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Ward K, Citrome L. Tolerability and safety outcomes of first-line oral second-generation antipsychotics in patients with schizophrenia. Expert Opin Drug Saf 2024; 23:399-409. [PMID: 38467517 DOI: 10.1080/14740338.2024.2328812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 03/05/2024] [Indexed: 03/13/2024]
Abstract
INTRODUCTION Antipsychotics are the foundation of pharmacologic treatment for schizophrenia. There are many oral antipsychotics available and given that these medications are generally considered comparably efficacious when titrated to an adequate dose, their varied tolerability, and safety profiles become critically important for medication selection. AREAS COVERED This paper reviews tolerability and safety considerations for first-line second-generation oral antipsychotics currently approved for the treatment of schizophrenia in the USA. Excluded from consideration are clozapine and non-oral formulations. EXPERT OPINION Among antipsychotics, there are many differences in adverse reactions observed in clinical trials, such as variable likelihood to cause sedation vs insomnia, weight gain and abnormalities in glucose/lipid metabolism, hyperprolactinemia, potential for impact on the QT interval, and motoric adverse effects. Additional safety data that can help with medication selection include safety in pregnancy and lactation, and potential for drug-drug interactions. Ultimately, working with patients to personalize treatment by focusing on safety and individual tolerability considerations for various adverse effects can help in building a therapeutic alliance and improving patients' outcomes.
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Affiliation(s)
- Kristen Ward
- Clinical Pharmacy Department, University of Michigan College of Pharmacy, Ann Arbor, MI, USA
| | - Leslie Citrome
- Department of Psychiatry and Behavioral Science, New York Medical College, Valhalla, NY, USA
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Berg M, Riehle M, Rief W, Lincoln T. Does partial blockade of dopamine D2 receptors with Amisulpride cause anhedonia? An experimental study in healthy volunteers. J Psychiatr Res 2023; 158:409-416. [PMID: 36680855 DOI: 10.1016/j.jpsychires.2023.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/22/2022] [Accepted: 01/09/2023] [Indexed: 01/12/2023]
Abstract
BACKGROUND Anhedonia is a frequent cause of functional impairment in psychosis. Although it is plausible that medication-induced D2 receptor blockade could diminish hedonic responding, there is little experimental research testing this hypothesis in humans. METHODS To inspect possible effects of partial D2 blockade on hedonic experiences, we administered 300 mg of Amisulpride or placebo to 85 participants in a randomized, double-blind, placebo-controlled trial. Participants were then subjected to an emotional evocation task utilizing standardized pictorial pleasant, neutral, and unpleasant stimuli. RESULTS We observed lower positivity ratings in the Amisulpride group compared to placebo across all stimulus categories (p = .026, f = 0.25) and no group differences in negativity or arousal ratings. The Amisulpride group also showed lower electrodermal responses across all stimulus categories compared to placebo (p = .017, f = 0.27). The electrodermal response was especially diminished for pleasant stimuli. CONCLUSION We interpret our findings as evidence that D2 blockade via Amisulpride can reduce at-the-moment hedonic responsivity in healthy volunteers. If these results can be confirmed in drug-naïve clinical samples, this would indicate that antipsychotic medication contributes to clinical anhedonia, probably via antagonistic effects at the dopamine D2 receptor.
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Affiliation(s)
- Max Berg
- Philipps-University of Marburg, Dept. of Psychology, Division of Clinical Psychology and Psychotherapy, Gutenbergstraße 18, D-35032, Marburg, Germany.
| | - Marcel Riehle
- Universität Hamburg, Dept. of Psychology, Clinical Psychology and Psychotherapy, Von-Melle-Park 5, D-20146, Hamburg, Germany
| | - Winfried Rief
- Philipps-University of Marburg, Dept. of Psychology, Division of Clinical Psychology and Psychotherapy, Gutenbergstraße 18, D-35032, Marburg, Germany
| | - Tania Lincoln
- Universität Hamburg, Dept. of Psychology, Clinical Psychology and Psychotherapy, Von-Melle-Park 5, D-20146, Hamburg, Germany
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3
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Kennedy SH. Beyond Response: Aiming for Quality Remission in Depression. Adv Ther 2022; 39:20-28. [PMID: 35247185 PMCID: PMC9015986 DOI: 10.1007/s12325-021-02030-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/17/2021] [Indexed: 11/23/2022]
Abstract
To define treatment response in depression as at least a 50% reduction in total symptom severity is to accept that up to half of patients will continue to have residual symptoms, most commonly low mood/loss of interest, cognitive problems, lack of energy, and difficulty sleeping. In fact, patients’ goals for treatment are to return to premorbid levels of functioning. This highlights the importance of assessing both functional outcomes and symptom improvement when evaluating the efficacy of antidepressant medication. Not all patients who achieve symptomatic response/remission will achieve a functional response/remission. In two studies (one with agomelatine and one with escitalopram), 54% of patients receiving agomelatine and 47% of those receiving escitalopram achieved a symptomatic response, and 53% of patients in each study achieved a functional response. However, 42% of patients receiving agomelatine and 35% of those receiving escitalopram had both a symptomatic and a functional response. The four symptoms of depression with the most marked effect on function are sad mood, impaired concentration, fatigue, and loss of interest. Low energy is particularly associated with poor occupational functioning, highlighting the importance of ongoing assessment of patients with depression, focusing particular attention on the symptoms that affect their ability to function, such as fatigue. Depending on the type of residual symptoms, some patients may benefit from combination therapy, such as adding dopamine modulator therapy. Antidepressant therapy is only effective if patients continue to take their medication, and high rates of early discontinuation have been reported. Therefore, when selecting treatment for depression, physicians can maximize the likelihood of adherence and persistence by taking into account both the antidepressant efficacy of treatment, its adverse effects and acceptability to patients.
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Japanese Society of Neuropsychopharmacology: "Guideline for Pharmacological Therapy of Schizophrenia". Neuropsychopharmacol Rep 2021; 41:266-324. [PMID: 34390232 PMCID: PMC8411321 DOI: 10.1002/npr2.12193] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 06/27/2021] [Indexed: 12/01/2022] Open
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Manage antipsychotic-induced akathisia by making changes to the antipsychotic drug regimen and/or adding anti-akathisia agents. DRUGS & THERAPY PERSPECTIVES 2021. [DOI: 10.1007/s40267-020-00802-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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6
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Noel JM, Jackson CW. ASHP Therapeutic Position Statement on the Use of Antipsychotic Medications in the Treatment of Adults with Schizophrenia and Schizoaffective Disorder. Am J Health Syst Pharm 2020; 77:2114-2132. [PMID: 32871013 PMCID: PMC7499485 DOI: 10.1093/ajhp/zxaa303] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
In an effort to expedite the publication of articles related to the COVID-19 pandemic, AJHP is posting these manuscripts online as soon as possible after acceptance. Accepted manuscripts have been peer-reviewed and copyedited, but are posted online before technical formatting and author proofing. These manuscripts are not the final version of record and will be replaced with the final article (formatted per AJHP style and proofed by the authors) at a later time.
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Affiliation(s)
- Jason M Noel
- University of Maryland School of Pharmacy, Baltimore, MD
| | - Cherry W Jackson
- Auburn University Harrison School of Pharmacy, Auburn, AL.,Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, School of Medicine, Birmingham, AL
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Chow CL, Kadouh NK, Bostwick JR, VandenBerg AM. Akathisia and Newer Second‐Generation Antipsychotic Drugs: A Review of Current Evidence. Pharmacotherapy 2020; 40:565-574. [DOI: 10.1002/phar.2404] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Nour K. Kadouh
- College of Pharmacy University of Michigan Ann Arbor Michigan
| | | | - Amy M. VandenBerg
- Department of Pharmacy Services Michigan Medicine Ann Arbor Michigan
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8
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Grubor M, Zivkovic M, Sagud M, Nikolac Perkovic M, Mihaljevic-Peles A, Pivac N, Muck-Seler D, Svob Strac D. HTR1A, HTR1B, HTR2A, HTR2C and HTR6 Gene Polymorphisms and Extrapyramidal Side Effects in Haloperidol-Treated Patients with Schizophrenia. Int J Mol Sci 2020; 21:ijms21072345. [PMID: 32231051 PMCID: PMC7178229 DOI: 10.3390/ijms21072345] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/20/2020] [Accepted: 03/27/2020] [Indexed: 12/14/2022] Open
Abstract
Schizophrenia is a serious, chronic psychiatric disorder requiring lifelong treatment. Extrapyramidal side effects (EPS) are common adverse reactions to antipsychotic medications. In addition to the dopaminergic system, serotonergic mechanisms, including serotonin (5-HT) receptors, might be involved in EPS development. This study aimed to examine molecular associations of HTR1A, HTR1B, HTR2A, HTR2C and HTR6 gene polymorphisms with acute EPS in 229 male schizophrenia patients, following two weeks of haloperidol monotherapy. The Simpson-Angus Rating Scale for Extrapyramidal Side Effects (SAS), Barnes Akathisia Rating Scale (BARS) and Extrapyramidal Symptom Rating Scale (ESRS) were used to evaluate EPS severity. Genotyping was performed using real-time PCR, following extraction of blood DNA. Significant acute EPS appeared in 48.03% of schizophrenia patients. For the rs13212041 HTR1B gene polymorphism, affecting microRNA regulation of HTR1B gene expression, a higher frequency of TT carriers was found among haloperidol-treated patients with akathisia when compared to the group without akathisia symptoms. In comparison to C-allele carriers, patients carrying the TT genotype had higher akathisia severity, as determined by the SAS, BARS and ESRS scales. These molecular findings suggest potential involvement of 5-HT1B receptors in akathisia development following haloperidol treatment, as well as possible epigenetic mechanisms of serotonergic modulation associated with antipsychotic-induced EPS.
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MESH Headings
- Adult
- Antipsychotic Agents/adverse effects
- Antipsychotic Agents/therapeutic use
- Haloperidol/adverse effects
- Haloperidol/therapeutic use
- Humans
- Male
- Middle Aged
- Polymorphism, Genetic
- Receptor, Serotonin, 5-HT1A/genetics
- Receptor, Serotonin, 5-HT1B/genetics
- Receptor, Serotonin, 5-HT2A/genetics
- Receptor, Serotonin, 5-HT2C/genetics
- Receptors, Serotonin/genetics
- Schizophrenia/drug therapy
- Schizophrenia/genetics
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Affiliation(s)
- Mirko Grubor
- Faculty of Pharmacy and Biochemistry, University of Zagreb, 10 000 Zagreb, Croatia;
| | - Maja Zivkovic
- Department of Psychiatry, University Hospital Centre Zagreb, 10 000 Zagreb, Croatia; (M.Z.); (M.S.); (A.M.-P.)
| | - Marina Sagud
- Department of Psychiatry, University Hospital Centre Zagreb, 10 000 Zagreb, Croatia; (M.Z.); (M.S.); (A.M.-P.)
- School of Medicine, University of Zagreb, 10 000 Zagreb, Croatia
| | - Matea Nikolac Perkovic
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10 000 Zagreb, Croatia; (M.N.P.); (N.P.); (D.M.-S.)
| | - Alma Mihaljevic-Peles
- Department of Psychiatry, University Hospital Centre Zagreb, 10 000 Zagreb, Croatia; (M.Z.); (M.S.); (A.M.-P.)
- School of Medicine, University of Zagreb, 10 000 Zagreb, Croatia
| | - Nela Pivac
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10 000 Zagreb, Croatia; (M.N.P.); (N.P.); (D.M.-S.)
| | - Dorotea Muck-Seler
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10 000 Zagreb, Croatia; (M.N.P.); (N.P.); (D.M.-S.)
| | - Dubravka Svob Strac
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10 000 Zagreb, Croatia; (M.N.P.); (N.P.); (D.M.-S.)
- Correspondence: ; Tel.: +385-1-457-1207
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Zarkowski PA. Relative prevalence of 10 types of pharmacodynamic interactions in psychiatric treatment. Int J Psychiatry Med 2020; 55:82-104. [PMID: 31470752 DOI: 10.1177/0091217419870669] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To assess the relative prevalence and factors affecting the prescription of medication combinations with a theoretical efficacy limiting pharmacodynamic interaction, defined as two medications with opposing indications and side effects or antagonistic action at the primary receptor of mechanism of action. METHOD One hundred sixteen combinations were identified for 10 types of pharmacodynamic interactions. PubMed was searched for each combination to assess the quality of evidence either supporting clinical use or verifying reduced efficacy. Micromedex was searched to determine the presence of warnings to prescribers of reduced efficacy. The prevalence in clinical practice was determined by computer review of the Genoa Healthcare database for all prescribers at 10 participating community mental health centers. The expected prevalence was calculated as the product of the probability of each medication prescribed alone and was compared with the actual prevalence of the combination using the test of proportions. RESULTS The frequency of prescription of eight combinations met the Bonferroni corrected level of significance of p < 0.001. Four were combinations of amphetamine and D2 antagonists and each were prescribed less often than chance, p = 0.0001 consistent with epidemiological studies and multiple animal studies verifying an efficacy limiting interaction. Despite epidemiological studies indicating increased risk of accidents, alprazolam and amphetamine were prescribed more often than chance, p = 0.0001. Micromedex generated warnings for efficacy limiting interactions for five other combinations, but with no subsequent change in prescription frequency. CONCLUSIONS Neither presence of medical evidence nor warnings from Micromedex consistently affect the prescription of combinations with pharmacodynamic efficacy limiting interactions.
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Affiliation(s)
- Paul A Zarkowski
- Department of Psychiatry and Behavioral Sciences, Harborview Medical Center, University of Washington, Seattle, WA, USA
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Subeesh V, Maheswari E, Singh H, Beulah TE, Swaroop AM. Novel Adverse Events of Iloperidone: A Disproportionality Analysis in US Food and Drug Administration Adverse Event Reporting System (FAERS) Database. Curr Drug Saf 2019; 14:21-26. [DOI: 10.2174/1574886313666181026100000] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 09/28/2018] [Accepted: 10/05/2018] [Indexed: 11/22/2022]
Abstract
Background:
The signal is defined as “reported information on a possible causal relationship
between an adverse event and a drug, of which the relationship is unknown or incompletely
documented previously”.
Objective:
To detect novel adverse events of iloperidone by disproportionality analysis in FDA
database of Adverse Event Reporting System (FAERS) using Data Mining Algorithms (DMAs).
Methodology:
The US FAERS database consists of 1028 iloperidone associated Drug Event
Combinations (DECs) which were reported from 2010 Q1 to 2016 Q3. We consider DECs for
disproportionality analysis only if a minimum of ten reports are present in database for the given
adverse event and which were not detected earlier (in clinical trials). Two data mining algorithms,
namely, Reporting Odds Ratio (ROR) and Information Component (IC) were applied retrospectively in
the aforementioned time period. A value of ROR-1.96SE>1 and IC- 2SD>0 were considered as the
threshold for positive signal.
Results:
The mean age of the patients of iloperidone associated events was found to be 44years [95%
CI: 36-51], nevertheless age was not mentioned in twenty-one reports. The data mining algorithms
exhibited positive signal for akathisia (ROR-1.96SE=43.15, IC-2SD=2.99), dyskinesia (21.24, 3.06),
peripheral oedema (6.67,1.08), priapism (425.7,9.09) and sexual dysfunction (26.6-1.5) upon analysis
as those were well above the pre-set threshold.
Conclusion:
Iloperidone associated five potential signals were generated by data mining in the FDA
AERS database. The result requires an integration of further clinical surveillance for the quantification
and validation of possible risks for the adverse events reported of iloperidone.
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Affiliation(s)
- Viswam Subeesh
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bengaluru, India
| | - Eswaran Maheswari
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bengaluru, India
| | - Hemendra Singh
- Department of Psychiatry, Ramaiah Medical College, Bengaluru, India
| | - Thomas Elsa Beulah
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bengaluru, India
| | - Ann Mary Swaroop
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bengaluru, India
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11
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Sienaert P, van Harten P, Rhebergen D. The psychopharmacology of catatonia, neuroleptic malignant syndrome, akathisia, tardive dyskinesia, and dystonia. HANDBOOK OF CLINICAL NEUROLOGY 2019; 165:415-428. [PMID: 31727227 DOI: 10.1016/b978-0-444-64012-3.00025-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Although highly prevalent, motor syndromes in psychiatry and motor side effects of psychopharmacologic agents remain understudied. Catatonia is a syndrome with specific motor abnormalities that can be seen in the context of a variety of psychiatric and somatic conditions. The neuroleptic malignant syndrome is a lethal variant, induced by antipsychotic drugs. Therefore, antipsychotics should be used with caution in the presence of catatonic signs. Antipsychotics and other dopamine-antagonist drugs can also cause motor side effects such as akathisia, (tardive) dyskinesia, and dystonia. These syndromes share a debilitating impact on the functioning and well-being of patients. To reduce the risk of inducing these side effects, a balanced and well-advised prescription of antipsychotics is of utmost importance. Clinicians should be able to recognize motor side effects and be knowledgeable of the different treatment modalities.
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Affiliation(s)
- Pascal Sienaert
- Academic Center for ECT and Neuromodulation (AcCENT), University Psychiatric Center KU Leuven, Kortenberg, Belgium.
| | - Peter van Harten
- Research Department, GGz Centraal Innova, Amersfoort, and Department of Mental Health and Neuroscience, Faculty of Health Medicine and Life Sciences, University of Maastricht, Maastricht, The Netherlands
| | - Didi Rhebergen
- Department of Psychiatry and Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
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12
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O'Brien H, Kiely F, Barry A, Meaney S. Cross-sectional examination of extrapyramidal side effects in a specialist palliative care inpatient unit. BMJ Support Palliat Care 2018; 9:271-273. [PMID: 30301752 DOI: 10.1136/bmjspcare-2018-001504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 08/27/2018] [Accepted: 08/29/2018] [Indexed: 11/04/2022]
Abstract
OBJECTIVES Extrapyramidal side effects (EPSEs) are serious potentially reversible side effects of antipsychotic and other medications that can cause distress for patients. A core principle of palliative care involves optimising quality of life. If side effects of medications are burdensome, it is imperative that we address this issue. The aim of the study was to determine and describe the burden of EPSEs in a specialist inpatient unit. METHODS Consenting patients who met inclusion criteria were assessed for EPSE with two validated screening tests, the Modified Simpson-Angus Scale (MSAS) and Barnes Akathisia Rating Scale (BARS). Additional demographic data were collected including medications associated with EPSE, previous history of EPSE and known risk factors that may predispose a patient to EPSE. RESULTS 43% inpatients met inclusion criteria. At least 66% of patients were taking regular medications associated with EPSE. Of those, 25% were taking ≥2 medications associated with EPSE. The MSAS revealed 50% scored <3, 44% scored 3-5% and 6% scored 6-11. Seven patients had at least one 'not rateable score'. In the BARS (sitting±standing), 94% scored 0/5 and 6% scored 1/5. 12.5% of participants were able to stand for 2 min to complete the BARS. CONCLUSIONS 50% screened positive for EPSE. The complete BARS was unsuitable for most participants. The MSAS, while allowing a not rateable score, may underestimate EPSE. The frailty of an inpatient unit population impacts on applicability of screening tools and may therefore underestimate the burden of the problem in this population. Development of a population-specific screening tool warrants further investigation.
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Affiliation(s)
- Hannah O'Brien
- Department of Palliaitve Medicine, Marymount University Hospital and Hospice, Cork, Ireland
| | - Fiona Kiely
- Department of Palliaitve Medicine, Marymount University Hospital and Hospice, Cork, Ireland
| | - Aileen Barry
- Department of Palliaitve Medicine, Marymount University Hospital and Hospice, Cork, Ireland
| | - Sarah Meaney
- National Perinatal Epidemiology Centre, University College Cork, Cork, Ireland
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13
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Earley W, Durgam S, Lu K, Laszlovszky I, Debelle M, Kane JM. Safety and tolerability of cariprazine in patients with acute exacerbation of schizophrenia: a pooled analysis of four phase II/III randomized, double-blind, placebo-controlled studies. Int Clin Psychopharmacol 2017; 32:319-328. [PMID: 28692485 PMCID: PMC5625952 DOI: 10.1097/yic.0000000000000187] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Cariprazine, a potent dopamine D3 and D2 receptor partial agonist antipsychotic with preferential binding to D3 receptors, is Food and Drug Administration approved for treating schizophrenia and manic or mixed episodes of bipolar I disorder. A post-hoc safety/tolerability analysis of data from the four acute trials in the cariprazine schizophrenia clinical development program (NCT00404573; NCT00694707; NCT01104766; NCT01104779) was carried out using the overall safety population (all patients who received ≥1 dose of study drug) and modal daily dose subgroups (1.5-3, 4.5-6, and 9-12 mg/day). These exploratory findings were summarized using descriptive statistics. Cariprazine was generally well tolerated. The incidence of treatment-emergent adverse events versus placebo was similar for cariprazine 1.5-3 mg/day and higher for cariprazine 4.5-6 and 9-12 mg/day; a dose-response relationship was observed for akathisia, extrapyramidal symptoms, and diastolic blood pressure. The mean changes in metabolic parameters were generally similar in cariprazine-treated and placebo-treated patients. There was no prolactin level increase or QTc value greater than 500 ms; small increases in mean body weight (∼1to2 kg) versus placebo were observed. Within the Food and Drug Administration-approved dose range (1.5-6 mg/day), cariprazine was generally safe and well tolerated in patients with schizophrenia.
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Affiliation(s)
| | | | | | | | | | - John M. Kane
- Department of Psychiatry, The Zucker Hillside Hospital, Glen Oaks, New York, USA
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Incidence and risk factors of acute akathisia in 493 individuals with first episode non-affective psychosis: a 6-week randomised study of antipsychotic treatment. Psychopharmacology (Berl) 2017; 234:2563-2570. [PMID: 28567698 DOI: 10.1007/s00213-017-4646-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 05/11/2017] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Acute akathisia is a neuropsychiatric syndrome with a negative effect on illness outcome. Its incidence in patients treated with antipsychotics has shown to be highly variable across studies. OBJECTIVES Our goals were to investigate prevalence, risk factors for the development of acute akathisia, and differences in incidence between antipsychotics in a sample of 493 first episode non-affective psychosis patients. METHODS This is a pooled analysis of three prospective, randomized, flexible-dose, and open-label clinical trials. Patients were randomized assigned to different arms of treatment (haloperidol, quetiapine, olanzapine, ziprasidone, risperidone, or aripiprazole). Akathisia was determined using the Barnes Akathisia Scale at 6 weeks after antipsychotic initialization. Univariate analyses were performed to identify demographic, biochemical, substance use, clinical, and treatment-related predictors of acute akathisia. Considering these results, a predictive model based of a subsample of 132 patients was constructed with akathisia as the dependent variable. RESULTS The overall incidence of akathisia was 19.5%. No differences in demographic, biochemical, substance use, and clinical variables were found. Significant incidence differences between antipsychotics were observed (Χ 2 = 68.21, p = 0.000): haloperidol (57%), risperidone (20%), aripiprazole (18.2%), ziprasidone (17.2%), olanzapine (3.6%), and quetiapine (3.5%). The predictive model showed that the type of antipsychotic (OR = 21.3, p = 0.000), need for hospitalization (OR = 2.6, p = 0.05), and BPRS total score at baseline (OR = 1.05, p = 0.03) may help to predict akathisia emergence. CONCLUSIONS Among second generation antipsychotics, only olanzapine and quetiapine should be considered as akathisia-sparing drugs. The type of antipsychotic, having been hospitalized, and a more severe symptomatology at intake seem to predict the development of acute akathisia.
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15
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Nasrallah HA, Earley W, Cutler AJ, Wang Y, Lu K, Laszlovszky I, Németh G, Durgam S. The safety and tolerability of cariprazine in long-term treatment of schizophrenia: a post hoc pooled analysis. BMC Psychiatry 2017; 17:305. [PMID: 28836957 PMCID: PMC5571492 DOI: 10.1186/s12888-017-1459-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 08/11/2017] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Schizophrenia is a chronic and debilitating neuropsychiatric disorder that often requires long-term pharmacotherapy to manage symptoms and prevent relapse. Cariprazine is a potent dopamine D3 and D2 receptor partial agonist that is FDA-approved in the US for the treatment of schizophrenia and manic or mixed episodes associated with bipolar I disorder in adults; the recommended dose range is 1.5-6 mg/d. METHODS To further characterize the long-term safety of cariprazine, data from two 48-week open-label, flexible-dose extension studies were pooled for post hoc analyses. Outcomes were evaluated in the pooled safety population (patients who received ≥1 dose of cariprazine during an open-label extension period); findings were summarized using descriptive statistics for the overall cariprazine group and in modal daily dose groups (1.5-3, 4.5-6, and 9 mg/d). RESULTS Of the 679 patients in the overall cariprazine safety population, 40.1% completed the study. The only adverse events (AEs) leading to discontinuation of ≥2% of patients in any dose group were akathisia, worsening of schizophrenia, and psychotic disorder. Treatment-emergent AEs (TEAEs) of akathisia, insomnia, weight increased, and headache were reported in ≥10% of the overall population. Mean prolactin levels decreased in all dose groups (overall, -15.4 ng/mL). Clinically insignificant changes in aminotransferase levels and alkaline phosphatase were observed; no dose-response relationship was observed across groups. Mean total (-5.3 mg/dL), low-density lipoprotein (-3.5 mg/dL), and high-density lipoprotein (-0.8 mg/dL) cholesterol levels decreased; no dose-response relationship was observed for metabolic parameters. Mean change in body weight was 1.58 kg; body weight increase and decrease ≥7% occurred in 27% and 11% of patients, respectively. Mean changes in cardiovascular parameters, including blood pressure and pulse, were generally not considered clinically significant. EPS-related TEAEs that occurred in ≥5% of patients were akathisia, tremor, restlessness, and extrapyramidal disorder. CONCLUSION In these post hoc pooled analyses of data from 2 long-term open-label studies, treatment with cariprazine was generally safe and well tolerated. Results support the safety and tolerability of cariprazine within the FDA-recommended dose range of 1.5-6 mg/d for schizophrenia. CLINICAL TRIALS REGISTRATION NCT01104792, NCT00839852.
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Affiliation(s)
- Henry A. Nasrallah
- 0000 0004 1936 9342grid.262962.bSaint Louis University, 1438 South Grand Blvd., Suite 105, St. Louis, MO 63104 USA
| | - Willie Earley
- 0000 0004 0413 7987grid.417882.0Allergan, Harborside 5, 185 Hudson Street, Jersey City, NJ 07311 USA
| | - Andrew J. Cutler
- grid.477126.1Meridien Research, Inc., 8043 Cooper Creek Boulevard #107, Bradenton, FL 34201 USA
| | - Yao Wang
- 0000 0004 0413 7987grid.417882.0Allergan, Harborside 5, 185 Hudson Street, Jersey City, NJ 07311 USA
| | - Kaifeng Lu
- 0000 0004 0413 7987grid.417882.0Allergan, Harborside 5, 185 Hudson Street, Jersey City, NJ 07311 USA
| | - István Laszlovszky
- 0000 0004 0621 5862grid.418137.8Gedeon Richter, Plc, Gyömrői u. 32, Budapest, H-1103 Hungary
| | - György Németh
- 0000 0004 0621 5862grid.418137.8Gedeon Richter, Plc, Gyömrői u. 32, Budapest, H-1103 Hungary
| | - Suresh Durgam
- 0000 0004 0413 7987grid.417882.0Allergan, Harborside 5, 185 Hudson Street, Jersey City, NJ 07311 USA
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Brainstem reflexes are hyperactive in patients with drug-induced akathisia. Neurol Sci 2017; 38:1683-1689. [DOI: 10.1007/s10072-017-3038-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 06/17/2017] [Indexed: 10/19/2022]
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Salem H, Nagpal C, Pigott T, Teixeira AL. Revisiting Antipsychotic-induced Akathisia: Current Issues and Prospective Challenges. Curr Neuropharmacol 2017; 15:789-798. [PMID: 27928948 PMCID: PMC5771055 DOI: 10.2174/1570159x14666161208153644] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 11/30/2016] [Accepted: 12/05/2016] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Akathisia continues to be a significant challenge in current neurological and psychiatric practice. Prompt and accurate detection is often difficult and there is a lack of consensus concerning the neurobiological basis of akathisia. No definitive treatment has been established for akathisia despite numerous preclinical and clinical studies.] Method: We reviewed antipsychotic-induced akathisia including its clinical presentation, proposed underlying pathophysiology, current and under investigation therapeutic strategies. CONCLUSION Despite the initial promise that second generation antipsychotics would be devoid of akathisia effects, this has not been confirmed. Currently, there are limited therapeutic options for the clinical practice and the evidence supporting the most widely used treatments (beta blockers, anticholinergic drugs) is still absent or inconsistent.
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Affiliation(s)
- Haitham Salem
- Neuropsychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center, Houston, Texas, USA
- Harris County Psychiatric Center, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center, Houston, Texas, USA
| | - Caesa Nagpal
- Harris County Psychiatric Center, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center, Houston, Texas, USA
| | - Teresa Pigott
- Harris County Psychiatric Center, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center, Houston, Texas, USA
| | - Antonio Lucio Teixeira
- Neuropsychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center, Houston, Texas, USA
- Harris County Psychiatric Center, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center, Houston, Texas, USA
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Albayrak Y, Hashimoto K. Sigma-1 Receptor Agonists and Their Clinical Implications in Neuropsychiatric Disorders. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 964:153-161. [PMID: 28315270 DOI: 10.1007/978-3-319-50174-1_11] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Accumulating evidence suggests that sigma-1 receptors play a role in the pathophysiology of neuropsychiatric diseases, as well as in the mechanisms of some selective serotonin reuptake inhibitors (SSRIs). Among the SSRIs, the order of affinity for sigma-1 receptors is as follows: fluvoxamine > sertraline > fluoxetine > escitalopram > citalopram >> paroxetine. Some SSRIs (e.g., fluvoxamine, fluoxetine and escitalopram) and other drugs (donepezil , ifenprodil , dehydroepiandeterone (DHEA)) potentiate nerve-growth factor (NGF)-induced neurite outgrowth in PC12 cells, and these effects could be antagonized by the selective sigma-1 receptor antagonist NE-100. Furthermore, fluvoxamine, donepezil, and DHEA, but not paroxetine or sertraline, improved phencyclidine-induced cognitive deficits in mice, and these effects could be antagonized by NE-100. Several clinical studies showed that sigma-1 receptor agonists such as fluvoxamine and ifenprodil could have beneficial effects in patients with neuropsychiatric disorders. In this chapter, the authors will discuss the role of sigma-1 receptors in the mechanistic action of some SSRIs, donepezil, neurosteroids, and ifenprodil, and the clinical implications for sigma-1 receptor agonists .
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Fleischhacker WW, Hobart M, Ouyang J, Forbes A, Pfister S, McQuade RD, Carson WH, Sanchez R, Nyilas M, Weiller E. Efficacy and Safety of Brexpiprazole (OPC-34712) as Maintenance Treatment in Adults with Schizophrenia: a Randomized, Double-Blind, Placebo-Controlled Study. Int J Neuropsychopharmacol 2017; 20:11-21. [PMID: 27566723 PMCID: PMC5412583 DOI: 10.1093/ijnp/pyw076] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 08/19/2016] [Indexed: 12/20/2022] Open
Abstract
Background Brexpiprazole has previously demonstrated efficacy in acute schizophrenia trials. The objective of this trial was to assess the efficacy, safety, and tolerability of maintenance treatment with brexpiprazole in adults with schizophrenia. Methods Patients with an acute exacerbation of psychotic symptoms were converted to brexpiprazole (1-4mg/d) over 1 to 4 weeks and entered a single-blind stabilization phase. Those patients who met stability criteria for 12 weeks were randomized 1:1 to double-blind maintenance treatment with either brexpiprazole (at their stabilization dose) or placebo for up to 52 weeks. The primary efficacy endpoint was the time from randomization to impending relapse. Safety and tolerability were also assessed. Results A total of 524 patients were enrolled, 202 of whom were stabilized on brexpiprazole and randomized to brexpiprazole (n=97) or placebo (n=105). Efficacy was demonstrated at a prespecified interim analysis (conducted after 45 events), and so the trial was terminated early. The final analysis showed that time to impending relapse was statistically significantly delayed with brexpiprazole treatment compared with placebo (P<.0001, log-rank test). The hazard ratio for the final analysis was 0.292 (95% confidence interval: 0.156, 0.548); mean dose at last visit, 3.6mg. The proportion of patients meeting the criteria for impending relapse was 13.5% with brexpiprazole and 38.5% with placebo (P<.0001). During the maintenance phase, the incidence of adverse events was comparable to placebo. Conclusions or patients with schizophrenia already stabilized on brexpiprazole, maintenance treatment with brexpiprazole was efficacious, with a favorable safety profile.
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Affiliation(s)
- W Wolfgang Fleischhacker
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
| | - Mary Hobart
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
| | - John Ouyang
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
| | - Andy Forbes
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
| | - Stephanie Pfister
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
| | - Robert D McQuade
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
| | - William H Carson
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
| | - Raymond Sanchez
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
| | - Margareta Nyilas
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
| | - Emmanuelle Weiller
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical University Innsbruck, Innsbruck, Austria; Otsuka Pharmaceutical Development and Commercialization, Inc., Princeton, NJ, USA; H. Lundbeck A/S, Valby, Denmark
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Parksepp M, Ljubajev Ü, Täht K, Janno S. Prevalence of neuroleptic-induced movement disorders: an 8-year follow-up study in chronic schizophrenia inpatients. Nord J Psychiatry 2016; 70:498-502. [PMID: 27093226 DOI: 10.3109/08039488.2016.1164245] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Atypical antipsychotic drug use by schizophrenia patients in Estonia increased from 32% in 2004 to 61% in 2009. AIMS To assess the prevalence of neuroleptic-induced movement disorders in the Estonian institutionalized population of schizophrenia patients twice over a period of eight years, before and after introduction of atypical antipsychotic drugs using DSM-IV criteria. METHODS DSM-IV criteria and specific rating scales were used to evaluate the prevalence of neuroleptic-induced movement disorders among 72 patients who participated in the study in 2009 compared to 99 patients who participated in 2001. RESULTS Despite increased use of atypical antipsychotics in the study population (up to 30% from 20%), the proportion of movement disorder-free population remained the same over 8 years - 38.9% in 2001 versus 38.4% in 2009. There were significant intra-individual fluctuations. Use of a typical antipsychotic resulted in an almost seven times higher risk of tardive dyskinesia after 8 years. Doses of antipsychotic drugs had no effect on the severity of neuroleptic-induced movement disorders. CONCLUSIONS Unfortunately, in 18% of patients the switch of medication from typical to atypical did not change the overall prevalence of neuroleptic-induced movement disorders in the group. The long-term benefit of atypical antipsychotics requires further research in patients who are treated with antipsychotics for years.
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Affiliation(s)
- Madis Parksepp
- a Madis Parksepp, Department of Psychiatry , University of Tartu , Tartu , Estonia
| | - Ülle Ljubajev
- b Ülle Ljubajev, Department of Psychiatry , University of Tartu , Tartu , Estonia
| | - Karin Täht
- c Karin Täht, Institute of Psychology , University of Tartu , Tartu , Estonia
| | - Sven Janno
- d Sven Janno, Department of Psychiatry , University of Tartu , Tartu , Estonia
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Brain site- and transmitter-dependent actions of methamphetamine, morphine and antipsychotics. Behav Brain Res 2016; 306:64-70. [DOI: 10.1016/j.bbr.2016.03.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 02/18/2016] [Accepted: 03/11/2016] [Indexed: 01/04/2023]
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Abstract
OBJECTIVE Akathisia is a neuropsychiatric syndrome characterized by subjective and objective restlessness. It is a common side effect in patients taking antipsychotics and other psychotropics. Patients with delirium are frequently treated with antipsychotic medications that are well known to induce akathisia as a side effect. However, the prevalence, phenomenology, and management of akathisia in patients with delirium remain largely unknown. The purpose of this review was to examine the medical literature in order to establish the current state of knowledge regarding the prevalence of antipsychotic-induced akathisia in patients with delirium. METHOD A systematic review of the literature was conducted using the EMBASE, MEDLINE, PsycINFO, and CINAHL databases. Ten studies addressing the incidence of akathisia in patients taking antipsychotic medication for delirium were identified and included in our review. RESULTS The included studies reported a variable prevalence of antipsychotic-induced akathisia. A higher prevalence was found in patients taking haloperidol. Among atypical antipsychotics, paliperidone and ziprasidone were associated with a higher risk of akathisia. The risk for akathisia appeared to be a dose-related phenomenon. SIGNIFICANCE OF RESULTS Studies using specific scales for evaluation of akathisia in delirium are lacking. Some populations, such as patients with cancer or terminally ill patients in palliative care settings taking antipsychotics for the treatment of delirium, could be at higher risk for development of akathisia as a side effect.
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Affiliation(s)
| | | | - Yesne Alici
- Memorial Sloan Kettering Cancer Center,New York,New York
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Treatment of Antipsychotic-Related Akathisia Revisited: The Role of Serotonin 2A Receptor Antagonists. J Clin Psychopharmacol 2015; 35:711-4. [PMID: 26488676 DOI: 10.1097/jcp.0000000000000412] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Akathisia remains a prevalent, clinically significant, and therapeutically challenging adverse event associated with antipsychotic treatment. Compelling evidence supports therapeutic efficacy and clinical utility of agents with marked serotonin 2A receptor antagonism, primarily low-dose mirtazapine, as an effective and well-tolerated antiakathisia treatment.
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Abstract
Akathisia is one of the most vexing problems in neuropsychiatry. Although it is one of the most common side effects of antipsychotic medications, it is often difficult to describe by patients, and is difficult to diagnose and treat by practitioners. Akathisia is usually grouped with extrapyramidal movement disorders (ie, movement disorders that originate outside the pyramidal or corticospinal tracts and generally involve the basal ganglia). Yet, it can present as a purely subjective clinical complaint, without overt movement abnormalities. It has been subtyped into acute, subacute, chronic, tardive, withdrawal-related, and "pseudo" forms, although the distinction between many of these is unclear. It is therefore not surprising that akathisia is generally either underdiagnosed or misdiagnosed, which is a serious problem because it can lead to such adverse outcomes as poor adherence to medications, exacerbation of psychiatric symptoms, and, in some cases, aggression, violence, and suicide. In this article, we will attempt to address some of the confusion surrounding the condition, its relationship to other disorders, and differential diagnosis, as well as treatment alternatives.
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Aripiprazole and Risperidone for Treatment of Methamphetamine-Associated Psychosis in Chinese Patients. J Subst Abuse Treat 2015; 62:84-8. [PMID: 26733277 DOI: 10.1016/j.jsat.2015.11.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2015] [Revised: 11/02/2015] [Accepted: 11/15/2015] [Indexed: 11/23/2022]
Abstract
We evaluated tolerability and efficacy of aripiprazole and risperidone for treatment of methamphetamine (METH) associated psychotic symptoms in China. Patients with acute METH-associated psychotic symptoms (N=42) and with Positive and Negative Syndrome Scale (PANSS) total score between 60 and 120 were randomized to aripiprazole (initial dose 5-10mg per day followed by flexible doses 5-15 mg per day) or risperidone (initial dose 2-4 mg per day followed by flexible doses 4-6 mg per day) from day 3 to 25 of inpatient hospital stay. Outcome measures included PANSS and Clinical Global Impressions-Severity of Illness scale (CGI-S), METH craving Visual Analogue Scale (VAS), Simpson Angus Scale (SAS), Barnes Assessments Akathasia Rating Scale (BARS), and self-reported adverse effects evaluated during treatment. Retention was evaluated using Kaplan-Meier survival analysis and the MIXED models procedure was used to compare the groups on measures of psychotic and extra-pyramidal symptoms. Patients in both aripiprazole and risperidone groups showed statistically significant reductions in psychotic symptomatology from baseline during treatment (p<0.001) with no statistically significant differences between the treatment groups (p=0.73 and p=0.15, respectively). Risperidone-treated patients reported significantly greater METH craving reductions (p<0.001). Overall, 71% of patients completed the entire study, but the aripiprazole group had a significantly lower retention than the risperidone group (p=0.007), primarily due to medication related adverse effects. Aripiprazole-treated patients also had significantly more akathisia (p=0.03) and agitation (p=0.02) than risperidone-treated patients. Patients in both groups who tolerated their medications and completed the entire study achieved comparable reductions of psychotic symptoms.
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Praharaj SK, Kongasseri S, Behere RV, Sharma PSVN. Mirtazapine for antipsychotic-induced acute akathisia: a systematic review and meta-analysis of randomized placebo-controlled trials. Ther Adv Psychopharmacol 2015; 5:307-13. [PMID: 26557987 PMCID: PMC4622124 DOI: 10.1177/2045125315601343] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE To conduct a systematic review and meta-analysis of randomized placebo-controlled trials of mirtazapine for the treatment of antipsychotic-induced acute akathisia (AIAA). METHODS Studies were identified using online searches of PUBMED/MEDLINE and Cochrane database (CENTRAL), along with websites recording trial information such as www.clinicaltrials.gov, www.controlled-trials.com, and www.clinicalstudyresults.org. The study eligibility criteria were randomized, double-blind clinical trials comparing mirtazapine with placebo for AIAA with standardized rating for akathisia as outcome measure. The methodological quality of included trials was assessed using the Jadad Scale. Separate meta-analyses were undertaken for each outcome (response rate and complete remission) and treatment effects were expressed as Mantel-Haenszel risk ratio (RR). Fixed-effect meta-analysis was performed as heterogeneity was not significant. Number need to treat (NNT) as a measure of relative treatment effectiveness was calculated. RESULTS A systematic review of the literature revealed six studies that had assessed mirtazapine for the treatment of AIAA. Of these, two studies (n = 86) met the review inclusion criteria and were included in the final analysis. A meta-analysis was performed to see the effect size of response rate and complete remission. For response rate, RR was 6.67 [95% confidence interval (CI) 2.14-20.78], favoring mirtazapine compared with placebo, and the overall effect was significant (p = 0.001, NNT 4, 95% CI 2.6-8.6). For complete remission, RR was 6.20 (95% CI 1.74-22.08), favoring mirtazapine compared with placebo, and the overall effect was significant (p = 0.005, NNT 5, 95% CI 2.9-11.6). CONCLUSIONS Although limited to only two studies and small sample, existing data support the efficacy of mirtazapine for the treatment of AIAA, with one in four patients showing partial response and one in five patients showing complete remission.
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Affiliation(s)
- Samir Kumar Praharaj
- Department of Psychiatry, Kasturba Medical College, Manipal, Karnataka, 576104, India
| | | | - Rishikesh V. Behere
- Department of Psychiatry, Kasturba Medical College, Manipal, Karnataka, India
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Vohra A. Quetiapine induced restless legs syndrome: A series of four cases. Asian J Psychiatr 2015; 16:73-4. [PMID: 26096664 DOI: 10.1016/j.ajp.2015.05.045] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 05/31/2015] [Indexed: 12/21/2022]
Affiliation(s)
- Adarsh Vohra
- Mountcroft, Albert Street, FY5 1PQ, United Kingdom.
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Sachdeva A, Rathee R. Akathisia with Erythromycin: Induced or precipitated? Saudi Pharm J 2015; 23:541-3. [PMID: 26594120 PMCID: PMC4605907 DOI: 10.1016/j.jsps.2015.02.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Accepted: 02/20/2015] [Indexed: 11/16/2022] Open
Abstract
Objective: A 28-year-old male diagnosed with schizophrenia, maintaining well on Olanzapine, developed akathisia soon after addition of Erythromycin for Pityriasis Rosea. This prompted us to evaluate the relationship of Erythromycin and akathisia. Method: We report the case and the literature focusing on akathisia as a possible adverse event of Erythromycin. Results: Akathisia resolved after Erythromycin was stopped following 5 days of treatment. Akathisia was possibly induced or precipitated with use of Erythromycin. Possible etiological reasons of this clinically significant association are discussed. Conclusion: Erythromycin, by itself, may induce akathisia or precipitate akathisia in individuals by interfering with metabolism of other culprit drugs.
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Affiliation(s)
- Ankur Sachdeva
- Department of Psychiatry and Drug De-addiction, Post Graduate Institute of Medical Education and Research, Dr Ram Manohar Lohia Hospital, New Delhi, India
| | - Ruchika Rathee
- Department of Psychiatry and Drug De-addiction, Post Graduate Institute of Medical Education and Research, Dr Ram Manohar Lohia Hospital, New Delhi, India
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McCall WV, Riley MA, Hodges C, McCloud L, Phillips M, Rosenquist PB. Asenapine-induced restless legs syndrome: differentiation from akathisia. J Clin Sleep Med 2014; 10:1341-2. [PMID: 25325577 DOI: 10.5664/jcsm.4296] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Accepted: 07/19/2014] [Indexed: 01/08/2023]
Abstract
Akathisia and restless legs syndrome (RLS) share some common clinical features and a common relationship with dopamine dysfunction. However, the underlying causes and appropriate treatments for akathisia and RLS are different. Herein we describe a case of RLS that was precipitated by a single dose of asenapine, which is an atypical antipsychotic, and dissect the features that support the contention that this was indeed a case of RLS and not akathisia.
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Affiliation(s)
- W Vaughn McCall
- Department of Psychiatry and Health Behavior, The Medical College of Georgia, Georgia Regents University, Augusta, GA
| | - Mary Anne Riley
- Department of Psychiatry and Health Behavior, The Medical College of Georgia, Georgia Regents University, Augusta, GA
| | - Chelsea Hodges
- Department of Psychiatry and Health Behavior, The Medical College of Georgia, Georgia Regents University, Augusta, GA
| | - Laryssa McCloud
- Department of Psychiatry and Health Behavior, The Medical College of Georgia, Georgia Regents University, Augusta, GA
| | | | - Peter B Rosenquist
- Department of Psychiatry and Health Behavior, The Medical College of Georgia, Georgia Regents University, Augusta, GA
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Second-generation antipsychotics and extrapyramidal adverse effects. BIOMED RESEARCH INTERNATIONAL 2014; 2014:656370. [PMID: 24995318 PMCID: PMC4065707 DOI: 10.1155/2014/656370] [Citation(s) in RCA: 164] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Accepted: 05/06/2014] [Indexed: 12/19/2022]
Abstract
Antipsychotic-induced extrapyramidal adverse effects are well recognized in the context of first-generation antipsychotic drugs. However, the introduction of second-generation antipsychotics, with atypical mechanism of action, especially lower dopamine receptors affinity, was met with great expectations among clinicians regarding their potentially lower propensity to cause extrapyramidal syndrome. This review gives a brief summary of the recent literature relevant to second-generation antipsychotics and extrapyramidal syndrome. Numerous studies have examined the incidence and severity of extrapyramidal syndrome with first- and second-generation antipsychotics. The majority of these studies clearly indicate that extrapyramidal syndrome does occur with second-generation agents, though in lower rates in comparison with first generation. Risk factors are the choice of a particular second-generation agent (with clozapine carrying the lowest risk and risperidone the highest), high doses, history of previous extrapyramidal symptoms, and comorbidity. Also, in comparative studies, the choice of a first-generation comparator significantly influences the results. Extrapyramidal syndrome remains clinically important even in the era of second-generation antipsychotics. The incidence and severity of extrapyramidal syndrome differ amongst these antipsychotics, but the fact is that these drugs have not lived up to the expectation regarding their tolerability.
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Spina E, de Leon J. Clinically relevant interactions between newer antidepressants and second-generation antipsychotics. Expert Opin Drug Metab Toxicol 2014; 10:721-46. [PMID: 24494611 DOI: 10.1517/17425255.2014.885504] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
INTRODUCTION Combinations of newer antidepressants and second-generation antipsychotics (SGAs) are frequently used by clinicians. Pharmacokinetic drug interaction (PK DI) and poorly understood pharmacodynamic (PD) drug interaction (PD DI) can occur between them. AREAS COVERED This paper comprehensively reviews PD DI and PK DI studies. EXPERT OPINION More PK DI studies are needed to better establish dose correction factors after adding fluoxetine and paroxetine to aripiprazole, iloperidone and risperidone. Further PK DI studies and case reports are also needed to better establish the need for dose correction factors after adding i) fluoxetine to clozapine, lurasidone, quetiapine and olanzapine; ii) paroxetine to olanzapine; iii) fluvoxamine to asenapine, aripiprazole, iloperidone, lurasidone, olanzapine, quetiapine and risperidone; iv) high sertraline doses to aripiprazole, clozapine, iloperidone and risperidone: v) bupropion and duloxetine to aripiprazole, clozapine, iloperidone and risperidone; and vi) asenapine to paroxetine and venlafaxine. Possible beneficial PD DI effects occur after adding SGAs to newer antidepressants for treatment-resistant major depressive and obsessive-compulsive disorders. The lack of studies combining newer antidepressants and SGAs in psychotic depression is worrisome. PD DIs between newer antidepressants and SGAs may be more likely for mirtazapine and bupropion. Adding selective serotonin reuptake inhibitors and SGAs may increase QTc interval and may very rarely contribute to torsades de pointes.
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Affiliation(s)
- Edoardo Spina
- University of Messina, Policlinico Universitario, Department of Clinical and Experimental Medicine , Via Consolare Valeria, 98125 Messina , Italy +39 090 2213647 ; +39 090 2213300 ;
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Cutcliffe JR, Riahi S. Systemic perspective of violence and aggression in mental health care: towards a more comprehensive understanding and conceptualization: part 1. Int J Ment Health Nurs 2013; 22:558-67. [PMID: 23750881 DOI: 10.1111/inm.12029] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Aggression and violence (A/V) in mental health care are all too frequent occurrences; they produce a wide range of deleterious impacts on the individual client, staff, organizations, and the broader community. A/V is a multifaceted and highly-complex problem, and is associated empirically with a wide range of phenomena. However, most attempts to reduce A/V in mental health care have invariably focused on one or two aspects of the problem at the expense of a more comprehensive, systemic approach; these have produced inconclusive results. As a result, this two-part paper seeks to: (i) recognize the wide range of phenomena that have been found to have an association with A/V in mental health care; (ii) synthesize these propositions according to fit or congruence into a systemic model of A/V; (iii) explore empirical evidence pertaining to these propositions; and (iv) begin to consider the application of this model to better inform our individual and/or organizational responses to A/V in mental health care. The paper advances a systemic model of these phenomena comprised of four thematic categories, with Part 1 of this paper focusing on the first two categories: environmental and intrapersonal (client-related) phenomena.
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Affiliation(s)
- John R Cutcliffe
- Faculty of Health Sciences, University of Ottawa, Ottawa; School of Nursing, University of Coimbra, Coimbra, Portugal; Department of Nursing, University of Malta, Msida, Malta; Cutcliffe Consulting, Hampden, Maine, USA
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An evaluation of inpatient treatment continuation and hospital readmission rates in patients with bipolar disorder treated with aripiprazole or quetiapine. J Psychiatr Pract 2013; 19:288-95. [PMID: 23852103 DOI: 10.1097/01.pra.0000432598.86642.51] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The primary objective of this study was to assess patient and treatment variables that have an impact on inpatient antipsychotic treatment continuation and 30-day hospital readmission rates in patients with bipolar disorder treated with aripiprazole or quetiapine. METHODS This was a retrospective cohort study of adult patients with bipolar disorder admitted to a psychiatric hospital. Patients who were initiated on aripiprazole or quetiapine during hospitalization were included in the analysis. The two groups were compared with regards to antipsychotic treatment continuation to discharge and 30-day hospital readmission rates using logistic regression analysis. RESULTS A total of 336 patients were included in the study. No difference in inpatient antipsychotic treatment continuation rates to discharge were observed, with 85.3% and 84.9% of patients in the aripiprazole and quetiapine cohorts, respectively, continuing treatment with the index antipsychotic to discharge (p = 0.92). Logistic regression analysis revealed that patients were more likely to be prescribed their index antipsychotic at discharge if they were younger than 40 years of age (OR = 2.05, 95% CI =1.08-3.89) and/or diagnosed with a bipolar depressed (OR = 3.05, 95% CI = 1.05-8.85) or mixed episode (OR = 4.14, 95% CI = 1.24-13.87) compared with a manic episode. Patients treated with divalproex (OR = 0.49, 95% CI = 0.25-0.94) or a benzodiazepine (OR = 0.37, 95% CI = 0.18-0.75) at discharge were less likely to be prescribed the index antipsychotic at discharge. Continuation of the index antipsychotic to discharge did not have an impact on readmission rates; admissions during the year before the index hospitalization were the only predictor of 30-day readmission rates (OR = 2.44, 95% CI = 1.08-5.48). CONCLUSION No difference was observed in inpatient antipsychotic treatment continuation and 30-day hospital readmission rates in patients treated with either aripiprazole or quetiapine.
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Restless legs syndrome induced by quetiapine: report of seven cases and review of the literature. Int J Neuropsychopharmacol 2013; 16:1427-31. [PMID: 23331473 DOI: 10.1017/s1461145712001599] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
We report on seven cases of restless legs syndrome (RLS) in patients treated with quetiapine. Small doses (50-250 mg at bedtime) provoked RLS in a dose-dependent way. Most patients suffered from an affective disorder and all were treated concomitantly with antidepressants. A search of the literature revealed a further nine cases of RLS concerning quetiapine, also afflicting only patients with affective disorders. Quetiapine seems to carry a special risk for RLS in this sort of patient. Possible causes for this concurrence are discussed.
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Lawford BR, Barnes M, Swagell CD, Connor JP, Burton SC, Heslop K, Voisey J, Morris CP, Nyst P, Noble EP, Young RM. DRD2/ANKK1 Taq1A (rs 1800497 C>T) genotypes are associated with susceptibility to second generation antipsychotic-induced akathisia. J Psychopharmacol 2013; 27:343-8. [PMID: 23118020 DOI: 10.1177/0269881112463469] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Although the advent of atypical, second-generation antipsychotics (SGAs) has resulted in reduced likelihood of akathisia, this adverse effect remains a problem. It is known that extrapyramidal adverse effects are associated with increased drug occupancy of the dopamine 2 receptors (DRD2). The A1 allele of the DRD2/ANKK1, rs1800497, is associated with decreased striatal DRD2 density. The aim of this study was to identify whether the A1(T) allele of DRD2/ANKK1 was associated with akathisia (as measured by Barnes Akathisia Rating Scale) in a clinical sample of 234 patients who were treated with antipsychotic drugs. Definite akathisia (a score ≥ 2 in the global clinical assessment of akathisia) was significantly less common in subjects who were prescribed SGAs (16.8%) than those prescribed FGAs (47.6%), p < 0.0001. Overall, 24.1% of A1+ patients (A1A2/A1A1) who were treated with SGAs had akathisia, compared to 10.8% of A1- (thus, A2A2) patients. A1+ patients who were administered SGAs also had higher global clinical assessment of akathisia scores than the A1- subjects (p = 0.01). SGAs maintained their advantage over FGAs regarding akathisia, even in A1+ patients who were treated with SGAs. These results strongly suggested that A1+ variants of the DRD2/ANKK1 Taq1A allele do confer an associated risk for akathisia in patients who were treated with SGAs, and these variants may explain inconsistencies found across prior studies, when comparing FGAs and SGAs.
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Affiliation(s)
- B R Lawford
- Division of Mental Health, Royal Brisbane and Women's Hospital, Herston, Australia.
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Egan MF, Zhao X, Smith A, Troyer MD, Uebele VN, Pidkorytov V, Cox K, Murphy M, Snavely D, Lines C, Michelson D. Randomized controlled study of the T-type calcium channel antagonist MK-8998 for the treatment of acute psychosis in patients with schizophrenia. Hum Psychopharmacol 2013; 28:124-33. [PMID: 23532746 DOI: 10.1002/hup.2289] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Revised: 11/08/2012] [Accepted: 01/02/2013] [Indexed: 11/06/2022]
Abstract
OBJECTIVE This study aimed to evaluate whether the T-type calcium channel antagonist MK-8998 was effective in treating acute psychosis in patients with schizophrenia. METHODS This was a randomized, double-blind, parallel-group study. After a placebo lead-in, acutely psychotic inpatients with schizophrenia were randomized to 4 weeks of MK-8998 12/16 mg daily (N = 86), olanzapine 10/15 mg daily (N = 47), or placebo (N = 83). The primary efficacy measure was score on the Positive and Negative Syndrome Scale (PANSS). RESULTS Out of 216 randomized patients, 158 completed the 4-week study: MK-8998 = 58 (67.4%), olanzapine = 38 (80.9%), and placebo = 62 (74.7%). The mean changes from baseline in PANSS score at week 4 for MK-8998 and olanzapine were not significantly different from placebo: MK-8998-placebo difference = -0.6 [95% confidence interval (CI): -7.0, 5.8], p = 0.9; olanzapine-placebo difference = -4.3 [95% CI: -11.7, 3.1), p = 0.3. A responder rate analysis (≥20% improvement from baseline in PANSS score) suggested an advantage of olanzapine over placebo (odds ratio = 2.20 [95% CI: 0.95, 5.09], p = 0.07) but no effect of MK-8998 over placebo (odds ratio = 1.28 [95% CI: 0.62, 2.64], p = 0.5). Treatments were generally well tolerated, but more patients reported adverse events for MK-8998 (47.7%) and olanzapine (48.9%) than placebo (37.3%). CONCLUSIONS MK-8998 was not effective in treating acutely psychotic inpatients with schizophrenia, as measured by PANSS score at week 4. Because of the limited efficacy of the active comparator, we cannot exclude the possibility that T-type calcium channel antagonists could prove to be effective in schizophrenia.
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Affiliation(s)
- Michael F Egan
- Merck Sharp & Dohme Corp., Whitehouse, Station, NJ, USA.
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Hasan A, Falkai P, Wobrock T, Lieberman J, Glenthoj B, Gattaz WF, Thibaut F, Möller HJ. World Federation of Societies of Biological Psychiatry (WFSBP) guidelines for biological treatment of schizophrenia, part 2: update 2012 on the long-term treatment of schizophrenia and management of antipsychotic-induced side effects. World J Biol Psychiatry 2013; 14:2-44. [PMID: 23216388 DOI: 10.3109/15622975.2012.739708] [Citation(s) in RCA: 272] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Abstract These updated guidelines are based on a first edition of the World Federation of Societies of Biological Psychiatry (WFSBP) guidelines for biological treatment of schizophrenia published in 2006. For this 2012 revision, all available publications pertaining to the biological treatment of schizophrenia were reviewed systematically to allow for an evidence-based update. These guidelines provide evidence-based practice recommendations that are clinically and scientifically meaningful. They are intended to be used by all physicians diagnosing and treating people suffering from schizophrenia. Based on the first version of these guidelines, a systematic review of the MEDLINE/PUBMED database and the Cochrane Library, in addition to data extraction from national treatment guidelines, has been performed for this update. The identified literature was evaluated with respect to the strength of evidence for its efficacy and then categorised into six levels of evidence (A-F) and five levels of recommendation (1-5) ( Bandelow et al. 2008a ,b, World J Biol Psychiatry 9:242, see Table 1 ). This second part of the updated guidelines covers long-term treatment as well as the management of relevant side effects. These guidelines are primarily concerned with the biological treatment (including antipsychotic medication and other pharmacological treatment options) of adults suffering from schizophrenia.
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Affiliation(s)
- Alkomiet Hasan
- Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany.
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Penders TM, Agarwal S, Rohaidy R. Persistent akathisia masquerading as agitated depression after use of ziprasidone in the treatment of bipolar depression. Neuropsychiatr Dis Treat 2013; 9:463-5. [PMID: 23589691 PMCID: PMC3622424 DOI: 10.2147/ndt.s43113] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
There has been increasing recognition that the second-generation antipsychotic drugs can produce extrapyramidal side effects. This case reports the development of severe akathisia in a patient being treated with ziprasidone for bipolar depression. The case illustrates that this symptom can be easily mistaken for worsening agitated depression. Akathisia may produce considerable distress and elevate suicide risk. Such symptoms may persist for weeks and be refractory to discontinuation of the offending agent or to pharmacological interventions commonly used to mitigate this reaction.
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Affiliation(s)
- Thomas M Penders
- Department of Psychiatric Medicine, Brody School of Medicine, East Carolina University, Greenville, NC, USA
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Ersche KD, Cumming P, Craig KJ, Müller U, Fineberg NA, Bullmore ET, Robbins TW. Amisulpride-induced acute akathisia in OCD: an example of dysfunctional dopamine-serotonin interactions? J Psychopharmacol 2012; 26:887-90. [PMID: 21746752 PMCID: PMC3664784 DOI: 10.1177/0269881111405363] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We report about a clinical observation in a well-characterized group of patients with obsessive-compulsive disorder (OCD) during an experimental medicine study in which a single dose of amisulpride (a selective D₂/₃ antagonist) was administered. Almost half of the OCD patients, in particular those with less severe obsessive-compulsive symptoms, experienced acute akathisia in response to the amisulpride challenge. This unexpectedly high incidence of akathisia in the selective serotonin reuptake inhibitor (SSRI)-treated patients with OCD suggests that individual differences in dopamine-serotonin interactions underlie the clinical heterogeneity of OCD, and may thus explain the insufficiency of SSRI monotherapy in those patients not experiencing a satisfactory outcome in symptom reduction. We further speculate about the neuropathology possibly underlying this clinical observation and outline a testable hypothesis for future molecular imaging studies.
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Affiliation(s)
- Karen D Ersche
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge, UK.
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Spiros A, Roberts P, Geerts H. A Quantitative Systems Pharmacology Computer Model for Schizophrenia Efficacy and Extrapyramidal Side Effects. Drug Dev Res 2012. [DOI: 10.1002/ddr.21008] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Torigoe K, Mori T, Shibasaki M, Yoshizawa K, Narita M, Suzuki T. Olanzapine suppresses the rewarding and discriminative stimulus effects induced by morphine. Synapse 2011; 66:174-9. [DOI: 10.1002/syn.21500] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2011] [Accepted: 10/17/2011] [Indexed: 12/23/2022]
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Adjunctive low-dose aripiprazole with standard-dose sertraline in treating fresh major depressive disorder: a randomized, double-blind, controlled study. J Clin Psychopharmacol 2011; 31:563-8. [PMID: 21869699 DOI: 10.1097/jcp.0b013e31822bb0db] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVES Second-generation (atypical) antipsychotics have been accepted as an adjunctive medication in patients with treatment-resistant depression. This clinical trial evaluated the efficacy and safety of low-dose aripiprazole combined with regular-dose sertraline for acute major depressive episode in non-treatment-resistant depression outpatients. METHODS The study patients were 18- to 65-year-old outpatients fulfilling the criteria of major depressive disorder in Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition. The patients were randomly assigned to 2 groups: one with sertraline 50 mg/d plus aripiprazole 2.5 mg/d and the other with sertraline 50 mg/d plus placebo. After baseline assessment, the subjects were followed up at weeks 1, 2, 4, 6, and 10. The primary efficacy was the score change of the 17-item Hamilton Rating Scale for Depression (HAM-D17), and secondary efficacies were the score of Short Form 36 Health Survey, Clinical Global Impressions-Severity, and Clinical Global Impressions-Improvement. This study also monitored patients for movement disorder using Simpson-Angus Scale and Barnes Akathisia Rating Scale. RESULTS Twenty-one patients were assigned to the aripiprazole group and 20 to the placebo group. Because of high dropout rate, only data of the first 4 weeks were analyzed. The aripiprazole group exhibited significantly better efficacy than the placebo group in mean total score changes of HAM-D17 from the baseline to weeks 1, 2, and 4. The item "work and social activities" of HAM-D17 showed significant improvement at week 2, and the item "somatic symptoms (GI)" showed significant improvement at week 1. The aripiprazole group exhibited significant improvement in "social role function" section of Short Form 36 Health Survey at week 4. The mean total score of Clinical Global Impressions-Severity showed marginally significant improvement in the aripiprazole group. In Clinical Global Impressions-Improvement, patients in the aripiprazole group had scores of less than 2 (much improved) at weeks 2 and 4, and the scores of the placebo group were greater than 2.4 (indicating a minimal improvement). No patients had akathisia during the trial period. CONCLUSIONS The primitive data showed that adjunctive low-dose aripiprazole could augment the efficacy of regular-dose sertraline in fresh major depressive disorder. A large-scale study is needed to confirm this finding.
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Peters AT, Nierenberg AA, Deckersbach T. A 32-Year-Old Male with Mania, Leg Pain, Migraines. Psychiatr Ann 2011. [DOI: 10.3928/00485713-20110627-09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Kim JH, Byun HJ. The relationship between akathisia and subjective tolerability in patients with schizophrenia. Int J Neurosci 2011; 120:507-11. [PMID: 20583904 DOI: 10.3109/00207451003760106] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Akathisia remains a significant issue even in the era of atypical antipsychotics. The purpose of the present study was to examine the association of akathisia with various domains of subjective tolerability in order to contribute to the renewed interest in akathisia and the subjective experience of antipsychotic treatment. Fifty schizophrenic outpatients receiving stable doses of risperidone were evaluated for akathisia, schizophrenic symptoms, and subjective tolerability. Subjective tolerability was comprehensively assessed using the Liverpool University Neuroleptic Side Effect Rating Scale. Analysis of covariance revealed that the akathisia group had a significantly higher total score as well as higher subscale scores of extrapyramidal side effect, psychic side effect, and autonomic side effect on the Liverpool University Neuroleptic Side Effect Rating Scale. Further analysis using binary logistic regression analysis revealed that these variables were significantly associated with akathisia. The results of our study suggest that akathisia is significantly associated with a wide range of subjective tolerability profiles, implying the necessity to effectively manage akathisia even its mild forms considering its strong association with subjective tolerability in general.
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Affiliation(s)
- Jong-Hoon Kim
- Department of Psychiatry, Gil Medical Center, Gachon University of Medicine and Science, 1198 Guwol-Dong, Incheon, Korea.
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Steinberg-Epstein R, Book T, Wigal SB. Controversies surrounding pediatric psychopharmacology. Adv Pediatr 2011; 58:153-79. [PMID: 21736980 DOI: 10.1016/j.yapd.2011.03.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Association of 9-hydroxy risperidone concentrations with risk of switching or discontinuation in the clinical antipsychotic trial of intervention effectiveness-Alzheimer's disease trial. J Clin Psychopharmacol 2010; 30:683-7. [PMID: 21105282 DOI: 10.1097/jcp.0b013e3181fa05bb] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Risperidone has been used to treat behavioral symptoms, such as delusions and agitation, in people with Alzheimer's disease. The relationship between magnitude and variability of risperidone and 9-hydroxy risperidone exposure and the relationship with time to discontinuation of the medication were explored. Sixty-five subjects from the Clinical Antipsychotic Trial of Intervention Effectiveness-Alzheimer's Disease Trial that received risperidone were included in this study. Eighteen subjects completed the study without switching medication (completers on risperidone), whereas 47 discontinued the medication. Those who discontinued were divided into 2 groups according to responsiveness to therapy. Using Cox proportional survival regression analysis, we estimated time to discontinuation and factors associated with treatment discontinuation including age, dose, body mass index, neuropsychiatric inventory baseline score, and average exposure (area under the curve [AUC]) to risperidone and 9-hydroxy risperidone. Twenty-four and 17 subjects discontinued therapy because of inadequate therapeutic effect and side effects, respectively (6 subjects were excluded because of missing information about reason for switching or discontinuation). Discontinuation hazards for those with a higher than median AUC of the metabolite were 2.54 (P = 0.029; inadequate and side effect group combined) and 3.48 (P = 0.025; inadequate effect group) times that of those in the lower than median AUC group. None of the other covariates contributed significantly to the switching hazard. Risperidone metabolite, 9-hydroxy risperidone concentrations, correlated with the risk of switching or discontinuing the medication, suggesting that 9-hydroxy risperidone contributes to adverse events and intolerability in dementia patients.
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Anterior hypothalamic dopamine D2 receptors modulate adolescent anabolic/androgenic steroid-induced offensive aggression in the Syrian hamster. Behav Pharmacol 2010; 21:314-22. [PMID: 20555255 DOI: 10.1097/fbp.0b013e32833b10f1] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
In the Syrian hamster, treatment with anabolic/androgenic steroids (AAS) throughout adolescence increases dopamine and D2 receptor expression in the anterior hypothalamus (AH), a brain region implicated in the control of aggression. D2 receptor antagonists have reduced aggression in various species and animal models. However, these studies used systemic administration of drugs and reported concomitant changes in mobility. These data complicate the question of whether pharmacology targeting D2 receptors is specific to aggression or whether these drugs exert their antiaggressive effects through nonspecific mechanisms. To resolve this discrepancy, the current studies investigate whether administration of the D2 receptor antagonist eticlopride (0.01-10.0 microg in a final volume of 0.5 microl) into the AH modulates AAS-induced aggression. Antagonism of AH D2 receptors effectively suppressed AAS-induced aggression beginning at the 0.1 microg dose, with higher doses producing a floor effect, when compared with AAS-treated animals injected with saline into the AH. Importantly, these reductions in aggressive responding occurred in the absence of changes in locomotor behavior. Our findings identify a neuroanatomical locus where D2 receptor antagonism suppresses adolescent AAS-induced aggression in the absence of alterations to general mobility.
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Stryjer R, Rosenzcwaig S, Bar F, Ulman AM, Weizman A, Spivak B. Trazodone for the Treatment of Neuroleptic-Induced Acute Akathisia. Clin Neuropharmacol 2010; 33:219-22. [DOI: 10.1097/wnf.0b013e3181ee7f63] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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