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Studies on Monoamine Transporter Occupancy of Antidepressants using PET: Focusing on SERT and NET Satoshi Matsuyama 1 , Ryosuke Arakawa 2 , Yuko Asami 1 1Medical Affairs, Upjohn, Pfizer Japan Inc. 2Department of Neuropsychiatry, Nippon Medical School Keyword: ポジトロンエミッション断層撮影法 , PET , 抗うつ薬 , セロトニントランスポーター , ノルエピネフリントランスポーター , 占有率 , positron emission tomography , antidepressant , serotonin transporter , norepinephrine transporter , occupancy pp.731-736
Published Date 2021/6/1
DOI https://doi.org/10.11477/mf.1416201823
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Abstract

Monoamine transporter occupancy of antidepressants in the brain can be measured by positron emission tomography. For antidepressive effects to appear, serotonin transporter (SERT) occupancy should rise to 80% or higher. Despite a recent increase in the number of reports on norepinephrine transporter (NET) occupancy, estimating the threshold level of NET occupancy required for antidepressive effects is difficult based on the analysis of NET alone. Therefore, studies should be conducted on NET occupancy required for a valid treatment, including an ideal balance between SERT and NET occupancy.

(Received 24 September 2020; Accepted December 18, 2020; Published June 1, 2021)


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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