RespireRx Pharmaceuticals Inc. engages in the discovery, development, and commercialization of pharmaceuticals for the treatment of neurological and psychiatric disorders. It has two drug platforms comprising ResolutionRx, a pharmaceutical cannabinoids platform, which includes dronabinol that acts upon the CB1 and CB2 endocannabinoid receptors for use in chemotherapy-induced nausea and vomiting, as well as for anorexia in patients with AIDS and obstructive sleep apnea; and EndeavourRx, a neuromodulators platform that comprises AMPAkines program, including proprietary compounds that are positive allosteric modulators (PAMs) of alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA)-type glutamate receptors to promote neuronal function, and GABAkines program, including proprietary compounds that are PAMs of GABAA receptors. The company's lead ampakine, CX1739, which has completed Phase II clinical studies for opioid-induced respiratory depression, as well as for central sleep apnea. It is also developing CX717, CX1739, and CX1942 that have clinical application in the treatment of CNS-driven neurobehavioral and cognitive disorders, spinal cord injury, neurological diseases, and various orphan indications. The company was formerly known as Cortex Pharmaceuticals, Inc. and changed its name to RespireRx Pharmaceuticals Inc. in December 2015. RespireRx Pharmaceuticals Inc. was incorporated in 1987 and is headquartered in Glen Rock, New Jersey.