<s>[INST] <<SYS>> This is a medical question of type : treatment <</SYS>> What are the treatments for Metachromatic Leukodystrophy ? [/INST] There is no cure for MLD. Bone marrow transplantation may delay progression of the disease in some infantile-onset cases. Other treatment is symptomatic and supportive. Considerable progress has been made with regard to gene therapy in an animal model of MLD and in clinical trials. </s>