An investigation of the effect of introducing vitamin D2 enriched mushrooms in the diet

ISRCTN ISRCTN16158244
DOI https://doi.org/10.1186/ISRCTN16158244
Protocol serial number N/A
Sponsor University College Dublin (UCD) (Ireland)
Funder Monaghan Mushrooms (Ireland)
Submission date
29/01/2011
Registration date
11/04/2011
Last edited
11/04/2011
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Nutritional, Metabolic, Endocrine
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Lorraine Brennan
Scientific

UCD Conway Institute
Belfield
Dublin
D4
Ireland

Study information

Primary study designInterventional
Study designRandomised double-blind placebo-controlled intervention study
Secondary study designRandomised controlled trial
Study type Participant information sheet
Scientific titleAn investigation of the effect of introducing vitamin D2 enriched mushrooms in the diet: a randomised double-blind placebo-controlled dietary intervention study
Study acronymMMD
Study objectivesTo ascertain if daily consumption of vitamin D2 enriched mushrooms can increase vitamin D status in free living healthy adults.
Ethics approval(s)Human Research Ethics Committee in University College Dublin (UCD) approved on the 24th November 2010 (ref: LS-10-152-Brennan-Gibney)
Health condition(s) or problem(s) studiedVitamin D supplementation
InterventionParticipants will be randomised to one of four treatment groups. The four treatment groups are defined as follows:
Group 1: daily vitamin D2 enriched mushrooms
Group 2: daily standard mushrooms
Group 3: daily vitamin D3 capsule (15 µg)
Group 4: daily vitamin D placebo capsule

Total duration of intervention: 4 weeks
Intervention typeSupplement
Primary outcome measure(s)

Circulating concentration of vitamin D, performed pre- and post- 4-week intervention

Key secondary outcome measure(s)

Metabolites relating to glucose and lipid metabolism, performed pre- and post- 4-week intervention

Completion date01/12/2013

Eligibility

Participant type(s)Patient
Age groupAdult
SexAll
Target sample size at registration80
Key inclusion criteriaHealthy male and females free-living Caucasians aged 30 - 65 years
Key exclusion criteria1. Body mass index (BMI) less than 18.0 or 31.0 (kg/m2)
2. Any chronic or infectious disease
3. Any prescribed medication (contraceptive pills and hormone replacement therapy will be permitted)
4. Pregnant or lactating females
Date of first enrolment26/01/2011
Date of final enrolment01/12/2013

Locations

Countries of recruitment

  • Ireland

Study participating centre

UCD Conway Institute
Dublin
D4
Ireland

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Participant information sheet Participant information sheet 11/11/2025 11/11/2025 No Yes