# The Effect of Vitamin D on Urinary Calcium Excretion in Kidney Stone Formers With High Urinary Calcium

> **NCT00948740** · PHASE2,PHASE3 · WITHDRAWN · sponsor: **Brigham and Women's Hospital**

## Conditions studied

- Vitamin D Deficiency
- Nephrolithiasis

## Interventions

- **DRUG:** vitamin D (ergocalciferol)

## Key facts

- **NCT ID:** NCT00948740
- **Lead sponsor:** Brigham and Women's Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2009-08
- **Primary completion:** 2010-06
- **Final completion:** 2010-06
- **Target enrollment:** 0 (ACTUAL)
- **Last updated:** 2017-01-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00948740

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00948740, "The Effect of Vitamin D on Urinary Calcium Excretion in Kidney Stone Formers With High Urinary Calcium". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT00948740. Licensed CC0.

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