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Whole Foods versus Supplements to Reduce Oxidative Stress in the Airways

A placebo-controlled, cross-over, supplementation trial establishing the comparative efficacy of lycopene capsules and tomato juice on airway hyperresponsiveness in stable asthma

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12605000125628
Enrollment
32
Registered
2005-08-11
Start date
2004-05-27
Completion date
2005-09-14
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

This study examines the ability of oral lycopene supplements (provided in the form of tomato extract capsules and tomato juice) to improve biochemical and clinical markers in stable asthma

Interventions

Subjects receive three treatments in random order, each for 7 days. The treatments are tomato juice (840mL/day), lycomato extract (3 capsules /day) and placebo (3 capsules /day). The tomato juice and lycomato provide a lycopene dose of 45mg /day. Before and between each treatment subjects undergo a 10 day washout period on a low antioxidant diet.

Sponsors

Hunter New England Area Health Service
Lead SponsorGovernment body

Study design

Allocation
Randomised controlled trial
Intervention model
Crossover
Primary purpose
Treatment
Masking
Open (masking not used)

Eligibility

Sex/Gender
All
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

Current asthmatics.

Exclusion criteria

1.) Current smokers2.) Other respiratory diseases3.) Unable to produce sputum sample4.) Currently using vitamin or herbal supplement.

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026