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Find 346 clinical trials for multiple sclerosis near Chicago, Illinois. Connect with research centers in your area.
Showing 241-260 of 346 trials
NCT01793246
Patients will be enrolled that are undergoing bronchoscopy for diagnosis of discrete lung lesions or for detection of acute rejection following lung transplants. The hypothesis is that bronchoscopy together with probe-based endomicroscopy (pCLE)results in improved and/or incremental diagnostic yield (definitive diagnosis) over conventional bronchoscopy.
NCT02072252
The purpose of this study is to determine whether a mobile phone application ("app") for symptoms of depression and anxiety is practical and acceptable to young men who are attracted to men, and whether it reduces their anxiety and depressive symptoms. The investigators will also evaluate whether reductions in symptoms are maintained over a 10 week follow-up period after young men complete the mobile phone intervention.
NCT00342134
Our goal is the elucidation of the mechanisms of action of autologous hematopoietic stem cell transplant (HSCT) and immunoablation by high-dose cyclophosphamide in multiple sclerosis (MS). The molecular pathogenesis of multiple sclerosis is poorly understood although T-cell mediated immune destruction of myelin is thought to be an important element. We hypothesize, and the results of previous studies suggest, that radical immuno-ablation characterized by a profound T cell depletion can arrest the progression of disease. Patients with MS with poor prognosis based on the rate of progression and refractoriness to approved treatments (interferon-beta, glatiramer acetate) will be enrolled in clinical trials at the collaborating institution (NWU-Dr. R. Burt; Dr. D Kerr, JHU) and will receive either immune ablation with cyclophosphamide and the antibody Campath-1 followed by reconstitution with autologous peripheral blood stem cells, a procedure similar to autologous bone marrow transplantation, or high-dose cyclophosphamide treatment without stem cell rescue. While the overall treatment-related mortality worldwide is approximately 10%, the collaborating institution and investigators have an outstanding safety record in performing the procedure with no fatal adverse events after having transplanted more than 30 transplants with a previously more aggressive regimen than the one that is in use now. The underlying rationale for this treatment is that immuno-ablation could eliminate myelin-reactive T cells which, in disease-susceptible individuals, may have been activated by previous exposure to environmental agents or other acquired mechanisms of immune dysregulation. In the proposed study we plan to address whether HSCT or immunoablation without stem cell rescue act beneficially in MS via the eradication of myelin-reactive T cells and reconstitution of a functional and non-autoimmune immune repertoire. To achieve this goal, we will compare peripheral blood T cell reactivities to myelin antigens before and after the treatment in 34 patients with MS. In parallel, to identify potential disease-mediating cells that do not recognize these myelin antigens, we will search for clonally expanded cells in the blood of MS patients before treatment employing molecular analysis of T cell receptor repertoire. Expanded T cell clones will be tracked during post-transplant follow-up of patients. If the eradication of certain clonotypes resulting from immuno-ablation correlates with disease remission, we will attempt to isolate these cells in culture from pre-treatment samples and determine their specificity using combinatorial peptide libraries. We would use the same approach in case of reappearance or new clonal expansions concomitant to disease relapses. We will combine these studies with a broader, unbiased approach that employs microarray technology to identify potential changes in gene expression profiles. This approach may also lead to the identification of novel therapeutic targets for pharmacological treatment.