Background: Safe, efficient, and reliable innovations among donation systems are needed to meet the growing global demand for source plasma. This study assessed the ability of a new donation system to collect appropriate product weights based on the US Food and Drug Administration nomogram for source plasma collections. Procedure duration and safety endpoints were also collected.
Study design and methods: The Rika Plasma Donation System (Terumo BCT, Inc., Lakewood, CO) was evaluated in a prospective, open-label, multicenter study. Healthy adults meeting FDA and Plasma Protein Therapeutics Association requirements for source plasma donor eligibility were consented and enrolled in the study resulting in 124 evaluable products.
Results: The target product collection weights (ie, including plasma and anticoagulant) by participant weight category were: 705 g (110-149 lbs), 845 g (150-174 lbs), and 900 g (≥175 lbs). The mean reported product collection weights by participant weight category were 705.0 ± 0.00, 845.0 ± 0.20, and 899.9 ± 0.31 g, respectively. The mean overall procedure time was 31.5 ± 5.41 minutes. The mean procedure times by participant weight category were 25.6 ± 3.13, 30.5 ± 4.45, and 33.7 ± 4.80 minutes, respectively. Procedure-emergent adverse events (PEAEs) occurred in five participants. All PEAEs were consistent with known risks for apheresis donation, and none were related to the donation system.
Conclusions: The new donation system collected the target product collection weight in 100% of evaluable products. The mean procedure collection time was 31.5 minutes. The system is a new efficient platform that consistently collects the appropriate weight of the source plasma.
Keywords: apheresis system; plasmapheresis; procedure duration; source plasma.
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