Vitamin D Supplementation and Effects on Mood in Emergency Medicine Residents

November 26, 2024 updated by: Spectrum Health - Lakeland

Correlation of Vitamin D Supplementation in Emergency Medicine Residents and Seasonal Mood Symptoms

Seasonal mood changes, and even feelings of depression, appear to have an association with decreased amounts of vitamin D in people living in geographic areas where exposure to sunlight during the winter months is relatively low. In this study, PGY-2 and PGY-3 Emergency Medicine residents at Lakeland Health will fill out PHQ-9 surveys for a total of 6 months (October-March), filled out at the end of each month. This is the time of year in southwest Michigan where exposure to direct sunlight is the lowest. The results of the individual surveys will be trended for the entire six months to see if individuals responds more positively after Vitamin D supplementation is initiated between months 3 and 4. Vitamin D supplementation will be 5000 units daily for the months of January-March.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

27

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Michigan
      • Saint Joseph, Michigan, United States, 49085
        • Lakeland Regional Healthcare

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • PGY-2 and PGY-3 Emergency Medicine Residents at Lakeland Health

Exclusion Criteria:

  • Nonresidents and PGY-1 and PGY-4 Emergency Medicine residents at Lakeland Health

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: Non-vitamin D supplementation
Group not receiving vitamin D supplementation
Dietary supplement: No Vitamin D
No vitamin D supplementation
Experimental: Vitamin D supplementation
Group receiving vitamin D supplementation
Dietary supplement: Vitamin D
Group will receive 5000 units of vitamin D daily

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Effect of vitamin D on resident mood
Time Frame: 6 months
Using the Patient Health Questionnaire 9 (PHQ-9) survey results, data will be analyzed to determine if vitamin D helped increase positive responses as it correlates to mood. Using the Patient Health Questionnaire - 9 to determine the severity of the depressive moods. (Scaled from 0-27 with higher numbers being more severe. 0-4 is minimal, 5-9 mild, 10-14 moderate, 15-19 moderately severe, 20-27 severe)
6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Spectrum Health - Lakeland

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 1, 2018

Primary Completion (Actual)

March 30, 2020

Study Completion (Actual)

April 30, 2020

Study Registration Dates

First Submitted

November 9, 2018

First Submitted That Met QC Criteria

November 9, 2018

First Posted (Actual)

November 14, 2018

Study Record Updates

Last Update Posted (Actual)

November 29, 2024

Last Update Submitted That Met QC Criteria

November 26, 2024

Last Verified

November 1, 2024

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • MMMC#1580

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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