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Concept
Iprindole
Résumé
Iprindole, sold under the brand names Prondol, Galatur, and Tertran, is an atypical tricyclic antidepressant (TCA) that has been used in the United Kingdom and Ireland for the treatment of depression but appears to no longer be marketed. It was developed by Wyeth and was marketed in 1967. The drug has been described by some as the first "second-generation" antidepressant to be introduced. However, it was very little-used compared to other TCAs, with the number of prescriptions dispensed only in the thousands.
Iprindole was used in the treatment of major depressive disorder in dosages similar to those of other TCAs.
Iprindole has been associated with jaundice and hepatotoxicity and should not be taken by alcoholics or people with pre-existing liver disease. If such symptoms are encountered iprindole should be discontinued immediately.
Anticholinergic side effects such as dry mouth and constipation are either greatly reduced in comparison to imipramine and most other TCAs or fully lacking with iprindole. However, it still has significant antihistamine effects and therefore can produce sedation, though this is diminished relative to other TCAs similarly. Iprindole also lacks significant alpha-blocking properties, and hence does not pose a risk of orthostatic hypotension.
Tricyclic antidepressant overdose
In overdose, iprindole is much less toxic than most other TCAs and is considered relatively benign. For instance, between 1974 and 1985, only two deaths associated with iprindole were recorded in the United Kingdom, whereas 278 were reported for imipramine, although imipramine is used far more often than iprindole.
Iprindole has been shown to be a potent inhibitor of the aromatic hydroxylation and/or N-dealkylation-mediated metabolism of many substances including, but not limited to octopamine, amphetamine, methamphetamine, fenfluramine, phenelzine, tranylcypromine, trimipramine, and fluoxetine, likely via inactivating cytochrome P450 enzymes. It also inhibits its own metabolism.
Source officielle
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