Healthy Clinical Trial
Official title:
Does Daily Supplementation With Glutathione Alter Immunity, Upper Respiratory Tract Infection, and Oxidative Stress in Individuals Training for a Half Marathon Race
NCT number | NCT03725241 |
Other study ID # | 18-100 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | October 29, 2018 |
Est. completion date | May 1, 2020 |
Verified date | November 2020 |
Source | University of North Texas, Denton, TX |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The aim of this study is to determine the effects of glutathione supplement on the immune cell response and symptomatology of upper respiratory health, and antioxidant capacity in healthy people in exercise-induced model.
Status | Completed |
Enrollment | 84 |
Est. completion date | May 1, 2020 |
Est. primary completion date | May 1, 2020 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 19 Years to 45 Years |
Eligibility | Inclusion Criteria: - Generally healthy, male or female. - Between the ages of 19-45 years. - Have no medical restrictions and no health conditions that would inhibit participant from marathon run. - Be willing and able to comfortably abstain from any food supplements. - Not participating as a subject in another study. Exclusion Criteria: - BMI < 20.0 or > 28.5. - Current or prior use of tobacco products or other inhaled substance. - More than a moderate intake of alcohol (>1 drink per day in women; >2 drinks per day in men). - Metabolic or inflammatory disease. - Excellent fitness based on the American College of Sports Medicine criteria for VO2max based on age and gender. - Recent weight loss of >10 pounds in the last 3-months. - Daily intake of ibuprofen, acetaminophen, aspirin, polyphenol supplements, multivitamins, and/or antioxidant supplements. - Actively attempting (or planning) to lose or gain weight and/or alter body composition. - Currently taking cholesterol-lowering medications. - Currently taking prescription anti-inflammatory medications. - Currently using mouthwash on a regular basis (>4 times per week). - Orthopedic problems that would limit running capacity. - Currently in very poor or poor fitness. - Highly aerobic exercise trained. - Pregnant or planning to become pregnant during the study period. - Breast feeding - Currently taking blood pressure medications. - Contraindications to strenuous exercise. - Anemic (blood hemoglobin <10 g/dL and/or hematocrit <35%). - Diagnosed with asthma or other lung disease. |
Country | Name | City | State |
---|---|---|---|
United States | University of North Texas | Denton | Texas |
Lead Sponsor | Collaborator |
---|---|
University of North Texas, Denton, TX | Kirin Holdings Co, Ltd |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in Complete Blood Count (CBC) | CBC will be drawn and white blood cell count will be evaluated as an indicator of infection. | Evaluated at baseline, week 12 and week 16 | |
Primary | Change in Erythrocyte Sedimentation Rate (ESR) | ESR will be measured as a marker of systematic inflammation | Evaluated at baseline, week 12 and week 16 | |
Primary | Change in mucosal immunity | Salivary Immunoglobulin concentrations will be tracked as a marker of the bodies ability to mount a first line defense against viruses and other pathogens | Evaluated at baseline, week 12 and week 16 | |
Primary | Change in T-cell population | Shifts in the T-cell concentration and population phenotypes will be tracked as a marker for readiness to fight infection | Evaluated at baseline, week 12 and week 16 | |
Primary | Change in T-cell response to Group A Streptococci Antigen | Measurements will provide insight regarding the in vitro capacity of the body to respond to the most common virus causing URTI | Evaluated at baseline, week 12 and week 16 | |
Secondary | Survey based tracking of upper respiratory tract infection symptoms | Tracking of symptoms allows for calculation of % healthy vs % sick days | Continuous for 18 weeks | |
Secondary | Incident specific tracking of upper respiratory tract infections (URTI) | Incidence tracking of URTI allows for evaluation of comparative number, severity and recovery time from URTI | Continuous for 18 weeks | |
Secondary | Changes in Thiobarbituric acid reactive substances (TBARs) | TBARs are a direct index of the state of lipid peroxidation which is a marker of oxidative stress | Evaluated at baseline, week 12 and week 16 | |
Secondary | Changes in Glutathione (GSH)/Glutathione disulfide (GSSG) ratio in blood | The ratio of reduced glutathione to oxidized glutathione will be analyzed as a marker of oxidative stress and antioxidant capacity | Evaluated at baseline, week 12 and week 16 |
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