NCT02996721

Brief Summary

This study evaluates whether achieving 25-hydroxyvitamin D (25\[OH\] Vit D) levels (\>40 ng/mL) among myocardial infarction patients will result in a reduction of cardiovascular-related adverse events. Half of the patients will be randomized to receive standard of care and half will receive clinical management of 25\[OH\] Vit D levels.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
634

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Apr 2017

Longer than P75 for phase_4

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

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 15, 2016

Completed
4 days until next milestone

First Posted

Study publicly available on registry

December 19, 2016

Completed
4 months until next milestone

Study Start

First participant enrolled

April 3, 2017

Completed
8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 30, 2025

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 4, 2025

Completed
Last Updated

December 17, 2025

Status Verified

December 1, 2025

Enrollment Period

8 years

First QC Date

December 15, 2016

Last Update Submit

December 11, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Composite Outcome of Death, Myocardial Infarction, Heart Failure Hospitalization, and Cerebral Vascular Accident

    from date of randomization until the date of first documented event, up to 48 months

Study Arms (2)

Standard of Care

NO INTERVENTION

Patients randomized to the standard of care arm will have a 25\[OH\] Vit D test performed, a sample taken and stored for future tests, and completion of a PHQ-9 depression survey at baseline and at study conclusion. No other contact is planned with the standard of care patients. Follow-up will be done by the querying of electronic records, which includes any 25\[OH\] Vit D testing, use of vitamin D supplementation, and outcomes.

Treatment

EXPERIMENTAL

Patients randomized to the treatment arm will have a 25\[OH\] Vit D test performed, a sample taken and stored for future tests, and completion of a PHQ-9 depression survey. If at baseline a patient has a 25\[OH\] Vit D \>40 ng/mL then follow-up testing will occur 1 year from baseline and the patient will continue current treatment strategy (no supplementation or current supplementation dosage). If baseline 25\[OH\] Vit D levels are \<40 ng/mL then the patient will initiate or increase dose and return in 3 months (±15 days) to determine 25\[OH\] Vit D level. At 3 months, if 25\[OH\] Vit D \>40 ng/mL then current dose should be kept and the patient will return in 1 year for follow-up testing. However, if 25\[OH\] Vit D \<40 ng/mL then patients should double current dose and test again in 3 months. This should occur until 25\[OH\] Vit D reaches a level \>40 ng/mL and once achieved, the patient will return in 1 year for follow-up 25\[OH\] Vit D testing.

Biological: Vitamin D3

Interventions

Vitamin D3BIOLOGICAL

Vitamin D3 (cholecalciferol) will be provided to participants of the study.

Treatment

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients, both male and female, \>18 years old
  • Undergone angiography for a MI (troponin positive \[\>0.04 ng/mL\] and ACS diagnosis) within the past month
  • Receive follow-up care at an Intermountain Healthcare facility
  • Not taking or taking \<1000 IU of vitamin D daily within the last 3 months
  • Willing to provide informed consent and participate in follow-up visits

You may not qualify if:

  • Hypersensitivity to vitamin D products
  • History of previous vitamin D supplementation of \>1000 IU daily within the past 3 months (i.e., \>40% of the days during the past 3 months).
  • Systemic disease (including terminal cancer, cirrhosis, end stage COPD, etc) with a reduced (\<12 months) life expectancy
  • Hypercalcemia (calcium levels \>10.6 mg/dL)
  • Subject participation in previous investigational interventional studies within 30 days of the current study.
  • History of psychiatric illness/condition that would interfere with their ability to understand or complete the requirements of the study, a condition that in the opinion of the investigator or their designee places the subject at an unacceptable risk as a participant.
  • Pregnant and/or lactating women and women of child bearing potential who are not using acceptable means of contraception as determined by the clinical investigators.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Intermountain Medical Center

Murray, Utah, 84157, United States

Location

MeSH Terms

Conditions

DeathMyocardial InfarctionStroke

Interventions

Cholecalciferol

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and SymptomsMyocardial IschemiaHeart DiseasesCardiovascular DiseasesVascular DiseasesInfarctionIschemiaNecrosisCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System Diseases

Intervention Hierarchy (Ancestors)

CholestenesCholestanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSterolsVitamin DSecosteroidsMembrane LipidsLipids

Study Officials

  • Heidi T May, PhD, MSPH

    Intermountain Heart Institute

    PRINCIPAL INVESTIGATOR
  • Joseph B Muhlestein, MD

    Intermountain Heart Institute

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 15, 2016

First Posted

December 19, 2016

Study Start

April 3, 2017

Primary Completion

March 30, 2025

Study Completion

September 4, 2025

Last Updated

December 17, 2025

Record last verified: 2025-12

Data Sharing

IPD Sharing
Will not share

Locations