- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04328441
Reducing Health Care Workers Absenteeism in Covid-19 Pandemic Through BCG Vaccine (BCG-CORONA)
Reducing Health Care Workers Absenteeism in COVID-19 Pandemic by Enhanced Trained Immune Responses Through Bacillus Calmette-Guérin Vaccination, a Randomized Controlled Trial.
Rationale: Covid-19 spreads rapidly throughout the world. A large epidemic in the Netherlands would seriously challenge the available hospital capacity, and this would be augmented by absenteeism of healthcare workers (HCW). Strategies to prevent absenteeism of HCW are, therefore, desperately needed to safeguard continuous patient care. Bacille Calmette-Guérin (BCG) is a vaccine against tuberculosis, with protective non-specific effects against other respiratory tract infections in in vitro and in vivo studies, and reported significant reductions in morbidity and mortality. The hypothesis is that BCG vaccination can reduce HCW absenteeism during the epidemic phase of Covid-19.
Objective: Primary objective: To reduce absenteeism among HCW with direct patient contacts during the epidemic phase of Covid-19. Secondary objective: To reduce hospital admission, ICU admission or death in HCW with direct patient contacts during the epidemic phase of Covid-19.
Study design: A placebo-controlled adaptive multi-centre randomized controlled trial.
Study population: HCW with direct patient contacts among which nurses and physicians working at emergency rooms and wards where Covid-19-infected patients are treated.
Intervention: Participants will be randomized between intracutaneous administration of BCG vaccine or placebo in a 1:1 ratio.
Main study parameters/endpoints: Primary endpoint: number of days of (unplanned) absenteeism for any reason. Secondary endpoints include the number of days of (unplanned) absenteeism because of documented Covid-19 infection, and the cumulative incidence of hospital admission, Intensive Care Admission, and death.
Nature and extent of the burden and risks associated with participation, benefit and group relatedness: Based on previous experience and randomized controlled trials in adult and elderly individuals, the risks of BCG vaccination are considered low. The objective of this trial is to evaluate the beneficial effects of BCG vaccination through a lower work absenteeism rate of HCW and/or a mitigated clinical course of Covid-19 infection. The primary endpoint and the adaptive design with frequent interim analyses facilitate maximum efficiency of the trial, so that results can inform policy making during the ongoing epidemic.
Study Overview
Detailed Description
Since the beginning of 2020, SARS-CoV-2 spread rapidly throughout China and the rest of the world, with on 27 February 2020 the first detected case in the Netherlands.
According to the WHO, Health-care workers (HCW) face an elevated risk of exposure to - and infection of Covid-19.
Bacillus Calmette-Guérin (BCG) was developed as a vaccine against tuberculosis, but studies have shown its ability to induce potent protection against other infectious diseases: the so called non-specific effects (NSEs). A favorable in vitro or in vivo effect has been observed in studies for distinct viral pathogens, e.g. respiratory syncytial virus, yellow fever, herpes simplex virus; human papilloma virus.
Based on the capacity of BCG to reduce the incidence of respiratory tract infections in children, to exert antiviral effects in experimental models; and to reduce viremia in an experimental human model of viral infection, the hypothesis is that BCG vaccination induces (partial) protection against susceptibility to and/or severity of Covid-19 infection. This study evaluates the efficacy of BCG to improve the clinical course of Covid-19 infection and to prevent absenteeism in order to safeguard continuous patient care.
This randomized controlled trial has been designed as a pragmatic study with a highly feasible primary endpoint, which is unplanned absenteeism, that can be continuously measured on a bi-weekly basis). This allows for the most rapid identification of a beneficial outcome that would allow other HCWs to also benefit from the intervention if and as soon as it has been demonstrated to be effective.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Utrecht, Netherlands
- University Medical Center Utrecht
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Brabant
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Den Bosch, Brabant, Netherlands
- Jeroen Bosch ziekenhuis
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Gelderland
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Nijmegen, Gelderland, Netherlands
- Radboud UMC
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Nijmegen, Gelderland, Netherlands
- Canisius Wilhelmina Ziekenhuis
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Nijmegen, Gelderland, Netherlands
- Sint Maartenskliniek
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Noord Holland
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Alkmaar, Noord Holland, Netherlands
- Noordwest Ziekenhuisgroep locatie Alkmaar
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Zuid-Holland
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Den Haag, Zuid-Holland, Netherlands
- HagaZiekenhuis
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Leiden, Zuid-Holland, Netherlands
- Leiden University Medical Center
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Rotterdam, Zuid-Holland, Netherlands
- Erasmus Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Adult (≥18 years)
- Male or female
- Hospital personnel (expected to) taking care for patients with SARS CoV-2 infection
Exclusion Criteria:
- Known allergy to (components of) the BCG vaccine or serious adverse events to prior BCG administration
- Known active or latent Mycobacterium tuberculosis or with another mycobacterial species. A history with- or a suspicion of M. tuberculosis infection.
- Fever (>38 C) within the past 24 hours
- Pregnancy
- Suspicion of active viral or bacterial infection
- Vaccination in the past 4 weeks or expected vaccination during the study period, independent of the type of vaccination.
- 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 anti-cytokine therapies. i) 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
- Direct involvement in the design or the execution of the BCG-CORONA study
- Expected absence from work of ≥4 of the following 12 weeks due to any reason (holidays, maternity leave, retirement, planned surgery etc)
- Employed to the hospital < 22 hours per week
- Not in possession of a smartphone
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: BCG vaccine
Intracutaneously 0.1ml BCG vaccine, which accounts for 0.075mg of attenuated Mycobacterium bovis.
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Intracutaneously 0.1ml BCG vaccine, which accounts for 0.075mg of attenuated Mycobacterium bovis
Other Names:
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Placebo Comparator: Placebo
Intracutaneously 0.1ml of 0.9% NaCl solution
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Intracutaneously 0.1ml NaCl 0,9%
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Health Care Workers absenteeism
Time Frame: Maximum of 365 days
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Number of days of unplanned absenteeism for any reason
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Maximum of 365 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
the cumulative incidence of documented COVID-19
Time Frame: Maximum of 365 days
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Maximum of 365 days
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the cumulative incidence of Hospital Admission due to documented COVID-19
Time Frame: Maximum of 365 days
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Maximum of 365 days
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the number of days of unplanned absenteeism, because of documented COVID-19
Time Frame: Maximum of 365 days
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Maximum of 365 days
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the cumulative incidence of self-reported acute respiratory symptoms or fever
Time Frame: Maximum of 365 days
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Maximum of 365 days
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the cumulative incidence of death due to documented COVID-19
Time Frame: Maximum of 365 days
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Maximum of 365 days
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the cumulative incidence of Intensive Care Admission due to documented COVID-19
Time Frame: Maximum of 365 days
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Maximum of 365 days
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the number of days of absenteeism, because of imposed quarantine as a result of exposure to COVID-19
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the number of days of absenteeism, because of imposed quarantine as a result of having acute respiratory symptoms, fever or documented COVID-19
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the number of days of unplanned absenteeism because of self-reported acute respiratory symptoms
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the number of days of self-reported fever (≥38 gr C)
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the cumulative incidence of self-reported fever (≥38 gr C)
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the number of days of self-reported acute respiratory symptoms
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the cumulative incidence of self-reported acute respiratory symptoms
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the cumulative incidence of death for any reason
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the cumulative incidence of Intensive Care Admission for any reason
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the cumulative incidence of Hospital Admission for any reason
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the cumulative incidence and magnitude of plasma/serum antibodies (IgA,M,G) and SARS-CoV-2-specific antibodies at 12 weeks after vaccination and at the end of the study period
Time Frame: Maximum of 365 days
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Exploratory
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Maximum of 365 days
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the cumulative incidence and magnitude of plasma/serum antibodies (IgA,M,G) and SARS-CoV-2-specific antibodies at 12 weeks after vaccination and at the end of the study period
Time Frame: 3-6 months after inclusion
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Exploratory
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3-6 months after inclusion
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Marc Bonten, MD, PhD, UMC Utrecht
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Coronavirus Infections
- Coronaviridae Infections
- Nidovirales Infections
- RNA Virus Infections
- Virus Diseases
- Infections
- Respiratory Tract Infections
- Respiratory Tract Diseases
- Pneumonia, Viral
- Pneumonia
- Lung Diseases
- COVID-19
- Physiological Effects of Drugs
- Immunologic Factors
- Adjuvants, Immunologic
- BCG Vaccine
Other Study ID Numbers
- NL73249.041.20
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
The content of the study protocol is published. The statistical analysis plan is attached. The informed consent form (in Dutch) could be obtained by sending a mail to one of the contact persons.
The clinical study report and analytic code could be obtained by sending a mail to one of the contact persons after publication of the study in a peer-reviewed journal.
IPD Sharing Supporting Information Type
- Study Protocol
- Statistical Analysis Plan (SAP)
- Informed Consent Form (ICF)
- Clinical Study Report (CSR)
- Analytic Code
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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