# Characterization of Hyperparathyroidism and Vitamin D Deficiency in Obesity

> **NCT00288873** · PHASE4 · COMPLETED · sponsor: **Weill Medical College of Cornell University** · enrollment: 60 (actual)

## Conditions studied

- Vitamin D Deficiency
- Secondary Hyperparathyroidism
- Obesity

## Interventions

- **DRUG:** Ergocalciferol
- **DRUG:** Cholecalciferol

## Key facts

- **NCT ID:** NCT00288873
- **Lead sponsor:** Weill Medical College of Cornell University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2006-02
- **Primary completion:** 2007-07
- **Final completion:** 2007-07
- **Target enrollment:** 60 (ACTUAL)
- **Last updated:** 2018-12-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00288873

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00288873, "Characterization of Hyperparathyroidism and Vitamin D Deficiency in Obesity". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT00288873. Licensed CC0.

---

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