# Determining Airway pH by Compartmental Exhaled Nitric Oxide Levels During Alkaline Buffer Challenge

> **NCT04738422** · PHASE2 · ENROLLING_BY_INVITATION · sponsor: **Indiana University** · enrollment: 150 (estimated)

## Conditions studied

- Airway Disease

## Interventions

- **DRUG:** Alkaline glycine

## Key facts

- **NCT ID:** NCT04738422
- **Lead sponsor:** Indiana University
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** ENROLLING_BY_INVITATION
- **Start date:** 2020-09-11
- **Primary completion:** 2028-07-15
- **Final completion:** 2028-07-15
- **Target enrollment:** 150 (ESTIMATED)
- **Last updated:** 2025-12-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04738422

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04738422, "Determining Airway pH by Compartmental Exhaled Nitric Oxide Levels During Alkaline Buffer Challenge". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04738422. Licensed CC0.

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