deltatrials
Completed OBSERVATIONAL NCT04710329

High-Dose Vitamin C Treatment in Critically Ill COVID-19 Patients

High-Dose Vitamin C Treatment in Critically Ill COVID-19 Patients, A Retrospective Cohort Study

Sponsor: Sisli Hamidiye Etfal Training and Research Hospital

Interventions Ascorbic acid
Updated 5 times since 2021 Last updated: Feb 10, 2021 Started: Jan 16, 2021 Primary completion: Jan 25, 2021 Completion: Feb 10, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04710329, this observational or N/A phase trial focuses on Covid19 and Respiratory Distress Syndrome, Adult and remains completed. Sponsored by Sisli Hamidiye Etfal Training and Research Hospital, it has been updated 5 times since 2021, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

~Feb 2021 – ~Mar 2021 · 28 days · monthly snapshotActive Not Recruiting~Mar 2021 – ~Jul 2024 · 40 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

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

    Completed

  2. Sep 2024 — Sep 2025 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. Mar 2021 — Jul 2024 [monthly]

    Completed

    Status: Active Not RecruitingCompleted

  5. Feb 2021 — Mar 2021 [monthly]

    Active Not Recruiting

    First recorded

Jan 2021

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Sisli Hamidiye Etfal Training and Research Hospital
Data source: Sisli Hamidiye Etfal Training and Research Hospital

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

Study Locations