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All-cause Mortality clinical trials

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NCT ID: NCT06355219 Completed - Obesity Clinical Trials

Macrovascular and Microvascular Morbidity and Mortality After Metabolic Surgery Versus Medicines

M6
Start date: January 1, 2010
Phase:
Study type: Observational

The goal of this study is to compare the impact of metabolic surgery and a class of anti-diabetes medications (Glucagon-like peptide-1 receptor agonists,GLP-1 RAs) on occurrence of diseases involving small and large vessels such as heart disease, kidney disease, and disease of the retina (a part of the eye), as well as deaths.

NCT ID: NCT03939624 Completed - Heart Failure Clinical Trials

Sodium-glucose Cotransporter 2 (SGLT2) Inhibitors and Risk of Cardiovascular Events

Start date: October 1, 2018
Phase:
Study type: Observational

The purpose of this study is to compare the risk of cardiovascular events associated with the use of sodium-glucose cotransporter 2 (SGLT2) inhibitors in comparison with the use of dipeptidyl peptidase-4 (DPP-4) inhibitors among patients with type 2 diabetes. The investigators will carry out separate population-based cohort studies using health care databases in seven Canadian provinces and the United Kingdom. The study cohort will be defined by the initiation of a SGLT2 inhibitor or a DPP-4 inhibitor after SGLT2 inhibitors entered the market. Patients will be followed up until the occurrence of a cardiovascular event. The results from the separate sites will be combined by meta-analysis to provide an overall assessment of the risk of cardiovascular events in users of SGLT2 inhibitors. The investigators hypothesize that the use of SGLT2 inhibitors will be associated with a decreased risk of cardiovascular events in comparison with the use of DPP-4 inhibitors.

NCT ID: NCT03596502 Completed - Atrial Fibrillation Clinical Trials

Direct Oral Anticoagulants in Patients With Atrial Fibrillation (DOACs vs Warfarin)

Start date: February 1, 2018
Phase:
Study type: Observational

The purpose of this study is to assess safety and effectiveness of direct oral anticoagulants (DOACs) and warfarin for stroke prevention in patients with non-valvular atrial fibrillation (AF). The comparison of DOACs versus oral vitamin K antagonists, in particular warfarin, is of interest. The investigators will carry out separate population-based, matched cohort studies, using health administrative databases in seven Canadian provinces. New users of oral anticoagulants (DOACs or warfarin) for stroke prevention in non-valvular AF will be eligible to enter the cohorts. Follow-up will continue until a hospitalization or emergency department visit for a stroke. The results from the separate sites will be combined by meta-analysis to provide an overall assessment of the safety and effectiveness of the different anticoagulation regimens in stroke prevention in AF. The investigators hypothesize that DOACs and warfarin will have similar safety and effectiveness profiles.

NCT ID: NCT03568916 Completed - Atrial Fibrillation Clinical Trials

Direct Oral Anticoagulants in Patients With Atrial Fibrillation (DOACs vs DOACs)

Start date: November 2016
Phase:
Study type: Observational

The purpose of this study is to assess safety and effectiveness of direct oral anticoagulants (DOACs) for stroke prevention in patients with non-valvular atrial fibrillation (AF). The comparison of DOACs between themselves is of interest. The investigators will carry out separate population-based, matched cohort studies, using health administrative databases in nine jurisdictions in Canada, the UK and the US. New users of DOACs for stroke prevention in non-valvular AF will be eligible to enter the cohorts. Follow-up will continue until a hospitalization or emergency department visit for a stroke. The results from the separate sites will be combined by meta-analysis to provide an overall assessment of the safety and effectiveness of the different anticoagulation regimens in stroke prevention in AF. The investigators hypothesize that different DOACs will have similar safety and effectiveness profiles.

NCT ID: NCT03243578 Completed - Cancer Clinical Trials

Relationship Between Dietary Protein Intake and Fatal and Non-fatal Health Outcomes

Start date: April 2007
Phase: N/A
Study type: Observational

The aim of the current study was to clarify the relationship between protein intake and health by using a very large, general population cohort study, UK Biobank, to study the associations between reported protein intake (expressed in g/day, g/kg/day and % of total energy intake) and three health outcomes (all-cause mortality, incidence CVD and cancer).

NCT ID: NCT02989103 Completed - All-Cause Mortality Clinical Trials

Hyperthyroid Follow-Up Study

Start date: December 6, 2016
Phase:
Study type: Observational

Background: Hyperthyroidism is a common disease. It is very common for women. It is usually treated with Radioiodine (I-131). Some people think that this might cause cancer, even many years later. Past studies of people with hyperthyroidism have not been clear about cancer risks after I-131. Researchers want to look at a group of people with the disease who got I-131 many years ago. They want to look at how their health was months and years later. Objective: To learn more about disease risks in relation to radiation from I-131 treatment for hyperthyroidism. Eligibility: People who were part of the previous study. These are people who were diagnosed with hyperthyroidism at U.S. and U.K. hospitals from 1946 to 1964. About 95% of the participants have already died. Design: Researchers will examine data already collected by the past study. This includes data on participants later cancers and other health outcomes after they had I-131 treatment. Researchers will compare that data to a National Death Index search. This was already done for data up through 2003. This study will cover 2004 2014. Researchers will not be in touch with study participants or their next of kin....

NCT ID: NCT02546479 Completed - All Cause Mortality Clinical Trials

Follow-Up Study of People Treated for Scoliosis

Start date: September 9, 2015
Phase:
Study type: Observational

Background: Scoliosis is a curving of the spine. It usually happens in girls when they are children and teens. Doctors often use x-rays to diagnose it. The x-rays give low radiation. This may increase the risk that those young women get cancer later in life. Researchers want to learn more about this risk. They will look data that has already been collected. Objectives: To study cancer risks of repeated low radiation from x-rays for scoliosis. Also, to study death risks related to certain scoliosis patient characteristics. These include causes, kinds of curvature, and kinds of treatment. Eligibility: Medical records of women from past scoliosis studies. Design: This U.S. Scoliosis Cohort includes more than 5,000 women who were diagnosed between 1912 and 1965. Data were collected on these women in the 1980s and 1990s. These came from medical records, radiology log books, and x-ray films. Researchers found out where participants were, including if they were dead. Some women were given a follow-up questionnaire. Researchers want to find out where participants are today. They want to identify new deaths of participants. They want to find out their causes of death. This data will be added to other databases.

NCT ID: NCT02024230 Completed - Stroke Clinical Trials

Rivaroxaban Estimation With Warfarin in Atrial Fibrillation Patients With Coronary Stent Implantation Study (REWRAPS)

REWRAPS
Start date: January 2014
Phase: Phase 4
Study type: Interventional

Antiplatelet therapy is indispensable for the prevention of stent thrombosis in patients who underwent coronary artery stenting. Similarly, anticoagulant therapy is essential for the prevention of cardiogenic embolism including cerebral infarction in AF patients. However, the combined antithrombotic therapy has been reported to increase the risk of major bleeding for AF patients after coronary stenting, New anticoagulant drugs that hardly interact with other drugs and do not need frequent blood tests have become commonly used. The purpose of this study is to assess the hypothesis that Rivaroxaban is non-inferior to Warfarin in the efficacy and safety for AF patients after coronary stenting

NCT ID: NCT01924442 Completed - All Cause Mortality Clinical Trials

ROOBY Trial Follow-up Extension

Start date: October 1, 2013
Phase:
Study type: Observational

The Department of Veterans Affairs "Randomized On/Off Bypass" (ROOBY) Trial (CSP #517) was funded in 2001. ROOBY was designed to compare the short-term (30-day) and intermediate-term (1-year) outcomes for patients undergoing off-pump versus on-pump coronary artery bypass graft (CABG) procedures. The ROOBY trial reported a significantly higher 1-year adverse composite outcome rate (i.e., all-cause death, non-fatal myocardial infarction (MI) and/or repeat revascularization) for off-pump versus on-pump patients. ROOBY documented that a higher percentage of off-pump patients received fewer grafts than originally planned (i.e., off-pump patients were less completely revascularized) as compared to on-pump patients. Across all anatomic regions of the heart, the 1-year graft patency rates were significantly lower for off-pump CABG patients. Based on these ROOBY trial initial findings, critically important clinical questions related to the long-term efficacy, stability and durability of the off-pump versus on-pump techniques have been raised. Extending the original ROOBY trial, this CSP #517 follow-up study (CSP 517-FS) will evaluate the longer-term impact of off-pump versus on-pump surgical approaches upon the future occurrence of major adverse cardiovascular events (MACE).

NCT ID: NCT01168362 Completed - Clinical trials for Cardiovascular Diseases

Korea Atherosclerosis Study-3

KAS3
Start date: February 2006
Phase: N/A
Study type: Observational

Multidetector-row Computed Tomography (CT) has been introduced for use in the diagnosis of coronary heart disease. The investigators aimed to characterize coronary artery disease in subjects with cardiovascular risk or not, and in particular plaque natures depending on different status of cardiovascular risk. Especially,the investigators will evaluate the relationships between the pericardial fat and severity of stenosis as well as plaque characteristics using logistic regression models.