Analysis of the immunomodulatory effects of Echinacea

investigations into the effects of supplementation with echinacea on parameters of the immune response in healthy adults

Status

Completed

Phases

Phase 2

Study type

Interventional

Source

ANZCTR

Registry ID

ACTRN12609000417280

Enrollment

Registered

2009-06-05

Start date

2009-05-20

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

It is widely accepted that stimulation of the immune system is responsible for the perceived benefits of Echinacea. This study will examine the prophylactic use of echinacea on white cell counts, natural killer cell functionality, heat shock protein expression and echinacea pharmacokinetics.

Interventions

The tablets contain 675mg herb equivalent of Echinacea purpurea and 600mg herb equivalent of Echinacea angustifolia. Participants will take 2 tablets twice a day for 2 weeks

Study design

Allocation

Non-randomised trial

Intervention model

Single group

Primary purpose

Prevention

Masking

Open (masking not used)

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Healthy volunteers

Yes

Inclusion criteria

Healthy individuals exhibiting no sign of respiratory illness in the 2 weeks before the trial commences.

Exclusion criteria

Plant/pollen allery Lactation or pregnancy Diagnosed respiratory disease

Outcome results