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[[File:Agomelatine structure.svg|thumb|Chemical structure of Agomelatine.|alt=Chemical Structure of Agomelatine]]<br />
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'''Agomelatine''' is an atypical antidepressant primarily used in the treatment of major depressive disorder (MDD). Unlike traditional antidepressants, Agomelatine's mechanism of action is unique, as it acts as an agonist to melatonin receptors and an antagonist to serotonin receptors. This novel approach not only aids in alleviating symptoms of depression but also helps in regulating sleep-wake cycles, making it a distinctive option in the pharmacotherapy of depression.<br />
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== Pharmacology ==<br />
Agomelatine's mechanism involves the modulation of melatonin and serotonin receptors. By mimicking the action of melatonin, it helps regulate circadian rhythms, which are often disrupted in individuals with depression. Additionally, its antagonistic action on serotonin receptors contributes to its antidepressant effects.<br />
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== Therapeutic Use ==<br />
Agomelatine is indicated for the treatment of major depressive episodes in adults. Clinical studies have shown that it is as effective as other standard antidepressants for acute treatment of MDD, with the added benefit of improving sleep patterns and circadian rhythm disturbances.<br />
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== Efficacy and Safety ==<br />
Reviews of clinical trials have found Agomelatine to be comparable in efficacy to other antidepressants, with similar discontinuation rates. However, it tends to have fewer discontinuations due to side effects, suggesting a favorable tolerability profile. Common side effects include headache, nausea, and dizziness, but Agomelatine is less likely to cause sexual dysfunction or weight gain, which are common with other antidepressants.<br />
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== Approval Status ==<br />
* '''Europe''': Agomelatine was approved for medical use by the European Medicines Agency (EMA) in 2009.<br />
* '''Australia''': The Therapeutic Goods Administration (TGA) approved it in 2010.<br />
* '''United States''': Its use has not been approved by the Food and Drug Administration (FDA), and efforts to obtain approval were discontinued in 2011.<br />
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== Development and Manufacturer ==<br />
Agomelatine was developed by the French pharmaceutical company Servier. Despite its limited approval globally, it represents an important advancement in the treatment options available for depression, offering an alternative for patients who do not respond well to conventional antidepressants.<br />
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== See Also ==<br />
* [[Antidepressant]]<br />
* [[Major depressive disorder]]<br />
* [[Melatonin receptor agonist]]<br />
* [[Serotonin receptor antagonist]]<br />
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== External Links ==<br />
* [https://www.ema.europa.eu/en/medicines/human/EPAR/valdoxan European Medicines Agency - Valdoxan (Agomelatine)]<br />
* [https://www.tga.gov.au/ Therapeutic Goods Administration]<br />
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[[Category:Antidepressants]]<br />
[[Category:Pharmacology]]<br />
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