# Improving Functionality in Older People

> **NCT03611049** · PHASE2 · TERMINATED · sponsor: **Texas Tech University Health Sciences Center** · enrollment: 14 (actual)

## Conditions studied

- Vitamin D Deficiency

## Interventions

- **DIETARY_SUPPLEMENT:** High dose Vitamin D3
- **DIETARY_SUPPLEMENT:** Low dose Vitamin D3

## Key facts

- **NCT ID:** NCT03611049
- **Lead sponsor:** Texas Tech University Health Sciences Center
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2018-08-01
- **Primary completion:** 2019-07-19
- **Final completion:** 2019-07-19
- **Target enrollment:** 14 (ACTUAL)
- **Why stopped:** Principal Investigator (Dr. Peiris) is retiring
- **Last updated:** 2019-07-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03611049

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03611049, "Improving Functionality in Older People". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03611049. Licensed CC0.

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