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Doobay M, Sharma V, Eccles H. Antiseizure medication-induced obsessive-compulsive disorder and tic disorder: a pragmatic review. Expert Rev Neurother 2022; 22:721-731. [PMID: 36005856 DOI: 10.1080/14737175.2022.2117614] [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: 11/04/2022]
Abstract
INTRODUCTION With a lifetime prevalence of 2.3%, obsessive compulsive disorder is a chronic, disabling condition that is associated with significant social and occupational impairment. Up to 30% of individuals with obsessive-compulsive disorder have a lifetime diagnosis of tic disorders. Antiseizure medication is increasingly used for a variety of physical and psychiatric illnesses. Clarification of the relationship between these symptoms/disorders and use of antiseizure medication is critically important for diagnostic and treatment purposes. AREAS COVERED Studies on antiseizure-induced obsessive-compulsive disorder and tic disorders are reviewed. The literature search strategy identified 89 articles. Twenty-nine articles were included in the final results. Of these, 24 are case reports or case studies, 2 cross-sectional studies, 1 chart review, 1 population-based case-control study and 1 observational prospective study assessing lamotrigine, levetiracetam, topiramate, zonisamide, and carbamazepine. EXPERT OPINION This study highlighted the temporal relationship of antiseizure medication use and onset of obsessive-compulsive symptoms and tics. Monitoring for medication-induced obsessive compulsions or tics should be undertaken when prescribing antiseizure medication for treatment of mood disorders or epilepsy. Further research identifying the causal relationship between antiseizure medication and de novo onset of obsessive-compulsive symptoms, obsessive-compulsive disorder and tic disorder is required.
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Affiliation(s)
| | - Verinder Sharma
- Department of Psychiatry, University of Western Ontario.,Department of Obstetrics & Gynecology, University of Western Ontario.,St. Joseph's Health Care, Parkwood Mental Health Building, London, Ontario, Canada
| | - Heidi Eccles
- St. Joseph's Health Care, Parkwood Mental Health Building, London, Ontario, Canada
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Sáenz-Farret M, Tijssen MAJ, Eliashiv D, Fisher RS, Sethi K, Fasano A. Antiseizure Drugs and Movement Disorders. CNS Drugs 2022; 36:859-876. [PMID: 35861924 DOI: 10.1007/s40263-022-00937-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/30/2022] [Indexed: 11/03/2022]
Abstract
The relationship between antiseizure drugs and movement disorders is complex and not adequately reviewed so far. Antiseizure drugs as a treatment for tremor and other entities such as myoclonus and restless leg syndrome is the most common scenario, although the scientific evidence supporting their use is variable. However, antiseizure drugs also represent a potential cause of iatrogenic movement disorders, with parkinsonism and tremor the most common disorders. Many other antiseizure drug-induced movement disorders are possible and not always correctly identified. This review was conducted by searching for all the possible combinations between 15 movement disorders (excluding ataxia) and 24 antiseizure drugs. The main objective was to describe the movement disorders treated and worsened or induced by antiseizure drugs. We also summarized the proposed mechanisms and risk factors involved in the complex interaction between antiseizure drugs and movement disorders. Antiseizure drugs mainly used to treat movement disorders are clonazepam, gabapentin, lacosamide, levetiracetam, oxcarbazepine, perampanel, phenobarbital, pregabalin, primidone, topiramate, and zonisamide. Antiseizure drugs that worsen or induce movement disorders are cenobamate, ethosuximide, felbamate, lamotrigine, phenytoin, tiagabine, and vigabatrin. Antiseizure drugs with a variable effect on movement disorders are carbamazepine and valproate while no effect on movement disorders has been reported for brivaracetam, eslicarbazepine, lacosamide, and stiripentol. Although little information is available on the adverse effects or benefits on movement disorders of newer antiseizure drugs (such as brivaracetam, cenobamate, eslicarbazepine, lacosamide, and rufinamide), the evidence collected in this review should guide the choice of antiseizure drugs in patients with concomitant epilepsy and movement disorders. Finally, these notions can lead to a better understanding of the mechanisms involved in the pathophysiology and treatments of movement disorders.
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Affiliation(s)
- Michel Sáenz-Farret
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, University Health Network, Division of Neurology, University of Toronto, 399 Bathurst St, Toronto, ON, M5T 2S8, Canada
| | - Marina A J Tijssen
- Department of Neurology, University of Groningen, Groningen, The Netherlands.,Expertise Center Movement Disorders Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Dawn Eliashiv
- UCLA Seizure Disorder Center, Department of Neurology, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
| | - Robert S Fisher
- Departments of Neurology and Neurological Sciences and Neurosurgery, Stanford University, Stanford, CA, USA
| | - Kapil Sethi
- Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Alfonso Fasano
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, University Health Network, Division of Neurology, University of Toronto, 399 Bathurst St, Toronto, ON, M5T 2S8, Canada. .,Krembil Brain Institute, Toronto, ON, Canada. .,Center for Advancing Neurotechnological Innovation to Application (CRANIA), Toronto, ON, Canada.
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Zhou DJ, Pavuluri S, Snehal I, Schmidt CM, Situ-Kcomt M, Taraschenko O. Movement disorders associated with antiseizure medications: A systematic review. Epilepsy Behav 2022; 131:108693. [PMID: 35483204 PMCID: PMC9596228 DOI: 10.1016/j.yebeh.2022.108693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/14/2022] [Accepted: 03/31/2022] [Indexed: 11/19/2022]
Abstract
New-onset movement disorders have been frequently reported in association with the use of antiseizure medications (ASMs). The frequency of specific motor manifestations and the spectrum of their semiology for various ASMs have not been well characterized. We carried out a systematic review of literature and conducted a search on CINAHL, Cochrane Library, EMBASE, MEDLINE, PsycINFO, and Scopus from inception to April 2021. We compiled the data for all currently available ASMs using the conventional terminology of movement disorders. Among 5123 manuscripts identified by the search, 437 met the inclusion criteria. The largest number of reports of abnormal movements were in association with phenobarbital, valproic acid, lacosamide, and perampanel, and predominantly included tremor and ataxia. The majority of attempted interventions for all agents were discontinuation of the offending drug or dose reduction which led to the resolution of symptoms in most patients. Familiarity with the movement disorder phenomenology previously encountered in relation with specific ASMs facilitates early recognition of adverse effects and timely institution of targeted interventions.
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Affiliation(s)
- Daniel J Zhou
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, United States
| | - Spriha Pavuluri
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, United States
| | - Isha Snehal
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, United States
| | - Cynthia M Schmidt
- Leon S. McGoogan Health Sciences Library, University of Nebraska Medical Center, Omaha, NE, United States
| | - Miguel Situ-Kcomt
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, United States
| | - Olga Taraschenko
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, United States.
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Rissardo JP, Fornari Caprara AL. Lamotrigine-Associated Movement Disorder: A Literature Review. Neurol India 2021; 69:1524-1538. [PMID: 34979637 DOI: 10.4103/0028-3886.333440] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Lamotrigine (LMT) is a phenyltriazine derivative that was originally described as an antiepileptic drug. OBJECTIVE This literature review aims to evaluate the clinical epidemiological profile, pathological mechanisms, and management of lamotrigine-associated movement disorders. METHODS Relevant reports in six databases were identified and assessed by two reviewers without language restriction. Reports that the individuals only developed tremor or ataxia after LMT use were not included. RESULTS In total 48 reports of 108 cases from 19 countries were assessed. The movement disorders associated with LMT found were 29 tics, 21 dyskinesias, 14 myoclonus, 13 parkinsonism, 10 dystonia, and 1 stuttering. The not clearly defined cases included 10 akathisia, 4 myoclonus, 4 cerebellar syndromes, 1 hypertonia, 1 dyskinesia, and an unknown number of dystonia cases. The mean reported age was 33.34 years (range: 1.574 years). The male was the predominant sex and the most common LMT indication was epilepsy. The mean LMT-dose at the movement disorder onset was 228 mg. The time from LMT start to the onset of movement disorder was within 6 months in 81%. The time from LMT withdrawal to complete recovery was within 1 month in 83%. The most common management was LMT withdrawal. CONCLUSIONS In the literature, the majority of the cases did not give a clear picture of the individual, and the times of movement disorder onset and recovery are not described. We believe that before withdrawal LMT, a dose adjustment based on the benefits and adverse events with careful evaluation case-by-case can be done.
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Affiliation(s)
- Jamir Pitton Rissardo
- Department of Neurology; Departments of Medicine, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brasil
| | - Ana L Fornari Caprara
- Department of Neurology; Departments of Medicine, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brasil
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Zouari R, Bouchaala W, Nsir SB, Kamoun F, Triki C. Opsoclonus myoclonus induced by lamotrigine toxicity. Seizure 2021; 91:247-250. [PMID: 34243055 DOI: 10.1016/j.seizure.2021.06.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/14/2021] [Accepted: 06/16/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Rania Zouari
- Department of Child Neurology, Hedi Chaker University Hospital, Sfax, Tunisia.
| | - Wafa Bouchaala
- Department of Child Neurology, Hedi Chaker University Hospital, Sfax, Tunisia; Search Unit "Neuropédiatrie" UR12ES16, Sfax University, Sfax, Tunisia.
| | - Sihem Ben Nsir
- Department of Child Neurology, Hedi Chaker University Hospital, Sfax, Tunisia; Search Unit "Neuropédiatrie" UR12ES16, Sfax University, Sfax, Tunisia.
| | - Fatma Kamoun
- Department of Child Neurology, Hedi Chaker University Hospital, Sfax, Tunisia; Search Unit "Neuropédiatrie" UR12ES16, Sfax University, Sfax, Tunisia.
| | - Chahnez Triki
- Department of Child Neurology, Hedi Chaker University Hospital, Sfax, Tunisia; Search Unit "Neuropédiatrie" UR12ES16, Sfax University, Sfax, Tunisia.
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Tics induced by antiepileptic drugs: a pragmatic review. J Neurol 2020; 268:321-336. [PMID: 32804278 DOI: 10.1007/s00415-020-10153-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/07/2020] [Accepted: 08/10/2020] [Indexed: 01/07/2023]
Abstract
OBJECTIVE The clinical spectrum of tics induced by antiepileptic drugs (AED), a form of 'secondary Tourettism', is largely unknown. Examining the literature aimed to help clinicians identify, understand and manage these cases. Understanding the mechanism of AED-induced tics could provide valuable insights into why certain patients may be vulnerable to this adverse event. METHODS A pragmatic systematic review, adapted from the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, was performed. Data sources included: PubMed, Medline and Cochrane Library. No lower date restrictions were employed, with December 2019 being the end date. Any tics reported in the presence of an AED were included in the review. Case reports were not excluded due to the scant evidence. Individual patient-level data was extracted from published material and the Naranjo Scale was applied to each case to assess the likelihood of causality. RESULTS 181 unique papers were identified from the search. 24 manuscripts with a total of 43 subjects met eligibility for analysis. AED with different modes of action: carbamazepine, clonazepam, lacosamide, lamotrigine, levetiracetam, phenytoin and phenobarbital; were identified as causative AEDs. The clinical phenotype was broad, although a neuropsychiatric history characterised by reduced impulse control was more predictive than a previous tic in the adult population, phenomenology had a facial/truncal predominance and most tics resolved or improve with either AED withdrawal or dose reduction. SIGNIFICANCE Multiple AEDs with different modes of action can induce tic disorders, including newer AEDs. The cause is therefore unlikely to be an alteration to a single neurotransmitter, but rather an imbalance of networks, influenced further by individual factors.
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Abstract
UNLABELLED IntroductionLamotrigine is a commonly used drug in the treatment of bipolar disorder. Although there are reports of its effectiveness in the management of bipolar disorder and comorbid obsessive-compulsive disorder (OCD), lamotrigine has also been associated with obsessionality in patients with bipolar disorder. METHODS Charts of 8 patients with bipolar disorder who had de novo onset of obsessions and compulsions after the use of lamotrigine were reviewed. The Naranjo scale was used to assess the likelihood of patients developing OCD due to lamotrigine use. RESULTS Two to 8 months after the initiation of lamotrigine, patients with no such prior history developed obsessions and compulsions meeting the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) diagnostic criteria for medication-induced OCD. In all except 1 patient, the symptoms resolved within a month of lamotrigine discontinuation. CONCLUSIONS Some patients with bipolar disorder may develop OCD after initiation of lamotrigine. Due to the inherent limitations of a case series, the findings should be interpreted with caution.
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Szmulewicz A, Samamé C, Caravotta P, Martino DJ, Igoa A, Hidalgo-Mazzei D, Colom F, Strejilevich SA. Behavioral and emotional adverse events of drugs frequently used in the treatment of bipolar disorders: clinical and theoretical implications. Int J Bipolar Disord 2016; 4:6. [PMID: 26879750 PMCID: PMC4754238 DOI: 10.1186/s40345-016-0047-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 02/04/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Behavioral and emotional adverse events induced by drugs commonly prescribed to patients with bipolar disorders are of paramount importance to clinical practice and research. However, no reviews on the topic have been published so far. METHODS An extensive search was performed. Reports were reviewed if they described behavioral side effects related to pharmacological treatments for bipolar disorders in healthy subjects or patients with different neuropsychiatric disorders. For this review, lithium, antipsychotics, anticonvulsants and selective serotonin reuptake inhibitors were included. RESULTS Apathy or emotional blunting, diminished sexual desire, and inability to cry were reported to be associated with exposure to selective serotonin reuptake inhibitors. Neuroleptic-induced deficit syndrome/emotional detachment and obsessive-compulsive symptomatology and decision-making modifications. A lithium-related amotivational syndrome was also reported in the literature. Furthermore, hypersexuality and obsessive-compulsive symptoms have been noted in subjects treated with lamotrigine. LIMITATIONS Primary studies on drug-related adverse events are scant so far and most of the data currently available derive from case reports. Moreover, most of the evidence reviewed is based on studies performed on healthy subjects and patients with neuropsychiatric conditions other than bipolar disorders. DISCUSSION There is a remarkable dearth of data on behavioral adverse events of pharmacological treatment for bipolar disorders. However, the pieces of evidence available at present, though scant and scattered, suggest that different behavioral adverse events may be related to pharmacological treatment for these disorders. The implications of these findings for research and management of patients with mood disorders are discussed.
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Affiliation(s)
- Alejandro Szmulewicz
- Bipolar Disorder Program, Neurosciences Institute, Favaloro University, Buenos Aires, Argentina. .,Hospital de Emergencias Psiquiátricas Torcuato de Alvear (HEPTA), Buenos Aires, Argentina.
| | - Cecilia Samamé
- Bipolar Disorder Program, Neurosciences Institute, Favaloro University, Buenos Aires, Argentina. .,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.
| | - Pablo Caravotta
- Bipolar Disorder Program, Neurosciences Institute, Favaloro University, Buenos Aires, Argentina. .,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.
| | - Diego J Martino
- Bipolar Disorder Program, Neurosciences Institute, Favaloro University, Buenos Aires, Argentina. .,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.
| | - Ana Igoa
- Bipolar Disorder Program, Neurosciences Institute, Favaloro University, Buenos Aires, Argentina.
| | | | - Francesc Colom
- Bipolar Disorders Program, IDIBAPS, CIBERSAM, Barcelona, Catalonia, Spain.
| | - Sergio A Strejilevich
- Bipolar Disorder Program, Neurosciences Institute, Favaloro University, Buenos Aires, Argentina. .,, Congreso 2477 Dto. D (1428), Buenos Aires, Argentina.
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Szmulewicz AG, Valerio MP, Smith JM. Obsessive-compulsive symptoms in adjunctive therapy with lamotrigine in clozapine-medicated patients. Schizophr Res 2015; 166:364-5. [PMID: 26058675 DOI: 10.1016/j.schres.2015.05.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 05/17/2015] [Accepted: 05/20/2015] [Indexed: 11/25/2022]
Affiliation(s)
| | - Marina P Valerio
- Hospital de Emergencias Psiquiátricas Torcuato de Alvear, Buenos Aires, Argentina
| | - José M Smith
- Hospital de Emergencias Psiquiátricas Torcuato de Alvear, Buenos Aires, Argentina
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10
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Lu D, Lin X, Liu X, Su L. Lamotrigine-induced facial tic in a pediatric bipolar disorder patient. J Child Adolesc Psychopharmacol 2013; 23:583-4. [PMID: 24138013 DOI: 10.1089/cap.2013.0057] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Dali Lu
- 1 Mental Health Institute of the Second Xiangya Hospital, Key Laboratory of Psychiatry and Mental Health of Hunan Province, Central South University , Changsha, Hunan, China
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Bruno A, Micò U, Pandolfo G, Mallamace D, Abenavoli E, Di Nardo F, D'Arrigo C, Spina E, Zoccali RA, Muscatello MRA. Lamotrigine augmentation of serotonin reuptake inhibitors in treatment-resistant obsessive-compulsive disorder: a double-blind, placebo-controlled study. J Psychopharmacol 2012; 26:1456-62. [PMID: 22351381 DOI: 10.1177/0269881111431751] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The present 16-week double-blind, randomized, placebo-controlled trial had the aim to explore the efficacy of lamotrigine add-on pharmacotherapy on clinical symptomatology and cognitive functioning in a sample of patients with treatment-resistant obsessive-compulsive disorder (OCD) receiving serotonin reuptake inhibitors (SRIs). After clinical and neurocognitive assessments, patients were randomly allocated to receive, in a double-blind design, 100 mg/day of lamotrigine or a placebo. A final sample of 33 patients completed the study. The results obtained indicate that lamotrigine added to stable SRI treatment substantially improved obsessive-compulsive (Yale-Brown Obsessive Compulsive Scale: obsessions, p < 0.0001; compulsions, p < 0.0001; total score, p < 0.0001), and affective symptoms (Hamilton Rating Scale for Depression p < 0.0001). Regarding cognitive functions, improvement was observed only in Semantic Fluency (p = 0.004). The findings provide evidence that lamotrigine augmentation of SRI treatment is well tolerated and may be proposed as an effective therapeutic strategy to improve outcome in treatment-resistant OCD.
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Affiliation(s)
- Antonio Bruno
- Section of Psychiatry, Department of Neurosciences, Psychiatric and Anaesthesiological Sciences, University of Messina, Messina, Italy.
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Tourette syndrome with comorbid bipolar disorder and migraine: can lamotrigine monotherapy help? J Clin Psychopharmacol 2012; 32:140-2. [PMID: 22217952 DOI: 10.1097/jcp.0b013e31823fa929] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Wu K, Hanna GL, Rosenberg DR, Arnold PD. The role of glutamate signaling in the pathogenesis and treatment of obsessive-compulsive disorder. Pharmacol Biochem Behav 2011; 100:726-35. [PMID: 22024159 DOI: 10.1016/j.pbb.2011.10.007] [Citation(s) in RCA: 141] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2011] [Revised: 09/23/2011] [Accepted: 10/03/2011] [Indexed: 01/16/2023]
Abstract
Obsessive-compulsive disorder (OCD) is a common and often debilitating neuropsychiatric condition characterized by persistent intrusive thoughts (obsessions), repetitive ritualistic behaviors (compulsions) and excessive anxiety. While the neurobiology and etiology of OCD has not been fully elucidated, there is growing evidence that disrupted neurotransmission of glutamate within corticalstriatal-thalamocortical (CSTC) circuitry plays a role in OCD pathogenesis. This review summarizes the findings from neuroimaging, animal model, candidate gene and treatment studies in the context of glutamate signaling dysfunction in OCD. First, studies using magnetic resonance spectroscopy are reviewed demonstrating altered glutamate concentrations in the caudate and anterior cingulate cortex of patients with OCD. Second, knockout mouse models, particularly the DLGAP3 and Sltrk5 knockout mouse models, display remarkably similar phenotypes of compulsive grooming behavior associated with glutamate signaling dysfunction. Third, candidate gene studies have identified associations between variants in glutamate system genes and OCD, particularly for SLC1A1 which has been shown to be associated with OCD in five independent studies. This converging evidence for a role of glutamate in OCD has led to the development of novel treatment strategies involving glutamatergic compounds, particularly riluzole and memantine. We conclude the review by outlining a glutamate hypothesis for OCD, which we hope will inform further research into etiology and treatment for this severe neuropsychiatric condition.
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Affiliation(s)
- Ke Wu
- Program in Genetics and Genomic Biology, Hospital for Sick Children, Toronto, ON, Canada M5G 1X8
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Veerapandiyan A, Gallentine WB, Winchester SA, Baker J, Kansagra SM, Mikati MA. Oculogyric crises secondary to lamotrigine overdosage. Epilepsia 2011; 52:e4-6. [DOI: 10.1111/j.1528-1167.2010.02967.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Musiek ES, Anderson CT, Dahodwala NA, Pollard JR. Facial tic associated with lamotrigine in adults. Mov Disord 2010; 25:1512-3. [PMID: 20629145 DOI: 10.1002/mds.23120] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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MacMaster FP. Translational neuroimaging research in pediatric obsessive-compulsive disorder. DIALOGUES IN CLINICAL NEUROSCIENCE 2010. [PMID: 20623921 PMCID: PMC3181954 DOI: 10.31887/dcns.2010.12.2/fmacmaster] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Obsessive-compulsive disorder (OCD) is a significant public health problem. Selective serotonin reuptake inhibitors (SSRIs) are the only FDA-approved medications for OCD. However, SSRIs are of limited efficacy in clinical practice. Given the persistence of symptoms and levels of treatment response, it is clear that the serotonin paradigm of OCD does not fully account for the neurobiology of the disorder, and that further translational research is needed. In this review, the glutamate hypothesis of pediatric OCD is explored, the neuroimaging evidence reviewed, and the translational impact highlighted. The traditional strategy of going from pharmacology to pathophysiology has failed to show real progress in our understanding of the neurobiology of psychiatric illness and, while still in the early stages, this work demonstrates the clear benefit of approaching psychiatric illness from the opposite direction.
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Affiliation(s)
- Frank P MacMaster
- Department of Psychiatry & Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA.
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Kuloglu M, Caykoylu A, Ekinci O, Yilmaz E. Lamotrigine-induced obsessional symptoms in a patient with bipolar II disorder: a case report. J Psychopharmacol 2009; 23:1001-3. [PMID: 18719043 DOI: 10.1177/0269881108095082] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Lamotrigine is an anticonvulsant that appears to have a mainly antidepressant effect and is indicated for the maintenance treatment of bipolar depression. Literature associated with obsessional symptoms related to lamotrigine treatment is limited. We report the emergence of obsessive symptoms during treatment with lamotrigine in a patient who subsequently experienced significant improvement after dose reduction and stopping of this medication. The obsessive symptoms associated with lamotrigine treatment were observed after the lamotrigine dose was increased to 100 mg/day. The possible mechanisms, including inhibition on the presynaptic release of glutamate and alteration of striatal dopamine uptake, are discussed. It is unclear why lamotrigine induces obsessions in some patients. Controlled studies are necessary to identify the population at risk for obsessionality in bipolar illness following treatment with lamotrigine and to investigate a possible dose-response relationship between obsessive symptoms and lamotrigine.
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Affiliation(s)
- M Kuloglu
- Department of Psychiatry, Ataturk Education and Research Hospital, Ankara, Turkey.
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Current awareness: Pharmacoepidemiology and drug safety. Pharmacoepidemiol Drug Saf 2008. [DOI: 10.1002/pds.1486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Ting JT, Feng G. Glutamatergic Synaptic Dysfunction and Obsessive-Compulsive Disorder. CURRENT CHEMICAL GENOMICS 2008; 2:62-75. [PMID: 19768139 PMCID: PMC2746669 DOI: 10.2174/1875397300802010062] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2008] [Revised: 11/13/2008] [Accepted: 11/16/2008] [Indexed: 01/22/2023]
Abstract
Obsessive-compulsive disorder (OCD) is a debilitating neuropsychiatric condition estimated to afflict 1-3% of the world population. The estimated financial impact in the treatment and management of OCD is in the billions of dollars annually in the US alone. At present there is a marked lack of evidence on the specific causes of OCD. Current hypotheses largely focus on the serotonin (5-HT) system on the basis of the effectiveness of selective serotonin reuptake inhibitors (SSRIs) in alleviating symptoms of patients with OCD, yet a considerable fraction of patients are non-responsive or minimally responsive to these agents. Despite this fact, SSRIs have remained the primary pharmacological treatment avenue for OCD. In recent years, multiple lines of evidence have implicated glutamatergic synaptic dysfunction within the cortico-striatal-thalamo-cortical (CSTC) brain circuit in the etiology of OCD and related disorders, thereby prompting intensified effort in the development and evaluation of agents that modulate glutamatergic neurotransmission for the treatment of OCD. With this in mind, here we review the following topics with respect to synaptic dysfunction and the neural circuitry underlying OCD: (1) evidence supporting the critical involvement of the CSTC circuit, (2) genetic studies supporting the involvement of glutamatergic dysfunction, (3) insights from genetic animal models of OCD, and (4) preliminary findings with glutamatergic neurotransmission-modulating agents in the treatment of OCD. Given the putative mechanistic overlap between OCD and the broader OC-spectrum of disorders, unraveling the synaptic basis of OCD has potential to translate into more effective treatments for an array of poorly understood human disorders.
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Affiliation(s)
| | - Guoping Feng
- Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
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