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Completed OBSERVATIONAL NCT04422470

Registry of Patients With Hematologic Disease and COVID-19 in Russia (CHRONOS19)

Observational Prospective Cohort Study - Registry of Patients With Hematologic Disease and COVID-19 in Russia (CHRONOS19)

Sponsor: Enrollme.ru, LLC

Updated 8 times since 2020 Last updated: Jan 25, 2023 Started: Jun 22, 2020 Primary completion: Aug 22, 2021 Completion: Jan 18, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04422470, this observational or N/A phase trial focuses on Coronavirus Infection and Hematologic Diseases and remains completed. Sponsored by Enrollme.ru, LLC, it has been updated 8 times since 2020, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

~Jul 2020 – ~Dec 2020 · 5 months · monthly snapshotRecruiting~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshotRecruiting~Jan 2021 – ~Nov 2021 · 10 months · monthly snapshotRecruiting~Nov 2021 – ~Feb 2023 · 15 months · monthly snapshotActive Not Recruiting~Feb 2023 – ~Jul 2024 · 17 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. Feb 2023 — Jul 2024 [monthly]

    Completed

    Status: Active Not RecruitingCompleted

  5. Nov 2021 — Feb 2023 [monthly]

    Active Not Recruiting

    Status: RecruitingActive Not Recruiting

Show 3 earlier versions
  1. Jan 2021 — Nov 2021 [monthly]

    Recruiting

  2. Dec 2020 — Jan 2021 [monthly]

    Recruiting

  3. Jul 2020 — Dec 2020 [monthly]

    Recruiting

    First recorded

Jun 2020

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Enrollme.ru, LLC
  • Foundation for Cancer Research Support (RakFond)
  • National Research Center for Hematology, Russia
Data source: National Research Center for Hematology, Russia

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