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Hardy RE, Chung I, Yu Y, Loh SHY, Morone N, Soleilhavoup C, Travaglio M, Serreli R, Panman L, Cain K, Hirst J, Martins LM, MacFarlane M, Pryde KR. The antipsychotic medications aripiprazole, brexpiprazole and cariprazine are off-target respiratory chain complex I inhibitors. Biol Direct 2023; 18:43. [PMID: 37528429 PMCID: PMC10391878 DOI: 10.1186/s13062-023-00375-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 04/11/2023] [Indexed: 08/03/2023] Open
Abstract
Antipsychotic drugs are the mainstay of treatment for schizophrenia and provide adjunct therapies for other prevalent psychiatric conditions, including bipolar disorder and major depressive disorder. However, they also induce debilitating extrapyramidal syndromes (EPS), such as Parkinsonism, in a significant minority of patients. The majority of antipsychotic drugs function as dopamine receptor antagonists in the brain while the most recent 'third'-generation, such as aripiprazole, act as partial agonists. Despite showing good clinical efficacy, these newer agents are still associated with EPS in ~ 5 to 15% of patients. However, it is not fully understood how these movement disorders develop. Here, we combine clinically-relevant drug concentrations with mutliscale model systems to show that aripiprazole and its primary active metabolite induce mitochondrial toxicity inducing robust declines in cellular ATP and viability. Aripiprazole, brexpiprazole and cariprazine were shown to directly inhibit respiratory complex I through its ubiquinone-binding channel. Importantly, all three drugs induced mitochondrial toxicity in primary embryonic mouse neurons, with greater bioenergetic inhibition in ventral midbrain neurons than forebrain neurons. Finally, chronic feeding with aripiprazole resulted in structural damage to mitochondria in the brain and thoracic muscle of adult Drosophila melanogaster consistent with locomotor dysfunction. Taken together, we show that antipsychotic drugs acting as partial dopamine receptor agonists exhibit off-target mitochondrial liabilities targeting complex I.
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Affiliation(s)
- Rachel E Hardy
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Injae Chung
- MRC Mitochondrial Biology Unit, University of Cambridge, The Keith Peters Building, Cambridge Biomedical Campus, Hills Road, Cambridge, CB2 0XY, UK
| | - Yizhou Yu
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Samantha H Y Loh
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Nobuhiro Morone
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Clement Soleilhavoup
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Marco Travaglio
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Riccardo Serreli
- MRC Mitochondrial Biology Unit, University of Cambridge, The Keith Peters Building, Cambridge Biomedical Campus, Hills Road, Cambridge, CB2 0XY, UK
| | - Lia Panman
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Kelvin Cain
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Judy Hirst
- MRC Mitochondrial Biology Unit, University of Cambridge, The Keith Peters Building, Cambridge Biomedical Campus, Hills Road, Cambridge, CB2 0XY, UK
| | - Luis M Martins
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK.
| | - Marion MacFarlane
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK.
| | - Kenneth R Pryde
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge, CB2 1QR, UK.
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Aguilar L, Lorenzo C, Fernández-Ovejero R, Roncero C, Montejo AL. Tardive Dyskinesia After Aripiprazole Treatment That Improved With Tetrabenazine, Clozapine, and Botulinum Toxin. Front Pharmacol 2019; 10:281. [PMID: 30949057 PMCID: PMC6435569 DOI: 10.3389/fphar.2019.00281] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 03/06/2019] [Indexed: 11/13/2022] Open
Abstract
We report on a patient with tardive dyskinesia (TDK) treated with aripiprazole, a third-generation antipsychotic with partial D2 agonist-antagonist activity at both the dopamine and serotonin receptors. The patient’s condition improved with administration of a combination of tetrabenazine, botulinum toxin, and clozapine, which has previously not been used. We suggest that this treatment combination may have potential benefits for patients with TDK. After aripiprazole discontinuation, the patient was treated with clozapine (150 mg/day) and biperiden (8 mg/day). Due to a lack of improvement, we administered 300 units (intramuscularly; IM) of botulinum toxin into the paravertebral muscles every 3 months and 1,000 units IM every 4 months in addition to tetrabenazine (75 mg/day) and biperiden (8 mg/day). The patient stopped this treatment, at which point TDK reappeared. After starting a treatment regimen of clozapine (100 mg/day), tetrabenazine (75 mg/day), and botulinum toxin (300 units IM), the patient’s symptoms remitted.
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Affiliation(s)
- Lourdes Aguilar
- Psychiatry Service, Health Care Complex, Salamanca, Spain.,Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Psychiatry, University of Salamanca, Salamanca, Spain
| | - Carolina Lorenzo
- Psychiatry Service, Health Care Complex, Salamanca, Spain.,Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Psychiatry, University of Salamanca, Salamanca, Spain
| | | | - Carlos Roncero
- Psychiatry Service, Health Care Complex, Salamanca, Spain.,Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Psychiatry, University of Salamanca, Salamanca, Spain
| | - Angel L Montejo
- Psychiatry Service, Health Care Complex, Salamanca, Spain.,Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Nursing School E.U.E.F., University of Salamanca, Salamanca, Spain
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Switching antipsychotic treatment to aripiprazole in psychotic patients with neuroleptic-induced tardive dyskinesia: a 24-week follow-up study. Int Clin Psychopharmacol 2018; 33:155-162. [PMID: 29324468 DOI: 10.1097/yic.0000000000000208] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Aripiprazole is a second-generation antipsychotics, acting as a partial dopamine D2 receptor agonist. Previous studies on aripiprazole for tardive dyskinesia (TD) treatment were limited and inconclusive. This study was aimed to examine the effectiveness of aripiprazole in psychotic patients with a pre-existing TD. This was an open-label 24-week prospective cohort study conducted in a public mental hospital in Northern Taiwan from January 2009 to February 2010. Psychotic patients were cross-titrated of prior antipsychotics with aripiprazole, and the severity of TD was assessed at baseline and at weeks 2, 4, 8, 12, 16, 20, and 24. The primary study outcome was the change of TD severity, assessed by Abnormal Involuntary Movement Scale (AIMS) total score. Responder was defined as the reduction of AIMS total scores of no less than 50% from baseline to the study endpoint (24 weeks). Thirty psychotic patients with neuroleptic-induced TD were recruited. The AIMS total scores significantly decreased from baseline to the study endpoint (-7.17±5.55). The significant decrease of AIMS total scores started at week 2 (P<0.0001), and the change remained significant throughout the entire study period (P<0.0001). A greater severity of TD (adjusted odds ratio: 1.35, 95% confidence interval: 1.04-1.76, P=0.03) or a lower severity of parkinsonism (adjusted odds ratio: 0.78, 95% confidence interval: 0.61-0.99, P=0.04) at baseline was significantly associated with treatment responders. Our findings implicated that aripiprazole can be a promising treatment for clinicians considering drug switch in psychotic patients with TD. Further large randomized, controlled trials are warranted to confirm our findings.
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Abstract
Aripiprazole is a unique atypical antipsychotic with partial agonist activity on the dopamine-2 (D2) receptor. This unique pharmacological profile of aripiprazole was thought to lead to a lower incidence of extrapyramidal symptoms (EPSs). However, recent case reports have alluded to an increase in the risk of EPS in aripiprazole users compared with nonusers of the drug. No epidemiologic studies to date have quantified this risk. We conducted a pharmacoepidemiologic study composed of a nested case-control study using a large health claims database (IMS Health) in the United States. In the nested case-control analysis, there were 5242 cases of EPS with 50,532 corresponding controls in the entire cohort. The odds ratio (OR) for EPS among those with any prescription of aripiprazole was 5.38 (95% confidence interval [CI], 3.03-9.57). The OR was lower among those taking 2 to 3 prescriptions (OR, 2.9; 95% CI, 1.07-7.85) but increased in those receiving greater than 4 prescriptions (OR, 8.64; 95% CI, 2.63-28.38). All risk periods were compared with those of subjects who had not used aripiprazole or other antipsychotics. For the secondary outcome of dyskinesia, the risk for aripiprazole was 8.50 (95% CI, 8.53-2.27-31.97) compared with that of nonusers. In conclusion, we found an increase in the risk of EPS and dyskinesias among users of aripiprazole.
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Macaluso M, Flynn A, Preskorn S. Determining Whether a Definitive Causal Relationship Exists Between Aripiprazole and Tardive Dyskinesia and/or Dystonia in Patients With Major Depressive Disorder, Part 4: Case Report Data. J Psychiatr Pract 2016; 22:203-20. [PMID: 27123800 DOI: 10.1097/pra.0000000000000157] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This series of columns has 3 main goals: (1) to explain class warnings as used by the United States Food and Drug Administration, (2) to increase awareness of movement disorders that may occur in patients treated with antipsychotic medications, and (3) to understand why clinicians should refrain from immediately assuming a diagnosis of tardive dyskinesia/dystonia (TD) in patients who develop abnormal movements during treatment with antipsychotics. The first column in the series presented a patient who developed abnormal movements while being treated with aripiprazole as an augmentation strategy for major depressive disorder and reviewed data concerning the historical background, incidence, prevalence, and risk factors for tardive and spontaneous dyskinesias, the clinical presentations of which closely resemble each other. The second column in the series reviewed the unique mechanism of action of aripiprazole and reviewed preclinical studies and an early-phase human translational study that suggest a low, if not absent, risk of TD with aripiprazole. The third column in this series reviewed the registration trial data for aripiprazole across all of its indications and found a raw incidence of TD ranging from 0.004 (4 out of 987) in long-term studies of the drug as an augmentation strategy for major depressive disorder to 0.0016 (19 out of 11,897) based on all short-term (ie, weeks to <6 mo) and long-term (6 mo to 1 y) studies combined. This fourth column in the series reviews the "real-world" data on aripiprazole and assesses whether these data also support the conclusion that aripiprazole has a low to absent risk of causing TD. The "real-world" data consist of case reports from the medical literature and the United States Food and Drug Administration Adverse Event Reporting System (FAERS). We found 37 cases in the medical literature reporting what was termed TD in association with aripiprazole treatment as well as 27 case reports suggesting improvement in preexisting TD with aripiprazole treatment. On the basis of the case reports from the medical literature, the potential or raw incidence of TD during "real-world" treatment with aripiprazole was 0.0000062 (37 out of the 6 million individuals who had been treated with aripiprazole in the United States as of 2013 according to a report from Otsuka). A query of the FAERS yielded 312 cases of TD in which aripiprazole was the primary suspect. On the basis of the FAERS data and again assuming 6 million individuals exposed to aripiprazole, this yields a raw incidence of 0.000052 (312 out of 6 million) for TD in patients treated with aripiprazole. However, these estimates have limitations because they are based on anecdotal reports and pharmacovigilance data and, thus, the events themselves were not confirmed or verified in a systematic way. Further, the figure of 6 million people exposed to aripiprazole was based on data reported to the authors by the drug's manufacturer and only applies to exposure in the United States. The final column in this 5-part series will discuss the types of prohibitively expensive and logistically difficult studies that would be needed to determine whether a definitive causal relationship between aripiprazole and TD exists.
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Affiliation(s)
- Matthew Macaluso
- MACALUSO and PRESKORN: Department of Psychiatry, University of Kansas School of Medicine-Wichita, Wichita, KS FLYNN: Robert J. Dole VA Medical Center, Wichita, KS
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Joe S, Park J, Lim J, Park C, Ahn J. Remission of irreversible aripiprazole-induced tardive dystonia with clozapine: a case report. BMC Psychiatry 2015; 15:253. [PMID: 26482558 PMCID: PMC4617769 DOI: 10.1186/s12888-015-0644-1] [Citation(s) in RCA: 14] [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: 01/07/2015] [Accepted: 10/12/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Aripiprazole can cause irreversible tardive dystonia in some individuals, and additional intervention is sometimes needed. Here, we report the first case of aripiprazole-induced irreversible tardive dystonia in which complete recovery of motor function was achieved using the antipsychotic drug clozapine. CASE PRESENTATION A 24-year-old man with bipolar disorder was treated with aripiprazole and gradually developed tardive dystonia. Thorough medical and neurological examinations were performed to rule out other possible causes of tardive dystonia. Clozapine was administered when the patient did not improve following long-term withdrawal of aripiprazole or adjuvant medications. Before administration of clozapine, the patient was experiencing severe dystonia as assessed by the Extrapyramidal Symptom Rating Scale. Dystonic symptoms began to improve about 1 month after starting administration of clozapine and were completely resolved 3 months after clozapine administration. CONCLUSIONS Clinicians should note the risk of aripiprazole-induced tardive dystonia and consider clozapine as an alternative and effective treatment modality in cases of irreversible tardive dystonia, particularly when concomitant treatment of psychotic symptoms is required.
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Affiliation(s)
- Soohyun Joe
- Department of Psychiatry, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea. .,Department of Psychiatry, Ulsan University Hospital, 877 Bangeojinsunhwan-doro, Dong-gu, Ulsan, Republic of Korea.
| | - Jangho Park
- Department of Psychiatry, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea.
| | - Jongseok Lim
- Department of Psychiatry, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea.
| | - Choongman Park
- Department of Psychiatry, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea.
| | - Joonho Ahn
- Department of Psychiatry, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea.
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Howland RH. Atypical Antipsychotics Are Not All Alike: Side Effects and Risk Assessment. J Psychosoc Nurs Ment Health Serv 2014; 52:13-5. [DOI: 10.3928/02793695-20140820-01] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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9
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Variations of Aripiprazole-Induced Dyskinesia Existing with Concurrent Use of Amantadine and an Anticholinergic Agent in an Elderly Patient. INT J GERONTOL 2012. [DOI: 10.1016/j.ijge.2011.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Ono S, Suzuki Y, Shindo M, Endo T, Fukui N, Sugai T, Someya T. Improvement of tardive dyskinesia and dystonia associated with aripiprazole following a switch to quetiapine: case report and review of the literature. J Clin Pharm Ther 2011; 37:370-2. [PMID: 22023382 DOI: 10.1111/j.1365-2710.2011.01290.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE Aripiprazole has a low risk of extrapyramidal symptoms. Switching to aripiprazole has been reported to improve tardive dyskinesia caused by other medications. The authors report a case and review previous reports of dystonia and dyskinesia associated with aripiprazole. CASE SUMMARY We present a case of a 22-year-old man with schizophrenia who experienced dyskinesia and dystonia associated with aripiprazole. Switching from olanzapine to aripiprazole resulted in worsening dyskinesia and new onset of dystonia. The patient's dyskinesia and dystonia improved after switching from aripiprazole to quetiapine therapy. WHAT IS NEW AND CONCLUSION There were several previous case reports on dyskinesia and dystonia associated with aripiprazole medication. The risk factors for tardive dyskinesia include older age and female sex. However, our case was a male patient who was younger compared with the previous cases and so should have been less at risk for dyskinesia in comparison with the previous cases. The effects of aripiprazole can include tardive movement disorders. Dyskinesia, dystonia and psychotic symptoms were improved with relatively small dose of quetiapine in this case. Whether some second-generation antipsychotics are more effective than others in the treatment of tardive dyskinesia remains unclear.
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Affiliation(s)
- S Ono
- Department of Psychiatry, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Kang NR, Kim MD. Tardive dyskinesia: treatment with aripiprazole. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE 2011; 9:1-8. [PMID: 23430384 PMCID: PMC3568649 DOI: 10.9758/cpn.2011.9.1.1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2010] [Revised: 09/29/2010] [Accepted: 01/10/2011] [Indexed: 01/23/2023]
Abstract
Tardive dyskinesia is characterized by choreiform movements, or rhythmic abnormal involuntary movements of the face, mouth, tongue, trunk, and limbs. It is frequently associated with the use of neuroleptic medications. The choreiform movements are irreversible in some patients, even after the drug is withdrawn. Although no reliable treatment for tardive dyskinesia exists, atypical antipsychotics are associated with a significantly lower incidence of tardive dyskinesia than typical antipsychotics. Moreover, recent reports suggest that atypical antipsychotics may have a beneficial effect on tardive dyskinesia remission. Until recently, evidence for the effectiveness of aripiprazole on tardive dyskinesia has been mixed. Aripiprazole has a unique mechanism of action and has various effects in tardive dyskinesia. The drug acts as a partial D2 receptor agonist that can stabilize D2 up-regulation, and as a partial 5-HT1A receptor agonist and a 5-HT2A receptor antagonist, and can increase the release of dopamine in the striatum.
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Affiliation(s)
- Na-Ri Kang
- Department of Psychiatry, Cheju National University Hospital, Jeju, Korea
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Abstract
Tardive dystonia is a side effect of dopamine receptor-blocking agents, which are mainly used as antipsychotic drugs. The treatment of tardive dystonia is difficult and often unsuccessful. An 82-year-old woman experienced mandibular deviation to the left due to spasm of the masticatory muscles with involuntary chewing movement and Parkinsonism. She had been treated with sulpiride for motility disorder for 5 years. Parkinsonism almost disappeared after the withdrawal of sulpiride, but tardive oromandibular dystonia showed no improvement. Aripiprazole treatment at 3 mg/day improved tardive oromandibular dystonia without worsening Parkinsonism. Low-dosage aripiprazole may be effective for tardive oromandibular dystonia in patients with no other psychiatric disorder.
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Affiliation(s)
- Noboru Imai
- Department of Neurology, Shizuoka Red Cross Hospital, Japan.
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Tarsy D, Lungu C, Baldessarini RJ. Epidemiology of tardive dyskinesia before and during the era of modern antipsychotic drugs. HANDBOOK OF CLINICAL NEUROLOGY 2011; 100:601-616. [PMID: 21496610 DOI: 10.1016/b978-0-444-52014-2.00043-4] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Late or tardive dyskinesias/dystonias (TD), contrary to expectation, have not disappeared with the use of expensive, modern antipsychotic drugs (APDs). Risk appears to be substantially lower than with older neuroleptics, and there is sparing of most acute movement disorders traditionally associated with APD treatment. However, risks of TD with modern APDs have been reduced much less than expected, by perhaps two- to threefold or even less, with substantial risks in the elderly. Major challenges in assessing prevalence or, preferably, incidence of TD arise from prolonged and erratic past exposure to various APDs, relatively recent use of modern APDs, and the occurrence of spontaneous movement disorders (about 5% and more in the elderly). TD risks associated with modern APDs may be similar to some older neuroleptics, especially those of low-moderate potency. Risperidone (and its active metabolite paliperidone), at high doses, may carry unusually high TD risk, whereas TD risk is low with clozapine, and perhaps quetiapine and aripiprazole. Optimistic expectations for the efficacy and neurological safety of modern APDs have encouraged their wide use in many conditions, sometimes off-label or in combinations, with little research support, increasing the chance of a higher prevalence of TD, especially at older ages. Measures to limit TD risk include: (1) critical, objective indications for APD use; (2) long-term use only for compelling or research-supported indications, primarily chronic psychotic illness that worsens when APD is slowly discontinued; (3) avoiding off-label indications; (4) using alternative treatments when APD treatment is elective, or early dyskinesia is identified; (5) using low but effective doses of single APDs, especially in the elderly; and (6) regular and specific examination for early TD.
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Affiliation(s)
- Daniel Tarsy
- Department of Neurology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, MA 02215, USA.
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Peña MS, Yaltho TC, Jankovic J. Tardive dyskinesia and other movement disorders secondary to aripiprazole. Mov Disord 2010; 26:147-52. [PMID: 20818603 DOI: 10.1002/mds.23402] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2010] [Revised: 05/17/2010] [Accepted: 07/13/2010] [Indexed: 11/09/2022] Open
Abstract
The objective of this report is to draw attention to tardive dyskinesia (TD) caused by aripiprazole, a third generation antipsychotic. TD has been traditionally attributed to typical (first-generation) antipsychotics, but other dopamine receptor blocking drugs and atypical (second- and third-generation) neuroleptics are emerging as an important cause of TD. We reviewed the medical records of patients with TD seen at the Baylor College of Medicine Movement Disorders Clinic between 2002 and 2010 to identify patients with TD associated with aripiprazole. Among 236 patients with TD seen over the specified period, 8 (3.4%) were found to have aripiprazole-associated TD. In 5 patients, TD occurred after exclusive exposure to aripiprazole. The mean age at onset was 55.8 ± 14.8 years with a female predominance. The average duration of treatment with aripiprazole was 18.4 ± 26.4 months. Oro-bucco-lingual stereotypy was seen in all patients. In most patients, TD did not spontaneously improve after stopping aripiprazole. Of the 5 patients treated with tetrabenazine, 4 improved during follow-up. Although aripiprazole, a third generation antipsychotic, has been promoted to have a low risk of TD, the drug accounts for about 3.5% of patients with TD evaluated in a movement disorders clinic. This largest reported series draws attention to the growing incidence of TD and other drug-induced movement disorders associated with "atypical antipsychotics."
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Affiliation(s)
- Maria Sierra Peña
- Department of Neurology, Parkinson's Disease Center and Movement Disorders Clinic, Baylor College of Medicine, Houston, Texas, USA
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Esper CD, Freeman A, Factor SA. Lingual protrusion dystonia: frequency, etiology and botulinum toxin therapy. Parkinsonism Relat Disord 2010; 16:438-41. [PMID: 20494607 DOI: 10.1016/j.parkreldis.2010.04.007] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2010] [Accepted: 04/19/2010] [Indexed: 10/19/2022]
Abstract
The purpose of this study was to examine lingual protrusion dystonia (LPD); its frequency, etiology and response to botulinum toxin therapy. Previous literature suggests that LPD is more frequently the result of heredodegenerative disease and that the use of botulinum toxin therapy in LPD is associated with significant adverse effects. This is a retrospective database and record review from a movement disorder clinic. Of 421 dystonia patients, we identified 17 with LPD (4%). Of these cases, the diagnoses were: primary cranial dystonia (5), primary generalized dystonia (2), tardive dystonia (7), heredodegenerative disease (1), multifactorial (1) and post-infectious (1). All primary cases had concomitant oromandibular dystonia. In some secondary cases the LPD was the only cranial feature. Nine received botulinum toxin injections and 55.6% sustained moderate or marked improvement. Of 89 total botulinum toxin sessions, 66.3% had an excellent response, and 92.1% had some response. 97.8% of the sessions resulted in no significant adverse effects. On one occasion one patient developed severe dysphagia requiring placement of a percutaneous gastrostomy (PEG) tube. We conclude that LPD is rare, most commonly the result of tardive and primary dystonia. Botulinum toxin therapy may be very effective but needs to be utilized with care because of the possibility for the development of dysphagia.
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Affiliation(s)
- Christine D Esper
- Emory University School of Medicine, Department of Neurology, Movement Disorders Program, Atlanta, GA 30329, USA
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Current awareness: Pharmacoepidemiology and drug safety. Pharmacoepidemiol Drug Saf 2009. [DOI: 10.1002/pds.1653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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