Methods are provided for treating type 1 diabetes mellitus (T1Dm) using helminthic parasite preparations. Diabetes is a serious, chronic disease affecting 246 million people worldwide. Current estimates show that 23.6 million people in the United States, or 7.8% of the population, have the disease, including 5.7 million in whom it is undiagnosed. Diabetes affects every organ system of the body. Both major types of diabetes, type I and type 2, can lead to serious complications and premature death.Linvention concerne des procédés pour traiter un diabète sucré de type 1 (T1DM) à laide de préparations de parasites helminthiques.