The present invention relates to the use of MTA, its pharmaceutically acceptable salts and/or prodrugs thereof as active ingredient in the manufacture of a medicament for the prevention or treatment of nerve cell death or damage, a neuroprotective medicament, a medicament for the regeneration of nerve cells, and a medicament for the prevention or treatment of a neurological or psychiatric disease. The present invention also relates to a method of prevention or treatment of nerve cell death or damage, a method of neuroprotection, a method of regenerating nerve cells and a method of prevention or treatment of a neurological or psychiatric disease.