There are more than 498,563 clinical trials published worldwide with over 60,000 trials that are currently either recruiting or not yet recruiting. Use our filters on this page to find more information on current clinical trials or past clinical trials (free or paid) for study purposes and read about their results.
Cardiovascular disease (CVD) is one of the leading causes of mortality worldwide. Inorganic nitrate found in beetroot and green leafy vegetables has been demonstrated to reduce cardiovascular disease risk factors including reducing blood pressure and the stiffness of blood vessels by increasing levels of a compound called nitric oxide. Much of the research to date has focused on the large blood vessels, and little is known about the impact of inorganic nitrate on smaller blood vessels which could be related to cognitive function. The majority of beneficial effects with inorganic nitrate have been observed within young healthy populations. However, it is known that after the menopause women are at an increased risk of cardiovascular disease and have reduced levels of nitric oxide in their body; this could also contribute to the cognitive decline also observed post-menopause. This trial will investigate the impact of inorganic nitrate from beetroot juice on the blood flow in small blood vessels and on cognitive function in postmenopausal women. The hypothesis of the study is that the nitrate in beetroot juice will increase circulating nitric oxide that will then increase blood flow in small blood vessels and improve cognitive function.
The aim of this randomized trial is to investigate the groin complications in open vs percutaneous peripheral cannulation for cardiopulmonary bypass in minimally invasive cardiac surgery
The goal of this observational case-control study is to learn about the circulating and tissue microRNA expression, imaging and radiomic profiles of malignant ovarian germ cell tumours (MOGCT) compared to patients with a benign OGCT and no ovarian pathology. The main question[s] it aims to answer are: 1. To understand the circulating miRNA expression of malignant ovarian germ cell tumours (MOGCTs) compared to those with benign ovarian germ cell tumours (BOGCTs) 2. To understand the imaging profile of MOGCTs compared to that of BOGCTs 3. To establish the relationship between serum and plasma miRNA expression in response to treatment and relapse of disease 4. To discover if miRNA expression correlates with radiomic features of OGCTs on both ultrasound and MRI 5. To see if we can link the micro RNAs in tumour samples to those found in blood samples, and to find a plausible explanation for why these micro RNAs are raised (in terms of the tumour biology itself).aims Participants will have serial blood tests at different time points in their care to assess how circulating miRNA levels are affected by treatment and/or remission and/or relapse. If they have surgery, a pathology sample will be taken from the main tumour specimen. Radiomic analysis will take place on existing ultrasound images of their mass. Researchers will compare the circulating miRNA profile of patients with a benign ovarian germ cell tumour and no ovarian pathology to see where the differences lie. If a patient with a BOGCT requires surgery, a pathology sample will be taken from the main tumour specimen. Radiomic analysis will take place on existing ultrasound images of their benign mass.
The prevalence of metabolic syndrome in Taiwan has been increasing yearly. In this project, the database of blood test results from healthy and metabolic syndromes individuals will be analyzed to identify the small molecules related to the severity of metabolic syndrome. These identified small molecules could be used as biomarkers to predict the development of metabolic syndromes in the future.
After a subarachnoid haemorrhage, complications are common and increase the overall rate of disability and death from the condition. Despite some advances in preventing, detecting and treating these complications, the rates of complications and associated risks remain high. Further research into ways to reduce complications of subarachnoid haemorrhage. Transcutaneous vagus nerve stimulation (tVNS) is a technique where a small handheld device is attached to an earpiece which stimulates the nerves to the ear. This is given for short periods and may help improve blood flow and reduce inflammation in the brain. The intervention has been safely used and licensed in seizures, headache and severe depression. This study will look to see if it is feasible and tolerable to have tVNS twice daily for 5 days after subarachnoid haemorrhage, and whether it can help reduce the risk of complications from subarachnoid haemorrhage. The participant will be randomly allocated to receive either tVNS or a dummy intervention, known as sham. The researchers will collect some personal and clinical details such as diagnosis, medications, age, blood test results, as well as some details about the subarachnoid haemorrhage. The researchers will also complete brief questionnaires with the participant to assess symptoms. They will take measurements of heart rate, pupil response, and brain activity using a cap. The participant will then be randomly allocated to either receive the tVNS or sham intervention. Next, the research team will apply the earpiece to their ear twice a day for 45 minutes, for a total of 5 days. At the end of the 5-day study period, the intervention will be complete. The researchers will arrange a follow-up meeting on discharge and at 6 weeks, to assess the participants symptoms and recovery. Previous studies have shown that tVNS is safe and well tolerated, including a recent review of tVNS studies which evaluated the side effects experienced by 1322 patients receiving tVNS. The main side effects include localised tingling/numbness/pain/redness around the ear (17%), headaches (3%), dizziness (1%), facial droop (1%), nausea (1%), nasal discharge (2%). Rarely, palpitations or a slow heart rate may occur. They will continue to receive full medical treatment and observation alongside the study. They are free to withdraw from this study if they find it too demanding on top of their other activities.
Assess frequency of renal affection in mafld
48 patients, over the age of 18, with pulmonary arterial hypertension (PAH) classified as WHO III-IV, that are all stable under Macitentan therapy ( medication for treating PAH patients), will be recruited to the study through the pulmonary hypertension (PH) clinic at Soroka Medical Center. The patients will be randomly divided into an intervention group, which will exercise twice a week for 12 weeks, supervised by physiotherapists, and a control group, which will only receive the medication. Tests will be performed before the beginning of the intervention program, 6 weeks after it has begun, at the end of the 12 week program, and 3 months after finishing the program.
Cardiac amyloidosis is a multi-organ syndrome, which usually presents as restrictive cardiomyopathy (RCM). Transthyretin (TTR) amyloidosis (or ATTR) is a subtype of amyloidosis which frequently involves heart. Cardiac ATTR, though infrequently diagnosed during lifetime, may represent a prevalent cause of RCM, especially in elderly. Several medications that can limit progression of the disease are currently under investigation. Presently the golden standard for diagnosis of ATTR is endomyocardial biopsy (EMB) which may entail severe adverse complications causing under-diagnosis of ATTR. Several papers support the evidence that Tc99m-labeled tracers can be used to detect myocardial deposits of TTR amyloid. It was suggested that Tc99m scintigraphy might be a highly sensitive diagnostic tool for cardiac ATTR. In this study the patients with otherwise unexplained cardiomyopathy or heart block will undergo Tc99m scan, which will establish the incidence of this largely underdiagnosed condition in the population.
The objective of this study was to detect whether preoperative anxiety and pain sensitivity had effects on the consumption of anesthetics, time to achieve desired level of sedation, patient and endoscopist satisfaction, and postoperative recovery time and pain in deep sedation.
The bispectral index (BIS) monitoring is an EEG-based method that uses electroencephalogram analysis and a complex algorithm to generate a numerical scoring 0-100 (0 flat line EEG, 100, wide awake) BIS monitoring allows noninvasive, objective measurement of level of consciousness of a sedated patient. A limited number of studies have used measurements of BIS monitoring to assist endoscopic sedation.There are studies using BIS monitoring to make sedation easy for ERCP procedures. However, the studies evaluating use of BIS for gastrointestinal endoscopy show inconsistent results. The objective of this study is to evaluate effects of sedation on the dosage of propofol by monitoring with BIS values, hemodynamics, recovery parameters, respiratory functions and endoscopist satisfaction based on the hypothesis that the investigators would reduce the risk for respiratory depression using minimal doses of propofol in order to achieve the desired level of sedation with BIS monitoring.