnolence (12.7%). Extrapyramidal symptoms (EPS), including akathisia, occurred at 59.6% with haloperidol, 12.7% with quetiapine, 15.8% with placebo. Most quetiapine responders (84%) received a dose of 400-800 mg/day. CONCLUSIONS Quetiapine was effective and well tolerated. The efficacy and tolerability profile of haloperidol (including its propensity for EPS) supported study validity.
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Affiliation(s)
- Roger S McIntyre
- Mood Disorders Psychopharmacology Unit, University Health Network, University of Toronto, Canada.
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654
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Vieta E, Bourin M, Sanchez R, Marcus R, Stock E, McQuade R, Carson W, Abou-Gharbia N, Swanink R, Iwamoto T. Effectiveness of aripiprazole v. haloperidol in acute bipolar mania: double-blind, randomised, comparative 12-week trial. Br J Psychiatry 2005; 187:235-42. [PMID: 16135860 DOI: 10.1192/bjp.187.3.235] [Citation(s) in RCA: 120] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Despite several treatmentoptions, adherenceto therapy is poor in patients with bipolar disorder. AIMS A double-blind, controlled comparison of aripiprazole and haloperidol in patients with bipolar I disorder experiencing acute manic or mixed episodes. METHOD Patients (n=347) were randomised to receive aripiprazole or haloperidol in this 12-week, multicentre study. The primary outcome measure was the number of patients in response (greater, similar 50% improvement from baseline in Young Mania Rating Scale score) and receiving therapy at week 12. RESULTS At week 12, significantly more patients taking aripiprazole (49.7%) were in response and receiving therapy compared with those taking haloperidol (28.4%; P < 0.001). Continuation rates differed markedly between treatments (week 12: aripiprazole, 50.9%; haloperidol, 29.1%). Extrapyramidal adverse events were more frequent with haloperidol than aripiprazole (62.7% v. 24.0%). CONCLUSIONS Aripiprazole showed superior levels of response and tolerability to haloperidol in the treatment of an acute manic episode for up to 12 weeks.
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Affiliation(s)
- Eduard Vieta
- Director of Research, Clinical Institute of Neuroscience, Hospital Clinic, University of Barcelona, Spain
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655
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Hardoy MC, Garofalo A, Carpiniello B, Calabrese JR, Carta MG. Combination quetiapine therapy in the long-term treatment of patients with bipolar I disorder. Clin Pract Epidemiol Ment Health 2005; 1:7. [PMID: 16026618 PMCID: PMC1188063 DOI: 10.1186/1745-0179-1-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2005] [Accepted: 07/18/2005] [Indexed: 11/10/2022]
Abstract
Objective Determine the long-term effectiveness of quetiapine in combination with standard treatments in preventing relapses for patients with bipolar I disorders Method Twenty-one outpatients with type I bipolar disorder who had inadequate responses to ongoing standard therapies were treated with add-on quetiapine in an open-label study. The quetiapine dose was increased until clinical response occurred. Illness response was assessed using the Clinical Global Impression (CGI) scale. Relapse rates before and during quetiapine treatment were compared by calculating incidence risk ratios. Results Quetiapine was added to ongoing standard therapy for 26 to 78 weeks. Thirteen patients received combination therapy for at least 52 weeks. The mean quetiapine dose received was 518 ± 244 mg/day. There were highly significant improvements in overall relapse rate, manic/mixed relapse rate, and depression relapse rate in the period during quetiapine treatment compared with the period before quetiapine was initiated. The calculated relative risk of relapse in the absence of quetiapine treatment was 2.9 overall (95% confidence interval, 1.5~5.6), 3.3 for manic/mixed relapse (95% confidence interval, 1.5~7.1), and 2.4 for depressive relapse (95% confidence interval, 1.3~4.4). The mean Clinical Global Impression scores improved significantly from baseline during 26 weeks of quetiapine treatment in 21 patients (p = 0.002) and remained significantly better during a 52-week treatment period in 13 patients (p = 0.036). Conclusion Long-term treatment with quetiapine combination therapy reduced the probability of manic/mixed and depressive relapses and improved symptoms in patients with bipolar I disorder who had inadequate responses to ongoing standard treatment.
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Affiliation(s)
- MC Hardoy
- Division of Psychiatry, Department of Public Health, University of Cagliari, Italy
| | - Alessandra Garofalo
- Division of Psychiatry, Department of Public Health, University of Cagliari, Italy
| | - Bernardo Carpiniello
- Division of Psychiatry, Department of Public Health, University of Cagliari, Italy
| | - JR Calabrese
- University Hospitals of Cleveland, Cleveland, Ohio, USA
| | - MG Carta
- Division of Psychiatry, Department of Public Health, University of Cagliari, Italy
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656
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Weisler RH. Carbamazepine extended-release capsules for the treatment of bipolar I disorder. ACTA ACUST UNITED AC 2005. [DOI: 10.2217/14750708.2.4.533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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657
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Centorrino F, Fogarty KV, Cimbolli P, Salvatore P, Thompson TA, Sani G, Cincotta SL, Baldessarini RJ. Aripiprazole: initial clinical experience with 142 hospitalized psychiatric patients. J Psychiatr Pract 2005; 11:241-7. [PMID: 16041234 DOI: 10.1097/00131746-200507000-00004] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Aripiprazole is the first dopamine D2 receptor partial-agonist approved for treatment of schizophrenia. Its apparently benign adverse-effect profile encourages broader use in other disorders, especially to limit weight gain associated with other antipsychotic or antimanic agents. We considered the first 6 months of experience with aripiprazole in psychiatric inpatients with a range of disorders. METHODS We analyzed data obtained from medical records of patients treated with aripiprazole who were hospitalized at McLean Hospital (for 19 +/- 18 days) between December 2002 and June 2003 to evaluate dosing, tolerability, and clinical effects of this new agent in patients diagnosed with DSM-IV psychotic, major affective, or other disorders. RESULTS Out of a sample of 2766 adult inpatients (65.5% women), 142 were given aripiprazole (mean final daily dose, 16.1 +/- 6.2 mg, 0.20 +/- 0.09 mg/kg body weight) for major affective disorders (52%), primary psychotic disorders (40%), and dementia (8%). CGI ratings improved by 20% on average. Adverse effects were infrequent (15.5%), were three times more likely among women, and most often involved moderate behavioral activation or nausea, with no new episodes of mania. Of the patients who were given aripiprazole, 83% continued it at discharge. Many patients were obese when they were admitted, and obesity was associated with relatively low mg/kg doses of aripiprazole. CONCLUSIONS Aripiprazole was used in a range of disorders and was generally well tolerated. Adverse effects may reflect its unique dopamine partial-agonist activity. Since aripiprazole is likely to be considered for obese patients, body weight should be considered in establishing adequate doses. Controlled trials of this antipsychotic agent in disorders other than schizophrenia are needed.
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Affiliation(s)
- Franca Centorrino
- Harvard Medical School and McLean Hospital, Belmont, MA 02478-9106, USA
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658
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McIntyre RS, Riccardelli R, Binder C, Kusumakar V. Open-label adjunctive topiramate in the treatment of unstable bipolar disorder. CANADIAN JOURNAL OF PSYCHIATRY. REVUE CANADIENNE DE PSYCHIATRIE 2005; 50:415-22. [PMID: 16086539 DOI: 10.1177/070674370505000705] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To assess open-label adjunctive topiramate in the treatment of outpatients with unstable bipolar disorder (BD). METHOD Outpatients with DSM-IV-defined BD (I or II) exhibiting mood instability were enrolled in this 16-week, open-label, multicentre study. Topiramate was added to existing mood stabilizers and other psychotropic treatments. The primary effectiveness measure was the Clinical Global Impression of Severity (CGI-S) scale; other scales included the Young Mania Rating Scale (YMRS) and the Montgomery-Asberg Depression Rating Scale (MADRS). Safety assessments included monitoring adverse events, measuring tremor, monitoring vital signs and weight, and laboratory indices. We also evaluated patient satisfaction with treatment. RESULTS A total of 109 patients were enrolled. Intent-to-treat analysis showed significant improvement from baseline in the CGI-S, YMRS, and MADRS, starting at Week 2 (P < 0.001), with further accrual of benefit between Week 2 and Week 16 (P < 0.001). The mean modal dosage of topiramate during the stable dosing period was 180 mg daily. There was a mean 1.8 kg decrease in patient weight from topiramate initiation to Week 16 (P < 0.001). Topiramate was well tolerated by most patients; 11% withdrew from the study owing to adverse events. We noted a significant reduction in the mean severity score for preexisting tremor by Week 8 of treatment (P < 0.005); no notable changes in vital signs were observed. At Week 16, 50% of the patients were "completely satisfied" with topiramate treatment. CONCLUSIONS Adjunctive topiramate treatment can reduce the severity of manic and depressive symptoms, as well as reducing tremor and weight in outpatients with BD I or II.
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Affiliation(s)
- Roger S McIntyre
- Mood Disorders Psychoparmacology Unit, University Health Network, Toronto, Ontario.
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659
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Pavuluri MN, Henry DB, Carbray JA, Naylor MW, Janicak PG. Divalproex sodium for pediatric mixed mania: a 6-month prospective trial. Bipolar Disord 2005; 7:266-73. [PMID: 15898964 DOI: 10.1111/j.1399-5618.2005.00204.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVE This prospective 6-month open trial examined the effectiveness and safety of divalproex sodium (DVPX) in pediatric mixed mania. METHOD Thirty-four subjects with a mean age of 12.3 (SD = 3.7) years, DSM-IV diagnosis of a current mixed episode and a baseline Young Mania Rating Scale (YMRS) score >20 were treated with DVPX monotherapy. The primary outcome measures were the YMRS and the Child Depression Rating Scale-Revised. Secondary measures were the Clinical Global Impression Scale for Bipolar Disorder (CGI-BP) and the Children's Global Assessment of Functioning Scale (C-GAS). Measures of safety and tolerability were also administered. RESULTS Effect size (Cohen's d) based on change scores from baseline was 2.9 for the YMRS and 1.23 for the CDRS-R. Response rate (> or =50% change from baseline YMRS score and < or =40 score on CDRS-R at the end of study) was 73.5%. The remission rate (> or =50% change from baseline on YMRS, < or =40 on CDRS-R, CGI-BP-Improvement subscale of < or =2, and > or =51 CGAS score) was 52.9%. Significant improvements (p < 0.001) from baseline were seen for mean scores on all outcome measures (i.e., YMRS, CGI-BP, CDRS-R, and C-GAS). DVPX was safe and well tolerated with no serious adverse events during the 6-month trial. CONCLUSION This study provides evidence for the effectiveness and safety of DVPX in the treatment of pediatric mixed mania over a 6-month period. Placebo-controlled, randomized trials involving larger samples will ultimately shed light on the efficacy of this agent.
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Affiliation(s)
- Mani N Pavuluri
- Pediatric Mood Disorders Research Program, Department of Psychiatry, University of Illinois at Chicago, Chicago, IL 60612, USA.
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660
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Montes JM, Saiz-Ruiz J, Lahera G, Asiel A. Lamotrigine for the treatment of bipolar spectrum disorder: a chart review. J Affect Disord 2005; 86:69-73. [PMID: 15820272 DOI: 10.1016/j.jad.2004.11.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2004] [Accepted: 11/30/2004] [Indexed: 11/18/2022]
Abstract
BACKGROUND Bipolar spectrum disorders are highly prevalent and disabling but are often misdiagnosed and inadequately treated. The use of mood stabilizers may be an important treatment option. This study evaluated the effectiveness and safety of lamotrigine in bipolar spectrum patients. METHODS Retrospective follow-up of 34 charts of bipolar outpatients treated with lamotrigine in monotherapy or as add-on therapy. Clinic notes were used to score the Clinical Global Impression for Bipolar Disorders (CGI-BP-M) scale and to identify manic, hypomanic mixed or depressive relapses. RESULTS A mean dose of lamotrigine of 113.2+/-66.6 mg/day for a mean duration of 29.7+/-17.3 weeks (range 6-96 weeks) achieved remission on depression (score 1 on the CGI-BP-M depression subscale) in 47.1% of the patients. Eleven patients (32.4%) remained euthymic (score 1 on the CGI-BP-M overall subscale) during the follow-up, after initiating treatment with lamotrigine. Effectiveness of lamotrigine was greater for those patients diagnosed with bipolar spectrum disorders other than bipolar I. Lamotrigine was well-tolerated and only two patients discontinued due to side effects. LIMITATIONS Chart review is open to several biases. CONCLUSIONS In this sample of bipolar spectrum patients, lamotrigine was a safe and effective treatment.
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Affiliation(s)
- José M Montes
- Hospital Universitario Príncipe de Asturias, Universidad de Alcalá, Madrid, Spain.
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661
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Bauer M, London ED, Rasgon N, Berman SM, Frye MA, Altshuler LL, Mandelkern MA, Bramen J, Voytek B, Woods R, Mazziotta JC, Whybrow PC. Supraphysiological doses of levothyroxine alter regional cerebral metabolism and improve mood in bipolar depression. Mol Psychiatry 2005; 10:456-69. [PMID: 15724143 DOI: 10.1038/sj.mp.4001647] [Citation(s) in RCA: 96] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Supplementation of standard treatment with high-dose levothyroxine (L-T(4)) is a novel approach for treatment-refractory bipolar disorders. This study tested for effects on brain function associated with mood alterations in bipolar depressed patients receiving high-dose L-T(4) treatment adjunctive to ongoing medication (antidepressants and mood stabilizers). Regional activity and whole-brain analyses were assessed with positron emission tomography and [(18)F]fluorodeoxyglucose in 10 euthyroid depressed women with bipolar disorder, before and after 7 weeks of open-label adjunctive treatment with supraphysiological doses of L-T(4) (mean dose 320 microg/day). Corresponding measurements were acquired in an age-matched comparison group of 10 healthy women without L-T(4) treatment. The primary biological measures were relative regional activity (with relative brain radioactivity taken as a surrogate index of glucose metabolism) in preselected brain regions and neuroendocrine markers of thyroid function. Treatment-associated changes in regional activity (relative to global activity) were tested against clinical response. Before L-T(4) treatment, the patients exhibited significantly higher activity in the right subgenual cingulate cortex, left thalamus, medial temporal lobe (right amygdala, right hippocampus), right ventral striatum, and cerebellar vermis; and had lower relative activity in the middle frontal gyri bilaterally. Significant behavioral and cerebral metabolic effects accompanied changes in thyroid hormone status. L-T(4) improved mood (remission in seven patients; partial response in three); and decreased relative activity in the right subgenual cingulate cortex, left thalamus, right amygdala, right hippocampus, right dorsal and ventral striatum, and cerebellar vermis. The decrease in relative activity of the left thalamus, left amygdala, left hippocampus, and left ventral striatum was significantly correlated with reduction in depression scores. Results of the whole-brain analyses were generally consistent with the volume of interest results. We conclude that bipolar depressed patients have abnormal function in prefrontal and limbic brain areas. L-T(4) may improve mood by affecting circuits involving these areas, which have been previously implicated in affective disorders.
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Affiliation(s)
- M Bauer
- Neuropsychiatric Institute & Hospital, University of California Los Angeles , CA, USA.
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662
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Waghorn G, Chant D, King R. Work-related subjective experiences among community residents with schizophrenia or schizoaffective disorder. Aust N Z J Psychiatry 2005; 39:288-99. [PMID: 15777367 DOI: 10.1080/j.1440-1614.2005.01567.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To develop a self-report scale of subjective experiences of illness perceived to impact on employment functioning, as an alternative to a diagnostic perspective, for anticipating the vocational assistance needs of people with schizophrenia or schizoaffective disorders. METHOD A repeated measures pilot study (n(1) = 26, n(2) = 21) of community residents with schizophrenia identified a set of work-related subjective experiences perceived to impact on employment functioning. Items with the best psychometric properties were applied in a 12 month longitudinal survey of urban residents with schizophrenia or schizoaffective disorder (n(1) = 104; n(2) = 94; n(3) = 94). RESULTS Construct validity, factor structure, responsiveness, internal consistency, stability, and criterion validity investigations produced favourable results. Work-related subjective experiences provide information about the intersection of the person, the disorder, and expectations of employment functioning, which suggest new opportunities for vocational professionals to explore and discuss individual assistance needs. CONCLUSION Further psychometric investigations of test-retest reliability, discriminant and predictive validity, and research applications in supported employment and vocational rehabilitation, are recommended. Subject to adequate psychometric properties, the new measure promises to facilitate exploring: individuals' specific subjective experiences; how each is perceived to contribute to employment restrictions; and the corresponding implications for specialized treatment, vocational interventions and workplace accommodations.
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Affiliation(s)
- Geoff Waghorn
- Queensland Centre for Mental Health Research, The Park, Centre for Mental Health, Locked Bag 500, Richlands, Queensland 4077, Australia.
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663
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Macedo-Soares MBD, Moreno RA, Rigonatti SP, Lafer B. Efficacy of electroconvulsive therapy in treatment-resistant bipolar disorder: a case series. J ECT 2005; 21:31-4. [PMID: 15791175 DOI: 10.1097/01.yct.0000148621.88104.f1] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
UNLABELLED The response to electroconvulsive therapy for six bipolar patients after pharmacotherapy failure is discussed. METHODS Inclusion criteria were as follows: (1) bipolar mood disorder, manic, depressive or mixed episode (DSM-IV); (2) failure of pharmacotherapy, that is, for mania, manic episode unresponsive to at least 2 adequate antimanic trials for 6 weeks; and for bipolar depression, bipolar depressive episode unresponsive to at least 2 adequate antidepressant trials for 8 weeks. The patients underwent 12 bilateral sessions of ECT 3 times per week. Clinical response was considered a reduction of 50% or greater in the Young Mania Rating Scale (YMRS) and in the Hamilton Rating Scale for Depression-21 items (HAMD-21). Final YMRS <6 and HAMD-21 <8 defined remission. RESULTS Six of the 9 referred patients consented to be submitted to ECT. Four were male, with ages ranging from 29 to 61 years, and their age at onset ranged from 19 to 49 years. Four showed psychotic features. All responded to ECT.
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664
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Little JT, Ketter TA, Kimbrell TA, Dunn RT, Benson BE, Willis MW, Luckenbaugh DA, Post RM. Bupropion and venlafaxine responders differ in pretreatment regional cerebral metabolism in unipolar depression. Biol Psychiatry 2005; 57:220-8. [PMID: 15691522 DOI: 10.1016/j.biopsych.2004.10.033] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2004] [Revised: 10/20/2004] [Accepted: 10/27/2004] [Indexed: 10/25/2022]
Abstract
BACKGROUND Pretreatment functional brain imaging was examined for never-hospitalized outpatients with unipolar depression compared with control subjects in a crossover treatment trial involving bupropion or venlafaxine monotherapy. METHODS Patients (n = 20) with unipolar depression received baseline (medication-free) fluorine-18 deoxyglucose (FDG) positron emission tomography (PET) scan and then at least 6 weeks of bupropion or venlafaxine monotherapy in a single-blind crossover trial. Age-matched healthy control subjects (n = 20) also received baseline FDG PET scans. For each medication PET data from patients compared with control subjects was analyzed as a function of treatment response (defined as moderate to marked improvement on the Clinical Global Impression Scale). RESULTS Treatment response rates were similar for buproprion (32%) and venlafaxine (33%). Compared with control subjects, responders but not nonresponders, to both drugs demonstrated frontal and left temporal hypometabolism. Selectively, compared with control subjects bupropion responders (n = 6) also had cerebellar hypermetabolism, whereas venlafaxine responders (n = 7) showed bilateral temporal and basal ganglia hypometabolism. CONCLUSIONS These data suggest that pretreatment frontal and left temporal hypometabolism in never-hospitalized depressed outpatients compared with control subjects is linked to positive antidepressant response and that additional alterations in regional metabolism may be linked to differential responsivity to bupropion and venlafaxine monotherapy.
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Affiliation(s)
- John T Little
- Division of Psychiatric Neuroimaging, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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665
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Chengappa KNR, Hennen J, Baldessarini RJ, Kupfer DJ, Yatham LN, Gershon S, Baker RW, Tohen M. Recovery and functional outcomes following olanzapine treatment for bipolar I mania. Bipolar Disord 2005; 7:68-76. [PMID: 15654934 DOI: 10.1111/j.1399-5618.2004.00171.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Typical experimental categorizations of treatment responses in bipolar disorder (BPD) patients may have limited relationship to clinical recovery or functional status, and there is inadequate research on such clinically important outcomes. METHODS We analyzed data from a study of open continuation of olanzapine treatment following a 3-week placebo-controlled trial involving initially hospitalized adult subjects with DSM-IV BP-I mania to estimate rates and times to symptomatic remission (low scores on standardized symptomatic assessments) and clinical recovery (remission sustained>or=8 weeks), associated clinical factors, and functional outcomes. RESULTS During treatment with olanzapine for 27.9+/-20.1 weeks, symptomatic remission was attained by 70% of subjects, half by 8 weeks (95% CI 6-10) weeks, and later lost by 82% of remitted subjects; remitted (versus non-remitted) subjects had slightly lower baseline clinical global impression scores and greater trial-completion. Sustained clinical recovery was attained by only 40 of 113 (35%) of subjects, half by 36 (95% CI 20-40) weeks, and later lost by 45%. Subjects with above-median (>12) initial Hamilton-Depression rating scale depression scores were half as likely to recover (p=0.016) and did so much later (36 versus 12 weeks) than those with lower scores. At final assessment, self-rated well being (SF-36 psychosocial functioning scores) improved substantially more among recovered versus non-recovered subjects (mean changes: 87% versus 23%), and two-thirds of recovered subjects remained unemployed-for-pay while half received disability-compensation. CONCLUSIONS Clinically meaningful symptomatic remission and recovery in relatively severely ill adult bipolar I manic patients were achieved slowly and sustained by only some patients within an average of 7 months of continuous treatment. These clinically relevant outcomes were worse with relatively high initial dysphoria ratings. Well-being was rated higher by recovered subjects, but their ability to work and live independently were markedly impaired. These findings underscore the emerging view that BPD can often be severe, slow to remit, and disabling, particularly in association with prominent depression-dysphoria symptoms. Improved treatments for BPD are needed, guided by longitudinal assessments of clinically meaningful measures of symptomatic recovery and functional outcome.
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Affiliation(s)
- K N Roy Chengappa
- Western Psychiatric Institute and Clinic, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213-2593, USA.
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666
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Carlson PJ, Merlock MC, Suppes T. Adjunctive stimulant use in patients with bipolar disorder: treatment of residual depression and sedation. Bipolar Disord 2004; 6:416-20. [PMID: 15383134 DOI: 10.1111/j.1399-5618.2004.00132.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Residual depression and medication-induced sedation remain significant problems for many patients with bipolar disorder (BD). Some evidence indicates that bipolar depression may be more responsive to dopaminergic agents, suggesting that adjunctive stimulant medication may be an effective treatment for bipolar depression as well as for medication-induced sedation. However, there are few data regarding the use of these medications in BD, likely due in part to concerns regarding potential stimulant-induced switching and stimulant abuse. METHODS In order to evaluate the effectiveness and safety of psychostimulants in BD, we retrospectively reviewed the cases of eight consecutive individuals from our clinic (five with bipolar I and three with bipolar II) who received adjunctive stimulants (either methylphenidate or amphetamine) within the last 2 years. Primary target symptoms of stimulant therapy included residual depression and medication-induced sedation. The degree of clinical change in target symptoms was estimated, and the Clinical Global Impression-BP Version scale (CGI-BP) was used to evaluate the overall severity of illness at baseline, 6 months after stimulant initiation, and at last visit. RESULTS The eight patients generally showed moderate clinical improvement in their target symptoms and substantial improvement of overall bipolar illness (mean change in CGI-BP overall score 2.9). There was no evidence of stimulant-induced switching or abuse. The stimulants were well tolerated. CONCLUSION The present case series suggests that adjunctive stimulants may be a reasonable therapeutic option for treating residual depression and medication-induced sedation in some patients. Controlled trials are needed to assess the safety and effectiveness of stimulant augmentation in BD.
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Affiliation(s)
- Paul J Carlson
- Department of Psychiatry, UT Southwestern Medical Center, Dallas, TX 75390-9121, USA
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667
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Padmos RC, Bekris L, Knijff EM, Tiemeier H, Kupka RW, Cohen D, Nolen WA, Lernmark A, Drexhage HA. A high prevalence of organ-specific autoimmunity in patients with bipolar disorder. Biol Psychiatry 2004; 56:476-82. [PMID: 15450782 DOI: 10.1016/j.biopsych.2004.07.003] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2003] [Revised: 03/17/2004] [Accepted: 07/06/2004] [Indexed: 10/26/2022]
Abstract
BACKGROUND In a previous study, we reported an increased prevalence of thyroperoxidase antibodies (TPOA) in patients with bipolar disorder. Here we report the prevalence of other organ-specific autoantibodies: H/K adenosine triphosphatase (ATPA), glutamic acid decarboxylase-65 (GAD65A), and GAD-67 (GAD67A). METHODS ATPA, GAD65A, and GAD67A were determined (via a commercially available enzyme linked immunosorbent assay for ATPA, and a standardized radio immunoassays for GAD65A and GAD67A)in the sera of 239 patients with DSM-IV bipolar disorder, in 74 patients with DSM-IV schizophrenia, and in 220 healthy control subjects. RESULTS The positivity prevalences for ATPA and GAD65A (but not GAD67A) were elevated in bipolar patients compared with those in healthy control subjects (11.7 vs. 6.1% and 11.3 vs. 2.6% respectively; p <.05). Schizophrenia patients did not show such statistically higher prevalence. The elevated prevalence of ATPA and GAD65A in bipolar disorder was associated with neither rapid cycling nor the use of lithium. Interestingly, the presence of GAD65A (and not that of TPOA and ATPA) tended to be associated with the activity of bipolar disorder. The level of TPOA was negatively correlated with the serum level of sIL-2R, a measure of T cell activation. CONCLUSION Bipolar disorder is associated with organ-specific autoimmunity to the antigens TPO, H/K ATPase, and GAD65.
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Affiliation(s)
- Roos C Padmos
- Department of Immunology, Erasmus Medical Centre, Rotterdam, The Netherlands
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668
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Pavuluri MN, Henry DB, Carbray JA, Sampson G, Naylor MW, Janicak PG. Open-label prospective trial of risperidone in combination with lithium or divalproex sodium in pediatric mania. J Affect Disord 2004; 82 Suppl 1:S103-11. [PMID: 15571784 DOI: 10.1016/j.jad.2004.05.017] [Citation(s) in RCA: 97] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2003] [Accepted: 05/17/2004] [Indexed: 11/21/2022]
Abstract
OBJECTIVE This prospective 6-month open trial examined the safety and efficacy of two combination therapies for manic or mixed episodes of pediatric bipolar disorder: (1) divalproex sodium plus risperidone (DVPX+Risp), or (2) lithium plus risperidone (Li+Risp). METHODS Thirty-seven (37) subjects aged 5 and 18 (age=12.1+/-3.5 years) with DSM IV current mixed or manic episode and Young Mania Rating Scale (YMRS) score >20 were sequentially assigned to either DVPX+Risp or Li+Risp in a 6-month, prospective open-label trial. Outcome measures included the YMRS, Clinical Global Impression Scale for Bipolar Disorder (CGI-BP), Child Depression Rating Scale-Revised (CDRS-R) as well as measures of safety and tolerability. RESULTS Effect sizes (Cohen's d) based on change of YMRS scores from baseline were 4.36 for DVPX+Risp and 2.82 for Li+Risp. Response rates (>or=50% change from baseline YMRS score at the end of study) were 80% for DVPX+Risp and 82.4% for Li+Risp. Both combination treatments were well tolerated. Significant improvements (p<0.001) from baseline were seen for mean scores on all efficacy measures, i.e., YMRS, CGI-BP, and CDRS-R. There were no significant group differences in safety or tolerability, and no serious adverse events during the 6-month trial. CONCLUSION Both DVPX+Risp and Li+Risp show strong effects coupled with safety and tolerability in treating children and adolescents with manic or mixed episodes associated with type I bipolar disorder.
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Affiliation(s)
- Mani N Pavuluri
- Pediatric Bipolar Research Program, Department of Psychiatry, University of Illinois at Chicago (UIC), Chicago, IL 60612, USA.
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669
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Storosum JG, Fouwels A, Gispen-de Wied CC, Wohlfarth T, van Zwieten BJ, van den Brink W. How real are patients in placebo-controlled studies of acute manic episode? Eur Neuropsychopharmacol 2004; 14:319-23. [PMID: 15163442 DOI: 10.1016/j.euroneuro.2003.10.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2003] [Revised: 10/14/2003] [Accepted: 10/14/2003] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To determine whether the results from placebo-controlled studies conducted in patients with manic episode can be generalised to a routine population of hospitalised acute manic patients. METHODS A list of four most prevalent inclusion and the nine most prevalent exclusion criteria was constructed for participation in previous randomised-controlled trials (RCTs). On the basis of this list, a consecutive series of 68 patients with 74 episodes of acute mania who had been referred for routine treatment were retrospectively assessed to determine their eligibility for a hypothetical but representative randomised controlled trial. RESULTS Only 16% of the manic episodes would qualify for the hypothetical trial (male episodes 28%, female episodes 10%), whereas 37%, 20% and 27% of the manic episodes would have to be excluded because they did no fulfil one, two or at least three of the inclusion or exclusion criteria. The most common exclusion criterion was "no use of contraceptives". If this criterion was not taken into account, 28% of the male episodes and 33% of the female episodes would qualify for inclusion in the hypothetical study. Apart from the use of contraceptives, no significant differences between male and female episodes were observed in the reasons for exclusion: 11% suicidal ideation, 29% prior mood stabilising medication, 1% depot medication, 22% other axis I diagnosis, 27% internal disease somatic disease, 5% neurological disorder, 15% alcohol use disorder and 10% drug use disorder. CONCLUSION Only a small percentage acute manic episodes in a routine mental hospital seem to qualify for a standard placebo-controlled RCT. It could be argued, however, that certain exclusion criteria (e.g. no use of contraceptives) are not very likely to reduce the external validity of a standard RCT. In contrast, some other exclusion criteria (e.g. comorbid alcohol and drug use disorders) may have resulted in an overestimation of the efficacy of anti-manic medications. These notions should be taken into account when evaluating the results of RCTs in bipolar patients with an acute manic episode.
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Affiliation(s)
- Jitschak G Storosum
- Medicines Evaluation Board of the Netherlands, Kalvermarkt 53, PO-BOX 16229, 2500 BE Den Haag, The Netherlands.
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670
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Basu R, Brar JS, Chengappa KNR, John V, Parepally H, Gershon S, Schlicht P, Kupfer DJ. The prevalence of the metabolic syndrome in patients with schizoaffective disorder--bipolar subtype. Bipolar Disord 2004; 6:314-8. [PMID: 15225149 DOI: 10.1111/j.1399-5618.2004.00126.x] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To evaluate the point prevalence of the metabolic syndrome in patients with schizoaffective disorder--bipolar type. METHODS Consenting patients who were participants in an ongoing clinical trial of adjunctive topiramate treatment for schizoaffective disorder, bipolar type were evaluated at baseline for the point prevalence of the metabolic syndrome. The criteria for the metabolic syndrome included: (a) waist circumference > 102 cm (40 inches) in males, or > 88 cm (35 inches) in females; (b) fasting serum triglyceride levels > or = 150 mg/dL; (c) fasting high density lipoproteins (HDL) cholesterol <40 mg/dL in men or <50 mg/dL in women; (d) blood pressure > or = 130/85 mmHg; and (e) fasting glucose > or = 110 mg/dL. Subjects who had at least three of these five criteria were defined as meeting criteria for the metabolic syndrome. RESULTS Thirty-six subjects (males = 15, females = 21) were evaluated, and three were excluded for missing data. Among those 33 subjects with complete data, 14 subjects (42.4%, males = 7, females = 7, African Americans = 6, Caucasians = 8) met criteria for the metabolic syndrome. Not unexpectedly, those with the metabolic syndrome were significantly more likely to be obese, and have significantly higher mean systolic and diastolic blood pressure, mean fasting triglyceride levels and larger mean waist circumferences, and significantly lower HDL cholesterol levels; and a trend toward higher fasting blood glucose levels. Furthermore, the fasting mean total cholesterol in those with the metabolic syndrome was 217 mg/dL (+/-46). CONCLUSIONS This preliminary report suggests that the point prevalence of the metabolic syndrome in patients with schizoaffective disorder appears to be higher than that reported in the general population of the USA. Targeted weight reduction and life style change strategies (increased exercise, smoking cessation, stress reduction) may provide useful interventions to decrease the morbidity and mortality that accompanies the presence of the metabolic syndrome in patients with psychiatric illnesses.
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Affiliation(s)
- Ranita Basu
- Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA 15213-2593, USA
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671
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Pavuluri MN, Henry DB, Devineni B, Carbray JA, Naylor MW, Janicak PG. A pharmacotherapy algorithm for stabilization and maintenance of pediatric bipolar disorder. J Am Acad Child Adolesc Psychiatry 2004; 43:859-67. [PMID: 15213587 DOI: 10.1097/01.chi.0000128790.87945.2f] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To assess the feasibility and effectiveness of an evidence-based pharmacotherapy algorithm in the treatment of pediatric bipolar disorder. METHOD The study reports the results of a study of 64 bipolar type I subjects who were treated according to an algorithm developed in our specialty clinic. All subjects had been diagnosed using the Washington University in St. Louis Schedule for Affective Disorders and Schizophrenia. Subjects scored an average of 28 (+/- 4) on the baseline Young Mania Rating Scale. All subjects were assessed over an 18-month period. In addition, we were able to match 17 of the 64 subjects in the algorithm sample for gender, age, ethnicity, socioeconomic status, and diagnosis with an equal number of subjects in a psychopharmacology clinic who received treatment as usual. RESULTS Prescribing clinicians were able to implement primary and secondary strategies, including detailed tactics of medication choices in the algorithm group. Growth curve analysis of the total algorithm group showed strong and significant improvement in symptoms. Analyses of the matched groups also showed strong effects for the treatment algorithm over treatment as usual. Treatment adherence and family satisfaction were higher in the algorithm group. CONCLUSION An evidence-based, problem-solving pharmacotherapy algorithm is feasible and may be associated with better outcomes in the treatment of pediatric bipolar disorder. Randomized trials will be necessary to gather additional support for the algorithm's effectiveness.
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Affiliation(s)
- Mani N Pavuluri
- Pediatric Mood Disorders Clinic, Bipolar Research Program, Department of Psychiatry, University of Illinois at Chicago, 60612-7347, USA.
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672
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Amore M, Strippoli P, Laterza C, Tagariello P, Vitale L, Casadei R, Frabetti F, Canaider S, Lenzi L, D'Addabbo P, Carinci P, Torroni A, Ferrari G, Zannotti M. Sequence analysis of ADARB1 gene in patients with familial bipolar disorder. J Affect Disord 2004; 81:79-85. [PMID: 15183604 DOI: 10.1016/j.jad.2003.08.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2003] [Revised: 08/06/2003] [Accepted: 08/08/2003] [Indexed: 11/20/2022]
Abstract
BACKGROUND The ADARB1 gene is located in 21q22.3 region, previously linked to familial bipolar disorder, and its product has a documented action in the editing of the pre-mRNA of glutamate receptor B subunit. Dysfunction of glutamatergic neurotransmission could play an important role in the pathophysiology of bipolar disorder (BD). Glutamate excitatory neurotransmission regulation is a possible mechanism of the initial effect of anticonvulsants in regulating mood. METHODS To investigate the hypothesis of an involvement of ADARB1 gene in the BD, the ADARB1 cDNA has been cloned and sequenced in seven selected bipolar I disorder patients with evidence of familiarity of mood disorders. A detailed investigation of the gene nucleotide sequence in the open reading frame has been performed. RESULTS No alteration in the sequence of the ADARB1 gene cDNA was found in any patient, except a common neutral polymorphism in three out of seven patients. CONCLUSIONS Mutations in ADARB1 gene are not commonly associated with bipolar I disorder, therefore other genes in the 21q22 region could be associated with bipolar illness in some families, likely in the context of a multifactorial transmission model.
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Affiliation(s)
- Mario Amore
- Institute of Psychiatry, University of Parma, p.zza Matteotti, 9, 43100, Italy.
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673
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Prieto L, Sacristán JA, Hormaechea JA, Casado A, Badia X, Gómez JC. Psychometric validation of a generic health-related quality of life measure (EQ-5D) in a sample of schizophrenic patients. Curr Med Res Opin 2004; 20:827-35. [PMID: 15200739 DOI: 10.1185/030079904125003674] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate the construct validity of a generic health related quality of life (HRQOL) instrument - the EQ-5D - in a sample of schizophrenic patients receiving antipsychotic treatment. RESEARCH DESIGN AND METHODS A total of 2128 schizophrenic patients treated with olanzapine, 417 treated with risperidone, and 112 with haloperidol responded to the EQ-5D. The study also assessed the effect of patient age, gender, and co-morbidity variables on patient's HRQOL Main outcomes measures: EQ-5D scores at the start of treatment and after 3 and 6 months of therapy were compared with results from the Clinical Global Impression (CGI) severity of illness scale and the (GAF) scale. The effect of antipsychotics and sociodemographic variables on patient's HRQOL over time was tested through a three-factor doubly multivariate repeated measures MANCOVA. RESULTS High scores in the GAF scale and low scores in the CGI were linked with high scores on the EQ-5D scale. The correlational effects observed between the EQ-5D and the clinical indices ranged from 0.33 to 0.54. A significant effect of 'visit time' as well as an interaction of 'visit time' x drug, 'visit time' x gender, and 'visit time' x co-morbidity was observed. CONCLUSIONS Results suggest the EQ-5D is a valid instrument capable of detecting HRQOL differences between schizophrenic patients with different degrees of severity of illness.
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Affiliation(s)
- L Prieto
- Clinical Research Department, Lilly S A Madrid, Spain.
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674
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Sachs G, Chengappa KNR, Suppes T, Mullen JA, Brecher M, Devine NA, Sweitzer DE. Quetiapine with lithium or divalproex for the treatment of bipolar mania: a randomized, double-blind, placebo-controlled study. Bipolar Disord 2004; 6:213-23. [PMID: 15117400 DOI: 10.1111/j.1399-5618.2004.00115.x] [Citation(s) in RCA: 153] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVE Evaluate the efficacy and tolerability of quetiapine (QTP) combined with lithium (Li) or divalproex (DVP) in the treatment of acute mania. METHODS Patients were randomized to 21 days of double-blind treatment with QTP plus Li/DVP, or placebo (PBO) plus Li/DVP. QTP was rapidly dosed up to a maximum of 800 mg/day; Li was dosed to 0.7-1.0 mEq/L; or DVP to 50-100 microg/mL. RESULTS Fifty-six of 91 (61.5%) individuals in the QTP + Li/DVP group compared with 49 of 100 (49%) taking PBO + Li/DVP completed the study. A significantly greater mean reduction in total Young Mania Rating Scale (YMRS) score was observed at end-point in patients receiving QTP + Li/DVP compared with those in the PBO + Li/DVP group (-13.76 versus -9.93; p = 0.021). The response rate (> or =50% YMRS improvement) was significantly higher in the QTP + Li/DVP group than in PBO + Li/DVP-treated patients (54.3% versus 32.6%; p = 0.005), as was the proportion of patients achieving clinical remission (YMRS < 12) (45.7% versus 25.8%; p = 0.007). Patients receiving QTP + Li/DVP also had a significantly greater improvement in Clinical Global Impressions-Bipolar (CGI-BP) Severity of Illness scores (-1.38 versus -0.78; p = 0.001). The mean last-week dose of QTP was 584 mg/day in patients meeting response criteria. Common adverse events (at least 10% and twice the rate of Li/DVP) in the QTP + Li/DVP group included somnolence, dry mouth, asthenia, and postural hypotension. CONCLUSIONS Quetiapine combined with either Li or DVP has superior efficacy compared with Li or DVP monotherapy for treating patients with bipolar mania. Combination therapy was well-tolerated and most adverse events were mild, withdrawal because of adverse events being only 5% compared with 6% on Li or DVP monotherapy.
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Affiliation(s)
- G Sachs
- Harvard Bipolar Research Program, Massachusetts General Hospital, Boston, 02114, USA.
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675
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Pavuluri MN, Graczyk PA, Henry DB, Carbray JA, Heidenreich J, Miklowitz DJ. Child- and family-focused cognitive-behavioral therapy for pediatric bipolar disorder: development and preliminary results. J Am Acad Child Adolesc Psychiatry 2004; 43:528-37. [PMID: 15100559 DOI: 10.1097/00004583-200405000-00006] [Citation(s) in RCA: 165] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To describe child- and family-focused cognitive-behavioral therapy (CFF-CBT), a new developmentally sensitive psychosocial intervention for pediatric bipolar disorder (PBD) that is intended for use along with medication. CFF-CBT integrates principles of family-focused therapy with those of CBT. The theoretical framework is based on (1). the specific problems of children and families coping with bipolar disorder, (2). a biological theory of excessive reactivity, and (3). the role of environmental stressors in outcome. CFF-CBT actively engages parents and children over 12 hour-long sessions. METHOD An exploratory investigation was conducted to determine the feasibility of CFF-CBT. Participants included 34 patients with PBD (mean age 11.33 years, SD = 3.06) who were treated with CFF-CBT plus medication in a specialty clinic. Treatment integrity, adherence, and parent satisfaction were assessed. Symptom severity and functioning were evaluated before and after treatment using the severity scales of the Clinical Global Impression Scales for Bipolar Disorder (CGI-BP) and the Children's Global Assessment Scale (CGAS) respectively. RESULTS On completion of therapy, patients with PBD showed significant reductions in severity scores on all CGI-BP scales and significantly higher CGAS scores compared to pretreatment results. High levels of treatment integrity, adherence, and satisfaction were achieved. CONCLUSIONS CFF-CBT has a strong theoretical and conceptual foundation and represents a promising approach to the treatment of PBD. Preliminary results support the potential feasibility of the intervention.
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676
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Perlis RH, Smoller JW, Fava M, Rosenbaum JF, Nierenberg AA, Sachs GS. The prevalence and clinical correlates of anger attacks during depressive episodes in bipolar disorder. J Affect Disord 2004; 79:291-5. [PMID: 15023510 DOI: 10.1016/s0165-0327(02)00451-2] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2002] [Accepted: 12/16/2002] [Indexed: 11/21/2022]
Abstract
BACKGROUND Anger attacks, characterized by sudden episodes of intense anger with autonomic arousal, have been described in patients with major depressive disorder (MDD). This study compared the prevalence and clinical significance of anger attacks in unipolar versus bipolar depression. METHODS Using the questionnaire of Fava et al. [Psychopharmacol. Bull. 27(3) (1991) 275-279], we assessed rates of anger attacks among outpatients with MDD (n=50) or bipolar disorder (BPD) (n=29) who were currently in a pure depressive episode. RESULTS Anger attacks were significantly more common among bipolar (62%) than unipolar (26%) depressed individuals. In a multiple logistic regression, the presence of anger attacks emerged as a significant predictor of bipolarity. LIMITATIONS This preliminary finding should be confirmed in a larger sample. CONCLUSIONS These results suggest that anger attacks may be a common feature of bipolar depression.
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Affiliation(s)
- Roy H Perlis
- Massachusetts General Hospital Department of Psychiatry, Boston, MA, USA.
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677
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Axelson D, Birmaher BJ, Brent D, Wassick S, Hoover C, Bridge J, Ryan N. A preliminary study of the Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children mania rating scale for children and adolescents. J Child Adolesc Psychopharmacol 2004; 13:463-70. [PMID: 14977459 DOI: 10.1089/104454603322724850] [Citation(s) in RCA: 237] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To construct a mania rating scale designed for children and adolescents. METHODS Fourteen questions from the Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present Episode (K-SADS-P) 1986 version plus a new item assessing mood lability were used to construct a clinician-rated mania rating scale (K-SADS-MRS). Interrater reliability was determined prospectively with 22 patients from a bipolar outpatient clinic. Sensitivity to treatment effects was determined in a separate cohort of 23 patients. RESULTS Internal consistency (Cronbach's alpha = 0.94) and interrater reliability (intraclass correlation coefficient = 0.97 between two raters) were high. Convergent validity with the Clinical Global Impressions-Severity scale (bipolar version) was good (r(s)= 0.91, p < 0.001). Treatment responders had significantly greater reduction in K-SADS-MRS scores than nonresponders (-15.6 +/- 8.7 vs. 0.3 +/- 8.8), t(21) = 4.2, p < 0.001. The K-SADS-MRS scores differentiated bipolar patients who had clinically significant manic symptoms from those who did not, with a sensitivity of 87% and a specificity of 81%. CONCLUSION The K-SADS-MRS shows promise as a rating scale for measuring manic symptom severity in pediatric bipolar patients.
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Affiliation(s)
- David Axelson
- Division of Child Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15213, USA.
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678
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Shi L, Namjoshi MA, Swindle R, Yu X, Risser R, Baker RW, Tohen M. Effects of olanzapine alone and olanzapine/fluoxetine combination on health-related quality of life in patients with bipolar depression: Secondary analyses of a double-blind, placebo-controlled, randomized clinical trial. Clin Ther 2004; 26:125-34. [PMID: 14996525 DOI: 10.1016/s0149-2918(04)90013-6] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/05/2003] [Indexed: 11/21/2022]
Abstract
BACKGROUND Improving patients' health-related quality of life (HRQOL) could be a treatment goal for bipolar depression. OBJECTIVES The objectives of these secondary analyses of a previous report were to determine the benefits of olanzapine alone and olanzapine-fluoxetine combination (OFC) for improving HRQOL in patients with bipolar depression using both a generic and a depression-specific HRQOL instrument, and to examine the association between the 2 HRQOL instruments and the construct validity of the depression-specific HRQOL instrument. METHODS This was a double-blind, placebo-controlled, 83-site, international, randomized trial. Adults with bipolar I disorder, most recent episode depressed (according to the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition), were randomly assigned to receive olanzapine (6-20 mg/d), OFC (6/25, 12/25, or 12/50 mg/d), or placebo for 8 weeks. HRQOL improvement was calculated as last-observation-carried-forward changes in dimension and component summary scores on Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36) and total score on the Quality of Life in Depression Scale (QLDS). RESULTS Patients were assigned to receive olanzapine (n = 370), [corrected] OFC (n = 86), or placebo (n = 377) [corrected] for 8 weeks. Of 833 enrolled patients, 454 discontinued (olanzapine, 191/370 [51.6%] [corrected]OFC, 31/86 [36.0%]; and placebo, 232/377 [61.6%]) [corrected] Compared with placebo, olanzapine-treated patients exhibited greater improvements on SF-36 mental component summary (MCS) score ( P=0.002) and 3 of 8 SF-36 dimension scores (mental health [P=0.015], role-emotional [P=0.046], and social functioning [P=0.006). OFC-treated patients exhibited greater improvements on MCS score ( P<0.001) vs both placebo and olanzapine), 5 SF-36 dimension scores (general health perception (P<0.001) vs placebo; (P<0.001) vs olanzapinel, mental health [ P=0.001] vs both placebo and olanzapine], role-emotional [ P<0.001] vs placebo; [P=0.007] vs olanzapine], social functioning [ P=0.001] vs placebo; [P=0.032] vs olanzapine], and vitality [P=0.002] vs placebo; [P=0.011] vs olanzapine]), and QLDS total score ( P<0.001] vs both placebo and olanzapine). Changes in SF-36 scores of mental health, social functioning, role-emotional, and vitality were highly correlated to changes in the QLDS total score (all p < -0.5). CONCLUSIONS Based on these analyses, patients with bipolar depression receiving olanzapine or OFC for 8 weeks had greater improvement in HRQOL than those receiving placebo. OFC treatment was associated with greater improvement in HRQOL than olanzapine alone. The correlation results support the construct validity of the QLDS.
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Affiliation(s)
- Lizheng Shi
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285, USA.
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679
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Post RM, Leverich GS, Nolen WA, Kupka RW, Altshuler LL, Frye MA, Suppes T, McElroy S, Keck P, Grunze H, Walden J. A re-evaluation of the role of antidepressants in the treatment of bipolar depression: data from the Stanley Foundation Bipolar Network. Bipolar Disord 2003; 5:396-406. [PMID: 14636363 DOI: 10.1046/j.1399-5618.2003.00065.x] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES The risk-to-benefit ratio of the use of unimodal antidepressants (ADs) as adjuncts to mood stabilizers continues to be an area of controversy and disagreement among experts in the field. This paper reviews new data on: (1) depression in bipolar illness, (2) switch rates on ADs and (3) risks of AD discontinuation that are pertinent to the ongoing discussion and recommendations. METHODS In the first study reviewed, 258 outpatients with bipolar illness were assessed prospectively on a daily basis using the National Institute of Mental Health-Life Chart Method (NIMH-LCM) for 1 year. In the second study, 127 bipolar depressed patients were randomized to 10 weeks of sertraline, bupropion, or venlafaxine, as adjuncts to mood stabilizers; non-responders were re-randomized and responders were offered a year of continuation treatment. In the final study, Altshuler et al. retrospectively and prospectively assessed the risk of depressive relapses in patients who remained on ADs after 2 months of euthymia compared with those who discontinued ADs. RESULTS Despite intensive naturalistic treatment, the 258 outpatients with bipolar illness followed prospectively for 1 year showed three times as many days depressed as days manic, re-emphasizing the considerable depressive morbidity that remains in bipolar disorder despite the number of treatment options available. In the study of bipolar depressed patients randomized to one of three ADs, a range of severities and durations of hypomanic to manic switches were discerned following 175 trials of AD augmentation of treatment with a mood stabilizer. Of the acute 10-week trials, 9.1% were associated with switches into hypomania or mania and another 9.1% with a week or more of hypomania alone (with no to minimal dysfunction). In 73 continuation phase AD trials, 16.4 and 19.2% were similarly associated with hypomanic to manic and hypomanic switches, respectively. In the Altshuler et al. studies, those who remained well on any AD for more than 2 months (only 15-20% of those initially treated) and who continued on ADs showed a lesser rate of relapse into depression over 1 year (35 and 36% in the first and second study, respectively) compared with those who discontinued their ADs (68 and 70% relapsing into depression). Surprisingly, this continuation of ADs was associated with no increase in the rate of switching into mania compared with those stopping ADs. CONCLUSIONS These data reveal that depression and depressive cycling remain a substantial problem in some two-thirds of intensively treated bipolar outpatients. Acute AD augmentation was associated with a modest response rate and 18.2% switched into a hypomanic to manic episode, and 35.6% of the continuation trials showed these two types of switches. Two separate studies suggest that in the very small subgroup who remain well on ADs for at least 2 months, one should consider continuation of this AD augmentation treatment, because AD discontinuation appears associated with a substantially increased risk of depression relapse over the subsequent year with no reduced risk of switching into mania.
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Affiliation(s)
- Robert M Post
- Department of Health and Human Services, National Institutes of Health, National Institute of Mental Health, Biological Psychiatry Branch, Bethesda, MD 20892-1272, USA.
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680
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Haro JM, Kamath SA, Ochoa S, Novick D, Rele K, Fargas A, Rodríguez MJ, Rele R, Orta J, Kharbeng A, Araya S, Gervin M, Alonso J, Mavreas V, Lavrentzou E, Liontos N, Gregor K, Jones PB. The Clinical Global Impression-Schizophrenia scale: a simple instrument to measure the diversity of symptoms present in schizophrenia. Acta Psychiatr Scand Suppl 2003:16-23. [PMID: 12755850 DOI: 10.1034/j.1600-0447.107.s416.5.x] [Citation(s) in RCA: 442] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To describe the development and validation of the Clinical Global Impression-Schizophrenia (CGI-SCH) scale, designed to assess positive, negative, depressive and cognitive symptoms in schizophrenia. METHOD The CGI-SCH scale was adapted from the CGI scale. Concurrent validity and sensitivity to change were assessed by comparison with the Positive and Negative Symptom Severity (PANSS) and Global Assessment of Functioning (GAF) scales. To evaluate inter-rater reliability, all patients were assessed by two clinicians. RESULTS Symptoms were assessed in 114 patients. Correlation coefficients between the CGI-SCH and the GAF and PANSS scores were high (most above 0.75), and were highest for positive and negative symptoms. Reliability was substantial (intraclass correlation coefficient, ICC > 0.70) in all but one dimension (depressive dimension, ICC = 0.64). CONCLUSION The CGI-SCH scale is a valid, reliable instrument to evaluate severity and treatment response in schizophrenia. Given its simplicity, brevity and clinical face validity, the scale is appropriate for use in observational studies and routine clinical practice.
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Affiliation(s)
- J M Haro
- Research and Development Unit, Sant Joan de Déu-SSM, Sant Boi, Barcelona, Spain.
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681
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Post RM, Leverich GS, Altshuler LL, Frye MA, Suppes TM, Keck PE, McElroy SL, Kupka R, Nolen WA, Grunze H, Walden J. An overview of recent findings of the Stanley Foundation Bipolar Network (Part I). Bipolar Disord 2003; 5:310-9. [PMID: 14525551 DOI: 10.1034/j.1399-5618.2003.00051.x] [Citation(s) in RCA: 91] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
AIM AND METHODS Selected recent findings of the Stanley Foundation Bipolar Network are briefly reviewed and their clinical implications discussed. RESULTS Daily prospective ratings on the NIMH-LCM indicate a high degree of residual depressive morbidity (three times that of hypomania or mania) despite active psychopharmacological treatment with a variety of modalities including mood stabilizers, antidepressants, and benzodiazepines, as well as antipsychotics as necessary. The rates of switching into brief to full hypomania or mania during the use of antidepressants is described, and new data suggesting the potential utility of continuing antidepressants in the small group of patients showing an initial acute and persistent response is noted. Bipolar patients with a history of major environmental adversities in childhood have a more severe course of illness and an increased incidence of suicide attempts compared with those without. Preliminary open data suggest useful antidepressant effects of the atypical antipsychotic quetiapine, while a double-blind randomized controlled study failed to show efficacy of omega-3 fatty acids (6 g of eicosapentaenoic acid compared with placebo for 4 months) in the treatment of either acute depression or rapid cycling. The high prevalence of overweight and increased incidence of antithyroid antibodies in patients with bipolar illness is highlighted. CONCLUSIONS Together, these findings suggest a very high degree of comorbidity and treatment resistance in outpatients with bipolar illness treated in academic settings and the need to develop not only new treatment approaches, but also much earlier illness recognition, diagnosis, and intervention in an attempt to reverse or prevent this illness burden.
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Affiliation(s)
- Robert M Post
- Stanley Foundation Bipolar Network and Biological Psychiatry Branch, NIMH, NIH, DHHS, Bethesda, MD 20892-1272, USA.
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682
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Lindenmayer JP, Czobor P, Alphs L, Nathan AM, Anand R, Islam Z, Chou JCY. The InterSePT scale for suicidal thinking reliability and validity. Schizophr Res 2003; 63:161-70. [PMID: 12892870 DOI: 10.1016/s0920-9964(02)00335-3] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
BACKGROUND The InterSePT Scale for Suicidal Thinking (ISST) is a 12-item instrument for the assessment of current suicidal ideation in patients with schizophrenia and schizoaffective disorders. We report the psychometric characteristics of this new scale based on two studies. METHOD In Study 1, 22 inpatients with schizophrenia and schizoaffective disorders, who had recently attempted suicide or engaged in suicidal ideation, were rated by three trained independent raters to examine interrater reliability. In Study 2, a total of 980 patients with schizophrenia or schizoaffective disorder with a history of suicidal ideation in the past 36 months were enrolled in a 2-year industry-sponsored suicide prevention study. At baseline, these patients were administered the ISST and the Clinical Global Impression Scale for Severity of Suicidality (CGI-SS) by the Principal Investigator (PI) and by a blinded rater (BR), who also administered the Positive and Negative Symptom Scale (PANSS), the Calgary Depression Scale (CDS), and the Scale of Functioning (SOF). Indices of internal reliability, construct and discriminant validity were examined. RESULTS The intraclass correlation coefficient (ICC) for the total ISST score for the 22 subjects in Study 1 was 0.90 and mean weighted item kappa coefficients ranged from 0.66 to 0.92. In Study 2, internal reliability (Cronbach alpha) was high, ranging from 0.86 to 0.89 for the individual items, and the overall Cronbach alpha coefficient for all items was 0.88. The ISST (PI) total score was highly correlated with the CGI-SS by the blind rater (r = 0.61, p < 0.0001). ISST total scores significantly differentiated the different levels of CGI-SS (F = 519.2; p < 0.0001). Results of construct and discriminant validity analyses are also presented. CONCLUSION The ISST is a reliable and valid instrument for the assessment of current suicidal thinking in patients with schizophrenia and schizoaffective disorder by both clinicians and researchers.
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683
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Sokolski KN, Denson TF. Adjunctive quetiapine in bipolar patients partially responsive to lithium or valproate. Prog Neuropsychopharmacol Biol Psychiatry 2003; 27:863-6. [PMID: 12921920 DOI: 10.1016/s0278-5846(03)00145-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Despite therapeutic treatment with lithium or valproate, patients with bipolar I disorder often require adjunctive therapy to treat persistent symptoms. In order to evaluate the effects of quetiapine for bipolar symptoms inadequately responsive to mood stabilizers, a retrospective chart review was undertaken at the Veterans Affairs (VA) Long Beach Mood Disorders Clinic for all bipolar I outpatients who had been prescribed adjunctive quetiapine during an 18-month study period. Among 75 lithium- or valproate-treated patients receiving quetiapine, 16 were identified in whom therapeutic treatment with lithium (> or =0.8 meq/l) or valproate (> or =75 microg/ml) could be verified during the 2-month period prior to quetiapine initiation. Chart notes were utilized by the principal investigator to assign Clinical Global Impression Bipolar ratings (CGI-BP) before and after 30-120 days of quetiapine treatment (mean=173+/-157 mg). Nine of 16 lithium- or valproate-stabilized bipolar patients (56%) were judged much or very much improved in CGI-BP overall ratings following adjunctive quetiapine. In addition, for the entire sample, quetiapine augmentation resulted in significant improvements in clinician-rated bipolar severity scores (CGI-BP) for mania, depression, and overall bipolar illness. The majority of quetiapine-related symptomatic improvement was due to diminished insomnia, agitation, irritability, and mood disturbance. Side effects were mild and transitory including sedation and dizziness. Low-dose quetiapine may be a useful and well-tolerated adjunct for some bipolar patients with incomplete response to lithium or valproate.
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Affiliation(s)
- Kenneth N Sokolski
- Department of Psychiatry, Veterans Affairs Healthcare System, Long Beach, CA 90822, USA.
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684
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Baldessarini RJ, Hennen J, Wilson M, Calabrese J, Chengappa R, Keck PE, McElroy SL, Sachs G, Vieta E, Welge JA, Yatham LN, Zarate CA, Baker RW, Tohen M. Olanzapine versus placebo in acute mania: treatment responses in subgroups. J Clin Psychopharmacol 2003; 23:370-6. [PMID: 12920413 DOI: 10.1097/01.jcp.0000085410.08426.9a] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Two double-blind, placebo-controlled trials of olanzapine in acute mania showed significant overall antimanic efficacy, based on reductions in mania ratings. Their subject-level data were pooled to increase statistical power to test for differences in treatment responses among 10 subgroup pairs of interest using generalized estimating equations methods. Similar drug/placebo superiority and responsiveness to olanzapine was found in men versus women, psychotic versus nonpsychotic subjects, and those presenting in mania versus mixed states, and responses were independent of onset age, current age, or prior illness based on episodes, hospitalizations, recent rapid cycling, lifetime substance use, or previous antipsychotic treatment. Olanzapine and placebo responses paralleled closely (r(s) = 0.73). Patients were relatively more responsive to olanzapine who were younger at illness onset, lacked prior substance abuse, and had not previously received antipsychotic treatment (efficacy ratios 1.5-1.7, all P < 0.01). These well-powered comparisons of subgroups of interest indicate broad efficacy of olanzapine in the treatment of acute mania.
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Affiliation(s)
- Ross J Baldessarini
- International Consortium for Bipolar Disorder Research, Department of Psychiatry and Neuroscience Program, Harvard Medical School, Boston, MA, USA.
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685
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DelBello MP, Kowatch RA, Warner J, Schwiers ML, Rappaport KB, Daniels JP, Foster KD, Strakowski SM. Adjunctive topiramate treatment for pediatric bipolar disorder: a retrospective chart review. J Child Adolesc Psychopharmacol 2003; 12:323-30. [PMID: 12625992 DOI: 10.1089/104454602762599862] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE The objective of this study was to evaluate the effectiveness, safety, and tolerability of the anticonvulsant agent, topiramate, as adjunctive treatment for children and adolescents with bipolar disorders. METHODS The outpatient medical charts of children and adolescents with a Diagnostic and Statistical Manual of Mental Disorders (4th ed.) diagnosis of bipolar disorder, type I or II, and who were treated with topiramate were retrospectively reviewed by two child and adolescent psychiatrists using the Clinical Global Impression (CGI) scale and the Clinical Global Assessment Scale (CGAS). Separate CGI ratings were made for mania and overall bipolar illness. RESULTS Twenty-six patients (mean age 14 +/- 3.5 years) with bipolar disorder, type I (n = 23) or II (n = 3), who had been treated (mean duration 4.1 +/- 6.1 months) with topiramate (mean dose 104 +/- 77 mg/day) were identified. Response rate (defined by a CGI-Improvement score of < or = 2 at endpoint) was 73% for mania and 62% for overall illness. CGAS scores significantly improved from baseline to endpoint. No serious adverse events were reported. CONCLUSIONS Although controlled trials are necessary, this retrospective study suggests that topiramate is effective and well tolerated as an adjunctive treatment for children and adolescents with bipolar disorder.
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Affiliation(s)
- Melissa P DelBello
- Bipolar and Psychiatric Disorders Research Program, Department of Psychiatry, University of Cincinnati, College of Medicine, Cincinnati, Ohio 45267, USA.
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686
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Abstract
BACKGROUND Assessment of therapeutic interventions in bipolar disorder is complicated by rapid, complex clinical changes, high placebo-response rates, and varying times to specific levels of clinical recovery that may not be adequately reflected in averaged rating-scale scores particularly in acute mania, calling for improved methods to evaluate treatment responses. Chengappa et al. (1). propose operational criteria for specific outcomes based on rating-scale data from two placebo-controlled trials of olanzapine in mania. METHODS These trials and other recent research were considered in commenting on the design, conduct, analysis and interpretation of experimental therapeutic trials in mania and to optimize olanzapine versus placebo contrasts by systematically varying end-point criteria for mania (YMRS) and depression (HDRS) ratings. RESULTS Olanzapine versus placebo responses were optimally separated at scores of 10 for final paired mania and depression ratings, or 5 for each rating scale considered separately. CONCLUSIONS Use of empirically determined end-points derived from standard rating scales used in experimental therapeutics research in mood disorders can improve both outcome-assessment and separation of active treatment from placebo responses in acute mania.
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Affiliation(s)
- Ross J Baldessarini
- Department of Psychiatry and Neuroscience Program, Harvard Medical School, Boston, MA, USA.
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687
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Haro JM, Edgell ET, Jones PB, Alonso J, Gavart S, Gregor KJ, Wright P, Knapp M. The European Schizophrenia Outpatient Health Outcomes (SOHO) study: rationale, methods and recruitment. Acta Psychiatr Scand 2003; 107:222-32. [PMID: 12580830 DOI: 10.1034/j.1600-0447.2003.00064.x] [Citation(s) in RCA: 82] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE The objective of the European Schizophrenia Outpatient Health Outcomes (SOHO) study is to understand the comparative costs and outcomes of antipsychotic drug treatment, with specific focus on olanzapine. The study will also provide a large database for research into the treatment and outcome of schizophrenia. The role of observational studies in the assessment of the effectiveness of antipsychotic agents is reviewed, and the rationale, design and recruitment issues surrounding the SOHO study are presented. METHOD SOHO is a 3-year, prospective, observational study of the health outcomes associated with antipsychotic treatment in Europe. RESULTS Over 10 000 patients have been recruited from 10 countries. Baseline evaluation included measures of clinical status, social functioning, quality of life, service use and pharmacological treatment. Patients will be followed for 3 years. CONCLUSION The SOHO study will complement randomized controlled trial findings on the treatment of schizophrenia and will address relevant clinical and policy research questions.
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Affiliation(s)
- J M Haro
- Research and Development Unit, Sant Joan de Déu-SSM, Sant Boi, Barcelona, Spain.
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688
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Brown ES, Rush AJ, Biggs MM, Shores-Wilson K, Carmody TJ, Suppes T. Clinician ratings vs. global ratings of symptom severity: a comparison of symptom measures in the bipolar disorder module, phase II, Texas Medication Algorithm Project. Psychiatry Res 2003; 117:167-75. [PMID: 12606018 DOI: 10.1016/s0165-1781(02)00322-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study compares ratings obtained with an itemized, clinician-rated, symptom severity measure--the 24-item Brief Psychiatric Rating Scale (BPRS(24))--to a Physician Global Rating Scale (PhGRS), a Patient Global Rating Scale (PtGRS) and the clinician-completed Multnomah Community Ability Scale (MCAS) in patients with bipolar disorder (BPD). A total of 69 patients (25 inpatients and 44 outpatients) with BPD were enrolled in a feasibility study of the use of medication algorithms in the treatment of BPD. Clinicians at each visit completed the BPRS(24), PhGRS and MCAS, and patients completed the PtGRS. Analyses compared the BPRS(24) and BPRS subscales with the PtGRS, PhGRS and MCAS. PtGRS scores correlated poorly with BPRS(24) and with PhGRS scores at baseline, although PtGRS change scores correlated moderately with BPRS(24) change scores. Baseline BPRS(24) and PhGRS scores correlated moderately at baseline with somewhat stronger correlations found on change scores for the two measures. MCAS scores showed moderate correlations with BPRS(24) scores both at baseline and with change over time. Global assessments by patients or physicians only moderately or poorly reflected BPRS(24) scores. Itemized symptom measures to gauge severity of illness or change over time are preferred over patient or physician global judgments.
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Affiliation(s)
- E Sherwood Brown
- Department of Psychiatry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, 75390-8849, Dallas, TX, USA
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689
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Chengappa KNR, Baker RW, Shao L, Yatham LN, Tohen M, Gershon S, Kupfer DJ. Rates of response, euthymia and remission in two placebo-controlled olanzapine trials for bipolar mania. Bipolar Disord 2003; 5:1-5. [PMID: 12656931 DOI: 10.1034/j.1399-5618.2003.02237.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Clinically meaningful recovery from acute mania may not be captured by conventionally reported response categorizations. We defined new and stringent criteria for remission in bipolar mania. Using a cohort of patients with acute mania randomized to treatment with either olanzapine or placebo, we contrasted remission rates to findings using previously reported but more lenient categorical outcome measures of response and euthymia. METHODS We pooled and reanalyzed results through 3 weeks from two published randomized double-blind trials of olanzapine versus placebo for treating acute bipolar mania (1, 2). Response was previously defined as > or = 50% decrease from baseline to endpoint total Young Mania Rating Scale (3) (Y-MRS) scores, and euthymia as an endpoint total Y-MRS score of < or = 12. In this report, remission required an endpoint total Y-MRS score of < or = 7, and an endpoint total Hamilton Depression Rating Scale, (HAM-D21) (4) score of < or = 7 and an endpoint Clinical Global Impression Scale - Bipolar version, CGI-BP (5), overall severity score of < or = 2. RESULTS Olanzapine treated subjects achieved statistically significantly greater rates of clinical response, euthymia and remission than those assigned to placebo, 55% versus 29.5%, 50% versus 27%, and 18% versus 7%, respectively. CONCLUSIONS Olanzapine monotherapy resulted in discernable clinical improvements in mania in over 50% of subjects and just under 20% of subjects achieved a near complete resolution of manic and accompanying depressive symptoms after 3 weeks of treatment. Full remission is an important but potentially elusive goal during short-term management of acute mania.
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Affiliation(s)
- K N Roy Chengappa
- Western Psychiatric Institute & Clinic, Mayview State Hospital, University of Pittsburgh Medical Center, PA 15213-2593, USA.
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690
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Frye MA, Pazzaglia PJ, George MS, Luckenbaugh DA, Vanderham E, Davis CL, Rubinow DR, Post RM. Low CSF somatostatin associated with response to nimodipine in patents with affective illness. Biol Psychiatry 2003; 53:180-3. [PMID: 12547475 DOI: 10.1016/s0006-3223(02)01343-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND In patients with depression, treatment with nimodipine has been shown to increase cerebrospinal fluid (CSF) somatostatin (SRIF) and ameliorate baseline global cerebral hypometabolism. This study was conducted to assess whether a low baseline level of CSF SRIF was associated with response to nimodipine treatment. METHODS Twenty-one depressed patients underwent lumbar puncture for analysis of CSF somatostatin-like immunoreactivity (SRIF-LI) during a medication-free period and after at least 6 weeks of nimodipine monotherapy. Twenty-five healthy control subjects were utilized as a comparison group. Clinical improvement was assessed using the Clinical Global Impression Scale for Bipolar Illness. RESULTS As predicted, baseline CSF SRIF-LI was significantly lower in eventual nimodipine responders (33.1 +/- 2.8 pg/mol) compared to eventual nonresponders [41.9 +/- 2.6 pg/mL; t(19) = 1.98, p =.03, one-tailed]. CONCLUSIONS Low baseline CSF somatostatin in depression may be associated with response to nimodipine, which in turn may be related to the ability of nimodipine to increase CSF somatostatin.
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Affiliation(s)
- Mark A Frye
- UCLA Neuropsychiatric Institute, Los Angeles, California, USA
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691
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Pavuluri MN, Janicak PG, Carbray J. Topiramate plus risperidone for controlling weight gain and symptoms in preschool mania. J Child Adolesc Psychopharmacol 2003; 12:271-3. [PMID: 12427302 DOI: 10.1089/104454602760386978] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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692
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Abstract
Two National Institute of Mental Health-sponsored meetings of experts on bipolar illness (in 1989 and 1994) noted a paucity of clinical psychopharmacological trials in this illness which has now extended over the past two decades. One of the reasons elucidated for this neglect was a lack of agreement in the field as to what constituted an optimal clinical trial design, consequently resulting in low-priority scores for funding of studies in bipolar illness. In this paper, we note some of the characteristics of bipolar illness that make it particularly difficult to study and find such agreed upon trial designs. Some of the assets and liabilities of the well-accepted traditional parallel group, placebo-controlled, randomized clinical trial (RCT) are reviewed, and a series of other potential design options, such as crossover, enrichment, off-on-off-on (B-A-B-A), and N-of-1 trials, are discussed that may help to better address some of the unique clinical characteristics of bipolar illness. Finally, a variety of statistical approaches to analyzing data in off-on-off-on trial designs, and in helping to predetermine necessary durations of clinical trials in individual patients with bipolar disorders, are suggested. Acceptance of a wider variety of clinical trial designs may help facilitate the funding and accelerate the acquisition of new data on treatment of bipolar illness.
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Affiliation(s)
- Robert M Post
- Biological Psychiatry Branch, National Institute of Mental Health, National Institutes of Health, Bldg. 10, Rm. 3S239, 10 Center Drive, MSC-1272, Bethesda, MD 20892-1272, USA.
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693
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Macritchie K, Geddes JR, Scott J, Haslam D, de Lima M, Goodwin G. Valproate for acute mood episodes in bipolar disorder. Cochrane Database Syst Rev 2003:CD004052. [PMID: 12535506 DOI: 10.1002/14651858.cd004052] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Bipolar disorder is a common debilitating illness, characterised by acute affective episodes with full or partial inter-episode remission. Effective and acceptable treatment of acute episodes is required. Valproate has become a leading adjunctive and alternative mood stabilising treatment to lithium in bipolar disorder. OBJECTIVES To determine the efficacy and acceptability of valproate in the treatment of acute episodes of bipolar disorder. SEARCH STRATEGY The search included the Cochrane Collaboration Depression, Anxiety and Neurosis Controlled Trials Registrar (CCDANCTR), the Cochrane Controlled Clinical Trials Register (CCTR), reference lists of relevant papers and books, and contact with authors of trials, experts and pharmaceutical companies. SELECTION CRITERIA Randomised controlled trials comparing valproate with placebo, other mood stabilisers and antipsychotic medication in the treatment of any bipolar affective episode. Participants were of both sexes, of all ages, with a diagnosis of bipolar affective disorder approximating to ICD 10 Code F31 and DSM IV 296. DATA COLLECTION AND ANALYSIS Methodological quality was assessed independently by two reviewers blind to the authorship and source of papers. Ten randomised controlled trials were found comparing valproate with other interventions in mania. None was found examining its use in depression or mixed affective episodes. Data were extracted on the main outcome 'failure to respond by the end of the study' assessed by a less than 50% reduction in the Young Mania Rating Scale or the SADS-S mania scale. Three trials (316 participants) compared valproate with placebo. Three trials (158 participants) compared valproate with lithium. Two trials (363 participants) compared valproate with olanzapine. One trial (36 participants) compared valproate with haloperidol. Two trials (59 patients) compared valproate with carbamazepine. Acceptability of treatment was estimated using the outcome measure 'total number of subjects withdrawing from the study'. Three trials (321 patients) contributed to the comparison between valproate and placebo, two studies (144 patients) contributed to the comparison with lithium. One study (30 patients) provided data on this outcome in the comparison between valproate and carbamazepine. Pooled relative risks (with 95% confidence intervals) were calculated using fixed effect approaches. MAIN RESULTS Valproate was more efficacious than placebo (RRR 38%; RR 0.62; 95% C.I. 0.51 to 0.77) in the treatment of mania. There was no significant difference between valproate and lithium (RRI 5%; RR 1.05; 95% C.I. 0.74-1.50) or between valproate and carbamazepine (RRR 34%; RR 0.66; 95% C.I. 0.38 to 1.16). Valproate was less effective than olanzapine (failure to achieve clinical response; RRI 25%; RR 1.25, 95% C.I. 1.01 to 1.54; average of 2.8 point less change on the Mania Rating Scale (95% CI 0.83 to 4.79). There were no significant differences in acceptability as measured by total number of subjects withdrawing from the study. There were significant differences in the side effect profiles of valproate and olanzapine, with more sedation and weight gain on olanzapine. REVIEWER'S CONCLUSIONS There is consistent, if limited, evidence to suggest that valproate is an efficacious treatment for acute mania. Valproate may be less effective than olanzapine but may cause less sedation and weight gain. More well designed, randomised controlled trials investigating the relative efficacy and acceptability of valproate in the treatment of the full range of acute affective episodes occurring in bipolar disorder are required.
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Affiliation(s)
- K Macritchie
- Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, OXON, UK, OX3 7JX.
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694
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Sanger TM, Tohen M, Vieta E, Dunner DL, Bowden CL, Calabrese JR, Feldman PD, Jacobs TG, Breier A. Olanzapine in the acute treatment of bipolar I disorder with a history of rapid cycling. J Affect Disord 2003; 73:155-61. [PMID: 12507748 DOI: 10.1016/s0165-0327(02)00334-8] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND A substantial proportion of patients with bipolar disorder are characterized by a rapidly cycling course and are particularly resistant to conventional treatment. METHODS This secondary analysis, defined a priori, was conducted on a larger data set from patients with bipolar I disorder to determine the efficacy of a 3-week treatment with the atypical antipsychotic olanzapine (5-20 mg/day, n=19) versus placebo (n=26) in patients with >or=4 episodes in the preceding year. RESULTS Significantly fewer placebo patients completed treatment (34.6 vs. 73.7%, P=0.016), and more than half discontinued due to lack of efficacy (53.8 vs. 21.1%, P=0.035). Olanzapine reduced Young Mania Rating Scale (YMRS) total scores significantly more than placebo (-13.9 vs. -4.1, P=0.011). Clinical responses, defined as >or=50% improvement in YMRS, were achieved in 58% of olanzapine patients, compared with 28% of placebo patients (P=0.066). Extrapyramidal symptoms were not significantly changed in either group. Somnolence was the most common adverse event in both groups (olanzapine: 52.6%, placebo: 23.1%; P=0.060). No event occurred significantly more frequently with olanzapine than with placebo. No patients discontinued due to an adverse event. LIMITATIONS The duration of this study was limited to 3 weeks, precluding conclusions about long-term efficacy of olanzapine. Moreover, a sizeable placebo effect was obtained, possibly masking optimal therapeutic effect. Despite these limitations, treatment differences in efficacy were highly significant. CONCLUSIONS These results indicate that olanzapine was effective in reducing symptoms of mania and well tolerated in patients with bipolar I disorder with a rapid-cycling course.
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Affiliation(s)
- Todd M Sanger
- Lilly Research Laboratories, Indianapolis, IN 46285, USA
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695
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Abstract
Lithium alone or in combination with other psychotherapeutic drugs has long been the gold standard of management for bipolar disorder (BD). Recognition of its limitations in the acute and chronic management of BD has led to the development of alternative therapies. One such approach involves the use of antiepileptic drugs (AEDs). The AED topiramate is currently being studied in the efficacy and management of BD. Topiramate has mechanisms in common with other AEDs, including sodium channel-blocking activity and enhancement of cerebral GABA concentrations. Open-label trials have evaluated topiramate at mean daily doses of 100 to 300 mg in various BD subtypes, including acute mania, depression, rapid-cycling, mixed states, and BD refractory to other medications. Results from these trials suggest topiramate may be efficacious in BD subtypes, particularly in rapid-cycling patients and those refractory to conventional treatment. Its side effect profile appears benign when used as monotherapy or in combination with other mood stabilizers. Placebo-controlled, double-blind studies are warranted to evaluate topiramate further in BD.
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Affiliation(s)
- Trisha Suppes
- Department of Psychiatry, Bipolar Disorder Clinic and Research Program, University of Texas Southwestern Medical Center, Dallas 75390-9070, USA.
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696
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Hummel B, Walden J, Stampfer R, Dittmann S, Amann B, Sterr A, Schaefer M, Frye MA, Grunze H. Acute antimanic efficacy and safety of oxcarbazepine in an open trial with an on-off-on design. Bipolar Disord 2002; 4:412-7. [PMID: 12519102 DOI: 10.1034/j.1399-5618.2002.02228.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
RATIONALE AND OBJECTIVES Carbamazepine has shown reasonable antimanic properties, but its use has been limited because of enzyme-inducing effects. The keto-derivative oxcarbazepine (OXC) is very similar to carbamazepine, however, the metabolic pathway is different. OXC is not metabolized to the 10, 11-epoxide, which seems to be responsible for several undesirable side-effects of carbamazepine and furthermore OXC has less enzyme-inducing properties. METHODS In this non-random open label study, patients were treated with OXC for 14 days, crossed over to no OXC for 7 days, and then crossed back over to OXC for the remaining 14 days. OXC was titrated to a final dose in a range of 900-2100 mg due to individual response. Treatment success was defined as a reduction of the original Young Mania Rating Scale (YMRS) score of more than 50% at the end of study period. RESULTS Four of the 12 included patients (33%) met defined response criteria at the end of study period. Fifty percentage of the patients had to be prematurely excluded from the trial. The mean YMRS scores of the on-periods were obviously different from the off-period. Forty-two percentage of the patients experienced side-effects leading to premature discontinuation in two of 12 patients. CONCLUSION Antimanic activity of OXC was demonstrated in this pilot study only for patients with mild or moderate manic symptoms. Further studies are encouraged to clarify OXC's role as mood-stabilizer and assess whether it has a profile similar to that of carbamazepine.
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Affiliation(s)
- Barbara Hummel
- Stanley Foundation Bipolar Network Centers, Department of Psychiatry, LMU Munich, Germany.
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697
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Post RM, Denicoff KD, Leverich GS, Altshuler LL, Frye MA, Suppes TM, Keck PE, McElroy SL, Kupka R, Nolen WA, Grunze H, Walden J. Presentations of depression in bipolar illness. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s1566-2772(02)00039-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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698
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Post RM, Speer AM, Obrocea GV, Leverich GS. Acute and prophylactic effects of anticonvulsants in bipolar depression. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s1566-2772(02)00047-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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699
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Altshuler L, Mintz J, Leight K. The Life Functioning Questionnaire (LFQ): a brief, gender-neutral scale assessing functional outcome. Psychiatry Res 2002; 112:161-82. [PMID: 12429362 DOI: 10.1016/s0165-1781(02)00180-4] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The Life Functioning Questionnaire (LFQ) is a 5-min, 14-item, gender-neutral self-report questionnaire designed to assess role function over the preceding month in four domains: workplace, duties at home, leisure time with family and leisure time with friends. To validate the LFQ for use as an instrument assessing functional outcome in patients with a mood disorder, the LFQ was administered to three different samples of patients (N=87). Fifty-nine concurrently completed the self-report version of the Social Adjustment Scale (SAS-SR) and 32 concurrently had a Clinical Global Impression Scale for Bipolar Disorder (CGI-BP) assessment. The LFQ proved to have high internal consistency reliability, high test-retest reliability, excellent concurrent validity with the SAS-SR, and high validity as a measurement of severity of illness when compared with the CGI-BP. The LFQ provides a reliable, consistent and valid assessment of function at work and home in both male and female patients with a mood disorder.
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Affiliation(s)
- Lori Altshuler
- Department of Psychiatry and Biobehavioral Sciences, University of California, 300 UCLA Medical Plaza, Mood Disorders Research Program, Los Angeles 90095, USA.
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700
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Suppes T, Chisholm KA, Dhavale D, Frye MA, Altshuler LL, McElroy SL, Keck PE, Nolen WA, Kupka R, Denicoff KD, Leverich GS, Rush AJ, Post RM. Tiagabine in treatment refractory bipolar disorder: a clinical case series. Bipolar Disord 2002; 4:283-9. [PMID: 12479659 DOI: 10.1034/j.1399-5618.2002.01201.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVES Anticonvulsants have provided major treatment advances for patients with bipolar disorder. Many of these drugs, including several with proven efficacy in bipolar mania or depression, enhance the activity of the gamma-amino butyric acid (GABA) neurotransmitter system. A new anticonvulsant, tiagabine, has selective GABAergic activity and is approved for patients with partial epilepsy. Few reports of its potential effectiveness in bipolar disorder, however, have been published. We sought to evaluate the effectiveness of tiagabine added to ongoing medication regimens in patients with bipolar disorder inadequately responsive to or intolerant of usual treatments. METHODS Seventeen treatment-refractory patients participating in the Stanley Foundation Bipolar Network (SFBN) long-term follow-up study were offered open treatment with add-on tiagabine after discussion of the risks, benefits, other treatment options and giving informed consent. Patients' clinical symptoms and somatic complaints were closely monitored with SFBN longitudinal and cross-sectional ratings. Four patients discontinued low-dose tiagabine prior to the second visit and were excluded from data analysis. RESULTS Thirteen patients received a mean of 38 days of treatment at a mean dose of 8.7 mg/day of tiagabine. On the Clinical Global Impression Scale for Bipolar Disorder Overall category, three (23%) patients showed much or very much improvement and 10 (77%) patients showed no change or worsening. Three significant adverse events were noted, including two presumptive seizures. CONCLUSIONS Open add-on tiagabine for treatment-refractory patients with bipolar disorder demonstrated limited efficacy with the majority of patients showing no change or worsening of clinical symptoms. In addition, patients experienced serious side-effects attributed as likely due to the medication, which resolved without lasting consequence when tiagabine was discontinued.
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Affiliation(s)
- Trisha Suppes
- Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas, TX 75390-9070, USA.
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