The International Rett Syndrome Foundation (IRSF) is the leading research and empowerment organization for Rett syndrome. Investing over $51 million to in research which has advanced therapeutics to clinical trials, including Rett syndrome’s first-ever phase 3 clinical trial. IRSF is reaching its vision to create a world without Rett syndrome by developing a robust pipeline of treatments and empowering families with information, knowledge and connectivity.