Completed NA INTERVENTIONAL 2-arm NCT03807375

The Comparison of the Methods Applied in Bariatric Surgery in Terms of Preoxygenation Time

Evaluation of the Effect of CPAP and Mask Ventilation on Preoxygenation Time in Bariatric Surgery

Sponsor: Ankara Diskapi Training and Research Hospital

Conditions Time to Reach 90% Endtidal Oxygen During Preoxygenation

Updated 6 times since 2019 Last updated: Jul 2, 2019 Started: Mar 1, 2018 Primary completion: May 1, 2019 Completion: Jun 1, 2019

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 Time to Reach 90% Endtidal Oxygen During Preoxygenation and is currently completed. Ankara Diskapi Training and Research Hospital leads this study, which shows 6 recorded versions since 2018 — 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]

Completed NA
Sep 2024 — Sep 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Aug 2019 — Jan 2021 [monthly]

Completed NA

Status: Not Yet Recruiting → Completed

▶ Show 1 earlier version

Feb 2019 — Aug 2019 [monthly]

Not Yet Recruiting NA

First recorded

Mar 2018

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Ankara Diskapi Training and Research Hospital

Data source: Ankara Diskapi Training and Research Hospital

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

Study Locations

• Ankara, Turkey (Türkiye)