Nevertheless, other clinical studies are in progress to investigate the role of leptin in MS and the response to treatment or nutritional intervention: EudraCT Number: 2013-004450-21; ClinicalTrials.gov: NCT02064816, NCT02411838, NCT03539094, NCT04593082, NCT02647502, NCT05327322, and NCT01067573. Here, LEP is linked to myeloid sarcoma.