Abstract
The effects of combined treatment with low-density lipoprotein (LDL)-apheresis, chenodeoxycholic acid (CDCA) and 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase inhibitor were studied in 2 patients with cerebrotendinous xanthomatosis. Patient 1 was initially treated with LDL-apheresis alone: serum cholestanol levels decreased by 50% after each apheresis, but returned to their initial levels within 2 weeks. After an addition of CDCA administration, the serum cholestanol levels steadily decreased, resulting in slight improvement of neurological symptoms. Patient 2 received a combined treatment with LDL-apheresis, CDCA and HMG-CoA reductase inhibitor. This combination showed less LDL-apheresis-dependent fluctuation and more rapid decrease of serum cholestanol levels than those in Patient 1, resulting in improvement and stabilization of the symptoms. Our results suggest that LDL-apheresis in combination with CDCA and HMG-CoA reductase inhibitor may have beneficial effects and can be one of the treatment options.
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