Ticagrelor in Human Endotoxemia Response to Human Endotoxemia
Endotoxemia
About this trial
This is an interventional basic science trial for Endotoxemia focused on measuring endotoxin, LPS, ticagrelor, clopidogrel, acetylsalicyclic acid, placebo
Eligibility Criteria
Inclusion Criteria:
- Age ≥ 18 and ≤ 35 years
- Male
- No known current medical/psychiatric diseases
Exclusion Criteria:
- History, signs or symptoms of any cardiovascular disease
- History of chronic obstructive pulmonary disease (COPD) or asthma
- History of hemorrhagic diathesis, or any other disorder associated with increased risk of bleeding
- Previous spontaneous vagal collapse
- Use of any medication
- Smoking
- Liver enzyme abnormalities (defined as ALAT and/or ASAT > twice upper limit of normality)
Thrombocytopenia (<150*109
/ml) or anemia (haemoglobin < 8.0 mmol/L)
- Any obvious disease associated with immune deficiency
- Febrile illness in the week before the LPS challenge
- Hypersensitivity to ticagrelor or any excipients
- Active pathological bleeding
- History of intracranial haemorrhage
- History of dyspepsia
- quantitative bleeding assessment tool (BAT) score >3 (see Appendix 1)
- Participation in another drug trial or donation of blood 3 months prior, until 3 months after the planned LPS challenge
- Cardiac conduction abnormalities on the ECG consisting of a 2nd degree atrioventricular block, third degree atrioventricular block or a complex bundle branch block
- Hypertension (defined as RR systolic > 160 or RR diastolic > 90)
- Hypotension (defined as RR systolic < 100 or RR diastolic < 50)
- Renal impairment (defined as MDRD < 60 ml/min)
Sites / Locations
- Intensive Care Medicine, Radboud University Nijmegen Medical Centre
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Active Comparator
Placebo Comparator
Placebo Comparator
Ticagrelor and acetylsalicylic acid
Clopidogrel and acetylsalicylic acid
Placebo and acetylsalicylic acid
Placebo
7 day treatment with ticagrelor 2x90mg after a loading dose of 180 mg and acetylsalicyclic acid 1x80mg after a loading dose of 160 mg.
7 day treatment with clopidogrel x75 mg after a loading dose of 300 mg and acetylsalicyclic acid 1x80mg after a loading dose of 160 mg
7 day treatment with placebo and acetylsalicyclic acid 1x80mg after a loading dose of 160 mg
7 day treatment with 2 placebos