PNU288034 is primarily utilized in pharmaceutical research and development, particularly in the study of neurological disorders. It has shown potential as a modulator of specific receptors in the brain, making it a candidate for investigating treatments for conditions like anxiety, depression, and cognitive impairments. Its application extends to preclinical studies, where it is used to understand the mechanisms of action and efficacy in animal models. Additionally, it serves as a valuable tool in drug discovery programs aimed at developing novel therapeutic agents targeting the central nervous system.