# Evaluating Vitamin D3 Supplement on Post-Op Outcomes

> **NCT04177758** · PHASE4 · COMPLETED · sponsor: **Rush University Medical Center** · enrollment: 137 (actual)

## Conditions studied

- Knee Osteoarthritis

## Interventions

- **DRUG:** Vitamin D
- **DRUG:** Control

## Key facts

- **NCT ID:** NCT04177758
- **Lead sponsor:** Rush University Medical Center
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-02-01
- **Primary completion:** 2021-10-08
- **Final completion:** 2022-03-01
- **Target enrollment:** 137 (ACTUAL)
- **Last updated:** 2023-04-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04177758

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04177758, "Evaluating Vitamin D3 Supplement on Post-Op Outcomes". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04177758. Licensed CC0.

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