# Phase II Pre-operative Vitamin D Supplementation to Prevent Post-thyroidectomy Hypocalcemia

> **NCT01868750** · PHASE2 · COMPLETED · sponsor: **David Shonka, MD** · enrollment: 67 (estimated)

## Conditions studied

- Thyroid Nodules
- Hypocalcemia

## Interventions

- **DIETARY_SUPPLEMENT:** Calcitriol
- **DIETARY_SUPPLEMENT:** Control Pill

## Key facts

- **NCT ID:** NCT01868750
- **Lead sponsor:** David Shonka, MD
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-05
- **Primary completion:** 2021-07-08
- **Final completion:** 2021-07-08
- **Target enrollment:** 67 (ESTIMATED)
- **Last updated:** 2021-10-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01868750

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01868750, "Phase II Pre-operative Vitamin D Supplementation to Prevent Post-thyroidectomy Hypocalcemia". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT01868750. Licensed CC0.

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