Such a large amount of information makes it extremely difficult t

Such a large amount of information makes it extremely difficult to make an exhaustive comparison between the different ADs. In the following, we will discuss the general aspects of the efficacy of ADs. Clinical efficacy of antidepressants Positive aspects of antidepressants

in general All molecules that meet the definition of ADs have the capacity to change in a radical and positive way the life of subjects suffering from mood disorders. Prevention of relapses and prevention of suicide attempts are also positive characteristics that are common to all ADs. When the aim is not to treat an acute depressive episode, Inhibitors,research,lifescience,medical but to suppress selleck chem inhibitor long-lasting suffering related to Inhibitors,research,lifescience,medical panic attacks, dysthymia, or phobias, die new ADs have the advantage, because they have been studied more extensively in these indications, and because of their lesser risk of severe adverse drug reactions. Comorbidity is frequent, for example, in cases where dysthymia or chronic depression is thought to originate in social isolation resulting from social phobia or an avoidant personality disorder. Negative aspects of antidepressants in general The efficacy Inhibitors,research,lifescience,medical of

ADs in depressive mood disorders develops only after a delay of a few days to 4 weeks. Despite hopes and promises, no AD has been demonstrated to have a quicker onset of antidepressant efficacy. An average of 20% to 40% of selleck chemicals llc patients Inhibitors,research,lifescience,medical with major depression do not respond to therapy, and there is no proof that any given drug is more efficacious than any other. The debate over clinical efficacy in the difficult-to-treat cases of severe depression or depression with melancholic or psychotic characteristics

is still unresolved, with some publications indicating superiority of tricyclic antidepressants (TCAs),2 while other studies or meta-analyses3 report recent ADs to have equal efficacy. Comparison of studies is complicated by the Inhibitors,research,lifescience,medical fact that the rate of drug response varies between studies, from low values, in the order of 30%;, to very high values of 70%) or more. In some studies where TCAs were found to have greater efficacy than recent ADs, the dosage of the latter may have been too low. The issue of clinical superiority of a given Cilengitide AD in other ARDs is also complex, with the exception that ADs that influence the serotoninergic system are more efficacious in obsessive-compulsive disorder than those acting selectively on noradrenergic systems. Adverse drug reactions This criterion of comparison between ADs is the one most relevant to clinical practice, since the differences in efficacy between ADs are so minimal. Positive aspects of recent antidepressants Recent ADs show less frequent and less severe adverse drug reactions.

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