Clinical Trials About "Maybe Innate" RSS

16:15 EDT 15th September 2019 | BioPortfolio

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Showing "Maybe Innate" Clinical Trials 1–25 of 230


In Vivo Effects of C1-Esterase Inhibitor on the Innate Immune Response During Human Endotoxemia

Excessive inflammation is associated with tissue damage caused by over-activation of the innate immune system. This can range from mild disease to extreme conditions such as multiple organ failure (MOF). In marked contrast to adaptive immunity which is very sensitive to immune modulators such as steroids, the innate immune system cannot be sufficiently targeted by currently available anti-inflammatory drugs. We hypothesize that C1-esterase inhibitor can modulate the innate imm...

Testing if BCG (Bacille Calmette-Guérin) Vaccination Can Induce Innate Immune Training in Adult People Above 50 Years of Age in Guinea-Bissau

The propose is to test innate immune training in a pilot study of 40 adults >50 years of age people in Guinea-Bissau. The hypothesis is that BCG vaccination will be associated with increased innate immune training measured as increased cytokine release after in vitro Peripheral Blood Mononuclear Cells (PBMC) stimulation with e.g. Mycobacterium Tuberculosis, Staphylococcus Aureus, Candida Albicans and Streptococcus Pneumoniae.

The Effect of Statin Treatment on Trained Innate Immunity

The innate immune system plays a pivotal role in the development and progression of atherosclerosis. Recently, it was reported that monocytes can develop a long-lasting immunological memory after stimulation with various microorganisms, which has been termed 'trained innate immunity'. This memory is induced by epigenetic reprogramming, in particular trimethylation of lysine 4 at histone 3 (H3K4me3). In this study, the investigators aim to investigate the immunophenotype of cir...

Innate Immunity in Eosinophilic Esophagitis

The main aim of this study is to asses the expression of innate lymphoid cells in the esophageal mucosa of children with eosinophilic esophagitis (EoE) and in control subjects

Role of Circulating Innate Lymphoid Cells in Allergic Disorders

This study evaluates blood type 2 innate lymphoid cells in participants with mild to moderate asthma and participants with chronic urticaria as compared to healthy adult participants.

Microbiota and Immune microEnvironment in Pouchitis

Microbiota and innate immunity in pouchitis: predisposing factors and modulation of the inflammation with probiotics. Around 20-25% of ulcerative colitis patients undergo restorative proctocolectomy with ileal pouch anal anastomosis. Pouchitis is an idiopathic inflammatory disease that may occur in ileal pouches. In our recent studies, we showed altered microbiota and innate immunity relationships in pouchitis. We plain to perform a double-blind, placebo-controlled trial ...

Evaluation of the Association of Polymorphisms in the Innate Immune System With the Risk for Cryptococcus Neoformans Infection in Patients Not Infected With HIV and Complications Associated With Cryptococcus Neoformans Infection

Innate immunity plays an important role for fungal recognition and initiation of fungicidal activity. We hypothesize that subtle differences in different molecules of innate immunity may contribute to either the predisposition or clinical course of infection with Cryptococcus neoformans. To test this hypothesis, we propose to analyze the allelic frequencies of 15 different genes (mannose binding lectin, Fc-gamma receptor IIa and IIb, Fc-gamma receptors IIIa and IIIb, myeloper...

Activation Innate Immune System in Type 1 Diabetes

Hyperglycemia is a well-known cardiovascular risk factor. It has also been shown that episodes of hyperglycemia increase the risk for cardiovascular diseases despite return to normoglycemia, a phenomenon termed 'glycemic or metabolic memory'. The molecular mechanism underlying this phenomenon remains unclear. Cardiovascular events, such as myocardial infarction and stroke are caused by atherosclerosis, which is characterized by low grade inflammation of the vascular wall, ...

Evaluation of the Association of Polymorphisms in the Innate Immune System With the Risk for Blastomycosis Dermatitidis Infection in Patients Not Infected With HIV and Complications Associated With Blastomycosis Dermatitidis Infection

Innate immunity plays an important role for fungal recognition and initiation of fungicidal activity. We hypothesize that subtle differences in different molecules of innate immunity may contribute to either the predisposition or clinical course of infection with Blastomycosis dermatitidis. To test this hypothesis, we propose to analyze the allelic frequencies of 15 different genes (mannose binding lectin, Fc-gamma receptor IIa and IIb, Fc-gamma receptors IIIa and IIIb, myelo...

Innate Immune Responses in Chronic Obstructive Pulmonary Disease (COPD) Patients

We hypothesize that ongoing and more severe airway inflammation in COPD may result from the impairment in activation of innate immune response

Amyotrophic Lateral Sclerosis and the Innate Immune System

Amyotrophic Lateral Sclerosis (ALS) is an aggressive, deadly disease. ALS leads to destruction of the neural pathways which control the conscious movements of the muscles. This destruction leads to muscular dystrophy with increasing difficulties in moving, breathing, swallowing, and speaking. In the last phase of an ALS patient's life it is necessary with respiratory therapy in order to breathe. In average an ALS patient lives 3 years from the time he or she gets the diagnose. ...

INF-α Innate Immune Response to Gliadin

Background & Aims The enteropathy in Celiac Disease (CD) is due the adaptive and to the innate immune response to gliadin peptides. Gliadin peptide P31-43 activates innate immune response and interferes with vesicular trafficking. Type 1 interferons (INFs) and viral infections play a role in CD pathogenesis. In this paper investigators investigated the role of P31-43 in the activation of the INF-α pathway. Methods Small intestinal biopsies of CD patients both with active dise...

The Role of Stem Cells on Immune Cells in the Development of Cardiovascular Diseases

An observational pilot proof-of-principle study. 15 patients with significant coronary artery disease and 15 matched controls. To investigate whether long-term activation of the innate immune system, named 'trained innate immunity', occurs at the level of the bone marrow progenitor cells in patients with significant coronary artery disease and whether this correlates with the proinflammatory phenotype of monocytes.

Study of the Role of Innate Lymphoid Cells and Natural Killer Cells in Immune Activation of Vitiligo - INNATE Vitiligo

The cohort included only major patients with non-segmental vitiligo and no other autoimmune or inflammatory associated diseases (except thyroiditis). Control subjects should have no autoimmune or inflammatory diseases. Patients and controls should not take treatment with corticosteroids or other potentially immunomodulatory therapies. Patients and controls are recruited in the Dermatology Department of the University Hospital of Nice and the Hospital of Fréjus. The investigato...

VOR Suppression in Non-Gymnast Adults

The researchers hypothesize that there is a correlation between Vestibulo-ocular reflex (VOR) performance and innate athletic skill level. A similar study was conducted in female, young adult gymnasts where a correlation was shown between VOR performance and gymnastic skill level. However, the results from this study did not suggest that VOR differences develop as a result of practice; rather that the differences in VOR may simply allow some individuals to become better perform...

Impact of Increased Immunoglobulin E to Anti-herpes Simplex Virus -1 Innate Immune Responses in Atopic Dermatitis Patients With Eczema Herpeticum

This study investigates whether blood monocytes' surface bound- immunoglobulin E affects the innate immune responses against herpes simplex viruses in atopic dermatitis patients with eczema herpeticum.

Type 2 Innate Lymphoid Cells in Severe Pediatric Asthma

The main objectives of this study are to show that the number of type 2 innate lymphoid cells (ILC2) of the bronchial mucosa and in bronchoalveolar lavages (BAL) are higher in asthmatic children than in non-asthmatics, that the number of ILC2 of the bronchial mucosa and in BAL correlate with the number of bronchial and BAL eosinophils, and to determine whether there is a correlation between plasma and bronchial and BAL ILC2.

Innate Immune Response of Blood Cells in Patients With Pneumonia

Pulmonary bacterial infections such as exacerbations of chronic bronchitis, nosocomial and community-acquired pneumonia represent a major public health issue. Antibiotics have shown their efficacy by direct antimicrobial activity and their limit particularly in case of multidrug-resistant microorganisms or in treating patients with aggravating pathologies. Innate immunity could be an alternative or complementary therapeutic pathway. Innate immunity receptors bind universal and ...

Innate Immune Response During Community Acquired Pneumonia

Community acquired pneumonia (CAP) is a major cause of morbidity and mortality worldwide. Despite recent improvement in acute management (specifically for administration of antibiotics) many severe presentations of pneumonia worsen, progressing to Acute Respiratory Distress Syndrome (ARDS), a clinical entity with 40% hospital mortality. Dysregulation of immune response is thought to be largely implicated in severe pneumonia progressing to ARDS. Notably, experimental studies ha...

Effect of Digoxin on PKM2 Binding to Pro-inflammatory Loci and Innate Immune Inflammatory Responses in the Peripheral Blood.

To investigate the effect of digoxin on pyruvate kinase isoform 2 (PKM2) binding to pro-inflammatory loci and innate immune inflammatory responses in the peripheral blood in healthy subjects.

SSRI Effects on Depression and Immunity in HIV/AIDS

This is a 10 week, double-blind, placebo controlled trial to evaluate SSRI (Selective Serotonin Reuptake Inhibitor) effects for treatment of depression in HIV/AIDS with a focus on innate immunity and inflammation. Depressed population is HIV + on cART, not currently on treatment for depression. Subjects will complete cognitive behavior therapy, CCBT for their depression. Blood samples collected for virologic, neuroendocrine, and immunologic evaluation. Our overarching hypothesi...

Impact of Aging on Cytokine Production by Innate Immune Cells

The main goal of this study is to investigate the impact of aging on the responsiveness of peripheral blood immune cells. To this aim, the investigators will take advantage of a recently described syringe-based assay system that can reproducibly assess induced, innate or adaptive immune responses. Briefly, a total of 50 healthy volunteers will participate to this study: 25 will be older than 18 and younger than 30, and 25 will be older than 55. A total of 14 ml of blood will be...

Human Blood Specimen Collection to Evaluate Immune Cell Function

Natural killer (NK) cells are leukocytes of the innate immune system and play a central role in the control of cancer metastases. NK cells and other innate immune cells often do not function well in patients with cancer and are also profoundly suppressed after cancer surgery. Dr. Auer's Lab and others have shown that NK cells are critically important in the clearance of tumor metastases and that their impairment can be recovered with immune therapy augmenting the innate immune ...

The Effect of Low Pressure Pneumoperitoneum During Laparoscopic Colorectal Surgery on Innate Immune Homeostasis.

Substudy of the RECOVER trial (a randomised controlled trial comparing the effect of low pressure pneumoperitoneum with deep neuromuscular block versus normal pressure pneumoperitoneum with moderate neuromuscular block during laparoscopic colorectal surgery on early quality of recovery) investigating innate immune homeostasis after laparoscopic colorectal surgery.

Effects of Chronic Viral Infection on Immune Response to Zoster Vaccination

This study aims to identify the innate and adaptive immune response to zoster vaccination. Half of the participants will be individuals with chronic hepatitis C, while the other half with healthy volunteers.The innate immune signature elicited by Zoster vaccination will be characterized by RNA-seq analysis of pre- and post-vaccination RNA from whole blood. We will compare fold changes in gene expression profiles pre- versus post-vaccination in each individual, as well as betwee...

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