Completed PHASE1 INTERVENTIONAL 2-arm NCT01925482

Trans-Middle-Ear Mucosal Gas Exchange Project 1, Specific Aim 1

Middle Ear Pressure Regulation in Health and Disease: Gas Supply, Demand and Middle-Ear Gas Balance -- Specific Aim 1

Sponsor: Cuneyt M. Alper

Interventions 0%CO2, 6%O2, balance N2 20%CO2, 6%O2, balance N2 6% CO2, 0%O2, balance N2 6% CO2, 6%O2, balance N2 6%CO2, 25%O2, balance N2 6%CO2, 6%O2, 0%N2, balance argon

Updated 9 times since 2017 Last updated: Feb 16, 2019 Started: May 13, 2014 Primary completion: Apr 24, 2015 Completion: May 19, 2015

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

A PHASE1 clinical study on Middle Ear Gas Exchange, this trial is completed. The trial is conducted by Cuneyt M. Alper and has accumulated 9 data snapshots since 2014. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

9 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE1
Jul 2024 — Sep 2024 [monthly]

Completed PHASE1
Jan 2021 — Jul 2024 [monthly]

Completed PHASE1
Mar 2019 — Jan 2021 [monthly]

Completed PHASE1

Status: Recruiting → Completed · Phase: NA → PHASE1
Feb 2019 — Mar 2019 [monthly]

Recruiting NA

▶ Show 4 earlier versions

Jun 2018 — Feb 2019 [monthly]

Recruiting NA
Mar 2018 — Jun 2018 [monthly]

Recruiting NA
Feb 2017 — Mar 2018 [monthly]

Recruiting NA
Jan 2017 — Feb 2017 [monthly]

Recruiting NA

First recorded

May 2014

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Cuneyt M. Alper
National Institute on Deafness and Other Communication Disorders (NIDCD)

Data source: University of Pittsburgh

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

Study Locations

• Pittsburgh, United States