Pirlindole
This drug is classified as a reversible inhibitor of monoamine oxidase A enzyme (also known as a RIMA drug). It was developed and is currently used as an antidepressant in Russia. Its chemical structure is similar to metralindole, and it also shares pharmacological properties with this drug.  Pirlindole is a selective, reversible inhibitor of monoamine oxidase (MAO) subtype A (MAO-A) that is approved in several European and non-European countries for the treatment of major depression. The antidepressant efficacy and safety of pirlindole have been demonstrated in numerous studies and, supported by many years of clinical experience in the treatment of depression. Pirlindole's efficacy and safety have also been shown in the treatment of fibromyalgia.