deltatrials
Unknown OBSERVATIONAL NCT04682912

Blood Types in Children With COVID-19

ABO-Rh Blood Types and COVID-19 Infection in Children: Is There a Link?

Sponsor: Bezmialem Vakif University

Updated 6 times since 2021 Last updated: Jan 30, 2021 Started: Jan 30, 2021 Primary completion: Feb 28, 2021 Completion: Feb 28, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04682912, this observational or N/A phase trial focuses on COVID-19 Infection and remains ongoing. Sponsored by Bezmialem Vakif University, it has been updated 6 times since 2021, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

~Jan 2021 – ~Mar 2021 · 59 days · monthly snapshot~Mar 2021 – ~Feb 2023 · 23 months · monthly snapshotRecruiting~Feb 2023 – ~Jul 2024 · 17 months · monthly snapshotUnknown Status~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotUnknown~Sep 2025 – present · 10 months · monthly snapshotUnknown

Change History

6 versions recorded
  1. Sep 2025 — Present [monthly]

    Unknown

  2. Sep 2024 — Sep 2025 [monthly]

    Unknown

  3. Jul 2024 — Sep 2024 [monthly]

    Unknown

    Status: Unknown StatusUnknown

  4. Feb 2023 — Jul 2024 [monthly]

    Unknown Status

    Status: RecruitingUnknown Status

  5. Mar 2021 — Feb 2023 [monthly]

    Recruiting

    Status: Not Yet RecruitingRecruiting

Show 1 earlier version
  1. Jan 2021 — Mar 2021 [monthly]

    Not Yet Recruiting

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Bezmialem Vakif University
  • Dicle University
  • Mersin Training and Research Hospital
  • Mersin University
  • Uludag University
Data source: Mersin Training and Research Hospital

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

Study Locations