High Quality Content by WIKIPEDIA articles! Agomelatine (trade names Valdoxan, Melitor, Thymanax) is an antidepressant developed by the pharmaceutical company Servier. It is marketed for the treatment of major depressive disorder and has been reported to have a reduced level of sexual side effects as well as discontinuation effects compared to some other antidepressants. Agomelatine may also have positive effects on sleep.