Salts of Clopidogrel: Investigation to ENsure Clinical Equivalence

Inclusion Criteria: * Both sexes * age \>18 years * age \<85 years * Patients with an ACS with or without percutaneous coronary intervention, stable CAD, history of an ischemic stroke/TIA, PAD, carotid artery disease or atrial fibrillation * agree on study participation * will comply with all required study procedures Exclusion Criteria: * \>85 years * \<18 years Patients with * hypersensitivity reaction or contraindication to clopidogrel, * active bleeding or history of severe bleeding (peptic ulcer, trauma or intracranial hemorrhage), * blood coagulation disorders, * uncontrolled severe hypertension, * history of drug or alcohol abuse, * pregnancy or breastfeeding, * liver disease * chronic kidney disease, * malignancy, * disagree on study participation, * evidence for poor compliance with all required study procedures