Obesity Clinical Trial
Official title:
Evaluating the Short-Term Effects of 3 Days of Caloric Restriction/Intermittent Fasting Using the Plexus(R) Program on Anthropometrics, Metabolism, Markers of Cardiovascular Health in Overweight/Obese Men and Women
Verified date | December 2022 |
Source | Skidmore College |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this study is to document the efficacy of a 3 day intermittent fasting/caloric restriction (IF/CR) using the Plexus® 3 day reset program on body weight as well as regulatory parameters of metabolism and metabolic flexibility. This study will provide data on the acute efficacy regarding the program but also identify the potential underlying physiological mechanisms through which the dietary intervention may elicit improvements, and the participant experience of the program. Collectively, this will provide a window into the possible adaptations with a longer-term dietary intervention.
Status | Completed |
Enrollment | 15 |
Est. completion date | November 17, 2022 |
Est. primary completion date | September 7, 2022 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 25 Years to 65 Years |
Eligibility | Inclusion Criteria: - Overweight or obese (body mass index, BMI > 27.5 kg/m2) - Weight stable (± 4.4 lb) for > 6 months prior - 25 to 65 years of age - Participants will be expected to be otherwise relatively healthy without uncontrolled chronic disease (e.g. cardiovascular, metabolic, or pulmonary) and 2 or fewer positive risk factors for cardiovascular disease (CVD) (e.g. high blood pressure, high cholesterol, etc) as described by the American College of Sports Medicine (ACSM)/American Heart Association (AHA) Criteria. - Cleared by Physician Exclusion Criteria: - Subjects who present with more than 2 CVD risk factors (AHA/ACSM criteria) or have uncontrolled/overt cardiovascular, pulmonary, or metabolic disease (Diabetes Mellitus) - Not cleared by their physician. - Recent blood donation (<8 weeks) - Those who have cancer or are being treated for cancer. - Women who are currently pregnant, breastfeeding, attempting to conceive, or amenorrheic (not associated with menopause). - Anyone who presents with food allergies to coconuts, dairy, soy, stevia, or nuts will also be excluded. - Those with eating disorders should not partake in this study. |
Country | Name | City | State |
---|---|---|---|
United States | Skidmore College | Saratoga Springs | New York |
Lead Sponsor | Collaborator |
---|---|
Skidmore College |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in body weight | Change in total body weight | (days 0 and 4) | |
Secondary | Change in total body water | Assessed via bioelectric impedance analysis (BIA) | (days 0 and 4) | |
Secondary | Change in body fat (%) | Assessed via bioelectric impedance analysis (BIA) | (days 0 and 4) | |
Secondary | Change in lean mass (kg) | Assessed via bioelectric impedance analysis (BIA) | (days 0 and 4) | |
Secondary | Change in waist circumference | Changes in waist circumference (cm) using Gulick tape measure | (days 0 and 4) | |
Secondary | Change in hip circumference | Changes in hip circumference (cm) using Gulick tape measure | (days 0 and 4) | |
Secondary | Changes in waist to hip ratio | Changes in waist:hip ratio derived from waist and hip circumferences | (days 0 and 4) | |
Secondary | Change in resting metabolic rate | Change in resting metabolic rate assessed using the ventilated hood technique and indirect calorimetry (TrueOne2400, Parvomedics). | (days 0 and 4) | |
Secondary | Change in substrate utilization | Change in resting-fasted substrate utilization (Fat vs. Carbohydrate) using the ventilated hood technique and indirect calorimetry (TrueOne2400, Parvomedics). | (days 0 and 4) | |
Secondary | Change peripheral blood pressure | Changes in peripheral blood pressure assessed using oscillometric cuff technique on the brachial artery (Sphygmocor Xcel). | (days 0 and 4) | |
Secondary | Change in central blood pressure | Change in estimated central blood pressure, assessed using oscillometric cuff technique and generalized transfer function (Sphygmocor Xcel). | (days 0 and 4) | |
Secondary | Change in augmentation index | Changes in augmentation index (a marker of vascular stiffness) will be assessed using oscillometric cuff technique and generalized transfer function (Sphygmocor Xcel). | (days 0 and 4) | |
Secondary | Change in heart rate variability | Changes in time-domain based heart rate variability will be assessed using standard ECG with subsequent automated analysis with artifact correction (H7 PolarUSA and Elite HRV). | (days 0 and 4) | |
Secondary | Changes in blood lipid profile | Changes in blood lipids (total Cholesterol, TC; low density lipoprotein LDL Cholesterol; high density lipoprotein, HDL Cholesterol; and TC:HDL ratio) will be assessed using standard techniques (Cholestech System) | (days 0 and 4) | |
Secondary | Changes in blood glucose regulation | Changes in fasting blood glucose and insulin using standard techniques. | (days 0 and 4) | |
Secondary | Changes in blood markers of inflammation | Changes in blood inflammatory markers (Tumor Necrosis Factor alpha (TNFa) and Cortisol) using standard techniques. | (days 0 and 4) | |
Secondary | Changes in circulating regulators of metabolism | Changes in blood levels of the metabolically active hormones (thyroid stimulating hormone (TSH), protein yy (PYY), neuropeptide y (NPY), Ghrelin, and Leptin) using standard biochemical techniques. | (days 0 and 4) | |
Secondary | Changes in perceptual indicators | Changes in self-reported sensations of hunger, fullness, satiety, and gastrointestinal discomfort will be assessed using visual analog scales (VAS). The VAS is 100 mm line ranging from 0 to 100, where a participant who marks 0 indicates "none" (not hungry at all or no gastrointestinal distress) vs. marking at 100 would indicate the maximal response ("severely hungry" or "severe gastrointestinal distress"). The hunger, fullness, and satiety ratings are not necessarily worse or better type outcomes, but simply descriptive. The magnitude is quantified by measuring the distance the participant marks on the 100mm line. In the case of gastrointestinal distress, scores over 51, or large increases in GID would be considered a less favorable outcome and the higher the score the worse the outcome on this specific item. | Days 0 through 4 | |
Secondary | Changes in sleep health | Changes in sleep quantity and quality will be assessed using the consensus sleep diary, core form. This form records times for going to sleep, falling asleep, waking during the night, waking in the morning. There is only one likert type item which ask participants to subjectively rate the quality of sleep from very poor to very good, and reports of poor or very poor sleep would be considered worse outcomes, particularly those with changes in response to the dietary outcome. | Days 0 through 4 |
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