Oral Rehydration Solution in Healthy Adults

Study Overview
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Brief Summary
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This is a prospective, randomized, controlled, blinded, crossover study to evaluate the effects of an oral hydration solution.

Official Title
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Effects of Oral Rehydration Solution on Dehydration Recovery in Adults

Conditions
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Dehydration

Intervention / Treatment
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* Other: Oral Rehydration Solution (ORS)
* Other: Water


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Participant is 18 to 40 years of age. Participant has a body mass index (BMI) ≥ 18 and ≤ 30 kg/m2 Participant reports having a moderate to heavy sweat rate when physically exerted or in extreme heat Participant is male or non-pregnant, non-lactating female, at least 6 weeks postpartum prior to screening visit. Participant is normotensive without the use of antihypertensive medications. Participant reports no predisposing cardiovascular conditions. If female, participant has a regular menstrual cycle Participant is willing to consume grape-flavored beverages during the study. If participant is on chronic medication the dosage must be constant for at least 2 months prior to enrollment and able to maintain medication, type and dose throughout duration of study Participant is weight-stable for the two months prior to screening visit Participant has voluntarily signed and dated an informed consent form (ICF), approved by an IRB, and provided applicable privacy regulation authorization prior to any participation in the study Participant has no known intolerance or allergy to ingredients in study products Participant is willing to refrain from using saunas or hot tubs for the duration of the study Participant is able and willing to follow study procedures and complete any forms or assessments needed during the study Exclusion Criteria: Participant is a current or recent (the past 8 weeks) participant in a weight-conscious sport such as but not limited to wrestling, powerlifting, boxing, rowing, gymnastics or any martial arts, with participation defined as ≥ 3x weekly training Participant is currently, and for the past 4 weeks or longer: running >40 miles per week on average, cycling >80 miles per week on average or swimming >20,000 yards per week on average Participant is participating in another study that has not been approved as a concomitant study Participant has used a sauna in the past 4 weeks Participant uses any form of tobacco or nicotine, or other controlled substance not prescribed by a physician Participant has previous history with heat illness or injury that resulted in a visit to a medical center in the past 12 months Participant has an eating disorder, severe dementia or delirium, history of significant neurological or psychiatric disorder, alcoholism, substance abuse or other conditions that may interfere with study product consumption or compliance with study protocol procedures Participant is currently taking or has taken antibiotics within 6 weeks of enrollment Participant is currently taking or has taken a diuretic within 1 week of enrollment Participant has been diagnosed with the following: Acute or chronic infections including but not restricted to respiratory infections, diarrhea, Hepatitis B or C, HIV infection or tuberculosis Severe gastrointestinal disorders such as celiac disease, short bowel syndrome, pancreatic insufficiency, or cystic fibrosis Metabolic [including diabetes], renal, hepatic, or respiratory disease Active malignancy Polycystic ovary disease Any other clinically significant medical condition, which in the investigator's opinion, makes him or her unsuitable for inclusion in the study

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 40 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Other
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Quadruple


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Oral Rehydration Solution<br>Oral rehydration solution with carbohydrate | Other: Oral Rehydration Solution (ORS)<br>* Participants will be administered the ORS during one of the study visits<br>|
| Experimental: Water<br>Water with flavor | Other: Water<br>* Participants will be administered water during one of the study visits<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Plasma Volume | Calculated Change in Plasma Volume | Through Study completion, an average of 2 weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Body Mass | Body Mass Loss | Through Study completion, an average of 2 weeks | 
| Hydration Status Urine | Change in Urine Osmolality | Through Study completion, an average of 2 weeks | 
| Blood Biomarker - Plasma Osmolality | Change in Plasma Osmolality | Through Study completion, an average of 2 weeks | 
| Blood Biomarker - Plasma Electrolyte Concentration | Change in Electrolyte Concentration | Through Study completion, an average of 2 weeks | 
| Blood Biomarker - Glucose Concentration | Change in Plasma Glucose Concentration | Through Study completion, an average of 2 weeks | 
| Body Temperature | Change in degrees Celsius | Through Study completion, an average of 2 weeks |