# Study to Evaluate the Pharmacokinetics of Vitamin D (Cholecalciferol) in Patients Undergoing Obesity Surgery in a Deficit Situation and After Standardization

> **NCT01637155** · PHASE2 · UNKNOWN · sponsor: **Hospital Clinic of Barcelona** · enrollment: 44 (estimated)

## Conditions studied

- Obesity
- Gastric Bypass
- Gastrectomy

## Interventions

- **DRUG:** Cholecalciferol

## Key facts

- **NCT ID:** NCT01637155
- **Lead sponsor:** Hospital Clinic of Barcelona
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** —
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** 44 (ESTIMATED)
- **Last updated:** 2012-07-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01637155

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01637155, "Study to Evaluate the Pharmacokinetics of Vitamin D (Cholecalciferol) in Patients Undergoing Obesity Surgery in a Deficit Situation and After Standardization". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT01637155. Licensed CC0.

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