# Vitamin D Binding Protein (Gc) Allele Variation Effects Response to Vitamin D Treatment

> **NCT00650780** · — · COMPLETED · sponsor: **Creighton University** · enrollment: 29 (actual)

## Conditions studied

- Vitamin D Status

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00650780
- **Lead sponsor:** Creighton University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2007-10
- **Primary completion:** 2008-01
- **Final completion:** 2008-01
- **Target enrollment:** 29 (ACTUAL)
- **Last updated:** 2008-04-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00650780

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00650780, "Vitamin D Binding Protein (Gc) Allele Variation Effects Response to Vitamin D Treatment". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00650780. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*