# This Study Include Asthma Chronic Obstructive Pulmonary Disease (COPD) Overlap Patients.Patients Were Vitamin D Deficient.Age Range 40-70 Years, Smokers.Patients Were Advised to Take Either Placebo or Vitamin D3.Lung Functions and Exercise Tolerance Were Assessed at Baseline and at 26th Weeks.

> **NCT03880734** · PHASE2 · COMPLETED · sponsor: **Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh** · enrollment: 70 (actual)

## Conditions studied

- Asthma-COPD Overlap Syndrome

## Interventions

- **DRUG:** Cholecalciferol
- **OTHER:** Placebo oral capsule

## Key facts

- **NCT ID:** NCT03880734
- **Lead sponsor:** Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-03-01
- **Primary completion:** 2018-11-01
- **Final completion:** 2019-02-20
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2019-06-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03880734

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03880734, "This Study Include Asthma Chronic Obstructive Pulmonary Disease (COPD) Overlap Patients.Patients Were Vitamin D Deficient.Age Range 40-70 Years, Smokers.Patients Were Advised to Take Either Placebo or Vitamin D3.Lung Functions and Exercise Tolerance Were Assessed at Baseline and at 26th Weeks.". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT03880734. Licensed CC0.

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