Unknown NA INTERVENTIONAL 2-arm NCT04375995

The Prevalence Of Small Airways Dysfunction In Asthma Patients And The Impact On The Asthma Control

Sponsor: Mersin University

Interventions Asthma control test Asthma quality of life scale Blood eosinophil level Chest X Ray Fractional exhaled nitric oxide (FENO) test Impulse oscillometry Spirometric pulmonary function test Thorax Computed Tomography

Updated 6 times since 2020 Last updated: May 1, 2020 Started: Oct 1, 2019 Primary completion: Sep 1, 2020 Completion: Apr 1, 2021

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Asthma and Small Airway Disease and is currently ongoing. Mersin University leads this study, which shows 6 recorded versions since 2019 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

6 versions recorded

Sep 2025 — Present [monthly]

Unknown NA
Sep 2024 — Sep 2025 [monthly]

Unknown NA
Jul 2024 — Sep 2024 [monthly]

Unknown NA

Status: Unknown Status → Unknown
Jun 2022 — Jul 2024 [monthly]

Unknown Status NA

Status: Active Not Recruiting → Unknown Status
Jan 2021 — Jun 2022 [monthly]

Active Not Recruiting NA

▶ Show 1 earlier version

Jun 2020 — Jan 2021 [monthly]

Active Not Recruiting NA

First recorded

Oct 2019

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Mersin University
Sibel Naycı

Data source: Mersin University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Mersin, Turkey (Türkiye)