Vanda Pharmaceuticals, Inc. engages in the development and commercialization of therapies for high unmet medical needs. The firm intends to treat schizophrenia, jet lag disorder, atopic dermatitis, central nervous system disorders, and circadian rhythm sleep disorder. Its product portfolio includes HETLIOZ, Fanapt, Tradipitant, Trichostatin, and AQW051. The company was founded by Mihael Hristos Polymeropoulos and Argeris N. Karabelas in 2002 and is headquartered in Washington, DC.