Emotional Stress Clinical Trial
— MOISTOfficial title:
Exploration of the Modulation of Skin Microbiota and Odor Components by Introduction of Stress in Healthy Male Subjects
Verified date | December 2017 |
Source | NIZO Food Research |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
In the MOIST study it will be assessed whether the adapted Sternberg short-term working
memory task (STMST) is an effective method to induce malodor formation by emotional stress,
as assessed by expert assessments of stress-induced malodor formation in the armpits of 30
healthy male volunteers.
Before, during and after being exposed to the adapted version of the STMST, saliva will be
collected to determine cortisol levels, subjects have to rate their momentary feelings of
anxiety and embarrassment and heart rate variability will be monitored continuously with a
wireless signal transmission device. Before and after exposure to the adapted STMST, malodor
levels will be assessed by two expert judges, axillary volatiles will be collected by cup
scrubbing and microbiota samples will be taken to determine microbial species.
Status | Completed |
Enrollment | 30 |
Est. completion date | March 17, 2018 |
Est. primary completion date | November 17, 2017 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Male |
Age group | 18 Years to 34 Years |
Eligibility |
Inclusion Criteria: 1. Male; 2. Age 18-34 yrs; 3. BMI between 18,5-25 kg/m2; 4. Healthy as assessed by the NIZO lifestyle and health questionnaire; 5. Non-smoking; 6. Signed informed consent; 7. Malodor score = 4= 8 as assessed by malodor judges 8. Access to internet; 9. Voluntary participation; 10. Willing to accept disclosure of the financial benefit of participation in the study to the authorities concerned; 11. Willing to accept use of all encoded data, including publication, and the confidential use and storage of all data for the study for at least 15 years; 12. Willing to accept information-transfer concerning participation in the study, or information regarding health, like laboratory results, findings at anamnesis or physical examination and eventual adverse events to and from his general practitioner; 13. Willing to comply with study procedures. Exclusion Criteria: 1. Alcohol consumption > 15 units/week and > 3/day; 2. Drug abuse; 3. Former participation in a cognitively challenging computer task or mental performance test; 4. Heavy exercise or sports training > 10 hours/week; 5. Hyperhidrosis , Hypohidrosis or Anhidrosis; 6. Known allergy to cosmetics; 7. Mental status that is incompatible with the proper conduct of the study; 8. Participation in any scientific study with oral, intravenous or inhalatory administration of any substances during two (2) months before study start that could interfere with the MOIST study; 9. Psychiatric disorders; 10. Use of anti-anxiety medications or beta-blockers, statins or blood pressure medication; 11. Use of antibiotics during the six (6) months prior to study start; 12. Use of topical medications in underarm area during 2 weeks prior to study start; 13. Recurring infections, boils, abscesses or lymph node enlargement in the underarm and ; 14. Active eczema or psoriasis on any portion of the body. 15. Personnel of the research institute(s) involved in execution of the study, their partner and their first and second degree relatives; 16. Not having a general practitioner, not allowing disclosure of participation to the general practitioner or not allow to inform the general practitioner about abnormal results. |
Country | Name | City | State |
---|---|---|---|
Netherlands | NIZO | Ede | Gelderland |
Lead Sponsor | Collaborator |
---|---|
NIZO Food Research | Procter and Gamble |
Netherlands,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | stress-induced malodor formation | Expert assessments of stress-induced malodor formation by emotional stress in the armpits of healthy male volunteers | Change from baseline malodour formation 20 min, 40 min, and 60 minutes after the start of exposure to the adapted STMST | |
Secondary | Salivary cortisol | Emotional stress in healthy male volunteers as assessed by cortisol in saliva | Change from baseline salivary cortisol 5 min, 20 min, 30 min, 40 min, 50 min, 60 min, and 70 minutes after the start of exposure to the adapted STMST | |
Secondary | Self-assessed mood state | Emotional stress in healthy male volunteers as assessed by self-assessed mood state (VAS) | Change from baseline self-assessed mood state 5 min, 20 min, 30 min, 40 min, 50 min, 60 min, 70 min, and 90 minutes after the start of exposure to the adapted STMST | |
Secondary | Malodor compounds formation | The malodor compounds formation as assessed by GC-MS/MS analyses during conditions of emotional sweating | Change from baseline malodour compounds formation 75 minutes after the start of exposure to the adapted STMST |
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