Clinical Trials About "Adenosine Receptor ADORA3 Pipeline Review 2018 Report Updated" RSS

11:37 EDT 22nd October 2018 | BioPortfolio

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Showing "Adenosine Receptor ADORA3 Pipeline Review 2018 Report Updated" Clinical Trials 1–25 of 6,100+

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Effects of Allergen Inhalation on Adenosine Receptor Expression in Sputum and Peripheral Blood

The purpose of this study is to determine whether asthmatics have different adenosine receptor expression profiles than healthy controls. We hypothesize that asthmatics will have increased adenosine receptor expression versus control subjects. We also want to study the effects of allergen inhalation on adenosine receptor expression in asthmatics. We believe that adenosine receptor expression will be upregulated after allergen inhalation. Both hypotheses are being tested...

Effect of Polymorphisms in the Adenosine a2a Receptor Gene and AMPD2 Gene on Adenosine-Induced Vasodilation and Reactive Hyperemia

The endogenous nucleoside adenosine can induce various cardiovascular and neurohumoral effects by stimulation of specific adenosine receptors. taken together these effects protect against ischaemia-reperfusion injury of (myocardial)muscles and agsinst the development of atherosclerosis. Genetic variations in genes encoding for adenosine receptors or for enzymes involved in the formation or breakdown of adenosine could potentially modulate these effects. In this study, we aim to...


The Effect of Rosuvastatin on Adenosine Metabolism

The aim of this study is to show whether rosuvastatin influences adenosine metabolism. Therefore we will determine whether rosuvasatin increases dipyridamole-induced vasodilation by increased adenosine receptor stimulation.

AMP as a Better Delivery System of Adenosine

Adenosine and AMP are substances normally present in the body. Adenosine is also given for the treatment of some heart rhythm problems and may be used to reduce heart damage during heart attacks. The problem in using adenosine is that it is taken up by cells and, therefore, very little of the adenosine we give by vein or in the artery actually reaches the tissue. We propose to use AMP as a way to improve delivery of adenosine. AMP is inactive by itself, but is converted to ...

Adenosine and A2A Receptors in Human Brown Adipose Tissue

This study investigates the significance of adenosine and A2A receptors in human brown adipose tissue (BAT) in vivo. Using positron emission tomography (PET), perfusion and the density of A2A receptors will be measured in supraclavicular BAT and other tissues in healthy men. The investigators hypothesize, that adenosine can activate BAT, and that adenosine A2A receptor density changes when BAT is activated by cold exposure. Understanding the mechanisms of BAT activation and th...

Study to Evaluate the Safety and Tolerability of CPI-444 Alone and in Combination With Atezolizumab

This is a phase 1/1b open-label, multicenter, dose-selection study of CPI-444, an oral small molecule targeting the adenosine-A2A receptor on T-lymphocytes and other cells of the immune system. This trial will study the safety, tolerability, and anti-tumor activity of CPI-444 as a single agent and in combination with atezolizumab, a PD-L1 inhibitor against various solid tumors. CPI-444 blocks adenosine from binding to the A2A receptor. Adenosine suppresses the anti-tumor activi...

Epidemiology and Clinical Features of Uveitis in a Tertiary Referral

The aim of the study is to report the pattern of uveitis in patients attending a tertiary referral center at the University hospital in Montpellier. The patients seen at the specialized consultation for uveitis between 2002 and first semester 2018 were included. Data about demography, clinical features and final diagnoses were collected and updated during the differenet visits. The medical records were restrospectively rewieved and analyzed.

ADVANCE MPI 2: Study of Regadenoson Versus Adenoscan® in Patients Undergoing Myocardial Perfusion Imaging (MPI)

Adenoscan® (adenosine) is an approved pharmacological stress agent indicated as an adjunct to thallium-201 myocardial perfusion scintigraphy in patients unable to exercise adequately. The investigational drug, regadenoson (CVT-3146) is a selective A2A adenosine receptor agonist, the receptor responsible for coronary vasodilation, and is being studied for potential use as a pharmacologic stress agent in myocardial perfusion imaging (MPI) studies. This study will compare the s...

Role of Adenosine in the Release of VEGF and Cytokines

The purpose of this study is to extend previous observations in animal models regarding the effects of adenosine in the release of cytokines to human subjects. We intend to accomplish this in two study protocols. In the first we will infuse intravenously adenosine and measure the plasma levels of inflammatory cytokines. In the second one, we will use a microdialysis technique to infuse intradermally small amounts of adenosine and will measure skin blood flow and will take a bio...

Pipeline Flex With SHield Technology Embolization - An International MulticEnter ObservationaL Post Market StuDy

This is a prospective, single-arm, multi-center post-market observational study assessing the performance of the Pipeline™ Flex Embolization Device with Shield Technology™ in subjects undergoing treatment for intracranial aneurysms in a large real-world, post-market setting.

A Possible Therapeutic Role for Adenosine During Inflammation

The adenosine receptor is known for its anti-inflammatory actions and could therefore be a potential target in the treatment of sepsis and septic shock. Stimulation of the adenosine receptor could potentially lead to a decrease in inflammation and tissue damage. Under normal conditions adenosine is formed either by an intracellular 5`nucleotidase, which dephosphorylates AMP, or by the hydrolysis of S-adenosylhomcysteine by hydrolase. An alternative pathway of AMP degradations ...

Umbrella Review and Updated Systematic Review and Meta-analysis of Pulses/Legumes and Incident Cardiometabolic Diseases

The European Association for the Study of Diabetes (EASD) guidelines have not made any specific recommendations regarding dietary pulses. To update the recommendations, the Diabetes and Nutrition Study Group (DNSG) of the EASD commissioned an umbrella review and updated systematic review and meta-analysis using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach to summarize the available evidence from prospective cohort studies of the associ...

Circulating Adenosine Levels Before and After IV Persantine

Persantine is a drug that is routinely used to determine blood flow to the heart in the diagnosis of coronary heart disease. Persantine causes an increase in the adenosine level in the blood. Adenosine is a naturally occuring substance in the body that can increase blood flow. Adenosine is normally removed from the bloodstream by an adenosine transporter, which is a protein that takes up adenosine from the blood into cells. The increase in adenosine levels in the blood is vari...

Use of Adenosine to Determine the Electrophysiological Mechanism of Premature Ventricular Contractions

Unblinded, controlled, non-randomized, mechanistic study to determine whether physiological mechanisms underlying PVC are sensitive to adenosine. Twenty subjects undergoing clinically-indicated, standard-of-care cardiac electrophysiology study (EPS) procedure for PVCs will receive adenosine to learn if their arrhythmias are inducible similarly to sustained ventricular tachycardia.

Dose-Response of Adenosine for Perioperative Pain

Adenosine A1 and A2 receptors are widely distributed in the brain and spinal cord and represent a non-opiate target for pain management. Activated spinal A1 receptors inhibit sensory transmission by inhibiting the slow ventral root potential, which is the C-fiber-evoked excitatory response associated with nociception. Adenosine may inhibit intrinsic neurons through an increase in K+ conductance and presynaptic inhibition of sensory nerve terminals to inhibit the release of su...

Adenosine Cardioplegia; Improved Cardioprotection?

60 elective patients for CABG will be included to receive either standard hyperkalemic cardioplegia (St.Thomas Hospital Solution No I) or cardioplegia where supranormal potassium is replaced with 1.2 mM adenosine. Hypothesis as follows: 1. Adenosine instead of supranormal potassium in the cardioplegic solution give satisfactory cardiac arrest. 2. Adenosine instead of supranormal potassium in the cardioplegic solution gives equal cardioprotection. The patients will be followed w...

Adenosine Effect on Persistent Pulmonary Vein Isolation Line Evaluation (APPLE Trial)

The investigators studied the effects of adenosine on the reconnection rate after successful pulmonary veins isolation by radiofrequency catheter ablation in patients with drug-resistant atrial fibrillation

Pipeline Integrating Gut Metagenome Data, Host Immunogenetic Characteristics and Clinical Gut Inflammatory Biomarkers

The combined analysis of microbiome, immunological parameters and host genetics in patients has potential for applying personalized approaches of prevention, diagnostics or therapy in the future. However, the acquisition and analysis of these patient characteristics in a scientifically sound, technically reliable, cost-effective, practicable and future-oriented fashion are a far from trivial task. Therefore the objectives of the study are (i) to optimize a sample and data acqui...

Enhancement of Postocclusive Reactive Hyperaemia by Dipyridamole

The purpose of this study is to determine whether dipyridamole enhances postocclusive reactive hyperaemia by increasing extracellular adenosine concentrations during ischemia and reperfusion. Furthermore we hypothesize that dipyridamole augments postocclusive reactive hyperaemia by increasing adenosine receptor stimulation.

Clonidine Versus Adenosine to Treat Neuropathic Pain

The purpose of this study is to determine the effects of clonidine and adenosine on nerve pain.

The Effect of Caffeine on Ischemic Preconditioning

Ischaemic preconditioning (IP) describes the phenomenon that brief periods of ischaemia render the (myocardial) muscle more resistant to a subsequent more prolonged period of ischaemia and reperfusion. Animal studies have provided evidence that adenosine receptor stimulation is an important mediator of IP. As caffeine is an effective adenosine receptor antagonist already at concentrations reached after regular coffee consumption, we aimed to assess whether caffeine impairs IP i...

Hyperemic Efficacy of IV Adenosine in HFrEF

Little is known about the hyperemic efficacy of IV adenosine as well as safety in patients with heart failure with reduced ejection fraction (HFrEF) because they were excluded from the major FFR studies. We will evaluate the feasibility and hyperemic efficacy of IV adenosine in patients with HFrEF in comparison with IC nicorandil for invasive physiological assessment using a coronary pressure wire.

Salvage: Postconditioning With Adenosine for STEMI

Investigate the effect of selective intracoronary administration of adenosine on myocardial salvage and microvascular integrity in the setting of acute myocardial infarction.

CPI-006 Alone and in Combination With CPI-444 and With Pembrolizumab for Patients With Advanced Cancers

This is a phase 1/1b open label, multicenter, dose-selection study of CPI-006, a Type 2 humanized IgG1 antibody inhibiting enzymatic activity of CD73 and adenosine production. This trial will study the safety, tolerability, and anti-tumor activity of CPI-006 as a single agent, in combination with CPI-444, a small molecule targeting the adenosine-A2A receptor on immune cells, and in combination with pembrolizumab, an anti-PD1 antibody against various solid tumors.

Does Caffeine Affect the Sensitivity of Adenosine Perfusion Scans?

We are studying the affect of caffeine on the sensitivity of detecting coronary artery disease (blockages in the blood flow to the heart) with adenosine tracer scans. Adenosine is a drug used routinely in patients to relax heart blood vessels in order to assess for the presence of coronary artery disease. Often, if patients have had caffeine, the adenosine scan is not used because of the belief that caffeine may reduce the ability to detect coronary artery disease. We would l...

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