deltatrials
Completed OBSERVATIONAL NCT02447614

Follow-up Studies of Primary Snoring(PS) and Obstructive Sleep Apnea Hypopnea Syndrome(OSAHS) in Chinese Children

Follow-up Studies of PS and OSAHS in Chinese Children

Sponsor: Beijing Children's Hospital

Updated 7 times since 2017 Last updated: Jul 19, 2022 Started: Nov 30, 2014 Primary completion: Jun 1, 2022 Completion: Jul 1, 2022
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 Obstructive Sleep Apnea Syndrome, this trial is completed. The trial is conducted by Beijing Children's Hospital and has accumulated 7 data snapshots since 2014. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Jun 2018 · 17 months · monthly snapshotRecruiting~Jun 2018 – ~Mar 2019 · 9 months · monthly snapshotRecruiting~Mar 2019 – ~Jan 2021 · 22 months · monthly snapshotUnknown Status~Jan 2021 – ~Sep 2022 · 20 months · monthly snapshotUnknown Status~Sep 2022 – ~Jul 2024 · 22 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

7 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed

  2. Jul 2024 — Sep 2024 [monthly]

    Completed

  3. Sep 2022 — Jul 2024 [monthly]

    Completed

    Status: Unknown StatusCompleted · Phase: NANone

  4. Jan 2021 — Sep 2022 [monthly]

    Unknown Status NA

  5. Mar 2019 — Jan 2021 [monthly]

    Unknown Status NA

    Status: RecruitingUnknown Status

Show 2 earlier versions
  1. Jun 2018 — Mar 2019 [monthly]

    Recruiting NA

  2. Jan 2017 — Jun 2018 [monthly]

    Recruiting NA

    First recorded

Nov 2014

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Beijing Children's Hospital
Data source: Beijing Children's Hospital

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

Study Locations