Study Design After the eligibility assessment during screening and obtaining a written informed consent form, the volunteers' demographic information and medical history will be recorded. In addition to the hemogram and pregnancy test to be performed on the volunteers in this study, an additional tube (approximately 8 ml (±10%) for the VACUSERA® Single PRP Tube or approximately 7 ml (±10%) for the VACUSERA® Single Gel PRP Tube) will be used to obtain platelet-rich plasma (PRP). After centrifugation of the PRP tubes, the platelet (PLT) count in the resulting plasma will be analyzed, and the concentration increase in relation to whole blood will be evaluated.
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Increasing platelet concentration
Timeframe: Day 1: Blood will be taken on the same day and sent for analysis for counting.