Yes, there is a cure for classic maple syrup urine disease. Treatment typically involves a combination of dietary management, medications, and supplements. Dietary management involves avoiding foods that are high in branched-chain amino acids, such as dairy products, eggs, and certain meats. Medications such as carnitine and biotin may be prescribed to help the body break down and use the branched-chain amino acids. Supplements such as thiamine and vitamin B6 may also be recommended.