# Nasal Potential Difference (NPD) for the Diagnosis of Cystic Fibrosis

> **NCT00589745** · NA · COMPLETED · sponsor: **Children's Hospital of Philadelphia** · enrollment: 27 (actual)

## Conditions studied

- Cystic Fibrosis

## Interventions

- **OTHER:** Nasal potential difference measurement

## Key facts

- **NCT ID:** NCT00589745
- **Lead sponsor:** Children's Hospital of Philadelphia
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2003-09
- **Primary completion:** 2019-12-18
- **Final completion:** 2019-12-18
- **Target enrollment:** 27 (ACTUAL)
- **Last updated:** 2020-01-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00589745

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00589745, "Nasal Potential Difference (NPD) for the Diagnosis of Cystic Fibrosis". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT00589745. Licensed CC0.

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