---
title: Vitamin D Levels in Residents in Medicine
nct_id: NCT01118806
overall_status: COMPLETED
sponsor: Meir Medical Center
study_type: OBSERVATIONAL
primary_condition: Vitamin D Deficiency
countries: Israel
canonical_url: "https://parkinsonspathways.com/agent/trials/NCT01118806.md"
clinicaltrials_gov: "https://clinicaltrials.gov/study/NCT01118806"
ct_last_update_post_date: 2011-11-23
last_seen_at: "2026-05-12T07:28:08.085Z"
source: ClinicalTrials.gov (mirrored, no enrichment)
---
# Vitamin D Levels in Residents in Medicine

**Official Title:** Vitamin D Deficiency in Medical Residence in Israel

**NCT ID:** [NCT01118806](https://clinicaltrials.gov/study/NCT01118806)

## Key Facts

- **Status:** COMPLETED
- **Study Type:** OBSERVATIONAL
- **Target Enrollment:** 106
- **Lead Sponsor:** Meir Medical Center
- **Conditions:** Vitamin D Deficiency
- **Start Date:** 2010-05
- **Completion Date:** 2011-11
- **CT.gov Last Update:** 2011-11-23

## Brief Summary

the study aims to messure the vitamin D levels in medical staff in the hospital. The physicians in the course of their internship who work indoors and work many night shifts have limited sun exposure in all seasons. Nursing staff who work shifts and work indoors are at the same risk of liltle sun exposure. The study addresses the amount of sun exposure, assessed by a sun exposure questioner, age, gender,work load related to number of shifts in the physicien group and in nursing group the job percentile we also adress religion (clothing cover)as a factor.

## Detailed Description

The population in Israel is heterogeneous in the aspect of skin exposure to the sun. Women in the Moslem community with traditional long sleeve dress code whose sun exposure to the sun even in the summer months is limited.

The physicians in the course of their internship who work indoors and work many night shifts and nurses with their shift work have limited sun exposure in all seasons.

The study addresses the amount of sun exposure, assessed by a sun exposure questioner, age, gender,number of shifts in the physicien group and in nursing group the job percentile religion (clothing cover).

The standard for measuring vitamin D status is 25(OH) D levels in the serum. The staff members from which blood will be drawn will be have an explanation about the aim of the study and will sign an informed consent.

## Eligibility

- **Minimum age:** 18 Years
- **Maximum age:** 50 Years
- **Sex:** MALE
- **Healthy Volunteers:** Yes

```
Inclusion Criteria:medical staff Exclusion Criteria:pregnancy
```

## Arms

- **medical residents, vit d** — vitamin
- **levels of vitamin d** — resident

## Primary Outcomes

- **Low vitamin D levels in direct relation to nomber of shifts/ job percentile** _(time frame: 1 year)_
- **low leves of vitamin D in direct relationship to nomber of shifts job percentile** _(time frame: 1 year)_

## Locations (1)

- Meir medicalc enter, Kfar Saba, Israel

## Recent Field Changes (last 30 days)

- `status.completionDate` — added _(2026-05-12)_
- `status.lastUpdatePostDate` — added _(2026-05-12)_
- `design.enrollmentCount` — added _(2026-05-12)_
- `eligibility.criteria` — added _(2026-05-12)_
- `eligibility.minAge` — added _(2026-05-12)_
- `eligibility.maxAge` — added _(2026-05-12)_
- `eligibility.sex` — added _(2026-05-12)_
- `status.overallStatus` — added _(2026-05-12)_
- `status.primaryCompletionDate` — added _(2026-05-12)_
- `outcomes.primary` — added _(2026-05-12)_
- `armsInterventions.arms` — added _(2026-05-12)_
- `sponsor.lead` — added _(2026-05-12)_
- `results.hasResults` — added _(2026-05-12)_
- `locations.meir medicalc enter|kfar saba||israel` — added _(2026-05-12)_

---

*Canonical: https://parkinsonspathways.com/agent/trials/NCT01118806.md*  
*Source data (authoritative): https://clinicaltrials.gov/study/NCT01118806*  
*This page is a raw mirror with no AI summary, no editorial enrichment, and no Parkinson's-specific filtering.*