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Natriuretic Peptides clinical trials

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NCT ID: NCT05216042 Recruiting - Obesity Clinical Trials

GENESIS: Genotype Guided - Natriuretic Peptides - Cardiometabolic Health Study

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

Natriuretic Peptides (NP) are hormones produced by the heart, and they have a wide range of favorable metabolic benefits. Lower levels of these hormones are associated with an increased likelihood of the development of diabetes and poor cardiometabolic health. Obese and Black individuals have ~30% lower levels of NP and are at a greater risk of developing cardiovascular (CV) events as compared to lean and White counterparts. Some people have common genetic variations that cause them to have ~20% lower NP levels. Similar to other low NP populations, these individuals with low NP genotype (i.e., carrying a common genetic variation called rs5068) are at a greater risk of developing cardiometabolic diseases. By understanding the NP response following the exercise challenge and the glucose challenge in individuals with genetically lower NP levels will help us understand how to improve cardiometabolic health in them.

NCT ID: NCT05067231 Recruiting - Obesity Clinical Trials

CARBON: UAB Cardiovascular Research Biobank

CARBON
Start date: January 1, 2022
Phase:
Study type: Observational

The UAB Cardiovascular Research Biobank (CARBON) will be a resource that contains biological materials, such as DNA samples, in addition to health and personal information on a large number of people over time. It will be set up so that it can be used in the future as a resource for researchers undertaking a wide range of medical research.

NCT ID: NCT04971720 Recruiting - Obesity Clinical Trials

PRECISION-BP: Precision Chronopharamacotherapy Targeting NP-RAAS-BP Rhythm Axis

PRECISION-BP
Start date: February 18, 2022
Phase: Phase 2/Phase 3
Study type: Interventional

Obese individuals have a higher prevalence of nocturnal hypertension and non-dipping blood pressure (BP). These conditions are associated with an increased risk of cardiovascular (CV) events and death. Natriuretic Peptides (NPs) are hormones produced by the heart which directly regulate BP by causing dilation of blood vessels and by removing sodium and water from the body. NPs have a 24-hour day-night rhythm and this controls the day-night rhythm of BP as well. The NP-BP rhythm relationship is broken down in obese individuals. Obese individuals also have lower circulating NP levels. Lower circulating levels of NPs and elevated renin hormone (a part of the Renin-Angiotensin-Aldosterone System [RAAS]) at nighttime may contribute to the high nocturnal blood pressure in obese individuals which puts them at a higher risk of developing CV events. This current study seeks to determine the biological implications of chronopharmacology for synchronizing NP-RAAS-based blood pressure therapy with the physiological diurnal rhythms to restore the normal diurnal rhythm of blood pressure in obese individuals.

NCT ID: NCT04055428 Recruiting - Clinical trials for Cardiovascular Diseases

NAUTICAL: Effect of Natriuretic Peptide Augmentation on Cardiometabolic Health in Black Individuals

Start date: August 15, 2020
Phase: Phase 2
Study type: Interventional

Black individuals are more likely to have decreased insulin sensitivity which results in a high risk for the development of cardiometabolic disease. The reasons for this are incompletely understood. Natriuretic peptides (NPs) are hormones produced by the heart that play a role in regulating the metabolic health of an individual. Low circulating level of NPs is an important contributor to increased risk for diabetes. The NP levels are relatively lower among Black individuals thus affecting their metabolic health and putting them at a higher risk for diabetes. This study aims to test the hypothesis that by augmenting NP levels using sacubitril/valsartan, among Black Individuals one can improve their metabolic health (as measured by insulin sensitivity & energy expenditure) and help establish the role of NPs in the underlying mechanism behind increased risk for cardiometabolic disease in these population.

NCT ID: NCT03834168 Completed - Obesity Clinical Trials

The Diurnal Rhythm in Natriuretic Peptide Levels

Start date: April 1, 2019
Phase: N/A
Study type: Interventional

The purpose of the study to assess the diurnal rhythm in natriuretic peptide levels and its temporal relationship with nocturnal blood pressure in obese and African-American individuals as compared with lean and white individuals.

NCT ID: NCT03072602 Completed - Healthy Clinical Trials

Racial Differences in the Natriuretic Peptide Response to Glucose Challenge

Start date: March 1, 2017
Phase: N/A
Study type: Interventional

The purpose of the study is to discover any racial dissimilarity in the response of Natriuretic peptide (NP) system to acute metabolic influences such as a high carbohydrate challenge

NCT ID: NCT01313975 Completed - Clinical trials for Traumatic Brain Injury

Electrolyte and Fluid Disturbances in Subarachnoid Hemorrhage and Traumatic Brain Injury

Start date: January 2011
Phase: N/A
Study type: Observational

During the course of their acute illness patients with subarachnoid hemorrhage and severe traumatic brain injury often develop disturbances in their fluid balance and electrolyte homeostasis. These shifts are associated with worse outcome and increased morbidity. The aim of this observational study is to systematically analyze the incidence, characteristics, potential diagnostic markers and predisposing factors of such disturbances. The investigators hypothesize that many disturbances cannot be classified with a standard diagnostic approach and that variable fluid management contributes to their pathophysiology. Patients will be closely monitored clinically and the exact fluid and electrolyte balances will be recorded. Treatment decisions are within the bedside physicians responsibility. Baseline fluid management is standardised. No interventions are planned. The observation period equal the duration of ICU stay.