# Vitamin D Levels and Survival in Cancer Patients

> **NCT03266887** · — · COMPLETED · sponsor: **Icelandic Heart Association** · enrollment: 5764 (actual)

## Conditions studied

- Neoplasms

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03266887
- **Lead sponsor:** Icelandic Heart Association
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2002-01-01
- **Primary completion:** 2006-12-30
- **Final completion:** 2006-12-30
- **Target enrollment:** 5764 (ACTUAL)
- **Last updated:** 2017-08-30

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03266887

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03266887, "Vitamin D Levels and Survival in Cancer Patients". Retrieved via AI Analytics 2026-05-23 from https://api.ai-analytics.org/clinical/NCT03266887. Licensed CC0.

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