deltatrials
Completed OBSERVATIONAL NCT04238104

POX Range and the Threshold for Screening Major CHD in Neonates at Different Altitudes

Study on the Normal Range of Pulse Oximetry and the Threshold for Screening Critical Congenital Heart Disease in Neonates at Different Altitudes in China

Sponsor: Children's Hospital of Fudan University

Conditions POX Range of Healthy Newborns at Different Altitudes POX Threshold for Screening Major CHD in Neonates
Interventions no intervention
Updated 8 times since 2020 Last updated: Jul 26, 2021 Started: Feb 1, 2020 Primary completion: Apr 15, 2021 Completion: Apr 15, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on POX Range of Healthy Newborns at Different Altitudes and POX Threshold for Screening Major CHD in Neonates, this trial is completed. The trial is conducted by Children's Hospital of Fudan University and has accumulated 8 data snapshots since 2020. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Feb 2020 – ~Mar 2020 · 29 days · monthly snapshotNot Yet Recruiting~Mar 2020 – ~Sep 2020 · 6 months · monthly snapshotRecruiting~Sep 2020 – ~Jan 2021 · 4 months · monthly snapshotRecruiting~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshotRecruiting~Sep 2021 – ~Jul 2024 · 34 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

8 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed

  2. Sep 2024 — Sep 2025 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. Sep 2021 — Jul 2024 [monthly]

    Completed

    Status: Recruiting → Completed

  5. Jan 2021 — Sep 2021 [monthly]

    Recruiting

▶ Show 3 earlier versions

  1. Sep 2020 — Jan 2021 [monthly]

    Recruiting

  2. Mar 2020 — Sep 2020 [monthly]

    Recruiting

    Status: Not Yet Recruiting → Recruiting

  3. Feb 2020 — Mar 2020 [monthly]

    Not Yet Recruiting

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Children's Hospital of Fudan University
  • Hainan women and children medical center
  • People's Hospital of Golog Tibetan Autonomous Prefecture
  • People's Hospital of Luchun County, Yunnan Province
  • People's Hospital of Naqu District, Tibet
  • People's Hospital of Xinjiang Uygur Autonomous Region
  • Qinghai Red Cross Hospital
  • Tibet Autonomous Region People's Hospital
  • Yan'an Affiliated Hospital of Kunming Medical University
Data source: Children's Hospital of Fudan University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations