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Completed
Comparative Efficacy of Phenylbutyrate (PBA) vs. Benzoate in Urea Cycle Disorders (External Link)
The investigators will study and compare how effectively sodium phenylbutyrate, sodium benzoate, and a combination of the two, help excrete nitrogen in healthy volunteers. Subject participation will require three, separate, …
Baylor Role:
Lead Sponsor
Completed
Nitric Oxide Supplementation in Argininosuccinic Aciduria (External Link)
The investigators will perform a double blind, randomized, placebo-controlled, crossover study of NO supplementation in ASA patients assessing endothelial function and blood pressure as primary endpoints, and markers of nitric …
Baylor Role:
Lead Sponsor
Completed
Continuous Tremor Assessment During Daily Activities (External Link)
The specific aim of this study is to evaluate if tremor severity and quality of life can be improved more using continuous home monitoring along with traditional assessments versus traditional …
Baylor Role:
Collaborator
Completed
One-Day Intervention for Depression and Impairment in Migraine Patients (External Link)
Adults with comorbid depression and migraine will be randomized to a 1-day (6-hour) workshop of Acceptance and Commitment Training + Migraine Education (ACT-ME) or Migraine Education only (MEO). The intervention …
Baylor Role:
Lead Sponsor
Completed
Nitric Oxide Flux and Ureagenesis in Argininosuccinate Synthetase Deficiency (ASSD)(Citrullinemia I) (External Link)
This is an interventional, case control study to investigate the production of nitric oxide in patients with citrullinemia type I. Through the infusion of isotopes [15N2-ureido] arginine, [5-13C,4, 4, 5, …
Baylor Role:
Lead Sponsor
Completed
Neural and Behavioral Sequelae of Blast-Related Traumatic Brain Injury (External Link)
Traumatic brain injuries (TBI) are a common occurrence from roadside blasts of improvised explosive devices (IEDs). Like civilian TBI, blast-related TBI can result from mechanical forces in which objects in …
Baylor Role:
Lead Sponsor
Completed
Adaptive Portable Essential Tremor Monitor (External Link)
The purpose of this study is to evaluate the utility of a portable motion sensor-based system designed to monitor essential tremor (ET) to better prescribe therapy to minimize symptoms and …
Baylor Role:
Collaborator
Completed
Sleep Abnormalities in Rare Genetic Disorders: AS, RTT, and PW (External Link)
Subjects with AS, RTT or PWS and normal siblings (controls) will be recruited for study participation. Subjects will be recruited from the Rare Disease Clinical Research Network (RDCRN) consortium registries …
Baylor Role:
Lead Sponsor
Completed
MER Versus MRI Guidance DBS in Parkinson's Disease (External Link)
Patients who have been randomized into Group 1 will undergo DBS implantation while awake. On the morning of surgery, the patient will undergo placement of the stereotactic head frame under …
Baylor Role:
Lead Sponsor
Completed
A Trial of Levodopa in Angelman Syndrome (External Link)
Levodopa is a prodrug that "delivers" dopamine to the brain. It is usually given with carbidopa, a peripheral decarboxylase inhibitor, to increase the bioavailability of levodopa. Animal studies have suggested …
Baylor Role:
Collaborator