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We list hundreds of Clinical Trials about "Study Scientists Narrow Down Search Dark Photons Using" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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Dark chocolate is one of the richest sources of polyphenols though it has been hypothesised that the bioavailability and therefore probably the bioefficacy of epicatechin from milk chocolate was reduced compared to dark. This study is designed to compare milk and dark chocolate as a source of polyphenols with a control "chocolate" for improving a risk biomarker for vascular disease.
Flavanols, present in dark chocolate, were shown to induce Nitric Oxide synthesis. Since Nitric Oxide facilitates smooth muscle relaxation, it might ease the relaxation of the LES (lower esophageal sphincter)as well. The objective of the present study is to evaluate tha efficacy of dark chocolate in improving LES relaxation in achalasia patients.
The purpose of this graduate student study is to determine if ingestion of dark chocolate (70% cacao) will change brain frequencies between visualization at a state of rest and a state of exercise performance via electroencephalography (EEG) in vigorously active individuals.
Shifts in accommodation at decreasing luminance levels are considered as principle cause for night myopia. Previous studies with laser optometers quantified the dark focus of accommodation up to 3 D. In addition to the measurement of dark focus, the aim of this study was to investigate the influence of an imaginary target at finite distances on the state of accommodation at scotopic luminance.
Dark chocolate is one of the richest sources of polyphenols though it has been hypothesised that the bioavailability of epicatechin from milk chocolate was reduced compared to dark. The primary outcome measure is to compare plasma polyphenol levels after consumption of 3 chocolates (2 milk, 1 dark) while the secondary outcome measures are to characterise the time course of polyphenols in the blood and to investigate individual variation in Tmax and Cmax for use in future studie...
This study aims to describe in depth the CNS, CNS HIV reservoir and CNS viral rebound in consenting SEARCH 019 subjects prior to, during and after the SEARCH 019 study intervention (VHM + ART or ART only), at 1) baseline, 2) end of study intervention and start of ART interruption, 3) viral rebound (if occurring) or mid-way during observed ART interruption, and 4) at the end of ART interruption. Study SEARCH 026 itself does not employ any therapeutic interventions. However, cons...
Objective: The objective of this protocol is to investigate local changes in rod and cone photoreceptor function across the retina in healthy volunteers and participants with retinal disease. Study Population: Up to 80 healthy volunteers and 250 participants, age 5 or older, with retinal disease. Design: This single-center, observational, case-control study will be comprised of three related aims that all make use of a recently released commercial Dark Adapted ...
This study will evaluate the physiopathologic characteristics of dark circles in participants with various ethnicities and Fitzpatrick Skin Types and the impact of the dark circles on the quality of life.
The aim of this study is to investigate if dark chocolate rich in polyphenols decreases body weight/ body fat in the overweight and obese adult population.
The Rapid Study: Randomized Phase II Study To Expedite Allogeneic Transplant With Immediate Haploidentical Plus Unrelated Cord Donor Search Versus Matched Unrelated Donor Search For AML And High-Risk MDS Patients
The study seeks to compare time from formal search to hematopoietic cell transplantation (HCT) for patients 18 years and older, randomized between haplo-cord search and matched unrelated donor (MUD) search for patients with acute myeloid leukemia (AML) and high-risk myelodysplastic syndrome (MDS)
Dark chocolate (DC) is rich in epicatechin which augments nitric oxide (NO) production through endothelium-dependent influences. The increased bioavailability and activity of NO have been demonstrated to statistically increase flow-mediated dilation in healthy subjects and in hypertensive patients. DC supplementation has been hailed for its positive effects on cardiovascular health and it has been proposed as a booster of physical performance in athletes, however the mechanisms...
The purpose of this study is to compare the effect of dark chocolate with green tea in healthy subjects on clot formation (platelet activity) cholesterol profile and markers of inflammation in two groups. The first group will be on a regimen of dark chocolate, and the second group will be on a regimen of green tea. Clinical outcomes will be determined after seven days of each treatment and both groups will undergo both treatments subsequently and serve as their own contr...
The purpose of this study is to investigate the individual and combined effects of dark chocolate/cocoa and almonds on lipids, lipoproteins, antioxidant defense, lipid peroxidation, phenolic acids, inflammatory status, blood pressure and arterial health. It is hypothesized that dark chocolate/cocoa and/or almonds will favorably affect lipids, lipoproteins, antioxidants, inflammatory status, blood pressure and arterial health compared to a healthy American control diet; however,...
The purpose of this study is to quantitate electrical dyssynchrony in heart failure (HF) patients with a narrow QRS complexes (≤ 130 ms) using the ECG Belt. This is a pilot study that is designed to provide data that can be used in designing and implementing a prospective study of cardiac resynchronization therapy (CRT) in narrow QRS patients selected and optimized using the ECG Belt.
There are large differences in knowledge between patients and healthcare providers (i.e. physicians, physician assistants and nurse practitioners), and there is a strong interest on the part of both industry and academia to reduce the gap in knowledge between patients and healthcare providers. Currently, about 1 in 20 searches on Google are health related. Among internet users, 72% reported searching for health information, and among persons who use mobile phones, 31% of cell p...
The purpose of this study is to determine if patients implanted with a St. Jude Medical (SJM) implantable cardioverter defibrillator (ICD) will benefit by using AutoIntrinsic Conduction Search (AICS) rather than only a programmed AV/PV delay. This study will compare the two methods of programming with respect to intrinsic activity.
There is evidence from a variety of animal studies that choroidal blood flow is under neural control. Recent results in humans indicate that a light/dark transition is associated with a short lasting reduction in choroidal blood flow. Several observations indicate that the changes in choroidal perfusion are triggered at least in part by neural mechanisms. Particularly, we have shown that during unilateral dark/light transition both eyes react with choroidal vasoconstriction str...
This pilot study will evaluate the visual response to infrared (IR) in humans after dark adaptation. The investigators plan to determine which wavelength and intensity the human eye is most sensitive too, using a broad spectrum light source and wavelength-specific bandpass filters. The investigators will then evaluate the electrophysiologic response in healthy humans to IR, followed by studies in those with specific retinal diseases. The long-term goal of this research is to b...
The purpose of the study is to determine if colonoscopic examination using a colonoscope with a narrow band imaging light is more effective at detecting polyps compared to a colonoscope with standard full spectrum white light.
Background: Age-related macular degeneration (AMD) is an eye disease. It is the leading cause of vision loss in people over 55 in the U.S. Changes in the eye can make it difficult for the eye to adjust to low light. This is known as dark adaptation. Identifying and watching the early to middle stages of AMD and changes in dark adaptation might help researchers develop new treatments to stop the disease before it becomes severe. Taking vitamin A might help improve vision ...
Depression is a frequent disease and a serious public health problem, of which suicide is the most severe complication. Its treatment is based on the introduction of antidepressant which not only proposes a significant delay in the relief of symptoms but also by the phenomenon of lifting of inhibition can increase the suicidal risk during the initiation phase. Therefore there is a major interest in proposing a monitoring of these dark and suicidal ideas, immediately after the i...
Background: Age-related macular degeneration (AMD) is an eye disease. It is the leading cause of vision loss in people over 55 in the U.S. Changes in the eye can make it difficult for they eye to adjust to low light. This is known as dark adaptation. This is particularly significant in people with reticular pseudodrusen (RPD). Identifying and watching the early to middle stages of AMD and changes in dark adaptation might help researchers learn to stop the disease before ...
This phase III trial studies how well radiation therapy with protons works compared with photons in treating patients with liver cancer. Radiation therapy, such as photon therapy, uses high energy x-rays to send the radiation inside the body to the tumor while proton therapy uses a beam of proton particles. Proton therapy can stop shortly after penetrating through the tumor and may cause less damage to the surrounding healthy organs and result in better survival in patients wit...
Conventional dark-adaptometers are unsuitable as a mass screening tool due to their high cost, lack of easy portability, need of trained staff and a totally dark room to be operated, arbitrary testing procedures, associated time waste in clinic and patient burden to mention a few. Consequently, dark adaptometers are not routinely used as clinical tools for retinal diagnosis and monitoring despite the inherent benefits over other visual electrophysiology equipment such as the ER...
Although vitiligo is difficult to cure, recurrences are frequent after treatment, and many patients suffer from concerns about recurrence as well as disease. Psoriasis, another indication for ultraviolet radiation treatment, has been established that it can safely and effectively reduce the recurrence of psoriasis through monthly maintenance therapy. The aim of this study was to evaluate the efficacy of Narrow-band UV-B therapy for the prevention of relapse in vitiligo.