# Nitric Oxide Lung Diffusing Capacity in Systemic Sclerosis

> **NCT05505617** · — · COMPLETED · sponsor: **Holger Dressel** · enrollment: 9 (actual)

## Conditions studied

- Systemic Sclerosis

## Interventions

- **OTHER:** Single-breath nitric oxide lung diffusing capacity measurements according to type of device in random order.

## Key facts

- **NCT ID:** NCT05505617
- **Lead sponsor:** Holger Dressel
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-10-17
- **Primary completion:** 2025-05-01
- **Final completion:** 2026-03-01
- **Target enrollment:** 9 (ACTUAL)
- **Last updated:** 2026-04-22

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05505617

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05505617, "Nitric Oxide Lung Diffusing Capacity in Systemic Sclerosis". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05505617. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*