NCT07006714

Brief Summary

The purpose of this study is being conducted to determine whether correcting low levels of vitamin D with a single high-dose supplement reduces complications after the participant's primary TJA.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
200

participants targeted

Target at P75+ for phase_4

Timeline
14mo left

Started Sep 2025

Geographic Reach
1 country

1 active site

Status
active not recruiting

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 Progress37%
Sep 2025Jul 2027

First Submitted

Initial submission to the registry

May 28, 2025

Completed
8 days until next milestone

First Posted

Study publicly available on registry

June 5, 2025

Completed
3 months until next milestone

Study Start

First participant enrolled

September 8, 2025

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2027

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2027

Last Updated

September 17, 2025

Status Verified

September 1, 2025

Enrollment Period

1.8 years

First QC Date

May 28, 2025

Last Update Submit

September 10, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Prosthetic joint infection as measured by the Musculoskeletal Infection Society (MSIS) criteria.

    The MSIS criteria infection scores range from 0-1 as not infected, 2-5 as possibly infected, and 6 or greater than 6 as infected.

    Up to 90 days.

Secondary Outcomes (3)

  • Hospital length of stay

    Up to 90 days.

  • Number of medical complications

    Up to 90 days.

  • Number of readmission rates

    Up to 90 days.

Study Arms (1)

Vitamin D Deficient Group

EXPERIMENTAL

Participants who are vitamin D deficient and undergo standard of care TJA will receive a single dose of vitamin D. Total participation for up to 90 days.

Drug: Vitamin D3

Interventions

Patients with a Vitamin D3 level of less than 30 nanograms per milliliter will receive a single oral (pill) dose of 300,000 international units of vitamin D3.

Vitamin D Deficient Group

Eligibility Criteria

Age18 Years - 96 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Serum 25(OH)D \< 30 ng/mL within 2 weeks of surgery.
  • Able to provide informed consent.

You may not qualify if:

  • Follow-up duration \< 90 days anticipated.
  • Acute hepatitis, cancer, organ transplant recipients, or dialysis patients.
  • Extra vitamin D supplementation within 90 days post-surgery.
  • Preoperative serum 25(OH)D ≥ 30 ng/mL.
  • Adults unable to consent (excluded).
  • Individuals under 18 (excluded).
  • Pregnant women (excluded).
  • Prisoners (excluded).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Miami

Miami, Florida, 33136, United States

Location

MeSH Terms

Conditions

OsteoarthritisVitamin D Deficiency

Interventions

Cholecalciferol

Condition Hierarchy (Ancestors)

ArthritisJoint DiseasesMusculoskeletal DiseasesRheumatic DiseasesAvitaminosisDeficiency DiseasesMalnutritionNutrition DisordersNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

CholestenesCholestanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSterolsVitamin DSecosteroidsMembrane LipidsLipids

Study Officials

  • Michele D'Apuzzo, MD

    University of Miami

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NA
Masking
NONE
Purpose
SUPPORTIVE CARE
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

May 28, 2025

First Posted

June 5, 2025

Study Start

September 8, 2025

Primary Completion (Estimated)

July 1, 2027

Study Completion (Estimated)

July 1, 2027

Last Updated

September 17, 2025

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will not share

Locations