Cyclosporine is a widely studied immunosuppressant drug that is commonly used to prevent organ rejection in transplant patients and to treat autoimmune diseases such as psoriasis and rheumatoid arthritis. It works by suppressing the immune system and inhibiting the production of certain cytokines that play a role in inflammation and immune response. Research in the area of cyclosporine focuses on understanding its mechanisms of action, optimizing dosing regimens to minimize side effects, and exploring its potential use in new therapeutic applications. Studies also investigate the long-term effects of cyclosporine treatment on patients, as well as ways to improve patient outcomes and quality of life. Additionally, researchers are exploring new drug delivery systems and alternative immunosuppressant therapies that may offer benefits over cyclosporine.