deltatrials
Completed OBSERVATIONAL NCT04651400

Observational, Retrospective Study to Evaluate Coagulation Changes and the Influence of Antithrombin III Treatment in Patients With Severe COVID-19 Infection

Multinational, Observational, Retrospective Study to Evaluate Coagulation Changes and the Influence of Antithrombin III Treatment in Patients With Severe COVID-19 Infection

Sponsor: Octapharma

Conditions Covid19
Interventions Antithrombin III
Updated 17 times since 2021 Last updated: Oct 6, 2023 Started: Oct 19, 2020 Primary completion: Sep 27, 2022 Completion: Sep 27, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04651400, this observational or N/A phase trial focuses on Covid19 and remains completed. Sponsored by Octapharma, it has been updated 17 times since 2020, reflecting substantial 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 – ~Apr 2021 · 31 days · monthly snapshot~Apr 2021 – ~May 2021 · 30 days · monthly snapshot~May 2021 – ~Sep 2021 · 4 months · monthly snapshot~Sep 2021 – ~Oct 2021 · 30 days · monthly snapshot~Oct 2021 – ~Jan 2022 · 3 months · monthly snapshot~Jan 2022 – ~Mar 2022 · 59 days · monthly snapshot~Mar 2022 – ~Jun 2022 · 3 months · monthly snapshot~Jun 2022 – ~Jul 2022 · 30 days · monthly snapshot~Jul 2022 – ~Sep 2022 · 2 months · monthly snapshot~Sep 2022 – ~Nov 2022 · 2 months · monthly snapshot~Nov 2022 – ~Apr 2023 · 5 months · monthly snapshot~Apr 2023 – ~Nov 2023 · 7 months · monthly snapshot~Nov 2023 – ~Jul 2024 · 8 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

17 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed

  2. Sep 2024 — Sep 2025 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. Nov 2023 — Jul 2024 [monthly]

    Completed

  5. Apr 2023 — Nov 2023 [monthly]

    Completed

▶ Show 12 earlier versions

  1. Nov 2022 — Apr 2023 [monthly]

    Completed

    Status: Active Not Recruiting → Completed

  2. Sep 2022 — Nov 2022 [monthly]

    Active Not Recruiting

  3. Jul 2022 — Sep 2022 [monthly]

    Active Not Recruiting

  4. Jun 2022 — Jul 2022 [monthly]

    Active Not Recruiting

  5. Mar 2022 — Jun 2022 [monthly]

    Active Not Recruiting

  6. Jan 2022 — Mar 2022 [monthly]

    Active Not Recruiting

    Status: Recruiting → Active Not Recruiting

  7. Oct 2021 — Jan 2022 [monthly]

    Recruiting

  8. Sep 2021 — Oct 2021 [monthly]

    Recruiting

  9. May 2021 — Sep 2021 [monthly]

    Recruiting

  10. Apr 2021 — May 2021 [monthly]

    Recruiting

  11. Mar 2021 — Apr 2021 [monthly]

    Recruiting

  12. Jan 2021 — Mar 2021 [monthly]

    Recruiting

    First recorded

Oct 2020

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Octapharma
Data source: Octapharma

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

Study Locations