# Cardinality Matching Study of Early v.s. Delayed VV ECMO in Severe Respiratory Failure

> **NCT03981393** · — · COMPLETED · sponsor: **University of Cambridge** · enrollment: 667 (actual)

## Conditions studied

- Acute Respiratory Failure
- ECMO

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03981393
- **Lead sponsor:** University of Cambridge
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2011-12-01
- **Primary completion:** 2017-12-31
- **Final completion:** 2018-03-31
- **Target enrollment:** 667 (ACTUAL)
- **Last updated:** 2021-04-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03981393

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03981393, "Cardinality Matching Study of Early v.s. Delayed VV ECMO in Severe Respiratory Failure". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03981393. Licensed CC0.

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