Desipramine

Desipramine, sold under the brand name Norpramin among others, is a tricyclic antidepressant (TCA) used in the treatment of depression. It acts as a relatively selective norepinephrine reuptake inhibitor, though it does also have other activities such as weak serotonin reuptake inhibitory, α1-blocking, antihistamine, and anticholinergic effects. The drug has not been considered a first-line treatment for depression since the introduction of selective serotonin reuptake inhibitor (SSRI) antidepressants, which have fewer side effects and are safer in overdose.

Medical uses

Desipramine is primarily used for the treatment of depression. Evidence of benefit is only in the short term, and with concerns of side effects its overall usefulness is not clear. Desipramine at very low doses is also used to help reduce the pain associated with functional dyspepsia. It has also been tried, albeit with little evidence of effectiveness, in the treatment of cocaine dependence. Evidence for usefulness in neuropathic pain is also poor. ==Side effects==

Side effects

Desipramine tends to be less sedating than other TCAs and tends to produce fewer anticholinergic effects such as dry mouth, constipation, urinary retention, blurred vision, and cognitive or memory impairments. ==Overdose==

Overdose

Desipramine is particularly toxic in cases of overdose, compared to other antidepressants. Any overdose or suspected overdose of desipramine is considered to be a medical emergency and can result in death without prompt medical intervention. ==Pharmacology==

Pharmacology

Pharmacodynamics Desipramine is a very potent and relatively selective norepinephrine reuptake inhibitor (NRI), which is thought to enhance noradrenergic neurotransmission. Based on one study, it has the highest affinity for the norepinephrine transporter (NET) of any other TCA, The observed effectiveness of desipramine in the treatment of ADHD was the basis for the development of the selective NRI atomoxetine and its use in ADHD. It tends to be slightly activating/stimulating rather than sedating, unlike most others TCAs. although desipramine can still cause moderate orthostatic hypotension. Pharmacokinetics Desipramine is the major metabolite of imipramine and lofepramine. ==Chemistry==

Chemistry

Desipramine is a tricyclic compound, specifically a dibenzazepine, and possesses three rings fused together with a side chain attached in its chemical structure. Other dibenzazepine TCAs include imipramine (N-methyldesipramine), clomipramine, trimipramine, and lofepramine (N-(4-chlorobenzoylmethyl)desipramine). Desipramine is a secondary amine TCA, with its N-methylated parent imipramine being a tertiary amine. Other secondary amine TCAs include nortriptyline and protriptyline. The chemical name of desipramine is 3-(10,11-dihydro-5H-dibenzo[b,f]azepin-5-yl)-N-methylpropan-1-amine and its free base form has a chemical formula of C18H22N2 with a molecular weight of 266.381 g/mol. ==History==

History

Desipramine was developed by Geigy. It first appeared in the literature in 1959 and was patented in 1962. ==Society and culture==

Society and culture

Generic names Desipramine is the generic name of the drug and its and , while desipramine hydrochloride is its , , , and . Its generic name in French and its are désipramine, in Spanish and Italian and its are desipramina, in German is desipramin, and in Latin is desipraminum. Brand names Desipramine is or has been marketed throughout the world under a variety of brand names, including Irene, Nebril, Norpramin, Pertofran, Pertofrane, Pertrofran, and Petylyl among others. == References ==

Source: Wikipedia ↗

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