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Sadlonova M, Beach SR, Funk MC, Rosen JH, Ramirez Gamero AF, Karlson RA, Huffman JC, Celano CM. Risk Stratification of QTc Prolongation in Critically Ill Patients Receiving Antipsychotics for the Management of Delirium Symptoms. J Intensive Care Med 2023:8850666231222470. [PMID: 38130132 DOI: 10.1177/08850666231222470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
BACKGROUND Patients experiencing significant agitation or perceptual disturbances related to delirium in an intensive care setting may benefit from short-term treatment with an antipsychotic medication. Some antipsychotic medications may prolong the QTc interval, which increases the risk of potentially fatal ventricular arrhythmias. In this targeted review, we describe the evidence regarding the relationships between antipsychotic medications and QTc prolongation and practical methods for monitoring the QTc interval and mitigating arrhythmia risk. METHODS Searches of PubMed and Cochrane Library were performed to identify studies, published before February 2023, investigating the relationships between antipsychotic medications and QTc prolongation or arrhythmias. RESULTS Most antipsychotic medications commonly used for the management of delirium symptoms (eg, intravenous haloperidol, olanzapine, quetiapine) cause a moderate degree of QTc prolongation. Among other antipsychotics, those most likely to cause QTc prolongation are iloperidone and ziprasidone, while aripiprazole and lurasidone appear to have minimal risk for QTc prolongation. Genetic vulnerabilities, female sex, older age, pre-existing cardiovascular disease, electrolyte abnormalities, and non-psychiatric medications also increase the risk of QTc prolongation. For individuals at risk of QTc prolongation, it is essential to measure the QTc interval accurately and consistently and consider medication adjustments if needed. CONCLUSIONS Antipsychotic medications are one of many risk factors for QTc prolongation. When managing agitation related to delirium, it is imperative to assess an individual patient's risk for QTc prolongation and to choose a medication and monitoring strategy commensurate to the risks. In intensive care settings, we recommend regular ECG monitoring, using a linear regression formula to correct for heart rate. If substantial QTc prolongation (eg, QTc > 500 msec) is present, a change in pharmacologic treatment can be considered, though a particular medication may still be warranted if the risks of discontinuation (eg, extreme agitation, removal of invasive monitoring devices) outweigh the risks of arrhythmias. AIMS This review aims to summarize the current literature on relationships between antipsychotic medications and QTc prolongation and to make practical clinical recommendations towards the approach of antipsychotic medication use for the management of delirium-related agitation and perceptual disturbances in intensive care settings.
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Affiliation(s)
- Monika Sadlonova
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
- Department of Psychosomatic Medicine and Psychotherapy, University of Göttingen Medical Center, Göttingen, Germany
- Department of Cardiovascular and Thoracic Surgery, University of Göttingen Medical Center, Göttingen, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Göttingen, Göttingen, Germany
| | - Scott R Beach
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Margo C Funk
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
- Department of Psychiatry, Brigham and Women's Hospital, Boston, MA, USA
| | - Jordan H Rosen
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
- Department of Psychiatry, Brigham and Women's Hospital, Boston, MA, USA
| | - Andres F Ramirez Gamero
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Rebecca A Karlson
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA
| | - Jeff C Huffman
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Christopher M Celano
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
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Stelmach A, Guzek K, Rożnowska A, Najbar I, Sadakierska-Chudy A. Antipsychotic drug-aripiprazole against schizophrenia, its therapeutic and metabolic effects associated with gene polymorphisms. Pharmacol Rep 2023; 75:19-31. [PMID: 36526889 PMCID: PMC9889418 DOI: 10.1007/s43440-022-00440-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/04/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022]
Abstract
Second-generation antipsychotics are widely used for the treatment of schizophrenia. Aripiprazole (ARI) is classified as a third-generation antipsychotic drug with a high affinity for dopamine and serotonin receptors. It is considered a dopamine-system stabilizer without severe side effects. In some patients the response to ARI treatment is inadequate and they require an effective augmentation strategy. It has been found that the response to the drug and the risk of adverse metabolic effects can be related to gene polymorphisms. A reduced dose is recommended for CYP2D6 poor metabolizers; moreover, it is postulated that other polymorphisms including CYP3A4, CYP3A5, ABCB1, DRD2, and 5-HTRs genes influence the therapeutic effect of ARI. ARI can increase the levels of prolactin, C-peptide, insulin, and/or cholesterol possibly due to specific genetic variants. It seems that a pharmacogenetic approach can help predict drug response and improve the clinical management of patients with schizophrenia.
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Affiliation(s)
- Adriana Stelmach
- Department of Genetics, Faculty of Medicine and Health Sciences, Andrzej Frycz Modrzewski Krakow University, Gustawa Herlinga-Grudzinskiego 1, 30-705, Krakow, Poland
| | - Katarzyna Guzek
- Department of Genetics, Faculty of Medicine and Health Sciences, Andrzej Frycz Modrzewski Krakow University, Gustawa Herlinga-Grudzinskiego 1, 30-705, Krakow, Poland
| | - Alicja Rożnowska
- Department of Genetics, Faculty of Medicine and Health Sciences, Andrzej Frycz Modrzewski Krakow University, Gustawa Herlinga-Grudzinskiego 1, 30-705, Krakow, Poland
| | - Irena Najbar
- Centre of Education, Research and Development, Babinski University Hospital, Krakow, Poland
| | - Anna Sadakierska-Chudy
- Department of Genetics, Faculty of Medicine and Health Sciences, Andrzej Frycz Modrzewski Krakow University, Gustawa Herlinga-Grudzinskiego 1, 30-705, Krakow, Poland.
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Fan P, Kofler J, Ding Y, Marks M, Sweet RA, Wang L. Efficacy difference of antipsychotics in Alzheimer's disease and schizophrenia: explained with network efficiency and pathway analysis methods. Brief Bioinform 2022; 23:bbac394. [PMID: 36151774 PMCID: PMC9677501 DOI: 10.1093/bib/bbac394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/11/2022] [Accepted: 08/12/2022] [Indexed: 12/14/2022] Open
Abstract
Approximately 50% of Alzheimer's disease (AD) patients will develop psychotic symptoms and these patients will experience severe rapid cognitive decline compared with those without psychosis (AD-P). Currently, no medication has been approved by the Food and Drug Administration for AD with psychosis (AD+P) specifically, although atypical antipsychotics are widely used in clinical practice. These drugs have demonstrated modest efficacy in managing psychosis in individuals with AD, with an increased frequency of adverse events, including excess mortality. We compared the differences between the genetic variations/genes associated with AD+P and schizophrenia from existing Genome-Wide Association Study and differentially expressed genes (DEGs). We also constructed disease-specific protein-protein interaction networks for AD+P and schizophrenia. Network efficiency was then calculated to characterize the topological structures of these two networks. The efficiency of antipsychotics in these two networks was calculated. A weight adjustment based on binding affinity to drug targets was later applied to refine our results, and 2013 and 2123 genes were identified as related to AD+P and schizophrenia, respectively, with only 115 genes shared. Antipsychotics showed a significantly lower efficiency in the AD+P network than in the schizophrenia network (P < 0.001) indicating that antipsychotics may have less impact in AD+P than in schizophrenia. AD+P may be caused by mechanisms distinct from those in schizophrenia which result in a decreased efficacy of antipsychotics in AD+P. In addition, the network analysis methods provided quantitative explanations of the lower efficacy of antipsychotics in AD+P.
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Affiliation(s)
- Peihao Fan
- School of Pharmacy, University of Pittsburgh
| | | | - Ying Ding
- Department of Biostatistics at the University of Pittsburgh
| | - Michael Marks
- Center for Neuroscience at the University of Pittsburgh and the Department of Neurobiology
| | - Robert A Sweet
- UPMC Endowed Professor of Psychiatric Neuroscience and Professor of Neurology at the University of Pittsburgh
| | - Lirong Wang
- department of pharmaceutical sciences, school of pharmacy at University of Pittsburgh, USA
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Jebaliya H, Shah A, Karad SC, Nakum S, Dabhi B. Quantification of panel of most potent antipsychotic medicines by high throughput UPLC method. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Specific Anti-hostility Effects of Atypical Antipsychotics in Persons with Schizophrenia: From Clozapine to Cariprazine. Harv Rev Psychiatry 2021; 29:20-34. [PMID: 33417374 DOI: 10.1097/hrp.0000000000000275] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
LEARNING OBJECTIVE After participating in this activity, learners should be better able to:• Evaluate the anti-hostility effects of available atypical antipsychotic agents. ABSTRACT In addition to hallucinations and delusions, persons with schizophrenia may exhibit hostility. In clinical trials of antipsychotics, hostility is routinely measured as part of rating scales such as the Brief Psychiatric Rating Scale or Positive and Negative Syndrome Scale. The availability of the atypical antipsychotic clozapine in 1989 led to the observation that it is possible to have a treatment effect on hostility that is independent of the treatment effect on hallucinations or delusions, and independent of general sedative effects. The data supporting this notion of a specific anti-hostility effect are the most robust for clozapine as the data include specifically designed randomized, controlled clinical trials. A specific anti-hostility effect is also observable to various degrees with most of the other atypical antipsychotics, as evidenced in post hoc analyses of clinical trials originally conducted for regulatory purposes, supplemented by post hoc analyses of large effectiveness trials. The generalizability of these studies, however, may be limited. Participants in these trials were not selected for aggressive and hostile behavior. Some of the studies also excluded patients with substance use disorders. The latter is particularly important because alcohol and substance use are well known to increase risk for hostility and aggression. Nevertheless, the repeated demonstrations of the specificity of an anti-hostility effect (in terms of statistical independence of effects on other positive symptoms and of sedation) are of potential clinical importance.
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Barbosa WB, Gomes RM, Godman B, Acurcio FDA, Guerra Júnior AA. Real-world effectiveness of olanzapine and risperidone in the treatment of schizophrenia in Brazil over a 16-year follow-up period; findings and implications. Expert Rev Clin Pharmacol 2020; 14:269-279. [PMID: 33331189 DOI: 10.1080/17512433.2021.1865799] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Introduction: Antipsychotics are widely prescribed for patients with schizophrenia. The Brazilian public health system provides these patients free of charge to patients and it is pertinent to evaluate their benefits.Objective: To evaluate the effectiveness of olanzapine and risperidone in the treatment of patients with schizophrenia in the real-world and assessing risk factors for their discontinuation through a national non-concurrent cohort with 16 years of follow-up.Methods: Three SUS administrative databases were integrated by deterministic-probabilistic linkage. After patients were matched (1:1) for psychiatric hospitalization, year of receiving the antipsychotic, sex, and age, considering either olanzapine or risperidone at study entry. Kaplan-Meier was used to estimate the cumulative probabilities of discontinuation of treatment and associated factors were identified. Sensitivity analyses were performed.Results: 3416 pairs of patients were included. Olanzapine had a longer time until discontinuation of treatment (p = 0.021), and risperidone had a higher risk of discontinuation (p = 0.021). Among patients persistent for at least 24 months, there was no statistically significant difference.Conclusion: Olanzapine demonstrated superior real-world effectiveness over risperidone, in terms of survival and psychiatric hospitalization. This superiority was not sustained in all analyses.
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Affiliation(s)
- Wallace Breno Barbosa
- Department of Social Pharmacy, College of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil.,, SUS Collaborating Centre‑Technology Assessment and Excellence in Health (CCATES/UFMG), Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Rosângela Maria Gomes
- Department of Social Pharmacy, College of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil.,, SUS Collaborating Centre‑Technology Assessment and Excellence in Health (CCATES/UFMG), Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Brian Godman
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK.,Division of Clinical Pharmacology, Karolinska, Karolinska Institute, Stockholm, Sweden.,School of Pharmacy, Sefako Makgatho Health Sciences University, Garankuwa, South Africa
| | - Francisco de Assis Acurcio
- Department of Social Pharmacy, College of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil.,, SUS Collaborating Centre‑Technology Assessment and Excellence in Health (CCATES/UFMG), Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Augusto Afonso Guerra Júnior
- Department of Social Pharmacy, College of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil.,, SUS Collaborating Centre‑Technology Assessment and Excellence in Health (CCATES/UFMG), Federal University of Minas Gerais, Belo Horizonte, Brazil
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Liu W, Wang S, Lu W, Cheng Z, Jiang N. Sustained Release Ziprasidone Microparticles Prepared by Spray Drying with Soluplus® and Ethyl Cellulose to Eliminate Food Effect and Enhance Bioavailability. AAPS PharmSciTech 2019; 21:27. [PMID: 31858315 DOI: 10.1208/s12249-019-1592-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 11/25/2019] [Indexed: 11/30/2022] Open
Abstract
The purpose of this study was to develop and evaluate a new formulation of ziprasidone (ZIP) for improved fasted state absorption and sustained drug release. ZIP solid dispersions were produced via spray drying using Soluplus®, an amphiphilic polymer, as the solubility enhancer. Physicochemical analysis proved that ZIP presented at amorphous state in the spray-dried microparticles and the dissolution rate of ZIP from the Soluplus®-ZIP composite microparticles was significantly increased compared with that of the physical mixtures. Commonly used encapsulation materials including Eudragit® RL, Eudragit® S100 and Ethyl Cellulose were incorporated into the solid dispersions to regulate the drug release kinetics. The formulation containing ethyl cellulose provided the most sustained release behaviors. Pharmacokinetic studies in beagle dogs confirmed that there was no significant difference in oral bioavailability of the microparticles under fasted and fed states, and a prolonged Tmax value was simultaneously achieved compared with the commercial ZIP capsules.
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Regiec A, Wojciechowski P. Synthesis and experimental versus theoretical research on spectroscopic and electronic properties of 3-methyl-4-nitroisothiazole. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.06.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Clinical Outcomes in Patients Taking Inhaled Loxapine, Haloperidol, or Ziprasidone in the Emergency Department. Clin Neuropharmacol 2019; 42:23-26. [PMID: 30747748 PMCID: PMC6426345 DOI: 10.1097/wnf.0000000000000325] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Our objective was to compare outcomes of discharge disposition, need for additional medications, and restraint use for patients who received inhaled loxapine compared with patients receiving traditional antipsychotic drugs in the emergency department (ED). METHODS A retrospective chart review was conducted on all patients who presented to the ED with agitation and received antipsychotic therapy, including loxapine, ziprasidone, or haloperidol from December 1, 2014, through October 31, 2016. RESULTS The mean time from physician assignment to medical clearance was 7.9 hours for patients treated with inhaled loxapine versus 10.3 hours for controls (P < 0.01). Those who received inhaled loxapine were given significantly less benzodiazepines as additional rescue medications as compared with other antipsychotic medications (P < 0.01, 35.2% vs 65.1%). Additionally, restraints were utilized less frequently in the loxapine group (P < 0.01, 1.8% vs 19.8%). CONCLUSIONS Treating patients with agitation due to psychotic episodes in an ED setting with inhaled loxapine versus haloperidol or ziprasidone was associated with significantly improved treatment outcomes, suggesting that inhaled loxapine may be a more effective and rapid treatment option.
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Ziprasidone Augmentation of SSRI Antidepressants in Posttraumatic Stress Disorder: A Randomized, Placebo-Controlled Pilot Study of Augmentation Therapy. J Clin Psychopharmacol 2019; 39:153-157. [PMID: 30640209 DOI: 10.1097/jcp.0000000000001000] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Posttraumatic stress disorder (PTSD) is often a chronic, disabling illness for which antidepressant medications (ie, SSRI) are considered the primary psychopharmacological treatment. However, many patients remain refractory to antidepressants alone or in combination with psychotherapy. Safe and effective treatments for individuals with refractory PTSD are needed. This study aimed to examine ziprasidone augmentation of SSRI treatment of PTSD. METHODS This was a 2-phase study. In phase 1, subjects were treated with paroxetine or sertraline for 8 weeks. Individuals refractory to the SSRI treatment then entered into phase II of the study and were randomized, in a double-blind fashion, to 8 weeks of treatment with either ziprasidone or placebo. The primary outcome measure was change in Clinician Administered PTSD Scale total scores with the intent-to-treat sample. Secondary outcome measures included Positive and Negative Syndrome Scale scores, measures of depression and anxiety, and safety measures. RESULTS No significant differences were observed on the Clinician Administered PTSD Scale, Positive and Negative Syndrome Scale, or other outcome measures between ziprasidone and placebo groups. No significant differences were observed for safety measures including metabolic profiles, extrapyramidal symptoms/movement disorder rating scales, nor study dropout. CONCLUSIONS Although no significant differences were noted in efficacy or safety measures between ziprasidone and placebo in this pilot study, the small sample size prevents definitive conclusions.
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Čarapić M, Nikolic K, Marković B, Petković M, Pavlovic M, Agbaba D. Ultra-performance liquid chromatography tandem mass spectrometry for the rapid, simultaneous analysis of ziprasidone and its impurities. Biomed Chromatogr 2019; 33:e4384. [PMID: 30215855 DOI: 10.1002/bmc.4384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 08/27/2018] [Accepted: 09/07/2018] [Indexed: 11/06/2022]
Abstract
The separation and characterization of the unknown degradation product of second-generation antipsychotic drug ziprasidone are essential for defining the genotoxic potential of the compound. The aim of this study was to develop a simple UHPLC method coupled with tandem mass spectrometry (MS/MS) for chemical characterization of an unknown degradant, and the separation and quantification of ziprasidone and its five main impurities (I-V) in the raw material and pharmaceuticals. Chromatographic conditions were optimized by experimental design. The MS/MS fragmentation conditions were optimized individually for each compound in order to obtain both specific fragments and high signal intensity. A rapid and sensitive UHPLC-MS/MS method was developed. All seven analytes were eluted within the 7 min run time. The best separation was obtained on the Acquity UPLC BEH C18 (50 × 2.1 mm × 1.7 μm) column in gradient mode with ammonium-formate buffer (10 mm; pH 4.7) and acetonitrile as mobile phase, with the flow rate of 0.3 mL min-1 and at the column temperature of 30°C. The new UHPLC-MS/MS method was fully validated and all validation parameters were confirmed. The fragmentation pathways and chemical characterization of an unknown degradant were proposed and it was confirmed that there are no structural alerts concerning genotoxicity.
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Affiliation(s)
- Marija Čarapić
- Medicines and Medical Devices Agency of Serbia, Belgrade, Serbia
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Bojan Marković
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Miloš Petković
- Department of Organic Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Milena Pavlovic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
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Barbosa WB, Costa JDO, de Lemos LLP, Gomes RM, de Oliveira HN, Ruas CM, Acurcio FDA, Barbui C, Bennie M, Godman B, Guerra AA. Costs in the Treatment of Schizophrenia in Adults Receiving Atypical Antipsychotics: An 11-Year Cohort in Brazil. APPLIED HEALTH ECONOMICS AND HEALTH POLICY 2018; 16:697-709. [PMID: 30051254 PMCID: PMC6132453 DOI: 10.1007/s40258-018-0408-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
BACKGROUND Schizophrenia is associated with significant economic burden. In Brazil, antipsychotic drugs and outpatient and hospital services are provided by the Brazilian National Health System (SUS) for patients with schizophrenia. However, few studies capture the cost of managing these patients within the Brazilian NHS. This is important to appraise different management approaches within universal healthcare systems. OBJECTIVE Our objective was to use real-world data to describe the costs associated with the treatment of schizophrenia in adults receiving atypical antipsychotics in Brazil from 2000 to 2010. METHODS We integrated three national databases for adult patients with schizophrenia receiving one or more atypical antipsychotics. We assessed only direct medical costs and the study was conducted from a public-payer perspective. A multivariate log-linear regression model was performed to evaluate associations between costs and clinical and demographic variables. RESULTS We identified 174,310 patients with schizophrenia, with mean ± standard deviation (SD) annual costs of $US1811.92 ± 284.39 per patient. Atypical antipsychotics accounted for 79.7% of total costs, with a mean annual cost per patient of $US1578.74 ± 240.40. Mean annual costs per patient were $US2482.90 ± 302.92 for psychiatric hospitalization and $US862.96 ± 160.18 for outpatient psychiatric care. Olanzapine was used by 47.7% of patients and represented 62.8% of the total costs of atypical antipsychotics. Patients who used clozapine had the highest mean annual cost per patient for outpatient psychiatric care and psychiatric hospitalization. CONCLUSIONS Atypical antipsychotics were responsible for the majority of the schizophrenia treatment costs, and psychiatric hospitalization costs were the highest mean annual cost per patient. Authorities should ensure efficient use of atypical antipsychotics and encourage outpatient psychiatric care over psychiatric hospitalization where possible.
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Affiliation(s)
- Wallace Breno Barbosa
- Department of Social Pharmacy, College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
- SUS Collaborating Centre-Technology Assessment and Excellence in Health (CCATES/UFMG), College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
| | - Juliana de Oliveira Costa
- SUS Collaborating Centre-Technology Assessment and Excellence in Health (CCATES/UFMG), College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
- Department of Preventive and Social Medicine, College of Medicine, Federal University of Minas Gerais, Av. Prof. Alfredo Balena, 190, Santa Efigênia, Belo Horizonte, MG 30130-100 Brazil
| | - Lívia Lovato Pires de Lemos
- SUS Collaborating Centre-Technology Assessment and Excellence in Health (CCATES/UFMG), College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
- Department of Preventive and Social Medicine, College of Medicine, Federal University of Minas Gerais, Av. Prof. Alfredo Balena, 190, Santa Efigênia, Belo Horizonte, MG 30130-100 Brazil
| | - Rosângela Maria Gomes
- Department of Social Pharmacy, College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
- SUS Collaborating Centre-Technology Assessment and Excellence in Health (CCATES/UFMG), College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
| | - Helian Nunes de Oliveira
- Department of Preventive and Social Medicine, College of Medicine, Federal University of Minas Gerais, Av. Prof. Alfredo Balena, 190, Santa Efigênia, Belo Horizonte, MG 30130-100 Brazil
| | - Cristina Mariano Ruas
- Department of Social Pharmacy, College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
| | - Francisco de Assis Acurcio
- Department of Social Pharmacy, College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
- SUS Collaborating Centre-Technology Assessment and Excellence in Health (CCATES/UFMG), College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
| | - Corrado Barbui
- WHO Collaborating Centre for Research and Training in Mental Health and Service Evaluation, Department of Neuroscience, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy
| | - Marion Bennie
- Strathclyde Institute of Pharmacy and Biomedical Sciences, Strathclyde University, Glasgow, G4 0RE United Kingdom
| | - Brian Godman
- Strathclyde Institute of Pharmacy and Biomedical Sciences, Strathclyde University, Glasgow, G4 0RE United Kingdom
- Health Economics Centre, Liverpool University Management School, Chatham Street, Liverpool, UK
- Division of Clinical Pharmacology, Department of Laboratory Medicine, Karolinska Institute, Karolinska University Hospital Huddinge, 141 86 Stockholm, Sweden
- School of Pharmacy, Sefako Makgatho Health Sciences University, Molotlegi Street, Ga-Rankuwa, Pretoria, South Africa
| | - Augusto Afonso Guerra
- Department of Social Pharmacy, College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
- SUS Collaborating Centre-Technology Assessment and Excellence in Health (CCATES/UFMG), College of Pharmacy, Federal University of Minas Gerais, Av. Presidente Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG 31270-901 Brazil
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The effects of second generation antipsychotic drugs on sleep variables in healthy subjects and patients with schizophrenia. Sleep Med Rev 2017; 33:51-57. [DOI: 10.1016/j.smrv.2016.05.002] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 05/06/2016] [Accepted: 05/10/2016] [Indexed: 11/23/2022]
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Obradović D, Oljačić S, Nikolić K, Agbaba D. Influence of selected mobile phase properties on the TLC retention behavior of ziprasidone and its impurities. J LIQ CHROMATOGR R T 2017. [DOI: 10.1080/10826076.2017.1298026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Darija Obradović
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Slavica Oljačić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Katarina Nikolić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
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Monti JM. The effect of second-generation antipsychotic drugs on sleep parameters in patients with unipolar or bipolar disorder. Sleep Med 2016; 23:89-96. [PMID: 27692282 DOI: 10.1016/j.sleep.2016.04.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 04/07/2016] [Accepted: 04/11/2016] [Indexed: 11/28/2022]
Abstract
Sleep disturbances predominantly take the form of insomnia in patients with unipolar disorder, while patients with bipolar disorder show a decreased need for sleep. Sleep impairment in these patients is a risk factor for the development of a major depressive episode and suicidal behavior. Administration of second-generation antipsychotics (SGAs) olanzapine, quetiapine, and ziprasidone as augmentation therapy or monotherapy to unipolar and bipolar disorder patients, respectively, has been shown to improve sleep continuity and sleep architecture. Thus, their use by these patients could ameliorate their sleep disorder.
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Affiliation(s)
- Jaime M Monti
- Department of Pharmacology and Therapeutics, School of Medicine, Clinics Hospital, Montevideo, Uruguay.
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16
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Design and synthesis of new homo and hetero bis-piperazinyl-1-propanone derivatives as 5-HT7R selective ligands over 5-HT1AR. Bioorg Med Chem Lett 2016; 26:4052-6. [DOI: 10.1016/j.bmcl.2016.06.080] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 06/26/2016] [Accepted: 06/27/2016] [Indexed: 12/23/2022]
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17
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Obradović D, Filipić S, Nikolić K, Čarapić M, Agbaba D. Optimization of TLC method for separation and determination of ziprasidone and its impurities. J LIQ CHROMATOGR R T 2016. [DOI: 10.1080/10826076.2016.1163183] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Darija Obradović
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Slavica Filipić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Katarina Nikolić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Marija Čarapić
- Medicines and Medical Devices Agency of Serbia, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
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Miao Y, Chen G, Ren L, Ouyang P. Preparation and evaluation of ziprasidone–phospholipid complex from sustained-release pellet formulation with enhanced bioavailability and no food effect. J Pharm Pharmacol 2016; 68:185-94. [DOI: 10.1111/jphp.12510] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 11/29/2015] [Indexed: 12/20/2022]
Abstract
Abstract
Objectives
The purpose of this work was to develop ziprasidone–phospholipid complex (ZIP-PLC) in sustained-release pellets to enhance the oral bioavailability and overcome the food effect of ziprasidone.
Methods
Ziprasidone–phospholipid complex was formulated by solvent-evaporation method. The complexes were characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), powder X-ray diffraction (PXRD) and solubility testing. The optimized ZIP-PLC was used to prepare ZIP-PLC sustained-release pellets via extrusion–spheronization method. The pellets were characterized by in vitro drug-release studies and administered to fasted and fed beagle dogs, and their pharmacokinetics were compared with commercial formulation Zeldox capsule as a control.
Key findings
The results of FTIR, SEM, DSC and PXRD studies confirmed the formation of phospholipid complex. Solubility studies showed there was a higher solubility in water for ZIP-PLC than monohydrate ziprasidoe. The in vitro release rate of ziprasidone from the ZIP-PLC sustained-release pellet exhibited controlled-release characteristics with over 95% total release in 12 h. Pharmacokinetic studies in beagle dogs showed ziprasidone with prolong actions, and no food effect was achieved simultaneously in ZIP-PLC sustained-release pellet compared with Zeldox capsule.
Conclusions
The results indicated a sustained release with prolonged actions of schizophrenia and bipolar disorder treatment.
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Affiliation(s)
- Yanfei Miao
- School of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, China
| | - Guoguang Chen
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Lili Ren
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Pingkai Ouyang
- School of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, China
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Azorin JM, Simon N, Adida M, Belzeaux R. Pharmacological treatment of schizophrenia with comorbid substance use disorder. Expert Opin Pharmacother 2015; 17:231-53. [DOI: 10.1517/14656566.2016.1114101] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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20
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Leoni A, Locatelli A, Morigi R, Rambaldi M. 2-Indolinone a versatile scaffold for treatment of cancer: a patent review (2008-2014). Expert Opin Ther Pat 2015; 26:149-73. [PMID: 26561198 DOI: 10.1517/13543776.2016.1118059] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
INTRODUCTION 2-Indolinone is a well-known aromatic heterocyclic organic compound. A lot of work has been done on this bicyclic structure by academic and company researchers to synthesize compounds directed to a plethora of molecular targets in order to discover new drug leads. This review presents up-to-date information in the field of cancer therapy research based on this small building block. AREAS COVERED The present review gives an account of the recent patent literature (2008-2014) describing the discovery of 2-indolinone derivatives with selected therapeutic activities. In this period, a large amount of patents were published on this topic. We have limited the analysis to 37 patents on 2-indolinone derivatives having potential clinical application as chemotherapeutic agents. In this review, the therapeutic applications of 2-indolinone derivatives for the treatment of cancer reported in international patents have been discussed. EXPERT OPINION 2-Indolinone is the scaffold of the compounds considered from a medicinal chemistry perspective. Many of them have been developed and marketed for therapeutic use. In cancer chemotherapy, progress has been made in designing selective 2-indolinone derivatives. Some of them show preclinical efficacy. However, 2-indolinone has not exhausted all of its potential in the development of new compounds for clinical applications and remains a great tool for future research.
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Affiliation(s)
- Alberto Leoni
- a Dipartimento di Farmacia e Biotecnologie , Università degli Studi di Bologna , Bologna , Italy
| | - Alessandra Locatelli
- a Dipartimento di Farmacia e Biotecnologie , Università degli Studi di Bologna , Bologna , Italy
| | - Rita Morigi
- a Dipartimento di Farmacia e Biotecnologie , Università degli Studi di Bologna , Bologna , Italy
| | - Mirella Rambaldi
- a Dipartimento di Farmacia e Biotecnologie , Università degli Studi di Bologna , Bologna , Italy
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Abstract
INTRODUCTION Knowledge of the factors affecting the adoption of new medications can enhance mental health care and guide quality improvement and policy development. Food and Drug Administration indications for treating bipolar disorder with several second-generation antipsychotics (SGAs) in the 2000s represent an opportunity to identify factors that impact the spread of a then-innovative treatment through a new population. METHODS Analysis of Department of Veterans Affairs administrative data identified the population of 170,811 veterans diagnosed with bipolar disorder from 2003 to 2010. We analyzed time trends and predictors of antimanic choice (SGA vs other) among the 40,512 outpatients with bipolar disorder who initiated their first VA outpatient antimanic prescription, using multinomial logistic regression in month-by-month analyses. We conducted classwise analyses and investigated prespecified predictors among specific agents. RESULTS In classwise analyses, SGAs supplanted lithium, valproate, and carbamazepine/oxcarbazepine as the most commonly initiated antimanics by 2007. Psychosis, but not other indices of severity, predicted SGA initiation. Demographic analyses did not identify substantial disparities in initiation of SGAs. Drug-specific analyses revealed some consideration of medical comorbidities in choosing among specific antimanic agents, although effect sizes were small. Most patients initiating an antimanic had received an antidepressant in the previous year. DISCUSSION Second-generation antipsychotics quickly became the frontline antimanic treatment for bipolar disorder, although antidepressants most commonly predated antimanic prescriptions. Second-generation antipsychotics were used for a broad range of patients rather than being restricted to a severely ill subpopulation. The modest association of antimanic choice with relevant medical comorbidities suggests that continued attention to quality prescribing practices is warranted.
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Thombre AG, Shamblin SL, Malhotra BK, Connor AL, Wilding IR, Caldwell WB. Pharmacoscintigraphy studies to assess the feasibility of a controlled release formulation of ziprasidone. J Control Release 2015; 213:10-17. [DOI: 10.1016/j.jconrel.2015.06.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 04/08/2015] [Accepted: 06/23/2015] [Indexed: 11/25/2022]
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Szekely G, Amores de Sousa MC, Gil M, Castelo Ferreira F, Heggie W. Genotoxic Impurities in Pharmaceutical Manufacturing: Sources, Regulations, and Mitigation. Chem Rev 2015; 115:8182-229. [DOI: 10.1021/cr300095f] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Gyorgy Szekely
- School of Chemical Engineering & Analytical Science, The University of Manchester, The Mill, Sackville Street, Manchester M13 9PL, United Kingdom
| | - Miriam C. Amores de Sousa
- Department
of Bioengineering and Institute for Bioengineering and Biosciences
(iBB), Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, 1049-001, Lisbon, Portugal
| | - Marco Gil
- Hovione FarmaCiencia SA, R&D, Sete Casas, 2674-506, Loures, Portugal
| | - Frederico Castelo Ferreira
- Department
of Bioengineering and Institute for Bioengineering and Biosciences
(iBB), Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, 1049-001, Lisbon, Portugal
| | - William Heggie
- Hovione FarmaCiencia SA, R&D, Sete Casas, 2674-506, Loures, Portugal
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Mandrioli R, Protti M, Mercolini L. Evaluation of the pharmacokinetics, safety and clinical efficacy of ziprasidone for the treatment of schizophrenia and bipolar disorder. Expert Opin Drug Metab Toxicol 2014; 11:149-74. [PMID: 25483358 DOI: 10.1517/17425255.2015.991713] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
INTRODUCTION Multiple strategies exist for the pharmacological treatment of schizophrenia and related disorders. In the last 20 years, several 'new' compounds have been introduced, called 'atypical antipsychotics', which have higher efficacy and better tolerability than first-generation neuroleptics. Among them, ziprasidone (ZPR) is currently finding widespread use, and it has also been shown to be active as an augmenter in bipolar disorder therapy. AREAS COVERED This review aims to provide the latest information on ZPR, an 'atypical' agent for the pharmacological therapy of schizophrenia and bipolar disorder. A literature search has been carried out with the keywords 'ziprasidone', 'schizophrenia', 'psychosis', 'bipolar', 'pharmacokinetics' and 'clinical trials'. In this process, particular attention has been paid to the drug pharmacokinetic characteristics and its safety in clinical use. EXPERT OPINION ZPR shares most advantages and disadvantages with other atypical antipsychotics. However, it can be useful for its low tendency to cause metabolic syndrome and hyperprolactinaemia, especially in patients suffering from excess weight, hyperlipidaemia, diabetes or who have suffered from hyperprolactinaemia when using other antipsychotics. However, there are serious doubts as to whether ZPR should be administered to patients suffering from arrhythmias or QTc prolongation, and even more for administration to bipolar patients undergoing polypharmacy with antidepressants.
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Affiliation(s)
- Roberto Mandrioli
- Alma Mater Studiorum - University of Bologna, Department for Life Quality Studies (QuVi) , Corso d'Augusto 237, 47921 Rimini , Italy +39 0541 434624 ; +39 0541 434608 ;
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Miao Y, Chen G, Ren L, Pingkai O. Characterization and evaluation of self-nanoemulsifying sustained-release pellet formulation of ziprasidone with enhanced bioavailability and no food effect. Drug Deliv 2014; 23:2163-2172. [DOI: 10.3109/10717544.2014.950768] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Affiliation(s)
- Yanfei Miao
- School of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, China and
| | - Guoguang Chen
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Lili Ren
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Ouyang Pingkai
- School of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, China and
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26
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Yanfei M, Guoguang C, Lili R, Pingkai O. Controlled release of ziprasidone solid dispersion systems from osmotic pump tablets with enhanced bioavailability in the fasted state. Drug Dev Ind Pharm 2014; 41:1353-62. [DOI: 10.3109/03639045.2014.950273] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Abstract
Evidence-based treatment approaches for generalized anxiety disorder (GAD) comprise psychotherapy, pharmacotherapy, or a combination of the two. First-line pharmacotherapy agents include selective serotonin reuptake inhibitors, selective serotonin-norepinephrine reuptake inhibitors, and, in certain European guidelines, pregabalin, which gained European Commission approval. Although short- and long-term efficacy have been established for these agents in controlled trials, response rates of 60-70 % are insufficient, remission rates are relatively modest, and relapse rates considerable. Moreover, questions increasingly arise regarding tolerability and side-effect profiles. As an alternative, antipsychotics have long been of interest for the treatment of anxiety disorders, but investigation had been tempered by their potential for irreversible side effects. With the improved side-effect profiles of atypical antipsychotics, these agents are increasingly being investigated across Axis I disorders. Atypical antipsychotics such as quetiapine, aripiprazole, olanzapine, and risperidone have been shown to be helpful in addressing a range of anxiety and depressive symptoms in individuals with schizophrenia and schizoaffective disorders, and have since been used in the treatment of a range of mood and anxiety disorders. In this article, we review the efficacy and tolerability of atypical antipsychotics as adjunctive therapy and/or monotherapy for individuals with GAD, a currently off-label indication. The most evidence has accumulated for quetiapine. Findings suggest that approximately 50 % of participants tolerate the side effects, most commonly sedation and fatigue. Among this subset, those who continue treatment demonstrate significant reductions in anxiety when used as adjunctive therapy or monotherapy. The appropriateness of the use of antipsychotics in the treatment of GAD is discussed.
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Sacchetti E, Galluzzo A, Valsecchi P. Oral ziprasidone in the treatment of patients with bipolar disorders: a critical review. Expert Rev Clin Pharmacol 2014; 4:163-79. [DOI: 10.1586/ecp.10.139] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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29
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Citrome L. Ziprasidone HCl capsules for the adjunctive maintenance treatment of bipolar disorder in adults. Expert Rev Neurother 2014; 10:1031-7. [DOI: 10.1586/ern.10.66] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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30
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Pompili M, Serafini G, Innamorati M, Ambrosi E, Telesforo L, Venturini P, Giordano G, Battuello M, Lester D, Girardi P. Unmet treatment needs in schizophrenia patients: is asenapine a potential therapeutic option? Expert Rev Neurother 2014; 11:989-1006. [DOI: 10.1586/ern.11.82] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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31
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Mercolini L, Protti M, Fulgenzi G, Mandrioli R, Ghedini N, Conca A, Raggi MA. A fast and feasible microextraction by packed sorbent (MEPS) procedure for HPLC analysis of the atypical antipsychotic ziprasidone in human plasma. J Pharm Biomed Anal 2014; 88:467-71. [DOI: 10.1016/j.jpba.2013.09.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 09/04/2013] [Accepted: 09/07/2013] [Indexed: 01/08/2023]
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32
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Citrome L. A review of the pharmacology, efficacy and tolerability of recently approved and upcoming oral antipsychotics: an evidence-based medicine approach. CNS Drugs 2013; 27:879-911. [PMID: 24062193 DOI: 10.1007/s40263-013-0105-7] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Evidence-based medicine (EBM) is a broad concept, but the key elements include the incorporation of clinical judgment (which requires clinical experience) together with relevant scientific evidence while remaining mindful of the individual patient's values and preferences. Using the framework and philosophy of EBM, this systematic review summarizes the pharmacology, efficacy, and tolerability of newly approved oral antipsychotics, including iloperidone, asenapine, and lurasidone, and outlines what is known about agents that are in late-stage clinical development, such as cariprazine, brexpiprazole, zicronapine, bitopertin, and EVP-6124. Potential advantages and disadvantages of these agents over existing antipsychotics are outlined, centered on clinically relevant issues such as the potential for weight gain and metabolic abnormalities, potential association with somnolence/sedation, extra-pyramidal side effects, akathisia, and prolongation of the electrocardiogram (ECG) QT interval, as well as practical issues regarding dosing instructions, titration requirements, and drug-drug interactions. Lurasidone appears to be best in class in terms of minimizing untoward alterations in body weight and metabolic variables. However, iloperidone, asenapine, lurasidone, and cariprazine differ among themselves in terms of on-label dosing frequency (once daily for lurasidone and, presumably, cariprazine versus twice daily for iloperidone and asenapine), the need for initial titration to a therapeutic dose for iloperidone and possibly cariprazine, requirement to be taken sublingually for asenapine, requirement for administration with food for lurasidone, lengthening of the ECG QT interval (greater for iloperidone than for asenapine and no effect observed with lurasidone), and adverse effects such as akathisia (seen with cariprazine, lurasidone, and asenapine but not with iloperidone) and sedation (most notable with asenapine).
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Thombre AG, Caldwell WB, Friesen DT, McCray SB, Sutton SC. Solid Nanocrystalline Dispersions of Ziprasidone with Enhanced Bioavailability in the Fasted State. Mol Pharm 2012; 9:3526-34. [DOI: 10.1021/mp3003607] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Avinash G. Thombre
- Pfizer Inc., Center for Discovery
and Development Sciences, Groton, Connecticut 06340, United States
| | | | | | | | - Steven C. Sutton
- Pfizer Inc., Center for Discovery
and Development Sciences, Groton, Connecticut 06340, United States
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34
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Park S, Kim MS, Namkoong C, Park MH, Hong JP. The effect of ziprasidone on body weight and energy expenditure in female rats. Metabolism 2012; 61:787-93. [PMID: 22209671 DOI: 10.1016/j.metabol.2011.10.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2011] [Revised: 10/19/2011] [Accepted: 10/19/2011] [Indexed: 11/17/2022]
Abstract
Ziprasidone, a novel antipsychotic agent with a unique receptor-binding profile, has been reported to have lower propensity for weight gain compared with other atypical antipsychotics. Here, we examined the effects of ziprasidone on resting energy expenditure, physical activity, thermogenesis, food intake, and weight gain in female Sprague-Dawley rats. Ziprasidone (20 mg/kg) or vehicle was administered once daily for 7 weeks; and body weight, food intake, resting energy expenditure, locomotor activity, colonic temperature on cold exposure, and abdominal fat were measured. Compared with control animals, ziprasidone-treated rats gained significantly less weight (P = .031), had a lower level of physical activity (P = .016), showed a higher resting energy expenditure (P < .001), and displayed a greater capacity for thermogenesis when subjected to cold (P < .001). In addition, ziprasidone-treated rats had a lower level of abdominal fat than did controls, although the difference was not significant. Ziprasidone had no effect on food intake. Our results indicate that, in female Sprague-Dawley rats, a 7-week treatment regimen of ziprasidone induces a significant decrease in weight gain by increasing resting energy expenditure without decreasing food intake and even with a lower level of physical activity. Further studies are needed to elucidate the precise mechanism of lower propensity of weight gain of ziprasidone.
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Affiliation(s)
- Subin Park
- Department of Psychiatry, Asan Medical Center, Ulsan University College of Medicine, Seoul, South Korea
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Thombre AG, Shah JC, Sagawa K, Caldwell WB. In vitro and in vivo characterization of amorphous, nanocrystalline, and crystalline ziprasidone formulations. Int J Pharm 2012; 428:8-17. [PMID: 22349051 DOI: 10.1016/j.ijpharm.2012.02.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Revised: 01/27/2012] [Accepted: 02/05/2012] [Indexed: 11/30/2022]
Abstract
Ziprasidone, commercially available as Geodon capsules, is an atypical antipsychotic used in the treatment of schizophrenia and bipolar disorder. It is a BCS Class II drug that shows up to a 2-fold increase in absorption in the presence of food. Because compliance is a major issue in this patient population, we developed and characterized solubilized formulations of ziprasidone in an effort to improve absorption in the fasted state, thereby resulting in a reduced food effect. Three formulations utilizing solubilization technologies were studied: (1) an amorphous inclusion complex of ziprasidone mesylate and a cyclodextrin, (2) a nanosuspension of crystalline ziprasidone free base, and (3) jet-milled ziprasidone HCl coated crystals made by spray drying (CCSD) the drug with hypromellose acetate succinate. The formulations were characterized by in vitro methods appropriate to each particular solubilization technology. These studies confirmed that ziprasidone mesylate - cyclodextrin was an amorphous inclusion complex with enhanced dissolution rates. The ziprasidone free base crystalline nanosuspension showed a mean particle size of 274 nm and a monomodal particle size distribution. In a membrane permeation test, the CCSD showed a 1.5-fold higher initial flux compared to crystalline ziprasidone HCl. The three formulations were administered to fasted beagle dogs and their pharmacokinetics compared to Geodon capsules administered in the fed state. The amorphous complex and the nanosuspension showed increased absorption in the fasted state, indicating that solubilized formulations of ziprasidone have the potential to reduce the food effect in humans.
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Affiliation(s)
- Avinash G Thombre
- Pharmaceutical R&D, Worldwide Research & Development, Pfizer Inc., Eastern Point Road, Groton, CT 06340, USA.
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36
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Improved Ziprasidone Formulations with Enhanced Bioavailability in the Fasted State and a Reduced Food Effect. Pharm Res 2011; 28:3159-70. [DOI: 10.1007/s11095-011-0505-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2011] [Accepted: 06/01/2011] [Indexed: 10/18/2022]
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Citrome L. Iloperidone, asenapine, and lurasidone: a brief overview of 3 new second-generation antipsychotics. Postgrad Med 2011; 123:153-62. [PMID: 21474903 DOI: 10.3810/pgm.2011.03.2273] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Three new second-generation antipsychotics were approved by the US Food and Drug Administration in 2009 and 2010: iloperidone, asenapine, and lurasidone. All 3 agents are approved for the treatment of acute schizophrenia in adults, and asenapine is also approved for the maintenance treatment of schizophrenia and as a monotherapy or as an adjunct to lithium or valproate for the treatment of bipolar manic or mixed episodes. The expectation is that these new agents will be less problematic regarding treatment-emergent weight gain and metabolic disturbances, which unfortunately can occur with several other second-generation antipsychotics. Asenapine is a sublingual preparation, in contrast to iloperidone and lurasidone, which are swallowed. Iloperidone and asenapine are dosed twice daily, in contrast to lurasidone, which is dosed once daily with food. Both asenapine and lurasidone can be initiated at a dose that is possibly therapeutic, but iloperidone requires 4 days of titration to reach its recommended target dose range. Although both asenapine and lurasidone can be associated with dose-related treatment-emergent akathisia, iloperidone is essentially free of extrapyramidal adverse effects or akathisia throughout its recommended dose range. Sedation and/or somnolence have been reported with each medication. They are the most common adverse events associated with asenapine treatment, and are clearly dose-related for lurasidone. In contrast, no therapeutic dose response for iloperidone, asenapine, or lurasidone is clearly evident from short-term clinical trials. Longer-term and naturalistic studies will be helpful in evaluating these agents and their role in the psychiatric armamentarium.
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Affiliation(s)
- Leslie Citrome
- New York University School of Medicine, Department of Psychiatry, New York, NY, USA.
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Abstract
INTRODUCTION Ziprasidone is a second-generation antipsychotic approved for the treatment of schizophrenia and bipolar disorder. The purpose of this review is to assess the overall safety profile of ziprasidone, including its risk for prolonging the electrocardiogram (ECG) QT interval. AREAS COVERED This paper is a review of product labeling and English language reports located through PubMed and information available on regulatory agency websites, with a focus on the safety and tolerability of ziprasidone. EXPERT OPINION Although ziprasidone can prolong the ECG QT interval, this has not resulted in increases in sudden death or cardiac sudden death as noted in a large, simple trial and supported by almost a decade of real-world use in the US. Ziprasidone's principal advantage over some other second-generation antipsychotics has been its overall favorable weight and metabolic profile. Similar to most second-generation antipsychotics, ziprasidone has a lower propensity for extrapyramidal side effects and hyperprolactinemia compared to first-generation antipsychotics.
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Affiliation(s)
- Leslie Citrome
- New York University School of Medicine, 11 Medical Park Drive, Suite 106, Pomona, NY 10970, USA.
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Mattei C, Rapagnani MP, Stahl SM. Ziprasidone hydrocloride: what role in the management of schizophrenia? J Cent Nerv Syst Dis 2011; 3:1-16. [PMID: 23861634 PMCID: PMC3663608 DOI: 10.4137/jcnsd.s4138] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background Since schizophrenia is considered one of the top ten causes of disease-related disability in the world, the development of second-generation (atypical) antipsychotics (SGAs) has increased the hopes of psychiatrists. SGAs, however, cannot be considered a unique pharmacological class since each SGA has many complex pharmacologic actions, only some of which are shared with other SGAs. Even though manyantipsychotics have similar efficacy on average, prescribers may be able to achieve better than average results by considering differences in selecting a specific drug for a specific patient. Clinicians know that each patient is unique. In order to achieve best outcomes for the individual patient, the better therapy is the therapy tailored for the single patient. Objectives With this article, we provide information on a relatively new antipsychotic ziprasidone released in 2001 by Pfizer for the treatment of schizophrenia. Compared with other first line atypical antipsychotics ziprasidone has a unique profile due to potent interaction with serotonergic receptors and lesser action upon α1 adrenergic, H1 and M1 antagonist activities. This paper describes the development of ziprasidone, its unique properties and its metabolically-friendly profile including its receptor binding affinities, pharmacokinetics, CNS activity results of clinical efficacy and relevant clinical trials. Safety, efficacy and patient preference are also examined. The available literature on ziprasidone of the last five years is reviewed.
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Affiliation(s)
- Chiara Mattei
- Department of Psychiatry, University of California San Diego, CA, USA. ; Department of Psychiatry, University of Genoa, Genoa, Italy
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Citrome L. Lurasidone for schizophrenia: a review of the efficacy and safety profile for this newly approved second-generation antipsychotic. Int J Clin Pract 2011; 65:189-210. [PMID: 21129135 DOI: 10.1111/j.1742-1241.2010.02587.x] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE To describe the efficacy and safety of lurasidone for the treatment of schizophrenia. DATA SOURCES The pivotal registration trials were accessed by querying the literature databases PubMed, EMBASE, ISI Web of Knowledge, as well as http://www.fda.gov and http://www.clinicaltrials.gov for the search term 'lurasidone'. Product labelling provided additional information. STUDY SELECTION All available clinical reports of studies were identified. DATA EXTRACTION Descriptions of the principal results and calculation of number needed to treat (NNT) and number needed to harm (NNH) for relevant dichotomous outcomes were extracted from the available study reports, abstracts and posters. Additional safety outcomes subject to NNH analysis were obtained from product labelling. DATA SYNTHESIS Lurasidone is a second-generation antipsychotic approved for the treatment of schizophrenia at a recommended starting dose of 40 mg/day administered once daily with food (≥350 calories). The maximum recommended dose is 80 mg/day. Regulatory approval was based primarily on a clinical trial programme that included four 6-week randomised clinical trials demonstrating efficacy vs. placebo in acute patients with schizophrenia. One additional Phase II clinical trial was considered a failed study because neither lurasidone nor the active control, haloperidol, separated from placebo on the primary outcome measure. One additional Phase III study was completed after the new drug application was submitted to the US Food and Drug Administration. Efficacy outcomes appear consistently in favour of lurasidone 80 mg/day vs. placebo on multiple measures of psychopathology, however, at least two studies also demonstrated efficacy for the doses of 40 and 120 mg/day. NNT vs. placebo was 3-6 for response as defined by ≥20% reduction in psychopathological rating scale total scores from baseline, depending on the study and the dose. Response as defined by a ≥30% improvement yielded NNTs ranging from 7 to 13. The most common adverse events in the clinical trials were somnolence (broadly defined), akathisia, nausea, parkinsonism and agitation. As estimated from product labelling, NNH vs. placebo was dose dependent for somnolence, with a NNH of 6 for lurasidone 120 mg/day, compared with NNHs of 8, 11 and 20, for 80, 40 and 20 mg/day, respectively. For akathisia NNH was 6 for lurasidone 120 mg/day, compared to NNHs of 9, 13 and 34 for 80, 40 and 20 mg/day, respectively. Lurasidone is associated with minimal weight gain and no clinically meaningful alterations in glucose, lipids, prolactin or the ECG QT interval. CONCLUSIONS Lurasidone 40 and 80 mg/day appear efficacious and tolerable in the treatment of schizophrenia. Doses above 80 mg/day do not appear to confer added benefit and may be associated with a dose-related increase in certain adverse reactions. Principal advantages over some other second-generation antipsychotics are lurasidone's highly favourable metabolic profile and once-daily dosing regimen. Additional data regarding long-term efficacy and effectiveness will help characterise this new agent when used in maintenance treatment.
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Affiliation(s)
- L Citrome
- Department of Psychiatry, New York University School of Medicine, New York, NY, USA.
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Citrome L. Lurasidone for Schizophrenia: A Brief Review of a New Second-Generation Antipsychotic. ACTA ACUST UNITED AC 2011; 4:251-7. [DOI: 10.3371/csrp.4.4.5] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Reddy CR, Jithender E, Krishna G, Reddy GV, Jagadeesh B. A novel acid-catalyzed C5-alkylation of oxindoles using alcohols. Org Biomol Chem 2011; 9:3940-7. [DOI: 10.1039/c0ob01144d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Rummel-Kluge C, Komossa K, Schwarz S, Hunger H, Schmid F, Lobos CA, Kissling W, Davis JM, Leucht S. Head-to-head comparisons of metabolic side effects of second generation antipsychotics in the treatment of schizophrenia: a systematic review and meta-analysis. Schizophr Res 2010; 123:225-33. [PMID: 20692814 PMCID: PMC2957510 DOI: 10.1016/j.schres.2010.07.012] [Citation(s) in RCA: 454] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2010] [Revised: 06/17/2010] [Accepted: 07/14/2010] [Indexed: 12/15/2022]
Abstract
OBJECTIVE The metabolic side effects of second-generation antipsychotics (SGA) are serious and have not been compared head to head in a meta-analysis. We conducted a meta-analysis of studies comparing the metabolic side effects of the following SGAs head-to-head: amisulpride, aripiprazole, clozapine, olanzapine, quetiapine, risperidone, sertindole, ziprasidone, zotepine. METHOD We searched the register of the Cochrane schizophrenia group (last search May 2007), supplemented by MEDLINE and EMBASE (last search January 2009) for randomized, blinded studies comparing the above mentioned SGA in the treatment of schizophrenia or related disorders. At least three reviewers extracted the data independently. The primary outcome was weight change. We also assessed changes of cholesterol and glucose. The results were combined in a meta-analysis. RESULTS We included 48 studies with 105 relevant arms. Olanzapine produced more weight gain than all other second-generation antipsychotics except for clozapine where no difference was found. Clozapine produced more weight gain than risperidone, risperidone more than amisulpride, and sertindole more than risperidone. Olanzapine produced more cholesterol increase than aripiprazole, risperidone and ziprasidone. (No differences with amisulpride, clozapine and quetiapine were found). Quetiapine produced more cholesterol increase than risperidone and ziprasidone. Olanzapine produced more increase in glucose than amisulpride, aripiprazole, quetiapine, risperidone and ziprasidone; no difference was found with clozapine. CONCLUSIONS Some SGAs lead to substantially more metabolic side effects than other SGAs. When choosing an SGA for an individual patient these side effects with their potential cause of secondary diseases must be weighed against efficacy and characteristics of the individual patient.
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Affiliation(s)
- Christine Rummel-Kluge
- Klinik und Poliklinik für Psychiatrie und Psychotherapie der Technischen Universität München, Klinikum rechts der Isar, Möhlstr. 26, 81675 München, Germany.
| | - Katja Komossa
- Klinik und Poliklinik für Psychiatrie und Psychotherapie der Technischen Universität München, Klinikum rechts der Isar, Möhlstr. 26, 81675 München, Germany
| | - Sandra Schwarz
- Klinik und Poliklinik für Psychiatrie und Psychotherapie der Technischen Universität München, Klinikum rechts der Isar, Möhlstr. 26, 81675 München, Germany
| | - Heike Hunger
- Klinik und Poliklinik für Psychiatrie und Psychotherapie der Technischen Universität München, Klinikum rechts der Isar, Möhlstr. 26, 81675 München, Germany
| | - Franziska Schmid
- Klinik und Poliklinik für Psychiatrie und Psychotherapie der Technischen Universität München, Klinikum rechts der Isar, Möhlstr. 26, 81675 München, Germany
| | - Claudia Asenjo Lobos
- Capacitacion, Investigacion y Gestion basada en la evidencia, University de la Frontera, Temuco, Chile
| | - Werner Kissling
- Klinik und Poliklinik für Psychiatrie und Psychotherapie der Technischen Universität München, Klinikum rechts der Isar, Möhlstr. 26, 81675 München, Germany
| | - John M Davis
- Gilman Professor of Psychiatry, Psychiatric Institute, Department of Psychiatry,. University of Illinois at Chicago, 1601 W. Taylor Street, Chicago, IL USA
| | - Stefan Leucht
- Klinik und Poliklinik für Psychiatrie und Psychotherapie der Technischen Universität München, Klinikum rechts der Isar, Möhlstr. 26, 81675 München, Germany
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Citrome L. Iloperidone: chemistry, pharmacodynamics, pharmacokinetics and metabolism, clinical efficacy, safety and tolerability, regulatory affairs, and an opinion. Expert Opin Drug Metab Toxicol 2010; 6:1551-64. [PMID: 21034370 DOI: 10.1517/17425255.2010.531259] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
IMPORTANCE OF THE FIELD Iloperidone is a newly commercialized second-generation (atypical) antipsychotic approved for the acute treatment of schizophrenia in adults. AREAS COVERED IN THIS REVIEW the purpose of this review is to describe the pharmacokinetic profile of iloperidone and its clinical implications in the treatment of schizophrenia. Background information is also provided regarding chemistry, pharmacodynamics, clinical efficacy and safety data, and regulatory affairs. WHAT THE READER WILL GAIN the reader will have an understanding of the pharmacokinetics and overall metabolism of iloperidone within the context of efficacy and safety. TAKE HOME MESSAGE time to peak plasma concentration occurs in 2 - 4 h but elimination half-life is 18 h for extensive CYP2D6 metabolizers and 33 h for poor CYP2D6 metabolizers, suggesting that once or twice daily dosing would be feasible. Dizziness and/or postural hypotension are the limiting factors for how fast iloperidone can be titrated, and is explained by iloperidone and its metabolites' norepinephrine alpha 1 antagonism. Efficacy of iloperidone appears similar to that for ziprasidone and haloperidol, but iloperidone may be inferior in efficacy to risperidone. Iloperidone can prolong the ECG QT interval. The tolerability profile of iloperidone is noteworthy in terms of modest weight gain, no medically important changes in lipid and glucose, little in the way of prolactin elevation, and an absence of extrapyramidal adverse effects, including akathisia.
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Affiliation(s)
- Leslie Citrome
- New York University School of Medicine, New York City, NY, USA.
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Penfold RB, Kelleher KJ, Wang W, Strange B, Pajer K. Pediatric uptake of a newly available antipsychotic medication. Pediatrics 2010; 125:475-82. [PMID: 20142282 DOI: 10.1542/peds.2009-1288] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE The uptake of new antipsychotic medications among children has not been studied adequately. Although ziprasidone received Food and Drug Administration approval for the treatment of psychotic disorders among children in June 2009, it first became available for off-label use by children in 2001 and presented an excellent case study for off-label market entry. The objective of this study was to determine the pattern of initiation and switching for off-label use of ziprasidone among Michigan children who were insured by Medicaid in the first year that ziprasidone was available. METHODS We conducted a retrospective study by using Michigan Medicaid data for patients who were aged <21 years and had 2 years of continuous enrollment and at least 1 prescription for ziprasidone in the first year the medication was available. The main outcome measures were proportion of children prescribed ziprasidone as their first antipsychotic, with evidence of treatment resistance, and by a psychiatrist. RESULTS In the first year, 292 individuals who met criteria were prescribed ziprasidone. Approximately 53% had a diagnosis of psychosis. Explosive personality disorder and oppositional defiant disorder were the next most common diagnoses. For 33% of individuals, this was the first antipsychotic medication. Only 12% of individuals showed evidence of treatment resistance to other antipsychotic medications before switching to ziprasidone. CONCLUSIONS During the period when ziprasidone had no approved pediatric usages, a small percentage of patients who were prescribed ziprasidone showed evidence of treatment resistance, the primary expected indication. Some prescribing for ziprasidone in the first year in this population could be considered inappropriate considering what was known about the safety and efficacy of ziprasidone in children and adolescents at the time. "Fail first" and prior authorization policies may be appropriate in the first year a medication is available so as to protect children from potential serious harm.
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Affiliation(s)
- Robert B Penfold
- Harvard Medical School and Harvard Pilgrim Healthcare Institute, Department of Population Medicine, 133 Brookline Ave, 6th Floor, Boston, MA 02215, USA.
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Citrome L. Iloperidone for schizophrenia: a review of the efficacy and safety profile for this newly commercialised second-generation antipsychotic. Int J Clin Pract 2009; 63:1237-48. [PMID: 19624791 DOI: 10.1111/j.1742-1241.2009.02142.x] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE The aim of the study was to describe the efficacy and safety of iloperidone for the treatment of schizophrenia. DATA SOURCES The pivotal registration trials were accessed by querying http://www.pubmed.gov, http://www.fda.gov and http://www.clinicaltrials.gov for the search term 'iloperidone'. STUDY SELECTION Four published primary reports of phase III studies were identified as well as preclinical animal and receptor affinity studies that describe potential mechanisms of action and pharmacogenomic studies that identify potential genetic biomarkers for efficacy and tolerability. Product labelling provided additional data. DATA EXTRACTION Descriptions of the principal results and calculation of number needed to treat (NNT) and number needed to harm (NNH) for relevant dichotomous outcomes were extracted from the study reports. Additional safety outcomes subject to NNH analysis were obtained from product labelling. DATA SYNTHESIS Iloperidone is a second-generation antipsychotic agent indicated for the acute treatment of schizophrenia in adults. Iloperidone has been evaluated in several double-blind placebo-controlled clinical trials. The oral formulation has demonstrated efficacy in reducing the symptoms of acute schizophrenia at fixed daily doses ranging from 12 to 24 mg. Data reported for categorical definitions of response using the Positive and Negative Syndrome Scale were limited to one study and specifically to rates of achieving a > or = 20% decrease in the positive subscale from baseline; significantly more patients receiving iloperidone 24 mg/day (72%) than placebo (52%) met this criterion, yielding a NNT of five. Iloperidone should be titrated slowly to avoid orthostatic hypotension, potentially delaying the achievement of a therapeutic dose level. There appears to be a dose relationship for adverse events such as dizziness, somnolence and dry mouth; for example NNH vs. placebo for somnolence was 25 for iloperidone 10-16 mg/day and 10 for 20-24 mg/day. There is a possibility of a therapeutic dose response as well. Iloperidone is essentially free of extra-pyramidal side effects. Iloperidone is associated with weight gain comparable with risperidone. Long-term double-blind maintenance studies have demonstrated iloperidone's non-inferiority to haloperidol for relapse prevention. Product labelling includes a warning about the potential for QT interval prolongation. At present there are no efficacy studies available that are powered to directly compare iloperidone with other second-generation antipsychotics. The development of a depot formulation of iloperidone as well as efforts to identify genetic biomarkers for prediction of both efficacy and tolerability are in progress. CONCLUSIONS Aside from paliperidone, iloperidone is the first new second-generation antipsychotic to be commercialised in the USA since 2002. From the limited registration data, iloperidone appears to be relatively well tolerated once titrated to a therapeutic level and can be a useful option to consider. The development of a depot formulation and potential for genetic biomarkers may make this agent compelling. Further comparisons with other available agents among patients with schizophrenia in the 'real world' are needed.
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Affiliation(s)
- L Citrome
- New York University School of Medicine, Department of Psychiatry, and Nathan S. Kline Institute for Psychiatric Research, 140 Old Orangeburg Road, Orangeburg, NY 10962, USA.
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Citrome L. Using oral ziprasidone effectively: the food effect and dose-response. Adv Ther 2009; 26:739-48. [PMID: 19669631 DOI: 10.1007/s12325-009-0055-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2009] [Indexed: 11/25/2022]
Abstract
Ziprasidone is a newer "atypical" or "second-generation" antipsychotic. Oral ziprasidone (ziprasidone hydrochloride) has been approved by the US Food and Drug Administration (FDA) for the treatment of schizophrenia, and acute manic or mixed episodes associated with bipolar disorder (with or without psychotic features). Comparisons with other second-generation antipsychotics in meta-analyses reveal similar efficacy to that observed for quetiapine or aripiprazole, but inferior efficacy to that of olanzapine or risperidone in the treatment of schizophrenia. However, the rate of dose titration and the dose achieved may have an important bearing on ziprasidone's efficacy profile, with a target dose range of 120-160 mg/day being associated with optimal symptom control and greater persistence with treatment. In addition, enhancing ziprasidone's effectiveness requires ensuring that ziprasidone is administered with a 500 kcal meal; otherwise, absorption of oral ziprasidone is substantially reduced and cannot be compensated for by increasing the prescribed dose. Regarding tolerability, ziprasidone has important advantages in that it is not associated with clinically significant weight gain or adverse changes in cholesterol, triglycerides, or glycemic control, and patients may experience moderate improvement in these measures when switching to ziprasidone from a different antipsychotic. Ziprasidone also lacks significant persistent effects on prolactin levels, is not anticholinergic, and only infrequently causes extrapyramidal side effects or postural hypotension; however, it can be associated with somnolence. Ziprasidone may prolong the electrocardiogram (ECG) QT interval but this does not appear to pose a substantial clinical problem. Provided that an adequate dose of ziprasidone is prescribed, and administered with a 500 kcal meal, ziprasidone can be effectively used to control symptoms without the long-term liabilities of metabolic side effects.
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Affiliation(s)
- Leslie Citrome
- Department of Psychiatry, Nathan S. Kline Institute for Psychiatric Research, New York University School of Medicine, Orangeburg, NY 10962, USA.
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Mitchell PB, Loo CK, Breakspear M. Recent progress in the pharmacotherapy of bipolar disorder. FUTURE NEUROLOGY 2009. [DOI: 10.2217/fnl.09.18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bipolar disorder is a common and highly disabling condition necessitating early and effective therapeutic intervention. This review focuses on recent progress in pharmacotherapies reported in the last few years. The recent literature suggests two distinct developmental themes. The first is the consolidation of knowledge concerning the role of the atypical antipsychotics and anticonvulsants in bipolar disorder, with increasing clarity regarding which actions are ‘class effects’ and which actions are, in contrast, specific to particular agents. The second theme is the first ‘glimmerings’ of the mood stabilizing efficacy of compounds with ‘novel’ actions, with tamoxifen being perhaps the agent of most interest. While demonstration of the efficacy of truly innovative compounds developed specifically for bipolar disorder has yet to occur, the gradual understanding of some of the critical pharmacological mechanisms of action of current agents suggests that this may not be too distant a reality.
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Affiliation(s)
- Philip B Mitchell
- University of New South Wales, and, Black Dog Institute, Randwick, NSW 2031, Australia
| | - Colleen K Loo
- University of New South Wales, and, Black Dog Institute, Randwick, NSW 2031, Australia
| | - Michael Breakspear
- University of New South Wales, and, Black Dog Institute, Randwick, NSW 2031, Australia
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Oruch R, Hodneland E, Pryme IF, Holmsen H. In thrombin stimulated human platelets Citalopram, Promethazine, Risperidone, and Ziprasidone, but not Diazepam, may exert their pharmacological effects also through intercalation in membrane phospholipids in a receptor-independent manner. J Chem Biol 2009; 2:89-103. [PMID: 19568786 PMCID: PMC2701490 DOI: 10.1007/s12154-009-0018-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2009] [Accepted: 03/31/2009] [Indexed: 10/31/2022] Open
Abstract
Intercalation of drugs in the platelet membrane affects phospholipid-requiring enzymatic processes according to the drugs' intercalation capability. We investigated effects of Promethazine, Citalopram, Ziprasidone, Risperidone, and Diazepam on phospholipase A(2) (PLA(2)) and polyphosphoinositide (PPI) metabolism in thrombin-stimulated human platelets. We also examined effects of the drugs on monolayers of glycerophospholipids using the Langmuir technique. Diazepam did not influence PLA( 2 ) activity, had no effects on PPI cycle, and caused no change in mean molecular area of phospholipid monolayers. The remaining psychotropic drugs affected these parameters in different ways and levels of potency suggesting that they act by being intercalated between the molecules of adjacent membrane phospholipids, thus causing changes in substrate availability for phospholipid-hydrolyzing enzymes (PLA(2) and Phospholipase C). We show that several psychotropic drugs can also have other cellular effects than receptor antagonism. These effects may be implicated in the psychotropic effects of the drugs and/or their side effects.
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Affiliation(s)
- Ramadhan Oruch
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway,
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Rosa AR, Franco C, Torrent C, Comes M, Cruz N, Horga G, Benabarre A, Vieta E. Ziprasidone in the treatment of affective disorders: a review. CNS Neurosci Ther 2009; 14:278-86. [PMID: 19040553 DOI: 10.1111/j.1755-5949.2008.00056.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Ziprasidone was the fifth atypical antipsychotic approved by Food and Drug Administration (FDA) for use in bipolar mania and mixed episodes. This atypical antipsychotic has a unique profile, as it acts primarily through serotonergic and dopaminergic receptor antagonism, but also exerts effects as an inhibitor of norepinephrine reuptake. Moreover, one of the advantages of ziprasidone is its safety profile as it is not associated with clinically significant metabolic side effects and little or no effect on prolactin level or anticholinergic side effects. Most of the studies evaluating ziprasidone's efficacy and safety are short-term double-blind, placebo-controlled studies in acute mania and mixed episodes. In two of them, ziprasidone was associated to significant improvement in the primary measures assessed. However, an add-on study, lithium plus ziprasidone showed similar results than lithium monotherapy, although there was a significant advantage for the combination within the first week. In a more recent trial, ziprasidone was compared with placebo and haloperidol as monotherapies, again beating placebo. In that trial, ziprasidone appeared to be safer and better tolerated, although less likely efficacious than haloperidol. Particularly, subjects treated with ziprasidone were less likely to switch to depression. Despite the well-studied efficacy of ziprasidone in the first weeks of treatment, there are no controlled trials that evaluate the role and efficacy of ziprasidone in long-term treatment of bipolar disorder (BD). Overall, in the open-label extension studies, there was a global improvement at all visits compared with baseline scores. Furthermore, ziprasidone appears to offer some antidepressant effect in patients with major depressive episode and resistant to treatment, as demonstrated in add-on open-label studies with ziprasidone plus selective serotonin reuptake inhibitor (SSRI).
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Affiliation(s)
- Adriane R Rosa
- Bipolar Disorders Program, Hospital Clinic, University of Barcelona, IDIBAPS, CIBER-SAM, Barcelona, Spain
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