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Cazenave, J-P.; Folléa, G.; Bardiaux, L.; Boiron, J.-M.; Lafeuillade, B.; Debost, M.; Lioure, B.; Harousseau, J-L.; Tabrizi, R.; Cahn, J.-Y.; Michallet, M.; Ambruso, D.; Schots, R.; Tissot, J.-D.; Sensebé, L.; Kondo, T.; McCullough, J.; Rebulla, Paolo; Escolar, Gines; Mintz, P.; Heddle, N.M.; Goodrich, R.P.; Bruhwyler, J.; Le, C.; Cook, R.J.; Stouch, B.
Transfusion (Philadelphia, Pa.), November 2010, Letnik: 50, Številka: 11Journal Article
BACKGROUND: Pathogen reduction of platelets (PRT‐PLTs) using riboflavin and ultraviolet light treatment has undergone Phase 1 and 2 studies examining efficacy and safety. This randomized controlled clinical trial (RCT) assessed the efficacy and safety of PRT‐PLTs using the 1‐hour corrected count increment (CCI1hour) as the primary outcome. STUDY DESIGN AND METHODS: A noninferiority RCT was performed where patients with chemotherapy‐induced thrombocytopenia (six centers) were randomly allocated to receive PRT‐PLTs (Mirasol PRT, CaridianBCT Biotechnologies) or reference platelet (PLT) products. The treatment period was 28 days followed by a 28‐day follow‐up (safety) period. The primary outcome was the CCI1hour determined using up to the first eight on‐protocol PLT transfusions given during the treatment period. RESULTS: A total of 118 patients were randomly assigned (60 to PRT‐PLTs; 58 to reference). Four patients per group did not require PLT transfusions leaving 110 patients in the analysis (56 PRT‐PLTs; 54 reference). A total of 541 on‐protocol PLT transfusions were given (303 PRT‐PLTs; 238 reference). The least square mean CCI was 11,725 (standard error SE, 1.140) for PRT‐PLTs and 16,939 (SE, 1.149) for the reference group (difference, −5214; 95% confidence interval, −7542 to −2887; p < 0.0001 for a test of the null hypothesis of no difference between the two groups). CONCLUSION: The study failed to show noninferiority of PRT‐PLTs based on predefined CCI criteria. PLT and red blood cell utilization in the two groups was not significantly different suggesting that the slightly lower CCIs (PRT‐PLTs) did not increase blood product utilization. Safety data showed similar findings in the two groups. Further studies are required to determine if the lower CCI observed with PRT‐PLTs translates into an increased risk of bleeding.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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