![]() In the study, 1,008 adults with previously unmedicated major depressive disorder were randomly given one of three widely prescribed typical antidepressants: escitalopram (brand name Lexapro) or sertraline (Zoloft), which act on serotonin, or venlafaxine-XR (Effexor), which acts on both serotonin and norepinephrine. “Bringing in these objective cognitive measures like imaging will make sure we’re not using the same treatment on every patient.” Finding the biotype “One of the big challenges is to find a new way to address what is currently a trial-and-error process so that more people can get better sooner,” Williams said. Woo Professor and professor of psychiatry and behavioral sciences. The study, published June 15 in JAMA Network Open, is part of a broader effort by neuroscientists to find treatments that target depression biotypes, according to the study’s senior author, Leanne Williams, PhD, the Vincent V.C. Researchers said that targeting these cognitive dysfunctions with less commonly used antidepressants or other treatments may alleviate symptoms and help restore social and occupational abilities. ![]() ![]() Scientists at Stanford Medicine conducted a study describing a new category of depression - labeled the cognitive biotype - which accounts for 27% of depressed patients and is not effectively treated by commonly prescribed antidepressants.Ĭognitive tasks showed that these patients have difficulty with the ability to plan ahead, display self-control, sustain focus despite distractions and suppress inappropriate behavior imaging showed decreased activity in two brain regions responsible for those tasks.īecause depression has traditionally been defined as a mood disorder, doctors commonly prescribe antidepressants that target serotonin (known as selective serotonin reuptake inhibitors or SSRIs), but these are less effective for patients with cognitive dysfunction. ![]()
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