Niemann-Pick Disease, Type C1 clinical trials

Combined Intrathecal and Intravenous VTS-270 Therapy for Liver and Neurological Disease Associated With Niemann-Pick Disease, Type C1

Background: For people who have Niemann-Pick disease, type C1 (NPC1), cholesterol and other fats have trouble moving out of liver and other tissue cells. This makes the cells sick. Researchers want to find out if a drug called VTS-270 can help. Objective: To test if VTS-270 is safe and effective in treating chronic liver disease associated with NPC1. Eligibility: People ages 3-60 with NPC1 Design: Participants may be screened by phone or under another protocol. Participants will have visits once a month for 12 months. If they have intrathecal injections, the study may last 15 months or more. The first visit will last about 5 days. Others will last 2-3 days. Participants will get VTS-270 injected into a vein at each visit. They can also choose to have intrathecal injections. These are like spinal taps. Some visits will also include: Physical exam Urine tests Blood tests. A small tube or needle will be inserted into the participants vein to collect blood. The small tube will also be used to give the VTS-270. Hearing tests: For one test, participants will have electrodes taped to their head. These will record brain waves. Breathing tests Ultrasound of abdomen: Sounds waves will take pictures of the participant s body. Chest x-ray: This is a picture of the lungs.