# Dysfunctional Breathing in Difficult Asthma.

> **NCT00716677** · — · WITHDRAWN · sponsor: **Royal Brompton & Harefield NHS Foundation Trust**

## Conditions studied

- Asthma

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00716677
- **Lead sponsor:** Royal Brompton & Harefield NHS Foundation Trust
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2009-10
- **Primary completion:** 2010-10
- **Final completion:** 2010-12
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Life shirt technology no longer available
- **Last updated:** 2013-01-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00716677

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00716677, "Dysfunctional Breathing in Difficult Asthma.". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00716677. Licensed CC0.

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