{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T14:49:39Z","timestamp":1790779779406,"version":"4.1.0"},"reference-count":46,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2021,11,22]],"date-time":"2021-11-22T00:00:00Z","timestamp":1637539200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004571","name":"Minist\u00e8re des Affaires Sociales et de la Sant\u00e9","doi-asserted-by":"publisher","award":["AOM10165"],"award-info":[{"award-number":["AOM10165"]}],"id":[{"id":"10.13039\/501100004571","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Psychiatry"],"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> During cocaine withdrawal, transient depressive symptoms that do not meet the criteria for depression, but promote relapse, are frequently observed. Their temporality could evoke a role of dopamine, especially since the underlying mechanism of these depressive symptoms is not well understood. We hypothesized that variation in the dopaminergic activity profile, modeled from clinical markers, could be implicated in the development of depressive symptoms during cocaine withdrawal.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> We compared patients reporting depressive symptoms (RDS+) or not (RDS\u2013) during cocaine withdrawal. We evaluated dopaminergic activity through indirect clinical markers based on the known dopaminergic behaviors. A combined criterion was constructed for hyper and hypo dopaminergic models according to the O'Brien method and illustrated by the Hedges' effect-size and forest-plot graph. A multidimensional factorial analysis was carried out to determine which parameters discriminate RDS+\/RDS\u2013 patients.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> 313 patients were included, and 77% reported depressive symptoms during cocaine withdrawal. Hyperdopaminergic variables used to discriminate the two groups had a large overall effect size (\u22120.669) and included psychotic symptoms (\u22120.524), hallucinations (\u22120.548), and delusions (\u22120.528). The overall effect of the hypodopaminergic component was considerable (\u22120.604) with a large effect size for the severity of dependence (\u22120.616), withdrawal symptoms (\u22120.578), and anhedonia (\u22120.528). The combined model including hyperdopaminergic and hypodopaminergic components had the largest effect size (\u22120.785).<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> The dopaminergic activities profile, assessed by indirect clinical markers, seems to characterize patients with depressive symptoms very well during cocaine withdrawal. RDS+ patients reported moreover higher levels of psychotic symptoms and more severe cocaine use disorder than RDS\u2013.<\/jats:p>","DOI":"10.3389\/fpsyt.2021.775670","type":"journal-article","created":{"date-parts":[[2021,11,22]],"date-time":"2021-11-22T06:28:38Z","timestamp":1637562518000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":11,"title":["Influence of Clinical Markers of Dopaminergic Behaviors on Depressive Symptoms During Withdrawal in Cocaine 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