IL-15-IN-1 is primarily utilized in research settings to study the role of interleukin-15 (IL-15) in various biological processes. It is employed as a selective inhibitor to block IL-15 signaling pathways, which are crucial in immune system regulation. Researchers use this compound to investigate its potential in modulating immune responses, particularly in autoimmune diseases and cancer immunotherapy. By inhibiting IL-15, scientists can better understand its involvement in T cell and natural killer (NK) cell activation, survival, and proliferation. This knowledge aids in the development of targeted therapies for conditions where IL-15 signaling is dysregulated. Additionally, IL-15-IN-1 serves as a valuable tool in preclinical studies to evaluate the efficacy of IL-15 inhibition in reducing inflammation or tumor growth. Its application extends to exploring its effects on chronic inflammatory disorders and its potential as a therapeutic agent in immune-related diseases.