Localized Analysis of Normalized Distance From Scalp to Cortex and Personalized Evaluation (LANDSCAPE)...
AgingDementia Alzheimers3 moreScalp to cortex distance (SCD), as a key technological parameter of brain stimulation, has been highlighted in the guidelines of non-invasive brain stimulation. However, in the context of age-related brain changes, the region-specific SCD and its impact on stimulation-induced electric field in different types of neurodegenerative diseases remain unclear.
Investigating Speech Sequencing in Neurotypical Speakers and Persons With Disordered Speech
StutteringDevelopmental2 morePersistent developmental stuttering affects more than three million people in the United States, and it can have profound adverse effects on quality of life. Despite its prevalence and negative impact, stuttering has resisted explanation and effective treatment, due in large part to a poor understanding of the neural processing impairments underlying the disorder. The overall goal of this study is to improve understanding of the brain mechanisms involved in speech motor planning and how these are disrupted in neurogenic speech disorders, like stuttering. The investigators will do this through an integrated combination of experiments that involve speech production, functional MRI, and non-invasive brain stimulation. The study is designed to test hypotheses regarding the brain processes involved in learning and initiating new speech sound sequences and how those processes compare in persons with persistent developmental stuttering and those with typical speech development. These processes will be studied in both adults and children. Additionally, these processes will be investigated in patients with neurodegenerative speech disorders (primary progressive aphasia) to further inform the investigators understanding of the neural mechanisms that support speech motor sequence learning. Together these experiments will result in an improved account of the brain mechanisms underlying speech production in fluent speakers and individuals who stutter, thereby paving the way for the development of new therapies and technologies for addressing this disorder.
Open-label Study of VTS-270 in Participants With Neurologic Manifestations of Niemann-Pick Type...
Niemann-Pick DiseaseType CThis is a multicenter, multinational, open-label study of VTS-270 to evaluate the long-term safety and tolerability of VTS-270 (2-hydroxypropyl-β-cyclodextrin) in participants transitioning from Study VTS301 with Neurologic Manifestations of Niemann-Pick Type C1 (NPC1) Disease.
Hematopoietic Stem Cell Transplantation (HCT) for Inborn Errors of Metabolism
Hurler's SyndromeMaroteaux-Lamy Syndrome10 moreThe primary objective of this clinical trial is to evaluate the ability to achieve and sustain donor engraftment in patients with lysosomal and peroxisomal inborn errors of metabolism undergoing hematopoietic stem cell transplantation (HCT).
Study of WVE-004 in Patients With C9orf72-associated Amyotrophic Lateral Sclerosis (ALS) or Frontotemporal...
ALSFTDThis is a Phase 1b/2a multicenter, randomized, double-blind, placebo-controlled study to evaluate the safety, tolerability, PK, and PD of intrathecal (IT) WVE-004 in adult patients with C9orf72-associated ALS or FTD. To participate in the study, patients must have a documented mutation (GGGGCC [G4C2] repeat expansion) in the first intronic region of the C9orf72 gene and be diagnosed with ALS or FTD.
TRIAL READY (Clinical Trial Readiness)
Amyotrophic Lateral SclerosisFrontotemporal Dementia3 moreThis study, being conducted under the auspice of the CReATe Consortium, will enroll patients with ALS and related disorders as well as healthy controls, with the goal of facilitating clinical validation of leading biological-fluid based biomarker candidates that may aid therapy development for patients with ALS and related disorders.
Combined Intrathecal and Intravenous VTS-270 Therapy for Liver and Neurological Disease Associated...
Niemann-Pick DiseaseType C1Background: 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.
Phase I/II Pilot Study of Mixed Chimerism to Treat Inherited Metabolic Disorders
Hurler Syndrome (MPS I)Hurler-Scheie Syndrome10 moreThe goal of this research study is to establish chimerism and avoid graft-versus-host-disease (GVHD) in patients with inherited metabolic disorders.
Open-label Extension (OLE) Study of WVE-004 in Patients With C9orf72-associated Amyotrophic Lateral...
ALSFTDThis is an OLE study conducted to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), and clinical effects of WVE-004 in adult patients with ALS, FTD, or mixed ALS/FTD phenotype with a documented mutation in the C9orf72 gene. To participate in the study, patients must have successfully completed Phase 1b/2a WVE-004-001 study.
Adrabetadex to Treat Niemann-Pick Type C1 (NPC1) Disease
Niemann-Pick DiseaseType CDue to different study designs, the sponsor separated Part C into this separate registration (NCT04958642), leaving Parts A/B in NCT02534844. The trial's final results for the primary outcome measure of Adverse Events (AE) will be reported here. This study is to evaluate how safe and effective adrabetadex is for participants with Niemann-Pick Type C1 (NPC1) disease who experience neurologic symptoms (listed under Keywords). In Parts A/B (NCT02534844), two out of every 3 participants will receive the study drug. The third participant will receive 1 to 2 small needle pricks at the location where the IT injection is normally made (sham control). In Part C, all participants will receive study drug.