The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients (VITDALIZE)
The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients With Severe Vitamin D Deficiency: a Multicenter, Placebo-controlled Double-blind Phase III Randomized Controlled Trial (RCT)
Sponsor: Barmherzige Brüder Vienna
This PHASE3 trial investigates Covid19 and Critical Illness and is currently actively recruiting participants. Barmherzige Brüder Vienna leads this study, which shows 29 recorded versions since 2017 — indicating substantial longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.
Status Flow
Change History
29 versions recorded-
Dec 2025 — Present [monthly]
Recruiting PHASE3
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Sep 2025 — Dec 2025 [monthly]
Recruiting PHASE3
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Mar 2025 — Sep 2025 [monthly]
Recruiting PHASE3
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Feb 2025 — Mar 2025 [monthly]
Recruiting PHASE3
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Sep 2024 — Feb 2025 [monthly]
Recruiting PHASE3
▶ Show 24 earlier versions
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Jul 2024 — Sep 2024 [monthly]
Recruiting PHASE3
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Jun 2024 — Jul 2024 [monthly]
Recruiting PHASE3
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Feb 2024 — Jun 2024 [monthly]
Recruiting PHASE3
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Oct 2023 — Feb 2024 [monthly]
Recruiting PHASE3
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Jun 2023 — Oct 2023 [monthly]
Recruiting PHASE3
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Mar 2023 — Jun 2023 [monthly]
Recruiting PHASE3
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Jan 2023 — Mar 2023 [monthly]
Recruiting PHASE3
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Nov 2022 — Jan 2023 [monthly]
Recruiting PHASE3
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Jul 2022 — Nov 2022 [monthly]
Recruiting PHASE3
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Apr 2022 — Jul 2022 [monthly]
Recruiting PHASE3
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Jan 2022 — Apr 2022 [monthly]
Recruiting PHASE3
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Feb 2021 — Jan 2022 [monthly]
Recruiting PHASE3
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Jan 2021 — Feb 2021 [monthly]
Recruiting PHASE3
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Feb 2020 — Jan 2021 [monthly]
Recruiting PHASE3
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Jan 2020 — Feb 2020 [monthly]
Recruiting PHASE3
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Nov 2019 — Jan 2020 [monthly]
Recruiting PHASE3
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Aug 2019 — Nov 2019 [monthly]
Recruiting PHASE3
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Mar 2019 — Aug 2019 [monthly]
Recruiting PHASE3
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Feb 2019 — Mar 2019 [monthly]
Recruiting PHASE3
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Aug 2018 — Feb 2019 [monthly]
Recruiting PHASE3
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Jun 2018 — Aug 2018 [monthly]
Recruiting PHASE3
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Mar 2018 — Jun 2018 [monthly]
Recruiting PHASE3
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Nov 2017 — Mar 2018 [monthly]
Recruiting PHASE3
Status: Not Yet Recruiting → Recruiting
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Jul 2017 — Nov 2017 [monthly]
Not Yet Recruiting PHASE3
First recorded
Eligibility Summary
No eligibility information available.
Contact Information
- Barmherzige Brüder Vienna
- Centre Hospitalier Régional de la Citadelle
- Centre Hospitalier Universitaire Mons
- Centre Hospitalier Universitaire de Charleroi
- East Lancashire Hospitals NHS Trust
- Erasme University Hospital
- Goethe University
- Great Western Hospital
- Guy's and St Thomas' NHS Foundation Trust
- Heartlands Hospital
- Hospital Barmherzige Brüder Graz
- Hospital Barmherzige Brüder St. Veit
- Johannes Gutenberg University Mainz
- Johannes Kepler University of Linz
- KABEG Management
- Kages
- Klinikum Klagenfurt am Wörthersee
- Klinikum rechts der Isar der TUM
- Krankenhaus Barmherzige Schwestern Linz
- Landeskrankenhaus Villach
- Medical University of Graz
- Medical University of Vienna
- Mid Yorkshire Teaching NHS Trust
- Musgrove Park Hospital
- Nottingham University Hospitals
- Royal Bolton Hospital NHS Foundation Trust
- Royal Oldham Hospital
- Royal Victoria Hospital, Belfast
- Scunthorpe General Hospital
- The Queen Elizabeth Hospital
- University Hospital Kiel
- University Hospital, Bonn
- University Hospital, Essen
- University of Plymouth
- Wuerzburg University Hospital
For direct contact, visit the study record on ClinicalTrials.gov .
Study Locations
Birmingham, United Kingdom , Brussels, Belgium , Charleroi, Belgium , Enzenbach, Austria , Feldbach, Austria , Graz, Austria , Klagenfurt, Austria , Leoben, Austria , Linz, Austria , Liège, Belgium and 5 more locations