deltatrials
Completed PHASE2 INTERVENTIONAL 2-arm NCT01443728

Vitamin D for Sickle-cell Respiratory Complications

Sponsor: Gary M Brittenham, MD

Updated 12 times since 2017 Last updated: Jul 13, 2024 Started: Dec 13, 2011 Primary completion: Jun 20, 2013 Completion: Feb 15, 2015
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT01443728, this PHASE2 trial focuses on Acute Chest Syndrome and Asthma and remains completed. Sponsored by Gary M Brittenham, MD, it has been updated 12 times since 2011, reflecting substantial change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotActive Not Recruiting~Feb 2017 – ~Jul 2017 · 5 months · monthly snapshotActive Not Recruiting~Jul 2017 – ~Jun 2018 · 11 months · monthly snapshotActive Not Recruiting~Jun 2018 – ~Apr 2019 · 10 months · monthly snapshotActive Not Recruiting~Apr 2019 – ~May 2019 · 30 days · monthly snapshotActive Not Recruiting~May 2019 – ~Mar 2020 · 10 months · monthly snapshotActive Not Recruiting~Mar 2020 – ~Aug 2020 · 5 months · monthly snapshotActive Not Recruiting~Aug 2020 – ~Jan 2021 · 5 months · monthly snapshotCompleted~Jan 2021 – ~Apr 2022 · 15 months · monthly snapshotCompleted~Apr 2022 – ~Jul 2024 · 27 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

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

    Completed PHASE2

  2. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

  3. Apr 2022 — Jul 2024 [monthly]

    Completed PHASE2

  4. Jan 2021 — Apr 2022 [monthly]

    Completed PHASE2

  5. Aug 2020 — Jan 2021 [monthly]

    Completed PHASE2

    Status: Active Not RecruitingCompleted

Show 7 earlier versions
  1. Mar 2020 — Aug 2020 [monthly]

    Active Not Recruiting PHASE2

  2. May 2019 — Mar 2020 [monthly]

    Active Not Recruiting PHASE2

  3. Apr 2019 — May 2019 [monthly]

    Active Not Recruiting PHASE2

  4. Jun 2018 — Apr 2019 [monthly]

    Active Not Recruiting PHASE2

  5. Jul 2017 — Jun 2018 [monthly]

    Active Not Recruiting PHASE2

  6. Feb 2017 — Jul 2017 [monthly]

    Active Not Recruiting PHASE2

  7. Jan 2017 — Feb 2017 [monthly]

    Active Not Recruiting PHASE2

    First recorded

Dec 2011

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Gary M Brittenham, MD
Data source: Columbia University

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

Study Locations