An interventional study of DASH eating plan with eggs and DASH eating plan without eggs in Hyperlipidemias, sponsored by Griffin Hospital. Status unknown at 1 site in United States. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2023-04-11.
Sponsored by Griffin Hospital · Not applicable, Interventional, and Prevention
This randomized, cross-over design, controlled trial will assess the effects of 8 weeks of daily inclusion of 2 whole eggs in the Dietary Approaches to Stop Hypertension (DASH) eating plan, compared with their exclusion, on cardio-metabolic risk markers and diet quality in hyperlipidemic adults.
This randomized, cross-over design, controlled trial will assess the effects of 8 weeks of daily inclusion of 2 whole eggs in the Dietary Approaches to Stop Hypertension (DASH) eating plan, compared with their exclusion, on cardio-metabolic risk markers, and diet quality in hyperlipidemic adults. Participants will be randomized to receive 1 of 2 treatment sequence permutations (i.e., DASH eating plan with eggs and DASH eating plan without eggs), with an 8-week washout period between treatment assignments. After randomization, participants will undergo a 4-week run-in period of a DASH eating plan without egg products before initiating the first of 2 treatment phases in their randomly-assigned sequence permutation.
Specific Aims
821 studies on the registry are indexed under Hyperlipidemias; 105 are open to participants now.
This study's planned enrollment of 45 is below the median of 87 across 691 interventional studies indexed under Hyperlipidemias.
Browse Hyperlipidemias studies →Griffin Hospital is the lead sponsor of 25 studies on the registry; 1 is open to participants now.
Counted across the registry records on this site, refreshed daily.
Exclusion Criteria:
Participants will receive dietary guidance to follow the DASH eating plan with the addition of 2 whole eggs daily during this 8-week treatment period.
Other: DASH eating plan with eggs
Participants will receive dietary guidance to follow the DASH eating plan while excluding eggs from their eating plan during this 8-week treatment period.
Other: DASH eating plan without eggs
Participants will receive guidance to follow a DASH dietary pattern tailored to their caloric requirements and their personal and cultural food preferences, along with sample meal plans and other supplemental educational materials to help them adopt and maintain the dietary pattern during this study. During this 8-week phase, they will also be instructed to eat 2 whole eggs per day to supplement the DASH eating pattern.
Participants will receive guidance to follow a DASH dietary pattern tailored to their caloric requirements and their personal and cultural food preferences, along with sample meal plans and other supplemental educational materials to help them adopt and maintain the dietary pattern during this study. During this 8-week phase, they will also be instructed to exclude eggs from their diet on a daily basis.
Endothelial function, % flow-mediated dilatation
Endothelial function measured as percent flow-mediated dilatation in the right brachial artery.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Serum LDL cholesterol, mg/dL
Serum low-density lipoprotein (LDL) will be calculated using the formula LDL = Tchol - (TG/5 + HDL). See below for secondary outcome measures of total cholesterol (Tchol), high-density lipoprotein (HDL) and triglycerides (TG).
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
High sensitivity C-reactive protein (CRP), mg/dL
CRP will be measured from the serum using a high sensitivity CRP ELISA method, from blood samples collected at each visit by a certified phlebotomist in the Griffin Hospital laboratory.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Total cholesterol (Tchol), mg/dL
Tchol values will be directly measured from participants' serum from blood samples collected at each visit by a certified phlebotomist in the Griffin Hospital laboratory.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Triglycerides (TG), mg/dL
TG values will be directly measured from participants' serum from blood samples collected at each visit by a certified phlebotomist in the Griffin Hospital laboratory.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
High-density lipoprotein (HDL), mg/dL
HDL values will be directly measured from participants' serum from blood samples collected at each visit by a certified phlebotomist in the Griffin Hospital laboratory.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Total/HDL cholesterol ratio
The total/HDL cholesterol ratio is calculated by dividing the total cholesterol level in mg/dL by the HDL cholesterol level in mg/dL.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Systolic blood pressure (SBP), mm Hg
Systolic blood pressure will be measured using a Dinamap Monitor Pro 100 (GE Healthcare, Piscataway, NJ). It will be measured (average of 2 measurements with 5 minutes between measurements) with the participant sitting in a quiet room.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Diastolic blood pressure (DBP), mm Hg
Diastolic BP will be measured using a Dinamap Monitor Pro 100 (GE Healthcare, Piscataway, NJ). It will be measured (average of 2 measurements with 5 minutes between measurements) with the participant sitting in a quiet room.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Mean arterial blood pressure, mm Hg
Mean arterial blood pressure is calculated as ( 2\*DBP + SBP)/3
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Fasting blood glucose, mg/dL
Glucose levels will be measured from serum of blood samples collected at each visit by a certified phlebotomist in the Griffin Hospital laboratory. Participants will be asked to fast at least 8 hours prior to blood sample collection.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Fasting insulin, mIU/L
Insulin levels will be measured from serum of blood samples collected at each visit by a certified phlebotomist in the Griffin Hospital laboratory. Participants will be asked to fast at least 8 hours prior to blood sample collection.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Homeostatic Model Assessment for Insulin Resistance (HOMA-IR)
Insulin resistance (HOMA-IR) will be calculated by multiplying the participant's glucose (mg/dL) and insulin (mIU/L) divided by 405.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Satiety, measured on a Visual Analogue Scale (VAS)
At the end of each 8-week treatment period, following an 8-hour fast, subjective satiety will be assessed using an ordinal Visual Analogue Scale (VAS) self-administered to participants by the study coordinator at a predetermined time relative to the consumption of a meal or snack. Participants will be asked to complete the VAS at 0 minute, and at 30-minute intervals up to 120 minutes after consuming the meal or snack. The VAS has 5 questions that ask participants to rate the strength of specific sensations that they are feeling (i.e., hunger, thirst, amount of food that they could eat "right now", nausea, and fullness) by placing a vertical mark on a corresponding scale in response to each question. A composite score from each of the 5 scales will then be used by the study coordinator to estimate a total value for satiety.
Time frame: At the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Body weight, kilograms
Body weight will be measured by a clinical research specialist to the nearest 0.5 kilogram using a balance-type medical scale. Participants will be measured in the morning (fasting), unclothed except for undergarments.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Body mass index (BMI) (weight in kg/height in meters squared)
The Tanita SC-240 Body Composition Analyzer (Tokyo, Japan) will be used by a clinical research specialist in the PRC lab by asking the participant to stand on the scale. Weight will be measured using the SC-240 Analyzer. Height will be measured on a balance scale and will be manually entered into the Tanita Analyzer, which will be combined with the weight measure to calculate BMI.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Body fat, %
The Tanita SC-240 Body Composition Analyzer (Tokyo, Japan) will be used by a clinical research specialist in the PRC lab by asking the participant to stand on the scale. The SC-240 Analyzer uses bioelectrical impedance analysis to calculate body fat%.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Body water, %
The Tanita SC-240 Body Composition Analyzer (Tokyo, Japan) will be used by a clinical research specialist in the PRC lab by asking the participant to stand on the scale. The SC-240 Analyzer uses bioelectrical impedance analysis to calculate total body water%.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Visceral fat rating
The Tanita SC-240 Body Composition Analyzer (Tokyo, Japan) will be used by a clinical research specialist in the PRC lab by asking the participant to stand on the scale. The SC-240 Analyzer uses bioelectrical impedance analysis to calculate a rating for visceral fat located deep in the core abdominal area. A rating in the range of 1 to 12 indicates a healthy level of visceral fat. A rating in the range of 13 to 59 indicates an excess level of visceral fat.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Waist circumference, cm
Waist circumference will be measured using the U.S. government standard protocol. A clinical research specialist will ask the participant to stand and will place a measurement tape around the participant's waist, at the level of the belly button. The clinical research specialist will ensure that the tape is horizontal around the participant's waist, and will then keep the tape snug around the participant's waist while not compressing the skin, and will measure her/his waist just after exhaling.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Diet quality, using the Healthy Eating Index 2015 (HEI-2015)
To track any variation in dietary pattern over the course of the study, participants will be asked to provide information on the foods and beverages consumed during a 3-day period (i.e., 2 weekdays and 1 weekend day). For each 3-day period, participants will complete three 24-hour recalls using a web-based Automated Self-Administered 24-Hour Recall (ASA24), a dietary assessment software program that will guide them through the process of completing the recall data; these data (which will be captured and stored within the ASA24 program's database) will be reviewed by a member of the study team. Diet quality based on the information provided will be assessed using the Healthy Eating Index 2015 (HEI-2015), which will generate a scale ranging from 1-100, with a higher value indicating a relatively better overall quality of the diet.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Physical activity level (PA), kilocalories
Participants' PA levels will be assessed by the study coordinator using the Seven-Day Physical Activity Recall questionnaire (PAR) in the course of a semi-structured interview. The PAR is a valid and reliable tool to estimate the total amount of kilocalories expended on physical activity in adults during the past week. It asks participants to report the amount of time spent in the past week on household and yard-work activities, occupational activity, transport, leisure time physical activity and sedentary behavior. The type, duration in hours, and level of intensity of reported physical activities are then used to estimate the total amount of kilocalories expended on PA during the past week.
Time frame: Change from baseline at the end of each 8-week treatment period: DASH eating plan with eggs; DASH eating plan without eggs
Plan to share: No
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