# Plasma Concentrations of Calcium, Phosphate, FGF23, Klotho, 25 (OH) D3 and 1,25 (OH) 2D3 from Patients Who Wants to Have Children

> **NCT03173235** · — · COMPLETED · sponsor: **University Hospital Tuebingen** · enrollment: 80 (actual)

## Conditions studied

- Infertility, Female

## Interventions

- **DIAGNOSTIC_TEST:** Plasma level of vitamin D

## Key facts

- **NCT ID:** NCT03173235
- **Lead sponsor:** University Hospital Tuebingen
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2015-08-01
- **Primary completion:** 2021-12-01
- **Final completion:** 2021-12-01
- **Target enrollment:** 80 (ACTUAL)
- **Last updated:** 2025-01-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03173235

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03173235, "Plasma Concentrations of Calcium, Phosphate, FGF23, Klotho, 25 (OH) D3 and 1,25 (OH) 2D3 from Patients Who Wants to Have Children". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT03173235. Licensed CC0.

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