It is a drug discovered in 2004 that acts as a neurotransmitter of neurons in the nervous system by reducing calcium entry and the release of drivers such as noradrenaline and glutamate on nerve transmission; It is a similar to gamma-aminobutyric acid 40 acid; 41 GABA; to relieve pain in diabetic neuropathy, post-herpetic neuralgia, the fribromialgias, epileptic seizures and anxiety disorders.