# Sparkle Respiratory Effort Validation

> **NCT04630639** · NA · WITHDRAWN · sponsor: **Philips Clinical & Medical Affairs Global**

## Conditions studied

- Sleep Apnea, Obstructive
- Sleep Apnea, Central

## Interventions

- **DEVICE:** Sparkle

## Key facts

- **NCT ID:** NCT04630639
- **Lead sponsor:** Philips Clinical & Medical Affairs Global
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-03
- **Primary completion:** 2021-06
- **Final completion:** 2021-06
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Changed scientific strategy. No participants were enrolled.
- **Last updated:** 2021-06-23

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04630639

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04630639, "Sparkle Respiratory Effort Validation". Retrieved via AI Analytics 2026-07-18 from https://api.ai-analytics.org/clinical/NCT04630639. Licensed CC0.

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