WAY-272077 is primarily used in scientific research to study the ghrelin receptor (Growth Hormone Secretagogue Receptor, GHS-R1a). It acts as a potent and selective agonist, making it a valuable tool for investigating the physiological roles of ghrelin signaling, including appetite regulation, energy balance, and growth hormone release. Researchers use this compound to explore potential therapeutic pathways for conditions such as cachexia, obesity, and metabolic disorders. Due to its selectivity, it helps isolate receptor-specific effects without significant off-target activity, supporting clearer interpretation of experimental results in neuroendocrinology and pharmacology studies.