nderstanding the hydration potential of commonly consumed drinks
Completed
- Conditions
- Hydration status monitoringNot Applicable
- Registration Number
- ISRCTN13014105
- Lead Sponsor
- niversity of Stirling (UK)
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Male
- Target Recruitment
- 72
Inclusion Criteria
1. Healthy male volunteers
2. Aged 18-35
3. BMI 18-27 kg/m2
4. No known cardiovascular, renal or metabolic disease
5. Moderately active
6. Moderate alcohol use
Exclusion Criteria
1. Overweight or obese (BMI >27 kg/m2)
2. Competitive athletes during competition season
3. Current or former cardiovascular, renal or metabolic disease
4. Habitual consumption of alcohol (>21 units/week) or regular (>1/week) high (10 units) intake
5. History of psychiatric illness
6. Actively seeking to gain or lose weight
7. Currently taking prescribed medication
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 1. Net fluid balance over each hour for 4 hours (fluid ingested minus cumulative urine output)<br>2. Hydration Index at each hour over 4 hours (net fluid balance comparison to water as a control)
- Secondary Outcome Measures
Name Time Method 1. Urine and serum osmolality at baseline and at each hour following fluid ingestion for 4 hours (freezing point depression method within 48 hours of sample collection)<br>2. Sodium and potassium net balance assessed immediately post-drinking and each hour following fluid ingestion for 4 hours (flame photometry method within 5 days of sample collection)<br>