The purpose of this study us to investigate the effects of mistimed eating on blood pressure, kidney function and vascular function.
Despite advancements in pharmacologic antihypertensives, hypertension currently affects 1 in 3 Americans and accounts for more than $50 billion of health care spending. Importantly, hypertension is the leading cause of cardiovascular (CVD) and kidney diseases (CKD). As a result, the AHA/ACC lowered the diagnostic criteria for hypertension to encourage earlier preventative lifestyle intervention. There is a critical need to identify and implement novel lifestyle interventions in individuals with early-stage hypertension to prevent the subsequent development of CVD and CKD. Chronotherapy that aligns behavioral cues (such as time of eating) with the body's internal biological clocks, has gained much attention as a potential strategy to prevent and manage hypertension, however, the underlying mechanisms are not yet fully understood. The purpose of this study is to investigate the effects of mistimed eating on blood pressure, kidney function and vascular function.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
15
A Western-style diet meal which will be individualized for caloric consumption by estimated total daily energy expenditure eaten after 1 hour of waking up in the morning
A Western-style diet meal which will be individualized for caloric consumption by estimated total daily energy expenditure eaten within 1 hour of going to bed
Virginia Commonwealth Univesity
Richmond, Virginia, United States
Urinary sodium excretion and markers of kidney injury
Day and nocturnal urinary sodium, NGAL and KIM-1
Time frame: 24 hours
24hr ambulatory blood pressure
Day and nocturnal ambulatory blood pressure
Time frame: 24 Hours
Macrovascular function
Brachial artery endothelial function assessed by flow mediated dilation
Time frame: At baseline and after each 24hour experimental arm
Microvascular function
Skin blood flow response to local heating measured by laser doppler flowmetry
Time frame: At baseline and after each 24hour experimental arm
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