Preventive effects of Echinacea extract on cold and flu symptoms
Not Applicable
Completed
- Conditions
- pper respiratory tract infections (URTIs)RespiratoryUpper respiratory tract infections (URTIs)
- Registration Number
- ISRCTN46631134
- Lead Sponsor
- niversity of Wolverhampton
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 120
Inclusion Criteria
1. Aged 18-65
2. Generally healthy
Exclusion Criteria
1. Gastrointestinal ailments at the time of the study
2. Previous anaphylactic shock
3. Proneness to food allergies (specifically including sunflower seeds)
4. Severe eczema
5. Autoimmune disorders such as lupus or rheumatoid arthritis
6. Pregnant or breastfeeding
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method pper respiratory tract infection incidence and severity, assessed at the baseline and weekly for the 8 week trial period using the severity scale of Grimm and Muller
- Secondary Outcome Measures
Name Time Method <br> 1. The following baseline personal data, assessed by study investigators on a study-designed form following recruitment and prior to week 1 of the intervention dose period:<br> 1.1. Gender<br> 1.2. Age<br> 1.3. BMI<br> 2. The following lifestyle information, assessed using a self-report questionnaire at approximately week 4 of the intervention dose period:<br> 2.1. Accomodation<br> 2.2. Transport<br> 2.3. Dietary supplements<br> 2.4. Stress<br> 2.5. Alcohol intake<br> 2.6. Smoking<br> 2.7. Exercise<br> 3. Diet, assessed using a self-report diet diary form at week 4 of the intervention dose period<br> 4. Subjective perceptions of benefit, side-effects and dose identification, assessed by questionnaire at week 8 of the intervention dose period<br>