Reviva Pharmaceuticals Holdings, Inc., a clinical-stage biopharmaceutical company, discovers, develops, and commercializes next-generation therapeutics for diseases targeting unmet medical needs in the areas of central nervous system, respiratory, cardiovascular, metabolic, and inflammatory diseases. The company's lead product candidate is RP5063, which is in Phase III clinical trials for the treatment of schizophrenia, as well as completed Phase I clinical trials to treat bipolar disorder, major depressive disorder, attention–deficit/hyperactivity disorder, behavioral and psychotic symptoms of dementia or Alzheimer's disease, Parkinson's disease psychosis, attention deficit hyperactivity disorder, pulmonary arterial hypertension, and idiopathic pulmonary fibrosis. It is also developing RP1208 that is in pre-clinical development studies for the treatment of depression and obesity. The company is headquartered in Cupertino, California.