PI-3065 is primarily used in research settings as a selective inhibitor of phosphoinositide 3-kinase (PI3K), specifically targeting the PI3Kγ isoform. This compound is valuable in studying signaling pathways involved in inflammation and immune responses. Due to its inhibitory action, it has been applied in preclinical models to investigate conditions such as autoimmune diseases, chronic inflammation, and certain cancers where PI3K signaling is dysregulated. Its selectivity makes it a useful tool for dissecting the role of PI3Kγ without significant off-target effects on other PI3K isoforms. PI-3065 is not used clinically but supports the development of targeted therapies by helping validate PI3Kγ as a therapeutic target.