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Reducing hospital admission of elderly in SARS-CoV-2 pandemic via the induction of trained immunity by bacillus Calmette-Guérin vaccination, a randomized controlled trial.

Phase 4
Completed
Conditions
coronavirus
SARS-CoV-2/COVID-19
10047438
Registration Number
NL-OMON49238
Lead Sponsor
Radboud Universitair Medisch Centrum
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
Not specified
Target Recruitment
2000
Inclusion Criteria

In order to be eligible to participate in this study, a subject must meet the
following criteria:
• Adult (>= 60 years)
• Written informed consent

Exclusion Criteria

• Fever (>38 ºC) within the past 24 hours
• Suspicion of current active viral or bacterial infection
- Vaccination within 3 months of start studyperiod
• Severely immunocompromised subjects. This exclusion category comprises: a)
subjects with known infection by the human immunodeficiency virus (HIV-1); b)
neutropenic subjects with less than 500 neutrophils/mm3; c) subjects with solid
organ transplantation; d) subjects with bone marrow transplantation; e)
subjects under chemotherapy; f) subjects with primary immunodeficiency; g)
severe lymphopenia with less than 400 lymphocytes/mm3; h) treatment with any
immunosuppressant drugs such as anti-cytokine therapies, and treatment with
oral or intravenous steroids defined as daily doses of 10mg prednisone or
equivalent for longer than 3 months, or probable use of oral or intravenous
steroids in the following four weeks
• Active solid or non-solid malignancy or lymphoma within the prior two years
• Active participation in another research study that involves BCG
administration

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
<p>Primary endpoint: clinically relevant respiratory tract infections (including<br /><br>COVID-19 hospitalisation)</p><br>
Secondary Outcome Measures
NameTimeMethod
<p>Secondary endpoints will be:<br /><br><br /><br>• the duration of hospital admission<br /><br>• the cumulative incidence of documented SARS-CoV-2 infection<br /><br>• the number of days of self-reported fever (>=38 ºC)<br /><br>• the number of days of self-reported acute respiratory symptoms<br /><br>• the cumulative incidence of self-reported acute respiratory symptoms<br /><br>• the cumulative incidence of death for any reason<br /><br>• the cumulative incidence of death due to documented SARS-CoV-2 infection<br /><br>• the cumulative incidence of Intensive Care Admission for any reason<br /><br>• the cumulative incidence of Intensive Care Admission due to documented<br /><br>SARS-CoV-2 infection<br /><br>• the cumulative incidence of hospital admission due to documented SARS-CoV-2<br /><br>infection</p><br>
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