Treatment of major depressive disorder by low dose interleukin-2

Abstract

Disclosed are methods, compositions of matter, and protocols useful for treatment of major depressive disorder through administration of low dose interleukin-2 at a concentration and/or frequency sufficient to increase expansion of T regulatory cell numbers and/or enhancement of T regulatory cell activity. In some embodiments administration of interleukin-2 is provided as means of enhancing efficacy of standard antidepressant therapies. Furthermore, administration of interleukin-2 receptor agonists is also described in the current invention as a treatment of major depressive disorder.

Dependencies are inferred from the claim text.