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KMID : 1009020200180040493
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Clinical Psychopharmacology and Neuroscience
2020 Volume.18 No. 4 p.493 ~ p.506
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Recent Advances in the Pharmacology of Tardive Dyskinesia
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Caroff Stanley N.
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Abstract
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Tardive dyskinesia (TD) is a syndrome of abnormal involuntary movements that follows treatment with dopamine D2-receptor antagonists. Recent approval of vesicular monoamine transporter-2 (VMAT2) inhibitors offers hope for reducing the impact of TD. Although these drugs represent a significant advance in patient care and a practical step forward in providing relief for patients with TD, understanding of the pharmacology of TD that could inform future research to prevent and reverse TD remains incomplete. This review surveys evidence for the effectiveness of VMAT2 inhibitors and other agents in the context of theories of pathogenesis of TD. In patients for whom VMAT2 inhibitors are ineffective or intolerable, as well as for extending therapeutic options and insights regarding underlying mechanisms, a review of clinical trial results examined as experimental tests of etiologic hypotheses is worthwhile. There are still compelling reasons for further investigations of the pharmacology of TD, which could generate alternative preventive and potentially curative treatments. Finally, benefits from novel drugs are best realized within an overall treatment strategy addressing the condition and needs of individual patients.
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KEYWORD
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Tardive dyskinesia, Parkinsonian disorders, Antipsychotic agents, Dopamine antagonists, VMAT2 vesicular monoamine transport proteins, Movement disorder
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