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This study evaluates the incidence, patient characteristics and outcome of myocarditis after the COVID-19 mRNA vaccination in healthcare professionals.
Considering previous reports of cardiovascular adverse events, passive surveillance might not identify all myocarditis/myopericarditis cases after COVID-19 vaccination and it is possible that a mild/subclinical myocarditis might be much more prevalent in the population. This research project has three aims: first, provide novel insights regarding the incidence, patient characteristics and outcome of myocarditis. Second, provide a safety net by active surveillance for myocarditis, allowing early initiation of appropriate therapy. Third, provide reassurance to the public regarding myocarditis, as questions have been raised by critics of the pharmaceutical industry that Phase III studies performed by the pharmaceutical industry may have not appropriately captured adverse events.
This study is screening persons undergoing the COVID-19 mRNA booster vaccination of possible development of myocarditis. This approach in detecting myocarditis would help early initiation of the right treatment under close monitoring of the clinical course. Furthermore, this kind of study might also help understand the development of myocarditis and possibly the reasons for sex differences. Myocarditis suspicion is raised when patients present symptoms of acute chest discomfort, myalgia, fever/chills, abnormal ECG, increased concentrations of high-sensitivity cardiac troponin T (hs-cTnT), possibly supported by signs of cardiac inflammation in cMRI (myocardial oedema, myocardial/pericardial late gadolinium enhancement, pericardial effusion). Since the study is performed on health care professionals working in the University Hospital Basel, it is able to monitor more closely the possible side effects of the mRNA vaccination. Consecutive individuals that received a COVID-19 mRNA vaccine booster and undergo a systematic approach to detect myocarditis at the University Hospital Basel will be included.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| healthcare professionals with COVID-19 mRNA vaccine booster | Consecutive individuals that received a COVID-19 mRNA vaccine booster and undergo a systematic approach to detect myocarditis at the University Hospital Basel. The project population includes mainly healthcare workers, aged between 16-65, most of them with presumable no comorbidities. Baseline characteristics include age, divided in several groups (16-20 years, 21-25 years, 26-30 years, 31-35 years, 36-40 years, 41-45 years, 46-50 years, 51-55 years, 56-60 years, 61-65 years). |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| data collection in healthcare professionals with COVID-19 mRNA vaccine booster | Other | Day 3 (48 - 96h) post COVID-19 mRNA booster: data collection on symptoms (chest pain, dyspnea, myalgia, fever, chills); blood sample for cardiomyocyte injury (hs-cTnT, hs-cTnI). If elevated hs-cTnT concentration, participant has to avoid strenuous exercise. Work-up on Day 4: clinical evaluation, ECG, 2. blood sampling for hs-cTnT. If hs-cTnT > 100 ng/l, cardiac magnetic resonance imaging is done for signs of cardiac inflammation. If hs-cTnT rises above upper limit but doesn't exceed 100 ng/l, clinical exam might be evaluated. In confirmed myocarditis, a clinical assessment (treatment, need for hospitalization, length of rhythm monitoring, rest) is evaluated by a cardiologist. Day 4: EDTA blood from all subjects with elevated troponin at day 3 post-vaccination is collected for pathomechanism of mRNA vaccine associated myocarditis. 1-month follow-up: questionnaire on predefined cardiac endpoints. |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of myocarditis after mRNA COVID-19 mRNA booster vaccine | The primary endpoint is centrally adjudicated myocarditis after mRNA COVID-19 mRNA vaccine by a cardiologist according to current European Society of Cardiology (ESC) guidelines. | Assessment at day 3 (48- 96h) post-vaccination |
| Measure | Description | Time Frame |
|---|---|---|
| Number of participants developing symptoms after the COVID-19 booster | Number of participants developing symptoms after the COVID-19 booster | Assessment at day 3 (48- 96h) post-vaccination |
| Number of participants with MRI abnormalities after COVID-19 booster |
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Inclusion Criteria:
Exclusion Criteria:
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Consecutive individuals that received a COVID-19 mRNA vaccine booster and undergo a systematic approach to detect myocarditis at the University Hospital Basel will be included. The project population includes mainly healthcare workers, aged between 16-65.
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| Name | Affiliation | Role |
|---|---|---|
| Christian Müller, Prof. Dr. med. | University Hospital Basel, Department of Cardiology | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Basel, Department of Cardiology | Basel | 4031 | Switzerland |
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| ID | Term |
|---|---|
| D009205 | Myocarditis |
| D002318 | Cardiovascular Diseases |
| ID | Term |
|---|---|
| D009202 | Cardiomyopathies |
| D006331 | Heart Diseases |
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| ID | Term |
|---|---|
| D003625 | Data Collection |
| D006282 | Health Personnel |
| ID | Term |
|---|---|
| D004812 | Epidemiologic Methods |
| D008919 | Investigative Techniques |
| D017531 | Health Care Evaluation Mechanisms |
| D011787 | Quality of Health Care |
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|
Number of participants with MRI abnormalities after COVID-19 booster |
| Assessment at day 4 post-vaccination |
| Composite of major adverse cardiac events | MACE is defined as a composite of acute heart failure (requiring admission to a hospital or intra-hospital transfer to the intensive care unit), cardiac death, life-threatening arrhythmia (cardiac arrest, sustained ventricular tachycardia, AV-block III), signs of left bundle branch block (LBBB) within 1 month after mRNA COVID-19 vaccination. | 1-month follow-up post-vaccination |
| Need for hospitalization | Need for hospitalization | At day 4 post-vaccination |
| Need for medical treatment | Medical treatment could include, nonsteroidal anti-inflammatory medication (NSAIDs), use of immunomodulatory therapy such as colchicine (in cases with presumed pericardial inflammation) and intravenous globulins or corticosteroids, paracetamol, or morphine. | At day 4 post-vaccination |
| hs-cTnT/I concentrations on day 4 | hs-cTnT/I concentrations on day 4 | At day 4 post-vaccination |
| Total sum of costs (CHF) | Total sum of costs from involved study personnel, blood sampling, material used and further diagnostic work-up and treatment to estimate the financial value related to future screening of individuals receiving mRNA vaccines. | 1-month follow-up post-vaccination |
| T cell reactivity | T cell reactivity (against the SARS-CoV2 Spike, protein, myosin) in EDTA blood | Assessment at day 4 post-vaccination |
| D017530 | Health Care Quality, Access, and Evaluation |
| D011634 | Public Health |
| D004778 | Environment and Public Health |
| D005159 | Health Care Facilities Workforce and Services |