Active clinical trials for "Autoimmune Diseases"

Autoimmune diseases represent a heterogeneous group of pathologies whose etiopathogenic mechanisms are most often unknown. Autoimmune diseases are the leading cause of morbidity and mortality in young women and autoimmune thyroid diseases are the most common. Viral infections are the main environmental factors suspected of triggering autoimmune diseases. Several viruses are certainly involved, all of which are possibly capable of triggering an autoimmune response. However, the precise identification of the viruses involved remains to be established. It has been shown for the first time by the 2005 PHRC that enteroviral RNA is present in perioperative specimens of thyroid tissue. However, this case-control study did not show any difference between the thyroid group and the group other thyroid pathologies It has been recently published that Parvovirus is possibly involved in thyroiditis: the parvoviral genome is present in the thyroid tissue of Hashimoto thyroiditis operated and more precisely is present within the thyrocytes itself.

Systemic lupus erythematous (SLE), systemic sclerosis (Ssc) and inflammatory myopathy (IM) are rare diseases, whose prevalence is estimated at 43, 15 and 10 cases, respectively, for 100 000 inhabitants in France. These diseases belong to the group of auto-immune diseases and require specialized follow-up in an expert centre. The repercussions of SLE, Ssc and IM on the everyday life of patients are heavy, and notably linked to skin involvement, to diminished functional capacities and psychological problems. The vast majority of these diseases concern middle-aged, professionally-active individuals, for whom the socio-professional repercussions are major and too often neglected. The aim of this study is to analyse the consequences of auto-immune diseases on quality of life. Current quality of life questionnaires are not suitable, and do not reveal the reality of the situation and its different nuances. In this research, the quality of life of patients will be envisaged through their everyday lives. How do these patients construct the social reality of the disease? How do they perceive their health status and their social situation? How do they organize their everyday lives around the disease: work, leisure, relationships with their entourage... ?

DESIGN Observational epidemiological study AIMS - To determine: The proportion of immunosuppressed people who have detectable SARS-CoV-2 antibodies following a primary vaccine course (3 doses), and the demographic, disease, and treatment characteristics that influence antibody status. If the detection of antibodies inversely correlates with subsequent risk of severe acute respiratory syndrome coronavirus-2 infection and/or severity of disease in immunosuppressed people.

The purpose of this study is to assess the diagnostic utility of Sudoscan in assessing small fiber nerve function, specifically those of the sudomotor, in patients with autoimmune disorders (i.e fibromyalgia and rheumatoid arthritis).

Celiac disease (CD) is an immune-based reaction to dietary gluten (storage protein for wheat, barley, and rye) that primarily affects the small intestine in genetically predisposed patients and resolves with exclusion of gluten from the diet. Patients with CD show circulating autoantibodies (anti-transglutaminase, anti-tTG) and suffer from the destruction of a specific tissue cell type (the enterocytes) by CD8+ T cells. Furthermore, other autoimmune diseases have been reported in association to CD in 20-30% of the cases. In the last few year, a new clinical entity emerged, which seems include patients who consider themselves to be suffering from problems caused by wheat and/or gluten ingestion, even though they do not have CD or wheat allergy. This clinical condition has been named "Non-Celiac Gluten Sensitivity" (6), but, in a recent paper, the investigators suggested the term "Non-Celiac Wheat Sensitivity" (NCWS), since, to date, it is not known what component of wheat really causes the symptoms. The doubt areas about the NCWS regard also its pathogenesis as, despite some papers evidenced an intestinal immunologic activation, others excluded it. To explore the presence of autoimmunity in NCWS, the investigators evaluated: a) the frequency of autoimmune diseases and b) the frequency of serum anti-nuclear antibodies (ANA) positivity in newly diagnosed NCWS, compared to CD patients.

This is an observational study designed to help researchers understand the genetics and pathogenesis of type 1 diabetes, and to identify biomarkers for disease and disease complication prediction.

Argonaute (AGO) proteins have been described as the target of antibodies in several autoimmune diseases including Sjögren Syndrome (SS). Sensory neuronopathies (SNN) are disorders affecting neurons in the dorsal root ganglia that may depend on an inflammatory process. However, identifying these cases needs the availability of specific biomarkers. The aim of this study is to test the prevalence of anti-AGO antibodies in a population of patients with Sensory neuronopathies (SNN) with and without associated autoimmune disease in comparison with other peripheral neuropathies to determine how anti-AGO antibodies may help the identification of potentially dysimmune Sensory neuronopathies (SNN).

In this study, Laser Doppler Flowmetry (LDF), Laser Doppler Imaging (LDI), Orthogonal Polarization Spectral Imaging (OPSI), Nail fold video capillaroscopy (NVC) and Optical Coherence Tomography (OCT) will be used to assess differences in microvascular function and density of oral mucosa and skin in subjects with 1) autoimmune diseases with cutaneous involvement: systemic sclerosis (SSc), morphea, dermatomyositis, cutaneous lupus and vasculitis, 2) sickle cell disease (SCD) and 3) chronic graft-versus-host disease (GVHD) compared to healthy subjects. The microvascular changes will be compared to overall treatment response in patients with scleroderma and chronic GVHD as assessments will be made before and after the patients start treatment for their diseases and determine if these imaging techniques provide valuable and reproducible data when assessing a patient's response to treatment for those diseases. In addition, the application of Acoustic Radiation Force Impulse (ARFI) in determining cutaneous thickness in patients with SSc, GVHD and morphea will be evaluated. The investigators hypothesize that the vascular and dermal structures are altered in patients with autoimmune disease, SCD and chronic GVHD. In addition, they hypothesize that imaging modalities such as LDF, LDI, OCT, NVC, OPSI and ARFI can quantify such structural alterations and can be used to 1) detect early disease activity, 2) quantify and assess response to therapy and 3) quantify and correlate with overall disease activity.

The objective of this study is to determine the percentage of children with genetic markers putting them at increased risk of developing type 1 diabetes, and to offer the opportunity for these children to be enrolled into a phase II b primary prevention trial.

Connective tissue diseases (CTD) or systemic autoimmune diseases (SADs) as they are known today are a group of chronic inflammatory conditions with autoimmune aetiology with few treatment options and difficult diagnosis.Brest team contribute to performe a new classification of the following systemic autoimmune diseases in a European Union's Seventh Framework Programme. The aim of this research consiteis to reclassify the individuals affected by SADs into molecular clusters instead of clinical entities through the determination of molecular profiles using several "Omics" techniques.