Register a trial

Please note the ANZCTR will be unattended from Friday 20 December 2024 for the holidays. The Registry will re-open on Tuesday 7 January 2025. Submissions and updates will not be processed during that time.

Registering a new trial?

To achieve prospective registration, we recommend submitting your trial for registration at the same time as ethics submission.

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been endorsed by the ANZCTR. Before participating in a study, talk to your health care provider and refer to this information for consumers
Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT04786392




Registration number
NCT04786392
Ethics application status
Date submitted
26/02/2021
Date registered
8/03/2021

Titles & IDs
Public title
Food or Supplemental Lutein Absorption
Scientific title
Lutein Absorption Consumed as Supplement, Blended Food, or Wholefood Over 24-hours.
Secondary ID [1] 0 0
2020002809
Universal Trial Number (UTN)
Trial acronym
FSLA20
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Macula Lutea Opacity 0 0
Condition category
Condition code

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Other - Lutein supplement
Other interventions - Food, blended
Other interventions - Food, unprocessed

Active comparator: Lutein supplement - Supplement containing 5 mg powdered lutein, capsule filler microcrystalline cellulose.

To be administered once.

Experimental: Blended food beverage - Blended food beverage containing 5 mg lutein from baby spinach. To be administered/consumed once.

Experimental: Whole food - Consumption of 5 mg of lutein from baby spinach. To be administered/consumed once.


Treatment: Other: Lutein supplement
5 mg lutein supplement.

Other interventions: Food, blended
5 mg lutein from baby spinach, blended.

Other interventions: Food, unprocessed
5 mg lutein from baby spinach, in whole food form.
Intervention code [1] 0 0
Treatment: Other
Intervention code [2] 0 0
Other interventions
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Plasma lutein concentration
Timepoint [1] 0 0
Study visit 1 (24 hours), Study visit 2 (24 hours), study visit 3 (24 hours)
Secondary outcome [1] 0 0
Plasma lutein maximum concentration
Timepoint [1] 0 0
Study visit 1 (24 hours), Study visit 2 (24 hours), study visit 3 (24 hours)
Secondary outcome [2] 0 0
Macular pigment optical density
Timepoint [2] 0 0
Study visit day 1, day 8, day 15
Secondary outcome [3] 0 0
Daily dietary lutein and zeaxanthin intake
Timepoint [3] 0 0
Study visit day 1
Secondary outcome [4] 0 0
Daily dietary lutein and zeaxanthin intake
Timepoint [4] 0 0
Study visit day 1, day 8, day 15

Eligibility
Key inclusion criteria
* Male and females 18 to 40 years.
* Generally healthy.
* No participant reported history of clinically significant medical conditions including, but not limited to, cardiovascular, neurological, psychiatric, renal, immunological, endocrine (including uncontrolled diabetes or thyroid disease) or haematological abnormalities that are uncontrolled.
* Non-smoker.
* English language proficiency
Minimum age
18 Years
Maximum age
40 Years
Sex
Both males and females
Can healthy volunteers participate?
Yes
Key exclusion criteria
* Participant reported diagnosis of serious ocular conditions (e.g. cataracts, glaucoma, diabetic retinopathy, retinitis pigmentosa, Stagardt's disease)
* Participant reported diagnosis, or current treatment of age-related macular degeneration.
* Participant reported diagnosis of epilepsy.
* Participant aversion, intolerance or allergy to study foods to be consumed (spinach, ginger, lemon, apple, flaxseeds)
* A female currently pregnant or trying to fall pregnant.
* Current or past smoker (within last 12 months).
* Under 18 or over 40 years of age.
* Currently taking a lutein supplement or consuming large amounts of foods containing lutein on a regular basis (>3 days per week).

Study design
Purpose of the study
Other
Allocation to intervention
Non-randomised trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Crossover
Other design features
Phase
Phase 1
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Withdrawn
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
1/06/2021
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
1/06/2021
Actual
Sample size
Target
Accrual to date
Final
0
Recruitment in Australia
Recruitment state(s)
QLD
Recruitment hospital [1] 0 0
School of Human Movement and Nutrition Sciences, The University of Queensland - Saint Lucia
Recruitment postcode(s) [1] 0 0
4067 - Saint Lucia

Funding & Sponsors
Primary sponsor type
Other
Name
The University of Queensland
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Veronique Chahay, PhD
Address 0 0
The University of Queensland
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries

Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
No/undecided IPD sharing reason/comment


What supporting documents are/will be available?

No Supporting Document Provided



Results publications and other study-related documents

No documents have been uploaded by study researchers.


Results not provided in https://clinicaltrials.gov/study/NCT04786392