PSB-069 is primarily utilized in research settings, particularly in the study of adenosine receptors. It acts as a selective antagonist for the A2B adenosine receptor subtype, making it a valuable tool for investigating the role of these receptors in various physiological and pathological processes. Researchers employ PSB-069 to explore its potential in modulating inflammatory responses, as A2B receptors are implicated in immune regulation. Additionally, it is used in studies related to cardiovascular diseases, where adenosine receptor signaling plays a critical role. Its application extends to cancer research, where adenosine receptors are studied for their involvement in tumor growth and metastasis. PSB-069’s specificity helps in understanding receptor mechanisms and developing targeted therapeutic strategies.