Thrombocytopathy clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT01935245 Completed - Thrombocytopathy Clinical Trials

Platelet Function in Minimal Extracorporeal Circulation in CABG

ECCTEG

Start date: April 2013
Phase: N/A
Study type: Interventional

Rationale: Cardiac surgery with extracorporeal circulation (ECC) triggers platelets. Minimal extracorporeal circulation system (minimal-ECC) has several advantages compared with conventional ECC amongst less platelet activation. Platelet function can be analysed with thromboelastography (TEG) and multiple electrode aggregometry (MEA). Objective: The use of minimal ECC leads to less platelet dysfunction compared with conventional ECC in coronary artery bypass grafting (CABG) analysed with TEG and MEA Study design: Single center, prospective, randomized, pilot study Study population: Group 1: 20 patients undergoing CABG using minimal ECC. Patients continued the use of acetylsalicylic acid and discontinued the use of clopidogrel minimal 5 days preoperative. Group 2: 20 patients undergoing CABG using conventional ECC. Patients continued the use of acetylsalicylic acid and discontinued the use of clopidogrel minimal 5 days preoperative. Intervention: Group 1: CABG using minimal ECC Group 2: CABG using conventional ECC Main study parameters/endpoints: 1. Results of TEG and MEA, see detailed description 2. Per operative blood loss and total blood loss 24 hours after CABG 3. Total amount of transfused platelet units during CABG and 24 hours after CABG