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Results 467021-467030 of 470744

Molecular PET/MR Imaging in Vivo Validation of Biomarker for Human Prostate Cancer

Prostate Adenocarcinoma

Primary objective: To correlate the blood/urine metabolomic biomarkers with PET/MR imaging. Secondary objectives: To evaluate the sensitivity and specificity of the PET/MR in diagnosis of prostate cancer. To examine the diagnostic performance among subgroups of defined high-risk and low-risk subjects. To interrogate the metabolomic alterations with the molecular PET/MR to develop workable panel biomarkers.

Unknown status17 enrollment criteria

Validation of the JADE wRAP™, a Novel Blood Pressure Measurement Device, Using the Same Arm Sequential...

Blood Pressure

The JADE wRAP™, a wrist worn cuff to measure blood pressure and its supporting software platform is currently at the final alpha prototype stage of development and is not intended for sale. There are minimal risks with using the JADE wRAP™ device; however, the likelihood of these risks has been reduced through design limitations on electrical power delivered to the device and of the pressure delivered to the cuff portion. Patients should experience little to no discomfort from the inflation of the JADE wRAP™ cuff.

Unknown status6 enrollment criteria

Remotely Guided Ultrasound Among Non-Medical Personnel To Assess Normal Lung Parenchyma

Healthy Volunteers

This study will assess the feasibility of remotely guided US use by individuals without ultrasound training to assess for normal lung parenchyma in healthy volunteers. The untrained operators (operators) will perform US examinations of lung under the guidance of a medical professional (professional) with experience in ultrasound technique. The professional will guide the operator step by step on how to conduct an US exam of the 'patient's' lung. Images will then be saved and reviewed at a later time by an ultrasound expert to determine quality and clinical functionality in recognizing normal lung parenchyma. This simulation will be analogous to an untrained US operator assessing a potentially ill patient with the assistance of a remotely located physician. An example of this would be an astronaut with respiratory distress after experiencing a rapid decompression event being evaluated by another healthy astronaut by US under the guidance of the flight surgeon at Mission Control.

Unknown status2 enrollment criteria

Long Non Coding RNA HOTAIR and Midkine as Biomarkers in Thyroid Cancer

Thyroid Cancer

Thyroid cancer is the most prevalent endocrine malignancy.Papillary thyroid carcinomas and follicular thyroid carcinomas account for 95% of all thyroid cancer cases. They are clinically classified as well-differentiated thyroid carcinomas due to their biological behavior resembling normal follicular cells and good responsiveness to surgery and radioiodine therapy . However, they are usually curable when discovered at early stages, but survival rates may be reduced from 100% in stages I and II to 50% at stage IV So,early detection is the key for successful treatment and reduction of mortality. pathological analysis by fine-needle aspiration biopsies has some limitations including difficulty in sampling small tumors, inconclusive diagnosis in up to 35% of patients and bleeding. Thus, biomarkers for diagnosis are needed.

Unknown status2 enrollment criteria

The Clinical Study of Bundle Measures to Improve the Success Rate of Patients With Difficult Ventilator...

Weaning Failure

Based on nutritional support, Cardiopulmonary rehabilitation and Levosimendan Bundle measures, and making beside checklist of patients with difficult ventilator weaning; Implementation of nutritional risk, respiratory function, and cardiac function assessment prior to weaning; Regulate the procedure to solve the problem of difficult-weaning patients with Non neurogenic disease in ICU. Thereby,improve the success rate of weaning patients, so as to shorten the ICU hospitalization time, reduce medical costs, reduce the complications of mechanical ventilation, improve the patient's quality of life.

Unknown status4 enrollment criteria

Incidence and Prevalence of Juvenile Dermatomyositis

Juvenile Dermatomyositis

This is a descriptive, retrospective, multi-center, cross-sectional and observational epidemiological study of incidence and prevalence of juvenile dermatomyositis in Alsace from 2000 to 2015. Alsace is a French region with a low migratory flow

Unknown status3 enrollment criteria

Impact of Socioeconomic Inequalities in Transition Between Health, Multimorbidity and Death Amongst...

Multimorbidity

Life expectancy at age 65 in the most deprived fifth of the English population was about 4 years shorter than of the most affluent fifth in 2010. The inverse gradient between mortality and social position is well established. But how disease patterns and multimorbidity (having two or more long term conditions at the same time) impact on differential mortality rates is inconclusive: is it because disadvantaged groups acquire more or more lethal combinations of, diseases over their life course; or, simply, become ill at ages younger than more affluent groups?

Unknown status4 enrollment criteria

Nutritional Markers in Normal and Hyperemesis Pregnancies

Hyperemesis GravidarumPregnancy

This study evaluate the rate of nausea and nutritional status in patients with hyperemesis gravidarum (severe nausea and vomiting in pregnancy) and healthy pregnant women using a questionnaire (PUQE-score), self-reported food/drink intake form and blood test. The Investigators aim for developing normal range of prealbumin measurements (reference values) during first trimester of pregnancy.

Unknown status6 enrollment criteria

Wearable Dark-adaptometer in Normal Adult Healthy Volunteers

Photoreceptor Sensitivity Thresholds

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 ERG system, whose cost and features may often be surplus to optometrists' requirements. This trial will assess the dark-adaptometry testing performance of a novel light-emitting system by generating full dark-adaptation threshold functions in normal adult healthy volunteers. The novel system has been proposed to overcome the issues associated with current instrumentation; it is semi-automatic and easy to use without the need of any skilled operator. It is envisaged that this system could spread the practice of dark-adaptometry testing and its adoption by high-street optometrists. This will allow diagnosing a number of retinal pathologies more quickly and more reliably that, faced with an ageing population, represents a major asset to the Health Community and the NHS. This trial will involve 20 healthy volunteers, distributed in equal number in 2 groups of 18-40 and 50-70 years old, respectively. Proven the good health and eye condition of the participants, one of their eyes will be randomly-allocated and undergo dark-adaptometry testing 3 times on separate days within 3 weeks. Testing will clarify whether by using the novel system it is possible to reproduce state-of-the-art threshold measurements as good or better than those produced by commercially-available dark-adaptometers. Threshold measurements in the elderly will be compared with literature data adjusted to exclude aged crystalline lens and pupillary miosis contributions. Data variability and system usability will be also assessed.

Unknown status8 enrollment criteria

The Registration Program of BRCA1/2 Gene

Breast Cancer

Purpose: Screening of large samples is to search the gene mutation of the breast cancer susceptibility gene (BRCA1 and BRCA2) in Chinese high risk group. To build the breast cancer BRCA1/2 mutation database of Chinese group. To build the hazard model of breast cancer BRCA1/2 mutation of Chinese group.

Unknown status18 enrollment criteria
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