YM-90709 is primarily utilized in research settings, particularly in the study of inflammatory and autoimmune diseases. It functions as a selective inhibitor of matrix metalloproteinases (MMPs), which are enzymes involved in tissue remodeling and inflammatory processes. By inhibiting these enzymes, YM-90709 helps researchers understand the role of MMPs in disease progression and explore potential therapeutic strategies. Its application is significant in developing treatments for conditions like rheumatoid arthritis, where MMPs contribute to joint destruction. Additionally, it is used in preclinical studies to evaluate its efficacy and safety as a potential drug candidate.