# Vitamin D Receptor Polymorphisms and Non-Melanoma Skin Cancer Risk

> **NCT03040492** · — · COMPLETED · sponsor: **University of Alabama at Birmingham** · enrollment: 200 (actual)

## Conditions studied

- Skin Cancer, Non-Melanoma

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03040492
- **Lead sponsor:** University of Alabama at Birmingham
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2012-10-31
- **Primary completion:** 2013-06-30
- **Final completion:** 2017-06-30
- **Target enrollment:** 200 (ACTUAL)
- **Last updated:** 2025-09-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03040492

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03040492, "Vitamin D Receptor Polymorphisms and Non-Melanoma Skin Cancer Risk". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT03040492. Licensed CC0.

---

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