COVID-19 studies are our top priority.

For new and updated trial submissions, we are processing trials as quickly as possible and appreciate your patience. 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/show/NCT05033483




Registration number
NCT05033483
Ethics application status
Date submitted
13/08/2021
Date registered
2/09/2021
Date last updated
10/09/2021

Titles & IDs
Public title
Do Iron Supplements Impact the Gut Microbiome of Women of Reproductive Age?
Scientific title
Do Iron Supplements Impact the Gut Microbiome of Women of Reproductive Age?
Secondary ID [1] 0 0
Iron Mic
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Iron-deficiency 0 0
Microbial Colonization 0 0
Anemia 0 0
Condition category
Condition code
Infection 0 0 0 0
Studies of infection and infectious agents
Infection 0 0 0 0
Other infectious diseases
Infection 0 0 0 0
Sexually transmitted infections

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Other interventions - Ferrous Fumarate
Other interventions - Placebo

Experimental: Iron Supplement - 65.7 mg of iron as ferrous fumarate

Active Comparator: Placebo - 0 mg of iron


Other interventions: Ferrous Fumarate
Gelatin capsule containing 200 mg ferrous fumarate and microcrystalline cellulose

Other interventions: Placebo
Gelatin capsule containing microcrystalline cellulose

Intervention code [1] 0 0
Other interventions
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Weighted UniFrac dissimilarity score - Measure of microbiota beta-diversity
Timepoint [1] 0 0
21 days
Secondary outcome [1] 0 0
Bray-Curtis dissimilarity score - Measure of microbiota beta-diversity
Timepoint [1] 0 0
21 days
Secondary outcome [2] 0 0
Shannon Wiener Diversity - Microbiota alpha-diversity score with adjustment for baseline levels
Timepoint [2] 0 0
21 days
Secondary outcome [3] 0 0
Faith's phylogenetic diversity - Microbiota alpha-diversity score with adjustment for baseline levels
Timepoint [3] 0 0
21 days
Secondary outcome [4] 0 0
Taxonomic richness - Microbiota alpha-diversity score with adjustment for baseline levels
Timepoint [4] 0 0
21 days
Secondary outcome [5] 0 0
Relative abundance of core bacterial taxa - Relative abundance of taxa present in >40% of baseline samples, with adjustment for baseline levels
Timepoint [5] 0 0
21 days

Eligibility
Key inclusion criteria
- Able to give informed consent
Minimum age
18 Years
Maximum age
45 Years
Gender
Females
Can healthy volunteers participate?
Yes
Key exclusion criteria
- Pregnant or breastfeeding.

- Planning on becoming pregnant

- Diagnosed with iron deficiency and/or anaemia in the previous three months

- Taken antibiotics in the past three months

- Taken iron containing supplements in the past three months

Study design
Purpose of the study
Other
Allocation to intervention
Randomised controlled 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
Blinded (masking used)
Who is / are masked / blinded?
The people receiving the treatment/s

The people assessing the outcomes
The people analysing the results/data
Intervention assignment
Parallel
Other design features
Phase
Not Applicable
Type of endpoint(s)
Statistical methods / analysis

Recruitment
Recruitment status
Recruiting
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
SA
Recruitment hospital [1] 0 0
SAHMRI - Adelaide
Recruitment postcode(s) [1] 0 0
5000 - Adelaide

Funding & Sponsors
Primary sponsor type
Other
Name
South Australian Health and Medical Research Institute
Address
Country
Other collaborator category [1] 0 0
Other
Name [1] 0 0
Flinders University
Address [1] 0 0
Country [1] 0 0

Ethics approval
Ethics application status

Summary
Brief summary
In this randomised controlled trial the investigators will determine whether taking iron
supplements compared to placebo for 21 days alters the bacteria (microbiome) in the large
intestine of non-pregnant female participants.
Trial website
https://clinicaltrials.gov/show/NCT05033483
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Steven Taylor, PhD
Address 0 0
South Australian Health and Medical Research Institute
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Steven Taylor, PhD
Address 0 0
Country 0 0
Phone 0 0
618 8204 5711
Fax 0 0
Email 0 0
steven.taylor@sahmri.com
Contact person for scientific queries

Summary results
For IPD and results data, please see https://clinicaltrials.gov/show/NCT05033483