Endothelial Microparticles in Systemic Sclerosis Pulmonary Hypertension
Systemic SclerosisPulmonary Hypertension1 moreSystemic sclerosis (SSc, also known as scleroderma) is a disease characterized by fibrosis of the skin and organs, inflammation, and an abnormal endothelial cell lining inside of vessels. A common and deadly complication of SSc is pulmonary hypertension (PH), which is an abnormal elevation in the blood pressure within the lung blood vessels. Early identification and treatment of PH is important in SSc, and no clinical factors can predict which patients will develop PH with acceptable accuracy. A potential marker of PH in SSc is the presence of increased amounts of endothelial microparticles (EMPs), which are substances circulating in the blood that were released from damaged vessel wall endothelial lining. A main goal of this study is to investigate if there is a difference in EMP levels between SSc patients with and without PH. The investigators will also use human endothelial cells in a lab environment to test whether these EMPs isolated from SSc patients are actually causing damage to the vessel lining. Lastly, the investigators will investigate the potential benefit of a medication used after transplant, mycophenolate mofetil (MMF). This will be done by causing damage to isolated human endothelial cells and treating them with MMF. The main goal of this portion of our study is to see if EMP levels are reduced when cells are treated with MMF. Overall, the investigators anticipate the following outcomes of this study: 1) use EMP levels to differentiation patients with SSc who have PH from those without PH, 2) use EMPs to understand how endothelial damage occurs in SSc, and 3) use EMPs to help us develop new treatments for patients with vascular diseases.
The CARRA Registry
Juvenile Idiopathic ArthritisSystemic Lupus Erythematosus11 moreThis CARRA Registry study will create a foundational database for rheumatic diseases of childhood using a novel informatics infrastructure developed as part of the larger clinical project. The creation of a CARRA-wide informatics infrastructure will enable efficient, observational, disease-related data capture across all CARRA sites for pediatric rheumatic diseases. The CARRA Registry study will demonstrate the feasibility of expanding to more data intensive registries for observational studies, comparative effectiveness research, pharmaceutical clinical trials and translational research.
Investigation of Coronary and Pulmonary Circulatory Parameters in Systemic Sclerosis
Systemic SclerosisAim: Determination of frequency and nature of coronary involvement (including epicardial and microvascular) among scleroderma patients referred for right heart catheterization.
Suction Based Characterization of Healthy and Diseased Skin
Systemic SclerosisThe mechanical properties of healthy and SSc-diseased skin will be assessed by suction based measurements. The negative pressure needed to gain a certain tissue elevation, tissue elevation in response to a certain negative pressure as well as the time of retraction of tissue will be recorded and analyzed. Mesurments will be done with the new developed Aspiration Device_Nimble and with the CE-certified Cutometer MPA 580.
CompRehensive Phenotypic Characterization of Patients With Scleroderma-Associated ILD and PH
Interstitial Lung DiseaseScleroderma1 morePatients with interstitial lung disease (ILD) and scleroderma who develop pulmonary hypertension (PH) do not fit well into the current classification system and treatments for pulmonary hypertension. This study aims to better understand patients with ILD-PH and scleroderma and to determine if treatment with Macitentan is beneficial.
The Influence of Extracorporeal Photopheresis on Skin Sclerosis
SclerodermaSystemic4 moreExtracorporeal photopheresis (ECP), also known as extracorporeal photoimmunotherapy or photochemotherapy, is a leukapheresis-based therapy that has been in clinical use for over three decades after receiving FDA approval in 1988. Extracorporeal photopheresis was initially used for the treatment of T-cell lymphoma. Since its introduction, indications for initiating ECP were continuously extended to the treatment of Graft-versus-Host Disease (GvHD), systemic sclerosis, and in the field of solid organ transplantation. There is also evidence supporting the use of ECP in generalized morphea, a form of scleroderma limited to the skin, and in eosinophilic fasciitis, which is a rare, localized fibrosing disorder of the fascia. Concluding the results of the published studies, there is evidence that ECP has a positive effect on fibrosing disorders of the skin. Furthermore, in clinical practice, it has been observed that patients with systemic sclerosis, who undergo ECP treatment, show improvement of the skin lesions or a deceleration in the formation progress of such lesions during the therapy. Same findings can be observed in patients with sclerotic skin lesions of the skin, for example in the context of a GvHD. There are no clinical studies so far that describe these processes using objective measuring methods. Furthermore, the mechanism of action of ECP in systemic sclerosis and other fibrosing disorders with skin manifestations, has not yet been conclusively clarified. Serological markers for monitoring the progress of the therapy and determining the prognosis are also missing. Thus, a consensus regarding the frequency and duration of ECP for the therapy of systemic scleroderma or sclerotic diseases has not yet been reached. This study aims at evaluating the influence of Extracorporeal Photopheresis on the quality and functionality of sclerotic skin lesions assessed by several objective methods. Furthermore, potential biomarkers, which are being investigated in current studies, are to be determined in order to evaluate the influence of ECP on those biomarkers and better understand the mechanism of action of ECP on systemic sclerosis and fibrosing disorders involving the skin.
Effects of Fibromyalgia Syndrome in Patients With Systemic Sclerosis
Systemic SclerosisFibromyalgiaSystemic sclerosis [SSc]; is a multisystem disease characterized by immune activation, microvascular disease and fibroblast dysfunction, which is thought to occur as a result of complex and not fully understood interaction between genetic and environmental factors, leading to fibrotic changes in the skin and some internal organs. It is characterized by the deposition of collagen and other matrix components in the skin and some internal organs. It has been shown by evaluating the health assessment questionnaire that it causes disability with increasing frequency over time. Although pain cannot be localized too well to be attributed to a particular anatomical area, there are several musculoskeletal pain syndromes that can be detected in patients with systemic sclerosis. These are tendonitis, polyarthritis, rheumatoid arthritis, bursitis and fibromyalgia. While there are several studies on others, the relationship between fibromyalgia syndrome and SSc is not known clearly. As with other connective tissue diseases, fibromyalgia is not considered to be rare in SSc.
Functional Luminal Imaging Probe (FLIP) Topography Use in Patients With Scleroderma and Trouble...
SclerodermaDysphagia1 moreFLIP topography has been FDA cleared to evaluate a variety of esophageal conditions, but has never been evaluated in patients with scleroderma. The investigators hope to evaluate this technology in patients who have scleroderma and various esophageal symptoms, and compare to non-scleroderma patients.
Evaluating Pulmonary Arterial Hypertension in Patients With Systemic Sclerosis
Systemic SclerosisPulmonary HypertensionDoppler signals can be recorded from the lung parenchyma by means of a pulsed Doppler ultrasound system incorporating a special signal processing package- the Transthoracic Parametric Doppler (TPD) (Echosense Ltd., Haifa, Israel). Systemic sclerosis patients often develop pulmonary vascular disease leading to pulmonary hypertension. The TPD system may provide important insight into pulmonary blood vessels characteristics by the LDS (Lung Doppler Signals) signals that are related to pulmonary hypertension. The TPD performance in detecting PAH in SSc patients will be assessed in the study.
Evaluation of Pulmonary Doppler Signals in Patients With Systemic Sclerosis(SSc)
Systemic SclerosisPulmonary HypertensionDoppler signals can be recorded from the lung parenchyma by means of a pulsed Doppler ultrasound system incorporating a special signal processing package- the Transthoracic Parametric Doppler (TPD) (Echosense Ltd., Haifa, Israel). Systemic sclerosis patients often develop pulmonary vascular disease leading to pulmonary hypertension. The TPD system may provide important insight into pulmonary blood vessels characteristics by the LDS (Lung Doppler Signals) signals that are related to pulmonary hypertension. The TPD performance in detecting PAH in SSc patients will be assessed in the study.