Neural Predictors of the Antidepressant Placebo Response

The antidepressant placebo response remains a barrier to the development of novel therapies for depression, despite decades of efforts to identify and methodologically address its clinical correlates. This manuscript reviews recent neuroimaging studies that aim to identify the neural signature of an...

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Main Authors: Danielle Rette, Erin McDonald, Dan V. Iosifescu, Katherine A. Collins
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Pharmaceuticals
Subjects:
Online Access:https://www.mdpi.com/1424-8247/12/4/158
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author Danielle Rette
Erin McDonald
Dan V. Iosifescu
Katherine A. Collins
author_facet Danielle Rette
Erin McDonald
Dan V. Iosifescu
Katherine A. Collins
author_sort Danielle Rette
collection DOAJ
description The antidepressant placebo response remains a barrier to the development of novel therapies for depression, despite decades of efforts to identify and methodologically address its clinical correlates. This manuscript reviews recent neuroimaging studies that aim to identify the neural signature of antidepressant placebo response. Data captured in clinical trials have primarily focused on antidepressant efficacy or predicting antidepressant response and have reliably implicated the rostral anterior cingulate cortex (rACC) in antidepressant placebo response, but also in medication response. Imaging and electroencephalography (EEG) experiments specifically interrogating the mechanism of antidepressant placebo response, while few, suggest the reward network, including opiate neurotransmission, is also involved. Therefore, while the rACC is likely involved in the antidepressant placebo response, its observation in isolation is unlikely to prospectively distinguish antidepressant placebo from medication responders. Instead, future studies of antidepressant placebo response should probe the reward network as a whole and incorporate sophisticated computational analytical approaches.
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spelling doaj.art-d1281523f3cb4f669c361cb45937bfd82022-12-22T00:00:48ZengMDPI AGPharmaceuticals1424-82472019-10-0112415810.3390/ph12040158ph12040158Neural Predictors of the Antidepressant Placebo ResponseDanielle Rette0Erin McDonald1Dan V. Iosifescu2Katherine A. Collins3Nathan Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USANathan Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USANathan Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USANathan Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USAThe antidepressant placebo response remains a barrier to the development of novel therapies for depression, despite decades of efforts to identify and methodologically address its clinical correlates. This manuscript reviews recent neuroimaging studies that aim to identify the neural signature of antidepressant placebo response. Data captured in clinical trials have primarily focused on antidepressant efficacy or predicting antidepressant response and have reliably implicated the rostral anterior cingulate cortex (rACC) in antidepressant placebo response, but also in medication response. Imaging and electroencephalography (EEG) experiments specifically interrogating the mechanism of antidepressant placebo response, while few, suggest the reward network, including opiate neurotransmission, is also involved. Therefore, while the rACC is likely involved in the antidepressant placebo response, its observation in isolation is unlikely to prospectively distinguish antidepressant placebo from medication responders. Instead, future studies of antidepressant placebo response should probe the reward network as a whole and incorporate sophisticated computational analytical approaches.https://www.mdpi.com/1424-8247/12/4/158placebo responseantidepressantneural predictors
spellingShingle Danielle Rette
Erin McDonald
Dan V. Iosifescu
Katherine A. Collins
Neural Predictors of the Antidepressant Placebo Response
Pharmaceuticals
placebo response
antidepressant
neural predictors
title Neural Predictors of the Antidepressant Placebo Response
title_full Neural Predictors of the Antidepressant Placebo Response
title_fullStr Neural Predictors of the Antidepressant Placebo Response
title_full_unstemmed Neural Predictors of the Antidepressant Placebo Response
title_short Neural Predictors of the Antidepressant Placebo Response
title_sort neural predictors of the antidepressant placebo response
topic placebo response
antidepressant
neural predictors
url https://www.mdpi.com/1424-8247/12/4/158
work_keys_str_mv AT daniellerette neuralpredictorsoftheantidepressantplaceboresponse
AT erinmcdonald neuralpredictorsoftheantidepressantplaceboresponse
AT danviosifescu neuralpredictorsoftheantidepressantplaceboresponse
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