The prevention of colds and flus with Echinacea for long economy flights

Investigations into the effectiveness of a standardised Echinacea preparation in preventing colds, flus and other respiratory disorders for air-travellers on long economy flights

Status

Completed

Phases

Unknown

Study type

Interventional

Source

ANZCTR

Registry ID

ACTRN12609000328279

Enrollment

300

Registered

2009-05-22

Start date

2009-03-09

Completion date

Unknown

Last updated

2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

Echinacea has shown immuno-modulating effects and this study will investigate the efficacy of an echinacea preparation in the prevention of respiratory and other symptoms associated with air travel.

Interventions

Intervention tablets contain 675mg herb equivalent of Echinacea purpurea and 600mg herb equivalent of Echinacea angustifolia. Participants will take 1 tablet twice a day for 2 weeks prior to travel, 2 tablets twice a day when flying, 1 tablet twice a day during their time away. If the participant experiences symptons of a cold or flu, they will take 3 tablets twice a day for a maximum of 4 days before returning to the normal 1 tablet twice a day dose.

Study design

Allocation

Randomised controlled trial

Intervention model

Parallel

Primary purpose

Prevention

Masking

Blinded (masking used)

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Healthy volunteers

Yes

Inclusion criteria

travel via economy class from Australia to Europe or North America travel period is between 2 and 4 weeks Participants must be in good health with no colds in the 2 weeks before they start the trial

Exclusion criteria

pollen/plant allergy lactation or pregnancy diagnosed respiratory disease

Outcome results