Clinical Trials Logo

Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04156074
Other study ID # LS-19-56-McCourt-OSullivan
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date November 4, 2019
Est. completion date December 31, 2021

Study information

Verified date March 2023
Source University College Dublin
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This randomized controlled trial (RCT) will compare the change in vitamin D status (25-hydroxyvitamin D nmol/L) after a 4 week intervention with 4 groups: 1. Vitamin D enriched (20ug) olive oil emulsion drink 2. Vitamin D enriched (20ug) coconut oil emulsion drink 3. Placebo emulsion drink 4. Vitamin D supplement (20ug) Participants will be randomized to 1 of 4 intervention group. Hypothesis 1: 25-hydroxyvitamin D concentrations are higher in the olive oil emulsion drink group compared to the placebo emulsion drink group post intervention. Hypothesis 2: 25-hydroxyvitamin D concentrations are higher in the olive oil emulsion drink group compared to the coconut oil emulsion drink group post intervention.


Recruitment information / eligibility

Status Completed
Enrollment 80
Est. completion date December 31, 2021
Est. primary completion date December 31, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 50 Years and older
Eligibility Inclusion Criteria: • Healthy adults Exclusion Criteria: - Pregnant/lactating - Smokers - Individuals who are not free-living - An inability to read, write or understand English - Following a strict diet for any reason, insulin dependent diabetes, coeliac etc. - Disease that requires chronic therapeutic nutritional or medical treatment - Those with conditions that may affect kidney function - Those with osteoporosis - Those taking supplemental vitamin D - Those who have been on a sun holiday in the last 2 months - Those with a milk protein allergy or lactose intolerance

Study Design


Related Conditions & MeSH terms


Intervention

Dietary Supplement:
Vitamin D enriched (20 mcg/day) olive oil emulsion drink
Vitamin D enriched (20 mcg/day) olive oil emulsion drink. 30 mL drink daily
Vitamin D enriched (20 mcg/day) coconut oil emulsion drink
Vitamin D enriched (20 mcg/day) coconut oil emulsion drink 30 mL drink daily
Placebo coconut oil emulsion drink
Placebo coconut oil emulsion drink 30 mL drink daily
Vitamin D supplement (20 mcg/day)
Vitamin D supplement (20 mcg/day) Pill consumed daily

Locations

Country Name City State
Ireland University College Dublin Dublin

Sponsors (2)

Lead Sponsor Collaborator
University College Dublin Department of Agriculture Food and the Marine

Country where clinical trial is conducted

Ireland, 

Outcome

Type Measure Description Time frame Safety issue
Primary Vitamin D status Change in vitamin D status measured as serum 25-hydroxyvitamin D (nmol/L) Baseline to 28 days
See also
  Status Clinical Trial Phase
Active, not recruiting NCT04244474 - Effect of Vitamin D Supplementation on Improvement of Pneumonic Children Phase 1/Phase 2
Recruiting NCT05459298 - ViDES Trial (Vitamin D Extra Supplementation) N/A
Suspended NCT03652987 - Endocrine and Menstrual Disturbances in Women With Polycystic Ovary Syndrome (PCOS)
Completed NCT04476511 - The Efficacy and the Safety of Vitamin D3 30,000 IU for Loading Dose Schedules Phase 3
Completed NCT03920150 - Vitamin D 24'000 IU for Oral Intermittent Supplementation Phase 3
Completed NCT03264625 - The Effects of Oral Vitamin D Supplementation on the Prevention of Peritoneal Dialysis-related Peritonitis Phase 2
Completed NCT04183257 - Effect of Escalating Oral Vitamin D Replacement on HOMA-IR in Vitamin D Deficient Type 2 Diabetics Phase 4
Recruiting NCT05084248 - Vitamin D Deficiency in Adults Following a Major Burn Injury Phase 4
Completed NCT05506696 - Vitamin D Supplementation Study N/A
Completed NCT00092066 - A Study to Evaluate the Safety, Tolerability, and Efficacy of an Investigational Drug and Dietary Supplement in Men and Postmenopausal Women With Osteoporosis (0217A-227) Phase 3
Completed NCT03234218 - Vitamin D Levels in Liver Transplantation Recipients Prospective Observational Study
Completed NCT02714361 - A Study to Investigate the Effect of Vitamin D3 Supplementation on Iron Status in Iron Deficient Women N/A
Completed NCT03203382 - Corneal Nerve Structure in Sjogren's
Completed NCT02906319 - Vitamin D and HbA1c Levels in Diabetic Patients With CKD N/A
Completed NCT02118129 - Vitamin D Among Young Adults: an Intervention Study Using a Mobile 'App'. N/A
Not yet recruiting NCT01419821 - Vitamin D and Its Affect on Growth Rates and Bone Mineral Density Until Age 5 N/A
Completed NCT02275650 - The Role of Narrowband Ultraviolet B Exposure in the Maintenance of Vitamin D Levels During Winter N/A
Completed NCT02187146 - The Effects of Serum Vitamin D and IVF Outcome N/A
Completed NCT01651000 - Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency Phase 3
Completed NCT01741181 - Vitamin D Supplementation in Patients With Diabetes Mellitus Type 2 Phase 4