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NCT ID: NCT06108869 Suspended - Clinical trials for Chronic Spontaneous Urticaria

Improving Health and Wellbeing for People Diagnosed With Chronic Spontaneous Urticaria (CSU)

Start date: June 1, 2022
Phase: N/A
Study type: Interventional

This study aims to investigate the influence of psychosocial factors on Chronic Spontaneous Urticaria (CSU). Preliminary research suggests a potential link between stress and the experience of CSU symptoms. In light of these findings, our study offers a stress management intervention for individuals diagnosed with CSU. The intervention consists of a 6-week online course designed to cultivate effective stress management techniques, referred to as 'attention-based training (ABT).' The course asks each participant to develop their own ABT practice, along with a one-hour session per week, providing techniques that participants can use to combat stressors related to their condition.

NCT ID: NCT05552157 Suspended - Dementia Clinical Trials

A Study of Potential Disease Modifying Treatments in Individuals at Risk for or With a Type of Early Onset AD Caused by a Genetic Mutation

DIAN-TU
Start date: December 2, 2022
Phase: Phase 2/Phase 3
Study type: Interventional

The purpose is to evaluate the biomarker effect, safety, and tolerability of investigational study drugs in participants who are known to have an Alzheimer's disease (AD)-causing mutation. Part 1 will determine if treatment with the study drug prevents or slows the rate of amyloid beta (Aβ) pathological disease accumulation demonstrated by Aβ positron emission tomography (PET) imaging. Part 2 will evaluate the effect of early Aβ plaque reduction/prevention on disease progression by assessing downstream non-Aβ biomarkers of AD (e.g., CSF total tau, p-tau, NfL) compared to an external control group from the DIAN-OBS natural history study and the DIAN-TU-001 placebo-treated participants.

NCT ID: NCT04809129 Suspended - Obesity Clinical Trials

Testing the Gravitostat in Humans: the Impact of a Weighted Vest in Patients Post Bariatric Surgery on Fat-free Mass Retention and Weight Loss

Start date: April 8, 2021
Phase: N/A
Study type: Interventional

The mechanisms regulating fat mass homeostasis are incompletely understood although recent animal and human trials would suggest that there is a leptin independent regulatory pathway which may play a role in weight control and maintenance. Although evidence would suggest that external loading in patients with obesity may promote body weight loss, this has not been explored in patients following bariatric surgery. The aim of this study is to investigate the mechanisms regulating weight loss and the potential role of the 'gravitostat' in fat free mass retention in patients following bariatric surgery.

NCT ID: NCT04419792 Suspended - Narcolepsy Clinical Trials

'A Profile of Physical Performance Variables in an Out-patient Adult Population With Narcolepsy'

Start date: October 15, 2019
Phase:
Study type: Observational

Narcolepsy is a sleep disorder characterised by excessive daytime sleepiness and significantly impacts quality of life. People with narcolepsy demonstrate many potential barriers to being physically active, such as sleepiness and social isolation. Very little is known about how physical performance variables may be affected and influence disease experience in people with narcolepsy. This study aims to profile the physical fitness and physical functioning variables of adults with narcolepsy and to explore the relationship between physical variables, quality of life, symptom severity and disease experience in this cohort.

NCT ID: NCT04395378 Suspended - Type 1 Diabetes Clinical Trials

Use of Dexcom G6 in Commercial Pilots With Insulin Treated Diabetes

DEXFLY
Start date: December 5, 2019
Phase:
Study type: Observational [Patient Registry]

The investigators wish to explore the use of the CGMS Dexcom G6® in pilots with insulin-treated diabetes, who are flying commercial aircraft with Class 1 and flying instructors or private pilots with class 2 certificates. The aim of this study is to explore the severity and number of hypoglycaemic episodes recorded with rtCGMS compared to the results from other self-glucose monitoring following the current protocol of the UK Civil Air Aviation (UKCAA), and to explore the possibility of the use of rtCGMS during flight and free living. This will involve using CGM Dexcom G6® for continuous glucose monitoring for 6 months in flight time and during free living. The participants will be blinded for the results for the first month but will be encouraged to use the data from the CGMS Dexcom G6 ® for the following 5 months during the trial.

NCT ID: NCT04330300 Suspended - Hypertension Clinical Trials

Coronavirus (COVID-19) ACEi/ARB Investigation

CORONACION
Start date: April 30, 2020
Phase: Phase 4
Study type: Interventional

Coronavirus disease 2019 (COVID-19) is a pandemic infection caused by a virus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Because SARS-CoV-2 is known to require the angiotensin-converting enzyme 2 (ACE-2) receptor for uptake into the human body, there have been questions about whether medications that upregulate ACE-2 receptors might increase the risk of infection and subsequent complications. One such group of medications are anti-hypertensives that block the renin-angiotensin system, including both angiotensin converting enzyme inhibitors (ACEi) and angiotensin II receptor blockers (ARB). Both ACEi and ARB are widely used for the treatment of hypertension. Early reports from China and Italy suggest that many of those who die from COVID-19 have a coexisting history of hypertension. Consequently, there have been questions raised as to whether these 2 types of blood pressure medication might increase the risk of death among patients with COVID-19. However, it is well known that the prevalence of hypertension increases linearly with age. Therefore, it is possible that the high prevalence of hypertension and ACEi/ARB use among persons who die from COVID-19 is simply confounded by age (older people are at risk of both a history of hypertension and dying from COVID-19). Whether these commonly prescribed blood pressure medications increase the risk of COVID-19 or not remains unanswered. Statements from professional cardiology societies on both sides of the Atlantic have called for urgent research into this question. Our study aims to randomize patients with primary (essential) hypertension who are already taking ACEi/ARB to either switch to an alternative BP medication or continue with the ACEi/ARB that they have already been prescribed. Adults with compelling indications for ACEi/ARB will not be enrolled.

NCT ID: NCT04290637 Suspended - Hypertension Clinical Trials

The Galway Sea Swimmers Study

GS3
Start date: October 2020
Phase: N/A
Study type: Interventional

Cardiovascular disease (CVD) is the leading cause of death worldwide. Hypertension is a well-established risk factor for the development of CVD. Lifestyle modifications, including exercise, remain the cornerstone of blood pressure (BP)-lowering strategy. Swimming has long been a popular recreational activity for exercise, and is recently gaining widespread recognition as an effective option in maintaining and improving cardiovascular health. Previous studies that involved pool swimming as an intervention (versus no pool swimming) demonstrated favorable benefits of the former on BP reduction. However, no studies to date have specifically investigated the effect of cold-water sea swimming on BP. Indeed, the naturally lower water temperature in the sea may engender a 'cold water immersion' experience in sea swimmers with subsequent stress physiology, which have been shown to exert unique effects on cardiovascular hemodynamics. This study primarily aims to determine the impact of cold-water sea swimming on BP in a group of habitual sea swimmers in Galway who will be randomly assigned to either continue or stop swimming for 4-6 weeks. Other objective and subjective health benefits to sea swimming will also be explored in this study. Given the ubiquitous nature of this activity in the Irish general public, particularly in Galway, this study has potential from a public health perspective, and would add to the literature base pertaining to the benefits of sea swimming on cardiovascular health.

NCT ID: NCT02440971 Suspended - Clinical trials for Sleep Disordered Breathing

Adaptive Servo Ventilation (ASV) in Heart Failure

Start date: May 2013
Phase:
Study type: Observational

Up to 60% of patients with heart failure show abnormal patterns of breathing (sleep disordered breathing (SDB)) at night which can increase the risk of recurrent admissions and have important prognostic implications. SDB is however, treatable with the use of non invasive breathing support devices such as the adaptive servo ventilation (ASV) device. The aim of the study is to observe and investigate the potential role of ASV in the management of heart failure. Patients that agree to participate in this study will be requested to use an ASV ventilator device (called the AutoSet CS-A) to help their SDB for approximately 6 weeks. The device is approximately the size of a large shoe box, which can be placed at the side of the bed, with tubing and a mask. At night, the mask is placed over the nose and/or mouth and it blows positive air pressure as determined by the device itself as it constantly monitors the patients breathing throughout the night. During this study, the patients breathing patterns will be monitored non-invasively using the ApneaLink device. A non-contact device knows as a SleepMinder will sit on the patients bedside locker as another form of monitoring of their sleep patterns. Study staff will monitor the patient and give them frequent support, and they will also be asked questions regarding their experiences with this equipment and any symptoms they may have over this time. They will be followed up regarding this study at the same time as their follow-up requirements for their heart failure. This study will be conducted in total over 3 months.

NCT ID: NCT02406131 Suspended - Clinical trials for Peripheral Vascular Diseases

Effects of Remote Ischemic Preconditioning on Restenosis Post Lower Limb Revascularization Angioplasty

Start date: April 2018
Phase: N/A
Study type: Interventional

The investigators will established relation between restenosis and inflammatory response to shearing stress caused by angioplasty suggest that any mechanism that affect inflammatory response can consequently affect the restenosis rate. There is accumulated evidence that remote ischemic precondition has modifying suppressive effect on inflammatory response and the investigators hypothesized that RIPC may lead to reduction in post angioplasty restenosis rate.