Stress, Psychological Clinical Trial
Official title:
Effect of Low Doses of Vitamin C on Salivary Cortisol , Heart Rate , Blood Pressure During Group Presentation
Verified date | October 2019 |
Source | Kufa University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Vitamin C (ascorbic acid) is a well-known antioxidant that is involved in anxiety, stress, depression, fatigue and mood state in humans . The purpose of this study is to investigate the effect of low doses of vitamin C on decreasing the level of public speaking stress in term of salivary cortisol , blood pressure (systolic and diastolic) and heart rate . A purposive sample of (90) were included in this randomized placeboled trial study (60 students were given 500 mg of vitamin c per day for one week a group presentation while 30 other students were given placebo for one week before a group presentation) . Salivary cortisol was measured by means of commercial immunoenzymatic kits . Blood pressure (systolic and diastolic) and heart rate were measured immediately before and after presentation .
Status | Completed |
Enrollment | 90 |
Est. completion date | April 20, 2019 |
Est. primary completion date | March 1, 2019 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 20 Years to 60 Years |
Eligibility |
Inclusion Criteria: - students have a presentation Exclusion Criteria: - Exclusion criteria included : chronic diseases (DM , hypertension), hormonal disturbances, psychotic disorders, kidney stones and anemia . Students that have previous experience of public speaking were also excluded . |
Country | Name | City | State |
---|---|---|---|
Iraq | Kufa University | Najaf | Kufa |
Lead Sponsor | Collaborator |
---|---|
Kufa University |
Iraq,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Cortisol | levels of cortisol in saliva between 3-19 microg/l | for six months |
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