 Sickle Cell Disease is a serious disease that is life-threatening for patients being homozygous for the SS form or heterozygous for the SC or bthal forms. The CHU Brugmann hospital currently regularly treats about 70 homozygous adult patients and this number is in constant augmentation. The age average of the patients is below 30. The hospital developed a close collaboration with the Queen Fabiola Kids University Hospital to optimize the transition of young sickle cell patients from the pediatric to the adult network. 