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Filter by:In December 2019 in the city of Wuhan in China, a series of patients with unclear pneumonia was noticed, some of whom have died of it. In virological analyses of samples from the patients' deep respiratory tract, a novel coronavirus was isolated (SARS-CoV-2). The disease spread rapidly in the city of Wuhan at the beginning of 2020 and soon beyond in China and, in the coming weeks, around the world. Initial studies described numerous severe courses, particularly those associated with increased patient age and previous cardiovascular, metabolic and respiratory diseases. A small number of the particularly severely ill patients required not only highly invasive ventilation therapy but also extracorporeal membrane oxygenation (vv-ECMO) to supply the patient's blood with sufficient oxygen. Even under maximum intensive care treatment, a very high mortality rate of approximately 80-100% was observed in this patient group. In addition, high levels of interleukin-6 (IL-6) could be detected in the blood of these severely ill patients, which in turn were associated with poor outcome. From experience in the therapy of severely ill patients with severe infections and respiratory failure, we know that treatment with a CytoSorb® adsorber can lead to a reduction of the circulating pro- and anti-inflammatory cytokines and thus improve the course of the disease and the outcome of the patients. The aim of the study is to investigate the influence of extracorporeal cytokine adsorption on interleukin-6-levels and time to successful ECMO explantation under controlled conditions in patients with particularly severe COVID-19 disease requiring extracorporeal membrane oxygenation.
This phase I/II trial studies the side effects and how well nivolumab, fluorouracil, and interferon alpha 2b work for the treatment of fibrolamellar cancer (liver cell cancer) that cannot be removed by surgery (unresectable). Immunotherapy with monoclonal antibodies, such as nivolumab, may help the body's immune system attack the cancer and may interfere with the ability of tumor cells to grow and spread. Chemotherapy drugs, such as fluorouracil, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Interferon alpha 2b may help stimulate the immune system to fight cancer. Giving nivolumab, fluorouracil, and interferon alpha 2b may work better in treating unresectable fibrolamellar cancer compared to fluorouracil and interferon alpha 2b alone.
This phase I/IIa trial studies the best dose and side effects of rintatolimod and interferon (IFN) alpha-2b in treating cancer patients with COVID-19 infection. Interferon alpha is a protein important for defense against viruses. It activates immune responses that help to clear viral infection. Rintatolimod is double stranded ribonucleic acid (RNA) designed to mimic viral infection by stimulating immune pathways that are normally activated during viral infection. Giving rintatolimod and interferon alpha-2b may activate the immune system to limit the replication and spread of the virus.
Non-invasive mapping using the Cardio Insight system is performed in heart failure patients requiring biventricular pacing to optimize therapy, and understand mechanisms underlying pacing-induced cardiomyopathy and ventricular arrhythmias.
The purpose of this study is to study the role of sympathetic mechanisms involved in chronic regulation of cardiovascular and metabolic abnormalities seen in obesity. The investigators will study the effects chronic sympathetic inhibition on insulin sensitivity, inflammation and endothelial function in obese hypertensive human subjects.
To analyze the hypothetical improvement in anxiety degree, quality of life and fear of cancer in patients diagnosed with a small gastrointestinal subeptithelial tumor when opting for the removal of the lesion.
This is a prospective, descriptive, observational research study designed to observe and document the clinical practice by domain experts, and how the knowledge of new findings that are published in the medical literature affect clinical decision making. The study will evaluate risk factors and co-variants, including genetic variants that are associated with disease progression such as pain, inflammation, organ dysfunction, disability and quality of life.
Aspirin Exacerbated Respiratory Disease (AERD) is a relatively homogeneous disease characterized by adult-onset severe asthma, development of non-cancerous growths in the nasal canal (i.e. nasal polyps) and aspirin allergy. The cause of AERD is unknown, although likely results from environmental insults in combination with genetic susceptibility. AERD disease homogeneity increases the possibility of discovering narrowly-defined genetic contributors, and makes it an ideal population to study the genetic and epigenetic changes that cause asthma. Researchers recently discovered that gene expression of epithelial growth and repair (EGR) genes are substantially decreased in bronchial airway epithelial cells of severe asthmatics compared to less severe asthmatics and healthy controls. This new finding indicates that epithelial integrity and related processes may be of primary importance to the development of severe asthma, and potentially the severe asthma subtype, AERD. This finding was later supported in a subsequent lab model, which showed that blocking a central epithelial repair and differentiation gene, human epidermal growth factor receptor 2 (ERBB2), decreased healing time of bronchial epithelial cells after injury. Thus, the objective of the proposed study is to determine whether EGR gene are also down-regulated in AERD, a homogeneous severe asthma subtype. As an extension, the researchers will also determine whether genetic mutations and/or epigenetic changes relate to and potentially explain this down-regulation of EGR genes. Specifically, the researchers plan to obtain gene expression of freshly brushed nasal airway epithelial cells of 140 AERD patients, 70 non-aspirin sensitive asthma patients, and 35 healthy controls, noting that nasal epithelial gene expression has recently been shown to mirror lung epithelial changes in asthmatic airways. Swabbing the nasal canal for epithelial cells allows to evaluate airway epithelial cell gene expression non-invasively. Our experimental design contrasts AERD gene expression profiles against healthy controls, and determines whether EGR genes are depressed in AERD relative to health controls. As a corollary, the researchers look to discover an AERD-specific gene expression profile which may one-day aid in diagnosis and expand current knowledge of disease mechanisms. As an extension, the researchers will correlate gene expression changes, specifically any finding of down-regulated EGR genes, with methylation changes (i.e. epigenetic changes) and genetic mutations.
Recent progress in immunotherapy (IT) has shifted treatment paradigms for multiple malignancies including breast cancer. It has been shown that levels of certain cytokines were correlated with increased response to immunotherapy in patients with metastatic breast cancer. In this study investigators will perform cytokine profiling among patients diagnosed with metastatic triple-negative breast cancer at different time points during the treatment.
Non-interventional, prospective, multicenter, natural history study of patients with mitochondrial neurogastrointestinal encephalomyopathy (MNGIE)