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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03559101
Other study ID # STUDY6412
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date May 25, 2017
Est. completion date December 18, 2017

Study information

Verified date June 2018
Source Penn State University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Older adults typically do not drink later in the day to avoid the necessity of interrupting sleep to urinate. Sometimes they also limit ingestion of fluids to avoid the need to urinate when engaged in certain activities such as traveling or attending an event. Therefore, beverages that have greater fluid retention in the body leading to a more sustained positive hydration status could be advantageous in such situations. The composition of a beverage as well as other factors such as volume ingested and metabolism of components can affect the retention of the fluid in the body. Age may be another factor. The beverage hydration index (BHI), first described in 2016, was used to indicate the hydration response to thirteen well-known beverages in young male adults. The current study assesses the BHI of four beverages and how that response is affected by age following the standardized protocol. The four beverages have been chosen for inclusion in this study because they have been used by older adults to prevent dehydration.


Description:

Subjects sign an informed consent form and undergo a medical screening prior to participation. The screening includes a physical exam, anthropometry, chemical and lipid profiles, as well as measures of liver and renal function. The subjects are assigned to one of two groups based upon age.

Subjects participate in five experimental trials, one for each of the five beverages. The beverages are commercially-available and contain ingredients that are generally recognized as safe (GRAS). The order of the beverages is randomized. The list of ingredients on the bottle containing the beverage is obscured. The trials are identical and separated by at least five days. For each experiment, baseline measurements are conducted. Then the subjects consume one liter of the test beverage over thirty minutes. Additional measurements are performed thirty minutes post ingestion and then every hour for four hours post ingestion.

This study yields two BHI numbers for each beverage, one number for each study-group. The BHI numbers are indicative of the amount of fluid remaining in the body four hours after consumption of the beverage. The BHI number is inversely related to the amount of urine produced over the four hours. A greater BHI number indicates better fluid retention and maintenance of plasma volume.


Recruitment information / eligibility

Status Completed
Enrollment 32
Est. completion date December 18, 2017
Est. primary completion date December 18, 2017
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 90 Years
Eligibility Inclusion Criteria:

- 18-30 years or =60 years

Exclusion Criteria:

- cardiovascular, renal, or digestive diseases

- pregnancy

- breastfeeding

- smoking and/or use of nicotine-containing products

- illegal/recreational drug use

- medications that alter fluid balance (e.g., diuretics)

- allergy to Latex

- men with prostate issues that interfere with urination.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Distilled water
Commercially available beverage Subjects collect all morning urine and drink 500 milliliters of water. Baseline vital measurements (heart rate, blood pressure, oral temperature) and body weight collected Baseline blood samples and urine collected Beverage pretreatment consumed (1 liter over 30 minutes) Body weight measured and blood and urine collected at 5 minutes, 10 minutes, 15 minutes, and then every 30 minutes for 4 hours post beverage consumption
Medical Food 1
Commercially available beverage Subjects collect all morning urine and drink 500 milliliters of water. Baseline vital measurements (heart rate, blood pressure, oral temperature) and body weight collected Baseline blood samples and urine collected Beverage pretreatment consumed (1 liter over 30 minutes) Body weight measured and blood and urine collected at 5 minutes, 10 minutes, 15 minutes, and then every 30 minutes for 4 hours post beverage consumption
Medical Food 2
Commercially available beverage Subjects collect all morning urine and drink 500 milliliters of water. Baseline vital measurements (heart rate, blood pressure, oral temperature) and body weight collected Baseline blood samples and urine collected Beverage pretreatment consumed (1 liter over 30 minutes) Body weight measured and blood and urine collected at 5 minutes, 10 minutes, 15 minutes, and then every 30 minutes for 4 hours post beverage consumption
Pedialyte
Commercially available beverage Subjects collect all morning urine and drink 500 milliliters of water. Baseline vital measurements (heart rate, blood pressure, oral temperature) and body weight collected Baseline blood samples and urine collected Beverage pretreatment consumed (1 liter over 30 minutes) Body weight measured and blood and urine collected at 5 minutes, 10 minutes, 15 minutes, and then every 30 minutes for 4 hours post beverage consumption
Gatorade
Commercially available beverage Subjects collect all morning urine and drink 500 milliliters of water. Baseline vital measurements (heart rate, blood pressure, oral temperature) and body weight collected Baseline blood samples and urine collected Beverage pretreatment consumed (1 liter over 30 minutes) Body weight measured and blood and urine collected at 5 minutes, 10 minutes, 15 minutes, and then every 30 minutes for 4 hours post beverage consumption

Locations

Country Name City State
United States Pennsylvania State University University Park Pennsylvania

Sponsors (1)

Lead Sponsor Collaborator
W. Larry Kenney

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Beverage hydration index (BHI) Indicative of amount of fluid remaining in body four hours post consumption of beverage. Inversely related to amount of urine produced over 4 hours. Larger BHI number indicates better fluid retention and maintenance of plasma volume. One BHI for each beverage for each age group is calculated and reported through study completion, an average of 1 year.
Secondary Body Mass Body weight measured on scale Baseline before consumption of beverage and then 5 minutes, 10 minutes, 15 minutes, and then every 30 minutes for 4 hours post beverage consumption
Secondary Urine Mass Weight of urine produced Baseline before consumption of beverage and then 5 minutes, 10 minutes, 15 minutes, and then every 30 minutes for 4 hours post beverage consumption
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