# Canadian National PDA Treatment Study

> **NCT04347720** · — · COMPLETED · sponsor: **IWK Health Centre** · enrollment: 1663 (actual)

## Conditions studied

- Patent Ductus Arteriosus
- Extreme Prematurity

## Interventions

- **DRUG:** Indomethacin
- **DRUG:** Ibuprofen
- **DRUG:** Acetaminophen

## Key facts

- **NCT ID:** NCT04347720
- **Lead sponsor:** IWK Health Centre
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-01-01
- **Primary completion:** 2023-07-31
- **Final completion:** 2023-12-31
- **Target enrollment:** 1663 (ACTUAL)
- **Last updated:** 2024-06-21

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04347720

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04347720, "Canadian National PDA Treatment Study". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04347720. Licensed CC0.

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