| Trial registration number
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NCT04579640 |
Full text link
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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https://clinicaltrials.gov/show/NCT04579640
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First author
Last imported at : Dec. 3, 2020, 12:31 a.m.
Source : ClinicalTrials.gov
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Adrian R Martineau, MD PhD
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Contact
Last imported at : Dec. 3, 2020, 12:31 a.m.
Source : ClinicalTrials.gov
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a.martineau@qmul.ac.uk
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Registration date
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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2020-10-08
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Recruitment status
Last imported at : April 7, 2022, 9:30 p.m.
Source : ClinicalTrials.gov
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Completed
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Study design
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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RCT
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Allocation
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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Randomized
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Design
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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Parallel
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Masking
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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Open label
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Center
Last imported at : March 15, 2023, 4 a.m.
Source : ClinicalTrials.gov
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single-center
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Study aim
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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Prevention
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Inclusion criteria
Last imported at : Nov. 16, 2021, 6:30 p.m.
Source : ClinicalTrials.gov
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inclusion criteria:
uk resident
age ≥16 years
gives informed consent to participate
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Exclusion criteria
Last imported at : Nov. 16, 2021, 6:30 p.m.
Source : ClinicalTrials.gov
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taking digoxin, alfacalcidol, calcitriol, dihydrotachysterol or paricalcitol
known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis
known allergy to any ingredient in the study capsules (vitamin d, olive oil, caramel, gelatine or glycerol)
pregnancy
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Number of arms
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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3
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Funding
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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Queen Mary University of London
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Inclusion age min
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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16
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Inclusion age max
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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100
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Countries
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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United Kingdom
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Type of patients
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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Healthy volunteers
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Severity scale
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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N/A
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Total sample size
Last imported at : Dec. 3, 2020, 12:31 a.m.
Source : ClinicalTrials.gov
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6200
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primary outcome
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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Proportion of participants experiencing at least one doctor-diagnosed or laboratory-confirmed acute respiratory infection of any cause.
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Notes
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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None
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Phase
Last imported at : Feb. 25, 2021, 7:58 p.m.
Source : ClinicalTrials.gov
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Phase 3
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Arms
Last imported at : Oct. 26, 2020, 11:31 p.m.
Source : ClinicalTrials.gov
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[{"arm_notes": "20mg", "treatment_id": 1370, "treatment_name": "Vitamin d", "treatment_type": "Vitamins and dietary supplements", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "80mg", "treatment_id": 1370, "treatment_name": "Vitamin d", "treatment_type": "Vitamins and dietary supplements", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2188, "treatment_name": "Standard of care", "treatment_type": "Standard of care", "pharmacological_treatment": "Standard of care"}]
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