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- W1993889760 abstract "Few studies have demonstrated in vivo alterations of human serotonin and dopamine transporters (SERTS and DATS) during antidepressant treatment. The current study measured these transporter availabilities with [123I]β-CIT single photon emission computed tomography (SPECT) during administration of selective serotonin reuptake inhibitors (SSRIs) or a non-SSRI, bupropion. A total of 17 healthy human subjects were randomly assigned to two different treatment protocols: (1) citalopram (40 mg/day) followed by augmentation with bupropion (100 mg/day) or (2) bupropion (100–200 mg/day) for 16 days. Citalopram significantly inhibited [123I]β-CIT binding to SERT in brainstem (51.4%) and diencephalon (39.4%) after 8 days of administration, which was similarly observed after 16 days. In contrast, citalopram significantly increased striatal DAT binding by 15–17% after 8 and 16 days of administration. Bupropion and its augmentation to citalopram did not have a significant effect on DAT or SERT. In 10 depressed patients who were treated with paroxetine (20 mg/day), a similar increase in DAT and inhibition of SERT were observed during 6 weeks treatment. The results demonstrated the inhibition of SERT by SSRI in human in vivo during the chronic treatment and, unexpectedly, an elevation of DAT. This apparent SSRI-induced modulation of the dopamine system may be associated with the side effects of these agents, including sexual dysfunction." @default.
- W1993889760 created "2016-06-24" @default.
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- W1993889760 date "2002-07-19" @default.
- W1993889760 modified "2023-10-07" @default.
- W1993889760 title "Changes in Human In vivo Serotonin and Dopamine Transporter Availabilities during Chronic Antidepressant Administration" @default.
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- W1993889760 doi "https://doi.org/10.1038/sj.npp.1300036" @default.
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