Could vitamin d levels predict COVID-19 severity? new study investigates
NCT ID NCT04394390
First seen Feb 05, 2026 · Last updated Jun 20, 2026 · Updated 17 times
Summary
This completed study looked at 1100 COVID-19 patients in Turkey to see if their blood vitamin D levels were linked to how severe their illness became. Researchers measured vitamin D levels and compared them to disease outcomes. The goal was to learn whether current vitamin D guidelines reflect real-world risk for COVID-19 patients.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Bursa City Hospital
Bursa, Dogankoy, Turkey (Türkiye)
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.