Dothiepin. A review of its pharmacodynamic and pharmacokinetic properties, and therapeutic efficacy in depressive illness.

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Lancaster SG, Gonzalez JP

Dothiepin. A review of its pharmacodynamic and pharmacokinetic properties, and therapeutic efficacy in depressive illness.

Drugs. 1989 Jul;38(1):123-47.

PubMed ID
2670509 [ View in PubMed
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Abstract

Dothiepin is a tricyclic antidepressant that is structurally related to amitriptyline. It appears that the antidepressant activity of dothiepin is mediated through facilitation of noradrenergic neurotransmission by uptake inhibition and possibly also by enhancement of serotoninergic neurotransmission. The overall therapeutic efficacy of dothiepin is very similar to that of amitriptyline. In addition, dothiepin appears to be comparable to imipramine, doxepin, maprotiline, mianserin, fluoxetine, fluvoxamine and trazodone. Dry mouth is the most commonly reported side effect of therapeutic doses but the incidence of this and other anticholinergic side effects is less among patients treated with dothiepin than with amitriptyline. However, the sedative/anxiolytic activity of dothiepin is similar to that of amitriptyline. Dothiepin has not been associated with cardiotoxicity at therapeutic doses. Thus, many years of extensive clinical use have shown that dothiepin is now an established and effective antidepressant in both inpatients and outpatients with depressive symptoms of varying severity and coexisting anxiety. Its therapeutic equivalence to other tricyclics ensures its place as a treatment alternative in these disorders.

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