A study of the preventive effects of an Echinacea extract upon the occurrence of respiratory infections in healthy students

Not Applicable

Completed

• Conditions: pper respiratory tract infections; Respiratory; Upper respiratory tract infections

• Registration Number: ISRCTN16713057
• Lead Sponsor: niversity of Wolverhampton

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Completion: 2001-05-31
• Study Start: 2018-11-22
• Last Update Posted: 3 May 2021

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 60

Inclusion Criteria

1. Age: 18-30 years
2. Male or female
3. Occupation: student
4. Health status: healthy

Exclusion Criteria

1. Gastro-intestinal (i.e., gut) 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
Incidence of illness and number of days of illness in each week - frequency of symptoms of infectious illness related to immunity (e.g., flu, cold, mouth ulcers) measured using appropriate scoring methods, and investigators monitor subjects' compliance and collect information regarding incidence/symptoms of infection weekly by pre-arranged telephone contact