Clinical Trials About "Microchip Releases Chemicals Demand" RSS

03:25 EST 21st November 2019 | BioPortfolio

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Showing "Microchip Releases Chemicals Demand" Clinical Trials 1–25 of 811


Breath Test for Chemicals (Volatile Organic Compounds)

Background: - Some types of cancer, like cancer of the esophagus, are difficult to detect at an early stage. A possible detection method involves collecting breath samples to look for chemicals that may be signs of cancer. However, more research is needed to determine how different chemicals appear in different breath samples. This study will involve healthy volunteers. Objectives: - To study chemicals appearing in breath samples of healthy volunteers. Eligibili...

Adjunctive Supplementation of Antioxidants (Vitamins E + C) Plus Omega-3 Fatty Acids

This research study helps to demonstrate that adding vitamins and fats (nutritional supplements) to a diet will help reduce body weight and improve the lipid profile. This will be done by examining the body weight and chemicals in the blood. The chemicals are the result of the brain using the fat that subjects eat in their diet. Some medications may also change the amount of these chemicals in a person’s blood.

Evaluation of an On-Demand Humidifier on Neuromuscular Patients Requiring Mechanical Ventilation

Monocenter study to determine and evaluate the optimal amount of humidification doses delivered by the On-Demand humidification system in neuromuscular patients requiring home mechanical ventilation. The patient's perception will be monitored with subjective as well as with objective measurements of the optimum comfortable on-demand humidification doses.

Chronic Urticaria - Long Term Assessment of Effects of Rupatadine

To compare CSU disease activity at the end of the follow up phase between patients that had been treated daily continuously vs. on-demand in the treatment phase

Glucagon-like Peptide-2 Mediated Secretion of Stored Enteral Lipids

Some of the fat (triglyceride) from the food humans eat gets stored in the bowel. This triglyceride can then be released into the blood when another meal is consumed or in response to hormones. How the gut hormone glucagon-like peptide-2 (GLP-2) releases the triglyceride from the gut is not known. The research team in this study is interested in finding out how teduglutide (a degradation resistant form of GLP-2) releases stored triglyceride from the gut by studying samples from...

Plasma Lipoprotein Response to Glucagon-like Peptide-2

Some of the fat (triglyceride) from the food we eat gets stored in the bowel. This triglyceride can then be released into the blood when we eat another meal or in response to hormones. How the gut hormone glucagon-like peptide-2 (GLP-2) releases the triglyceride from the gut is not known. The research team in this study is interested in finding out how teduglutide (a degradation resistant form of GLP-2) releases stored triglyceride from the gut by evaluating how blood lipoprote...

Microbial Community Composition and Metabolism in Cystic Fibrosis

Scientist have begun to realize that many types of bacteria often live together as a complex community, and the investigators wish to apply that idea to the bacteria in the respiratory system of people with Cystic Fibrosis (CF). It is possible that the survival of the many millions of bacteria in the CF lung depends on the production of special chemicals that might be made only by very few types of bacteria. If that is true, medicines that interfere with those chemicals could t...

Metabolic Cost Savings for Transtibial Amputees Wearing the CESR Foot

To determine if below-knee amputees will walk with better efficiency wearing a CESR foot which stores energy at heel strike and releases energy releases energy during push-off.

Taking Action to Thrive - A Healthy Lifestyle Intervention Pilot Study

There have been some preliminary studies, primarily in animals, that suggest that exposure to some of the chemicals in our everyday environment, such as the chemicals found in plastics, may cause weight gain. It is not clear whether this also happens in humans, or whether decreasing exposure to these chemicals can improve success with weight loss when people adopt healthy lifestyle changes. The THRIVE Study is a 4-week group healthy lifestyle education program that is designed...

Symptomatic Gastroesophageal Reflux Disease: Double Blind Randomized Controlled Study of On-demand Therapy Versus Maintenance Therapy

Maintenance treatment with proton pump inhibitor (PPI) is the most widely recommended modality of treatment for long-term management of gastroesophageal reflux disease (GERD). Yet in clinical practice treatment is commonly given in short courses on as required basis during symptom flare up, particularly for patients with mild to moderate GERD. On-demand therapy also has the potential advantage that patient does not need to take regular medications, thereby improving the qualit...

Biomarkers for Obstructive Sleep Apnea

The purpose of the study is to: - recruit subjects with untreated sleep apnea; assess overnight changes in their blood and urine chemicals - review the overnight changes in blood and urine chemicals after they have been treated for sleep apnea - assess the overnight changes in blood and urine chemicals in healthy individuals with no sleep problems - compare the amount of fat in the belly using a Magnetic Resonance Imaging (MRI) scanner...

Role of Leukotrienes and Adenosine in Hyperpnea-induced Bronchospasm

This research is being conducted to help us better understand what causes exercise induced asthma. The investigators hypothesize that two types of chemicals, cysteinyl leukotrienes and adenosine, play an important role. The investigators will be measuring these chemicals in the exhaled breath of volunteers with exercise induced asthma as they undergo a test to mimic exercise induced asthma. The investigators will determine how the levels of these chemicals change in associat...

On-Demand Oxygen Delivery System Study

The main goal of this study is to determine if supplemental oxygen given only when the patient is inspiring (demand delivery) is more effective than constant-flow oxygen given during all phases of the breath regardless if the patient is breathing it in. A previous study in volunteers (NCT02886312) showed that the oxygen saturation in the blood and the concentration of oxygen breathed out from the lungs (end-tidal oxygen) was higher when given in demand (inhalation only) mode. A...

The Impact of Enhanced, Demand-side Sanitation and Hygiene Promotion on Sustained Behavior Change and Health in Ethiopia

This study is a two-year evaluation investigating the impacts of an enhanced, demand-side sanitation and hygiene intervention on sustainable adoption of improved water, sanitation, and hygiene (WASH) practices and mental well-being.

Routine Versus on Demand Removal of the Syndesmotic Screw; a Randomized Controlled Trial

The objective of this trial is to demonstrate that the functional outcome of 'removal on demand' of the syndesmotic screw is non-inferior compared to routine removal of the syndesmotic screw in patients with an ankle fracture.

Prevalence of New Psychoactive Substances Use

According to the United Nations Office on Drugs and Crime [UNODC] World Drug Report, the annual prevalence of drug use seemed to be stable for the past few years. However, new psychoactive substances (NPS) have increased drastically in both supply and demand.Many NPS were discovered at the same time as other drugs, and it was simply, for whatever reasons, these other drugs became popular. The majority of these substances are chemicals produced by tweaking or altering the molecu...

Impact of Challenging Engagement on Cognition in Older Adults

The study will enroll 90 participants in the "Impact of Challenging Engagement" study and assign them to one of three groups: high-demand photography, moderate-demand photography, and active placebo. These initial groups will allow us to collect data and address the feasibility of converting the project into a full trial. Participants will participate in one of three different engagement conditions for 15 hours per week, based on successful results from the initial Active Inter...

Postoperative Results of Early Versus On-demand Maternal Feeding After Cesarean Delivery

To compare early versus on demand maternal feeding after cesarean delivery regarding gastrointestinal complaints and patient's satisfaction.

Postoperative Pain Management After Minimally Invasive Aortic Valve Surgery

The study evaluates the efficacy of local anesthestic application through the catheter in the surgical wound for the postoperative pain relief after minimally invasive aortic valve surgery. The patients will be enrolled in the three different groups according to the protocol of the local anesthetic and saline administration: 1. group: continous infusion of the local anesthetic plus bolus on demand 2. group: bolus of local anesthetic on demand 3. group: continous ...

Study of Inflammation and Oxidative Stress in Persons Undergoing Dialysis

Little is known about how some drugs affect inflammation or clotting factors in people receiving hemodialysis. It is not yet known if these drugs help prevent heart damage as they do in people not undergoing hemodialysis or whether they could increase the risk of heart problems. The purpose of the study is to measure certain chemicals in the blood and see how those chemicals may change during hemodialysis when certain drugs are given.

On Demand Treatment of Reflux Disease

A comparison of the effect of on demand treatment with a pectin-containing natur product (Aflurax) with that esomeprazole (Nexium)

Risperidone (Risperdal) Augmentation in Depressed Partial Responders to SRI Treatment

This is a study of the chemistry of depression in people who are taking an antidepressant but it is not working well. The changes in brain chemicals that occur when an SSRI type antidepressant is supplemented with risperidone (Risperdal®) will be studied. Spinal fluid is used to measure chemical levels of dopamine, serotonin, and other chemicals thought to be involved in depression. The study has potential to help understand and treat depression.

Pharmacokinetic Study in Patients With Chronic Kidney Disease and Healthy Volunteers

The purpose of this study is to find out how chemicals in the blood of patients with chronic kidney disease affect how medications are removed from the body. The patient will take one dose of three different drugs, one on each week, for a total of three single doses. The investigators want to find out if these three different medications are affected in different ways by the chemicals in the blood of patients with kidney disease.

Prevalence of Cesarean Section on Demand in Assiut University Hospital & Abnob Central Hospital

Cesarean section on demand: defined as a primary cesarean section performed at the mother's request to avoid a vaginal birth, without any recognized medical or obstetric indication. The medical field now acknowledges a patient's right to actively participate in her choice of medical treatments, including method of delivery. There are many reasons for a cesarean section on demand: fear of delivery, fear of pain, family pressure, a previous bad experience, more control over even...

Breath for Better Health Study

Breath analysis is becoming of increasing interest to researchers throughout the world for disease identification and monitoring. It is known that small chemicals dissolved in the blood can pass through the blood/air barrier within the lungs and be exhaled in normal breath, with many of these chemicals being potential biomarkers for a broad range of diseases. These specific biomarkers need to be identified so that gas analysis instruments and sensors can be designed to detect t...

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