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Zhang Y, Yu JG, Wen W. Recent Advances in representative small-molecule DRD2 inhibitors: Synthetic Routes and clinical applications. Eur J Med Chem 2024; 277:116731. [PMID: 39098130 DOI: 10.1016/j.ejmech.2024.116731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2024] [Revised: 07/19/2024] [Accepted: 07/21/2024] [Indexed: 08/06/2024]
Abstract
The dopamine D2 receptor (DRD2) represents a pivotal target for therapeutic intervention in the treatment of neuropsychiatric disorders, including schizophrenia, bipolar disorder, and Parkinson's disease. The successful discovery of numerous effective DRD2 inhibitors has led to their clinical application and ongoing evaluation in various clinical trials. This review explores the synthetic approaches and clinical applications of prototypical small-molecule DRD2 inhibitors that have received approval or are currently undergoing clinical trials, highlighting their therapeutic potential and challenges. The synthesis of these inhibitors employs various chemical strategies, including modifications of phenothiazine and butyrophenone structures, which have yielded significant antipsychotic agents like chlorpromazine and haloperidol. Additionally, newer classes of inhibitors, such as aripiprazole, exhibit partial agonist activity at DRD2, offering a unique therapeutic profile. Clinically, DRD2 inhibitors demonstrate efficacy in managing positive symptoms of schizophrenia, manic episodes in bipolar disorder, and dopaminergic imbalance in Parkinson's disease. However, the emergence of adverse effects, including tardive dyskinesia, extrapyramidal symptoms and metabolic syndrome, presents substantial challenges. Advances in the development of second-generation antipsychotics aim to balance efficacy with a better side effect profile by targeting additional neurotransmitter receptors. This review aims to deliver an overview of the synthesis and clinical applications of representative small-molecule DRD2 inhibitors across various clinical phases, thereby offering strategic insights for the advancement of DRD2 inhibitor development.
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Affiliation(s)
- Yao Zhang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jian-Gang Yu
- Department of Anesthesiology, The First Hospital of China Medical University, Shenyang, China
| | - Wen Wen
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Liaoning Clinical Research Center for Laboratory Medicine, Shenyang, China.
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Valizadeh P, Cattarinussi G, Sambataro F, Brambilla P, Delvecchio G. Neuroimaging alterations associated with medication use in early-onset bipolar disorder: An updated review. J Affect Disord 2023; 339:984-997. [PMID: 37481130 DOI: 10.1016/j.jad.2023.07.098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 07/11/2023] [Accepted: 07/18/2023] [Indexed: 07/24/2023]
Abstract
BACKGROUND Pediatric bipolar disorder (PBD) is a severe disorder characterized by mood fluctuations starting at a young age. Several neuroimaging studies revealed a specific biological signature of PBD involving alterations in the amygdala and prefrontal regions. Considering the growing concerns regarding the effects of PBD treatments on developing brains, this review aims to provide an overview of the studies investigating the effect of mood stabilizers, antipsychotics, and anticonvulsants on neuroimaging findings in PBD. METHODS We searched PubMed, Scopus, and Web of Science to identify all structural magnetic resonance imaging (sMRI), functional magnetic resonance imaging (fMRI), and diffusion tensor imaging (DTI) studies exploring the effects of medications on neuroimaging findings in PBD. A total of 18 studies met our inclusion criteria (fMRI n = 11, sMRI n = 6, DTI n = 1). RESULTS Although the findings varied highly across the studies, some investigations consistently indicated that medications primarily affect the prefrontal cortex and the amygdala. Moreover, despite some exceptions, the reported medication effects predominantly lean towards structural and functional normalization. LIMITATIONS The reviewed studies differ in methods, medications, and fMRI paradigms. Furthermore, most studies used observational approaches with small sample sizes, minimizing the statistical power. CONCLUSIONS Evidence suggests the potential of antipsychotics and mood stabilizers to modulate the neuroimaging findings in PBD patients, mostly normalizing brain structure and function in key mood-regulating regions.
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Affiliation(s)
- Parya Valizadeh
- School of Medicine, Tehran University of Medical Science, Tehran, Iran; Neuroscience Research Group (NRG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Giulia Cattarinussi
- Department of Neuroscience (DNS), Padua Neuroscience Center, University of Padova, Padua, Italy; Padua Neuroscience Center, University of Padova, Padua, Italy
| | - Fabio Sambataro
- Department of Neuroscience (DNS), Padua Neuroscience Center, University of Padova, Padua, Italy; Padua Neuroscience Center, University of Padova, Padua, Italy
| | - Paolo Brambilla
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy; Department of Neurosciences and Mental Health, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Giuseppe Delvecchio
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
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Kaiserman J, O’Hara BA, Haley SA, Atwood WJ. An Elusive Target: Inhibitors of JC Polyomavirus Infection and Their Development as Therapeutics for the Treatment of Progressive Multifocal Leukoencephalopathy. Int J Mol Sci 2023; 24:8580. [PMID: 37239927 PMCID: PMC10218015 DOI: 10.3390/ijms24108580] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
Progressive multifocal leukoencephalopathy (PML) is a rare demyelinating disease caused by infection with JC Polyomavirus (JCPyV). Despite the identification of the disease and isolation of the causative pathogen over fifty years ago, no antiviral treatments or prophylactic vaccines exist. Disease onset is usually associated with immunosuppression, and current treatment guidelines are limited to restoring immune function. This review summarizes the drugs and small molecules that have been shown to inhibit JCPyV infection and spread. Paying attention to historical developments in the field, we discuss key steps of the virus lifecycle and antivirals known to inhibit each event. We review current obstacles in PML drug discovery, including the difficulties associated with compound penetrance into the central nervous system. We also summarize recent findings in our laboratory regarding the potent anti-JCPyV activity of a novel compound that antagonizes the virus-induced signaling events necessary to establish a productive infection. Understanding the current panel of antiviral compounds will help center the field for future drug discovery efforts.
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Affiliation(s)
| | | | | | - Walter J. Atwood
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, RI 02912, USA
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Khan UA, Parveen U, Hasan N, Ahmed MZ, Saad S, Ahmad FJ, Jain GK. Parenteral Sustained Release Lipid Phase-Transition System of Ziprasidone: Fabrication and Evaluation for Schizophrenia Therapy. Drug Des Devel Ther 2020; 14:2237-2247. [PMID: 32606594 PMCID: PMC7294276 DOI: 10.2147/dddt.s247196] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 05/14/2020] [Indexed: 11/29/2022] Open
Abstract
Introduction Ziprasidone (ZP) is a novel atypical antipsychotic agent effective in the treatment of positive and negative symptoms of schizophrenia with low chances for extrapyramidal side effects (EPs) and cognitive deficits. ZP possesses poor oral bioavailability (~50%), short biological half-life (~2.5 h) and due to extensive first-pass metabolism, a repeated dose is administered which makes the therapy non-adherent, leading to patient non-compliance. Therefore, this is a first report of developing parenteral ZP loaded sustained release phospholipid based phase-transition system (ZP-LPS). Methods The ZP-LPS system was formulated by mixing of biocompatible materials including phospholipid E 80, medium chain triglyceride (MCT) and ethanol. Optimization was done by aqueous titration method using pseudo-ternary phase diagram and dynamic rheological measurements. In vivo depot formation was confirmed by gamma scintigraphy after subcutaneous injection. Biodegradation and biocompatibility studies were performed for its safety evaluation. Finally, the efficacy of the formulation was assessed by Morris water maze (MWM) test and dizocilpine (MK-801) was used to induce schizophrenia in Sprague-Dawley rats. Results Optimized ZP-LPS showed rapid gelation (2 min), highest change in viscosity (~48000 mPa.s) and sustained release of ZP over a period of 1 month. Gamma scintigraphy depicted that the low-viscosity ZP-LPS system undergo rapid in situ gelation. Biodegradation and biocompatibility studies revealed gradual degradation in size of depot over a period of 28 days without any inflammation at the injection site. In MWM test, escape latency, time spent and total distance in target quadrant were significantly improved (p < 0.001) in the ZP-LPS group in comparison to the MK-801 group when evaluated at day 0, day 7 and day 28. However, significant improvement (p < 0.001) was observed only at day 0 in ZP suspension group. Conclusion The overall result indicates that the novel ZP-LPS system is safe, biodegradable, and effective for the management of schizophrenia.
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Affiliation(s)
- Urooj A Khan
- Nanoformulation Research Laboratory, Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Uzma Parveen
- Department of Moalejat, School of Unani Medical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Nazeer Hasan
- Nanoformulation Research Laboratory, Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Mohammad Zubair Ahmed
- Nanoformulation Research Laboratory, Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Suma Saad
- Nanoformulation Research Laboratory, Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Farhan J Ahmad
- Nanoformulation Research Laboratory, Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Gaurav K Jain
- Nanoformulation Research Laboratory, Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
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Ziprasidone as Adjunctive Therapy in Severe Bipolar Patients Treated with Clozapine. ISRN PSYCHIATRY 2014; 2014:904829. [PMID: 25006524 PMCID: PMC4003829 DOI: 10.1155/2014/904829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/19/2014] [Accepted: 02/13/2014] [Indexed: 11/17/2022]
Abstract
Aim. To confirm the efficacy and tolerability of ziprasidone as adjunctive therapy in bipolar patients partially responding to clozapine or with persisting negative symptoms, overweight, or with metabolic syndrome. Methods. Eight patients with psychotic bipolar disorder were tested with the BPRS, the HAM-D, and the CGI at T0 and retested after 2 weeks (T1). Plasma clozapine and norclozapine levels and BMI were tested at T0 and T1. Results. Ziprasidone was well tolerated by all the patients. BPRS and HAM-D scores were reduced in all patients. BMI was reduced in patients with a BMI at T0 higher than 25. Plasma levels of clozapine and norclozapine showed an irregular course.
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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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Kaengkan P, Baek SE, Kim JY, Kam KY, Do BR, Lee ES, Kang SG. Administration of mesenchymal stem cells and ziprasidone enhanced amelioration of ischemic brain damage in rats. Mol Cells 2013; 36:534-41. [PMID: 24292945 PMCID: PMC3887965 DOI: 10.1007/s10059-013-0235-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Revised: 10/25/2013] [Accepted: 11/04/2013] [Indexed: 10/26/2022] Open
Abstract
Ziprasidone is a benzisothiazolyl piperazine derivative that was developed from the chemically related antipsychotic drug tiospirone, and it improves neurological functions of the ischemic brain and is effective in treatment of schizophrenia. Mesenchymal stem cells (MSCs) are considered as a leading candidate for neurological regenerative therapy because of their neural differentiation properties in damaged brain. We investigated whether the transplantation of neural progenitor cells (NPCs) derived from adipose mesenchymal stem cells combined with ziprasidone enhances neuroprotective effects in an animal model of focal cerebral ischemia. In combination therapy groups, significant reduction of infarct volume and improvement of neurological functions were observed at 3 days after middle cerebral artery occlusion (MCAO) compared with monotherapy. Co-administration of ziprasidone and NPCs enhanced the anti-apoptotic effect and reduced the number of terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL)-positive apoptotic cells compared with the NPCs alone group at 7 days after MCAO. Ziprasidone or the combination of ziprasidone and NPCs induced the expression of endogenous neurotrophic factor gene brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), and glial cell-derived neurotrophic factor (GDNF). The immunohistochemical investigation revealed that the ziprasidone and NPCs attenuated the increased intensity of microglial marker (Iba-1) in the infarcted cortical area. Moreover, the number of transplanted NPCs on day 7 with combination therapy was significantly higher than with NPCs alone. These effects might be responsible for improved functional behavior and increased survival of NPCs. Our finding indicates that combination therapy of ziprasidone and NPCs enhances neuroprotection against ischemic brain injury.
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Affiliation(s)
| | | | | | - Kyung-Yoon Kam
- Department of Occupational Therapy and UHRC, Inje University, Gimhae 621-749,
Korea
| | - Byung-Rok Do
- Bioengineering Institute, Hurim Biocell Inc., Seoul 153-803,
Korea
| | - Eun Shin Lee
- Department of Rehabilitation Medicine Gyeongsang National University, Jinju 660-751,
Korea
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Skibiński R. PHOTOSTABILITY STUDY AND IDENTIFICATION OF PHOTODEGRADATION PRODUCTS OF ZIPRASIDONE BY UHPLC-DAD/ESI-Q-TOF. J LIQ CHROMATOGR R T 2012. [DOI: 10.1080/10826076.2011.627623] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Robert Skibiński
- a Department of Medicinal Chemistry , Medical University of Lublin , Lublin , Poland
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Schwartz TL, Stahl SM. Treatment strategies for dosing the second generation antipsychotics. CNS Neurosci Ther 2011; 17:110-7. [PMID: 21401911 DOI: 10.1111/j.1755-5949.2011.00234.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND The second generation antipsychotics now have clinical approvals for the treatment of schizophrenia, bipolar depression, bipolar mania, autism, major depressive disorder and are used furthermore off-label to treat other mental disorders. Each agent is unique in its pharmacodynamic profile and allows for unique dosing strategies to be employed when treating these different disorders. AIMS To review relevant data regarding the second generation antipsychotics and their empirical dosing strategies. To further review and comment theoretically in these areas where substantial, definitive data are lacking. MATERIALS AND METHODS A MEDLINE and recent textbook review was conducted regarding each second generation antipsychotic and cross-referenced with searches for major mental disorders. The findings are compiled in the review below. DISCUSSION The second generation antipsychotics are clearly delineated in the treatment of psychosis and mania and share similar mechanisms of action to achieve these results: dopamine-2 receptor antagonism for efficacy and serotonin-2a receptor antagonism for EPS tolerability. From here, each agent has a unique pharmacodynamic and pharmacokinetic profile where some agents carry more, or less antidepressant, anxiolyic, or hypnotic profiles. Choosing an agent, and dosing it in low, middle, or high ranges may result in differential effectiveness and tolerability. CONCLUSION The second generation antipsychotics have many clinical applications in psychiatric practice. This article serves to review this and also suggests ways clinicians may optimize treatment based upon patient diagnosis and utilizing appropriate dosing of each individual second generation antipsychotic.
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Affiliation(s)
- Thomas L Schwartz
- Department of Psychiatry State, University of New York Upstate Medical University, NY, USA.
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Recomendaciones para el cambio de antipsicóticos. Posicionamiento de la Sociedad Española de Psiquiatría y Sociedad Española de Psiquiatría Biológica. REVISTA DE PSIQUIATRIA Y SALUD MENTAL 2011; 4:150-68. [DOI: 10.1016/j.rpsm.2011.07.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2011] [Accepted: 07/17/2011] [Indexed: 11/22/2022]
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Abstract
Patients with bipolar disorder spend more time in a depressed than manic state, even with individualized treatment. To date, bipolar depression is often misdiagnosed and ineffectively managed both for acute episodes and residual symptoms. This review attempts to summarize the current status of available treatment strategies in the treatment of bipolar depression. For acute and prophylactic treatment, a substantial body of evidence supports the antidepressive efficacy of lithium for bipolar disorders and its antisuicidal effects. Among numerous anticonvulsants with mood-stabilizing properties, valproate and lamotrigine could be first-line options for bipolar depression. Due to receptor profile, mood-stabilizing properties of second-generation antipsychotics have been explored, and up to date, quetiapine and olanzapine appear to be a reasonable option for bipolar depression. The usefulness of antidepressants in bipolar depression is still controversial. Current guidelines generally recommend the cautious antidepressant use in combination with mood stabilizers to reduce the risk of mood elevation or cycle acceleration. Results from clinical trials on psychosocial intervention are promising, especially when integrated with pharmacotherapy. Most patients with bipolar depression need individualized and combined treatment, although the published evidence on this type of treatment strategy is limited. Future studies on the utility of currently available agents and modalities including psychosocial intervention are required.
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Affiliation(s)
- Jae Seung Chang
- Department of Psychiatry and Behavioral Neuroscience, Seoul National University College of Medicine, Seoul, South Korea
| | - Kyooseob Ha
- Department of Psychiatry and Behavioral Neuroscience, Seoul National University College of Medicine, Seoul, South Korea
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Walderhaug E, Varga M, Pedro MS, Hu J, Neumeister A. The role of the aminergic systems in the pathophysiology of bipolar disorder. Curr Top Behav Neurosci 2011; 5:107-126. [PMID: 25236552 DOI: 10.1007/7854_2010_72] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Bipolar disorder (BPD) is a major medical and social burden, but little is known about the specific pathophysiology of BPD. The key biogenic amines in the aminergic system include serotonin (5-HT), norepinephrine (NE), dopamine (DA), and acetylcholine (ACh). By analyzing these neurotransmitters, this chapter highlights three hypotheses in the pathophysiology of BPD: the biogenic amine hypothesis, the cholinergic-aminergic balance hypothesis, and the permissive hypothesis. Evidence from select studies of cerebrospinal fluid, postmortem subjects, neuroimaging, genetic factors, and pharmacological agents will be used to reconcile these hypotheses. Possible explanations for discrepancies in these hypotheses are given, and directions for future studies are suggested.
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Affiliation(s)
- Espen Walderhaug
- Department of Psychology, University of Oslo, 1094, Blindern, 0317, Oslo, Norway,
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Abstract
Depressive disorders are highly prevalent and are a leading cause of disability, morbidity, and mortality worldwide; however, they often remain undertreated or untreated. This article provides a broad overview of the many strategies for treating depression. More than 24 antidepressant medications and depression-focused psychotherapies are available as first-choice options for treating depression. When patients have not had a satisfactory treatment response, the 2 main strategies are switching to an alternative antidepressant therapy or adding a second antidepressant therapy. A large number of medication combinations have been reported in the literature, and some have been shown to be effective in controlled studies. Nonstandard alternatives to conventional antidepressant treatments include exercise, light therapy, sleep deprivation, and various complementary and alternative therapies. For more chronic and refractory forms of depression, various neuromodulation therapies are available or are being investigated. Because depressive disorders are common in primary care and other medical settings, medical practitioners should be aware of the therapeutic armamentarium available for treating depression.
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Affiliation(s)
- Robert H Howland
- University of Pittsburgh School of Medicine, Western Psychiatric Institute and Clinic, Pittsburgh, PA 15213, USA.
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Abstract
Depressive phases are the most prevalent component of bipolar disorders, even with modern treatment. Bipolar depressive morbidity is often misdiagnosed and is limited in response to available treatments. These conditions are especially debilitating and are associated with psychiatric comorbidity, substance abuse, functional disability, and increased mortality owing to early suicide and accidents, and later medical illnesses. There is growing awareness that bipolar depression is one of the greatest challenges in modern psychiatry. It is essential to differentiate various forms of depression, dysthymia, and dysphoric mixed states of bipolar disorders from the clinical features of more common, unipolar major depressive disorders. In bipolar depression, antidepressant responses often are unsatisfactory, and these agents probably are overused. Emerging treatments, including several anticonvulsant and modern antipsychotic drugs, as well as lithium-alone or in selected combinations-are partially effective for bipolar depression. Interest in recognizing bipolar depression and seeking more effective, specific, and safer treatments for it are growing.
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Skibiński R, Komsta Ł. Validation of NP-HPTLC and RP-HPTLC methods with videodensitometric detection for analysis of ziprasidone in pharmaceutical formulations. JPC-J PLANAR CHROMAT 2010. [DOI: 10.1556/jpc.23.2010.1.4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Rajkumar R, Pandey DK, Mahesh R, Radha R. 1-(m-Chlorophenyl)piperazine induces depressogenic-like behaviour in rodents by stimulating the neuronal 5-HT2A receptors: Proposal of a modified rodent antidepressant assay. Eur J Pharmacol 2009; 608:32-41. [DOI: 10.1016/j.ejphar.2009.02.041] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2008] [Revised: 02/11/2009] [Accepted: 02/12/2009] [Indexed: 11/30/2022]
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