Adults with type 1 diabetes define what is important to them about stem cell-derived islet cell therapy. This therapy could transform type 1 diabetes by eliminating the need for injected or infused insulin. It would improve the quality of life of patients. Evaluation of these therapies must focus on the voices of people living with type 1 diabetes. It is necessary to explore meaningful results from their perspective. The article was published in Nature Medicine online on February 18, 2026.