NCT03134417

Brief Summary

The purpose of this study is to investigate the effects of a combined vitamin D and magnesium supplementation on parathyroid hormone and cardiometabolic health in persons living with obesity.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
109

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Feb 2016

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2016

Completed
1.2 years until next milestone

First Submitted

Initial submission to the registry

April 7, 2017

Completed
24 days until next milestone

First Posted

Study publicly available on registry

May 1, 2017

Completed
3.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2020

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2021

Completed
Last Updated

September 27, 2021

Status Verified

September 1, 2021

Enrollment Period

4.9 years

First QC Date

April 7, 2017

Last Update Submit

September 23, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Serum parathyroid hormone

    12 weeks

Secondary Outcomes (4)

  • Inflammatory cytokines

    12 weeks

  • Lipid profile

    12 weeks

  • Blood pressure

    12 weeks

  • Serum osteocalcin

    12 weeks

Study Arms (3)

Vitamin D and magnesium

EXPERIMENTAL

Daily oral vitamin D (1000 IU) and magnesium (360 mg) supplement

Dietary Supplement: Vitamin D and magnesium

Vitamin D

ACTIVE COMPARATOR

Daily oral vitamin D (1000 IU) supplement

Dietary Supplement: Vitamin D

Placebo

PLACEBO COMPARATOR

Daily oral placebo (cellulose)

Dietary Supplement: Placebo

Interventions

Vitamin D and magnesiumDIETARY_SUPPLEMENT

Daily vitamin D and magnesium supplements are given to participants daily for 12 weeks.

Vitamin D and magnesium
Vitamin DDIETARY_SUPPLEMENT

Daily vitamin D supplements are given to participants daily for 12 weeks.

Vitamin D
PlaceboDIETARY_SUPPLEMENT

Daily placebo are given to participants daily for 12 weeks.

Placebo

Eligibility Criteria

Age30 Years - 70 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • BMI range 25-40 kg/m2
  • years of age

You may not qualify if:

  • Presence of any acute illness in the past month
  • Pre-existing chronic medical conditions or medications know to influence energy, vitamin D, magnesium and calcium metabolism, levels of blood glucose, lipids and blood pressure
  • Individuals taking vitamin D and magnesium supplement greater than the Recommended Daily allowance
  • Participants taking any medications or have disease known to influence calcium or bone metabolism

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Drexel University Nutrition Sciences Research Lab

Philadelphia, Pennsylvania, 19102, United States

Location

Related Publications (1)

  • Dall RD, Cheung MM, Shewokis PA, Altasan A, Volpe SL, Amori R, Singh H, Sukumar D. Combined vitamin D and magnesium supplementation does not influence markers of bone turnover or glycemic control: A randomized controlled clinical trial. Nutr Res. 2023 Feb;110:33-43. doi: 10.1016/j.nutres.2022.12.005. Epub 2022 Dec 22.

MeSH Terms

Conditions

OverweightObesityVitamin D DeficiencyMagnesium Deficiency

Interventions

Vitamin DMagnesium

Condition Hierarchy (Ancestors)

OvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsAvitaminosisDeficiency DiseasesMalnutrition

Intervention Hierarchy (Ancestors)

SecosteroidsSteroidsFused-Ring CompoundsPolycyclic CompoundsMetals, Alkaline EarthElementsInorganic ChemicalsMetals, LightMetals

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 7, 2017

First Posted

May 1, 2017

Study Start

February 1, 2016

Primary Completion

December 31, 2020

Study Completion

June 1, 2021

Last Updated

September 27, 2021

Record last verified: 2021-09

Locations