| Completed | 2 | 114 | Europe | Anti-Human Thymocyte Immunoglobulin, Rabbit, ATG | Universitaire Ziekenhuizen KU Leuven | Diabetes Mellitus, Type 1 | 12/24 | 12/24 | | |
| Recruiting | N/A | 90 | Europe | | University of Oxford, University of Bristol, Yale University, Oxford University Hospitals NHS Trust, Nottingham University Hospitals NHS Trust, Cardiff and Vale University Health Board, Royal London Hospital, Barts Health NHS Trust | Type 1 Diabetes (T1D) | 08/25 | 08/25 | | |
| Not yet recruiting | N/A | 160 | Europe | YESS! game, Snake '97, control game, Transition-toolkit | dr. Laura C. G. de Graaff-Herder | Congenital Adrenal Hyperplasia, Hypogonadotropic Hypogonadism, Growth Hormone Deficiency, Combined Pituitary Hormone Deficiency, Turner Syndrome, Klinefelter Syndrome, Addison's Disease, Androgen Insensitivity Syndrome, Thyroid Dysgenesis | 12/26 | 12/26 | | |