# Is Asthma in Subjects With Obstructive Sleep Apnoea (OSA) Due to Dysanapsis

> **NCT04142905** · — · UNKNOWN · sponsor: **Julie Dawson** · enrollment: 200 (estimated)

## Conditions studied

- Asthma
- Obstructive Sleep Apnoea (OSA)
- Dysanapis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04142905
- **Lead sponsor:** Julie Dawson
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-02-10
- **Primary completion:** 2025-10-01
- **Final completion:** 2025-10-01
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2023-12-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04142905

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04142905, "Is Asthma in Subjects With Obstructive Sleep Apnoea (OSA) Due to Dysanapsis". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04142905. Licensed CC0.

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