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This study includes healthy adults between 18-70 years old who are either non-smokers or cigarette smokers interested in quitting. The purpose of this study is to learn more about how people respond to stress and to taking one dose of a widely and safely used drug called naltrexone as well as to learn about how these responses relate to whether or not someone smokes, smoking cessation, and smoking relapse.

This is a prospective study aimed at quantifying walking and balance in normal pressure hydrocephalus (NPH) patients in the clinical setting. To accomplish this, we will use a portable motion capture system that is widely used to study biomechanics in humans. Once quantified, we want to test the effects of ventriculoperitoneal shunt (VPS) on walking and balance among NPH patients. Thus, our objectives are: Aim 1: We will demonstrate the use of quantitative kinematic data on NPH patients pre-lumbar drain, post-lumbar drain and post-VPS in order to assess the predictive value of CSF removal on gait and balance. Aim 2: We will demonstrate the use of objective, neuropsychological data on NPH patients pre-lumbar drain, post-lumbar drain and post-VPS in order to assess the predictive value of CSF removal on cognition 3. We will demonstrate the use of objective, physical therapy data on NPH patients pre-lumbar drain, post-lumbar drain and post-VPS in order to assess the predictive value of CSF removal on therapeutic intervention in terms of walking and balance measures.

The effect of enzyme replacement therapy on how well your kidneys are responding to enzyme replacement therapy (ERT) is not clear from blood and urine tests alone, but may be more clear in comparisons of kidney biopsies performed before and some time after ERT has been initiated, and this is what we are focusing our study efforts on. The purpose of this study is to obtain your permission to allow us to study the kidney biopsy tissues (collected for medical reasons) after the regular routine studies have been completed. Through our special research measurements and additional study, we hope to be able to see and measure very specific changes in the kidney tissues from Fabry patients taking ERT. We also hope that through these studies of what happens within the kidney before and after starting ERT, we are able to reveal valuable information about the importance of factors like your age that you started ERT, the amount or dosage of ERT, and any differences seen between males and females.

This is an observational registry database for adult patients diagnosed with degenerative spine disorders, which aims to add information to the understanding of the disease management of this spine diseases. By creating this registry, a more complete picture of degenerative spine disorders - including treatment practices - will be established, by collecting information about the health status of patients across several hospitals in several countries. Research of this kind will help future patients by providing doctors with information about degenerative spine disorders, and about patients' treatment outcomes. Data from this registry may be used to generate descriptive statistics on demographics, and clinical characteristics, including co-morbidities, treatment patterns and adverse outcomes (resulting from treatment or disease), as well as patients' quality of life measurements. Condition: Patients with a degenerative spine disorder Intervention/procedure investigated: No specific treatment required. Study design: Prospective case series

This is a multi-center, prospective, observational cohort registry study looking at kids and their relatives with Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT).

The International Registry of Aortic Dissection (IRAD) was created in 1996 by cardiovascular specialists committed to expanding current knowledge of aortic dissection with the goal of improving patient outcomes. This registry study uses a standardized form to capture data from consecutive patients with aortic dissection at participating hospitals.

We are studying the brain patterns of people who have anorexia nervosa and those who don't have anorexia nervosa. We will look at MRIs, behavioral measures, and questionnaires to see if we can identify the brain activity associated with disgust. There will be a follow-up at 6 and 12 months.

This is a prospective, non-interventional, research study for patients with IBD under the care of a certified gastroenterologist. The primary objective for this registry is to prospectively study the natural history of IBD, the prevalence and incidence of comorbidities, targeted adverse events, and more, via questionnaires.

The primary objective of the study is to assess the efficacy of patient controlled sedation (Self-management of sedative therapy) using dexmedetomidine to reduce anxiety, delirium incidence and duration of mechanical ventilation compared to usual sedation practices in mechanically ventilated subjects.

The purpose of this research project is to develop a registry and database of families with neurodevelopmental disorders.

Background: Distal radius fractures (DRF) account for nearly one-fifth of all fractures in older adults, and women experience them 5x as often as men. Most DRF occur with low impact injuries to the wrist with an outstretched hand, and are often managed via closed treatment and cast immobilization. Women sustaining a DRF are at risk for upper limb immobility, sensorimotor changes, edema and type I complex regional pain syndrome (CRPS). Since CRPS onset is likely influenced by alterations in the brain’s somatosensory region, a rehabilitation intervention, Graded Motor Imagery (GMI), aims to restore cortical representation, including sensory and motor function, of the affected limb. To date, there are no studies on the use of GMI in reducing risk of or preventing the onset of type I CRPS in women with DRF treated with cast immobilization. Due to a higher likelihood of women with this injury developing type I CRPS, it is important to early intervention is needed. Methods/Design: This article describes a six-week randomized comparative effectiveness trial, where the outcomes of a modified GMI program (mGMI) + standard of care (SOC) group (n=33) are compared to a SOC only control group (n=33). Immediately following cast immobilization, both groups participate in four 1-hour clinic-based sessions, and a home program for 10 minutes three times daily until cast removal. Blinded assessments occur within 1 week of cast immobilization (baseline), at three weeks post cast immbolization, cast removal, and at three months post cast removal. The primary outcomes are patient reported wrist/hand function and symptomology on the Patient Rated Wristand Hand Evaluation, McGill Pain Questionnaire, and Budapest CRPS Criteria. The secondary outcomes are grip strength, active range of motion as per goniometry, circumferential edema measurements, and joint position sense. Discussion: This study will investigate the early effects of mGMI + SOC hand therapy compared to SOC alone. We intend to investigate whether an intervention, specifically mGMI, used to treat preexisiting pain and motor dysfunction might also be used to mitigate these problems prior to their onset. If positive effects are observed, mGMI + SOC may be considered for incorporation into early rehabilitation program.

The Syner-G regimen research study seeks to evaluate the use of a combination of a medication called miglustat and a ketogenic diet for treatment of the gangliosidoses to learn if this combination will provide improved clinical outcomes compared to what we currently know about the natural course of the disease.

This study's primary aims are to define and characterize disease progression for the infantile and juvenile forms of the gangliosidoses, and the late-onset forms of gangliosidosis, including their heterogeneity; and to observe treatment outcomes for any treatments tried. The secondary aims of this study are to understand the neurological involvement in late-onset gangliosidosis; and to collect data on disease progression that can be used for creation of an objective disease stage and severity index.