Anxiolytics selective serotonin reuptake inhibitor

Beginning in the 1960s, ben2odia2epiae anxiolytics and hypnotics rapidly became the standard prescription dmg treatment. In the 1980s, buspkone [36505-84-7] (3), which acts as a partial agonist at the serotonin [50-67-9] (5-hydroxytryptamine, 5-HT) type lA receptor, was approved as treatment for generali2ed anxiety. More recently, selective serotonin reuptake inhibitors (SSRIs) have been approved for therapy of panic disorder and obsessive—compulsive behavior. 

Selective serotonin reuptake inhibitor antidepressant selection and anxiolytic and sedative hypnotic prescribing a multivariate analysis./ Clin Outcomes Manage 4, 16—22. 

Venlafaxine extended release, duloxetine, paroxetine, and escitalopram are FDA approved for treatment of GAD. Sertraline is also effective. Acute response and remission rates are approximately 65% and 30%, respectively. Imipramine may be used when patients fail to respond to selective serotonin reuptake inhibitors (SSRIs). In one trial, diazepam, trazodone, and imipramine had greater anxiolytic activity than placebo. 

In addition to buspirone and the non-barbituate, non-BZP hypnotics, selective serotonin reuptake inhibitors (SSRIs), venlafaxine, and other new antidepressants all represent attempts to achieve anxiolytic and hypnotic effects seen with the BZDs, while avoiding their unwanted properties. 

Psychotropic drugs Major tranquillisers, anxiolytics and hypnotics, tricyclic antidepressants, selective serotonin reuptake inhibitors ... 

By the 1990s antidepressants from the serotonin selective reuptake inhibitor (SSRI) class became recognized as preferred first-line treatments for anxiety disorder subtypes, ranging from obsessive-compulsive disorder, to panic disorder, and now to social phobia and posttraumatic stress disorder (Fig. 8—9). Not all antidepressants, however, are afficacious anxiolytics. For example, desipramine and bupropion seem to be of little help in several anxiety disorder subtypes. Documentation of efficacy... 

FIGURE 8-9. By the 1990s the serotonin selective reuptake inhibitors (SSRIs) replaced classical anxiolytics as first-line treatments for anxiety disorder subtypes and for mixtures of anxiety and depression but not for generalized anxiety disorder. 

A number of medications used in the treatment of anxiety have effects on serotonin neurotransmission (Ch. 13). These medications include tricyclic antidepressant medications, SSRIs, and monoamine oxidase inhibitors (MAOIs). However, because these medications take weeks to exert their full anxiolytic effects, it is unlikely that blocking the reuptake (and thus increasing synaptic levels) of either serotonin or norepinephrine selectively is responsible for their anxiolytic properties — rather it is suspected that the therapeutic effects are due to changes in gene expression, protein levels, and eventually changes in synaptic connections between neurons. 

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