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Cid J, Charry P, Lozano M. Therapeutic efficacy and safety of pathogen-reduced platelet components: Results of a meta-analysis of randomized controlled trials. Vox Sang 2024; 119:203-211. [PMID: 38181391 DOI: 10.1111/vox.13573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 11/22/2023] [Accepted: 11/27/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND AND OBJECTIVES Clinical efficacy and safety of pathogen-reduced platelet concentrates (PR-PCs) concerning bleeding prevention are still debated despite conclusive real-world data from multiple countries where PR-PCs are transfused routinely. We performed a meta-analysis of randomized controlled trials (RCTs) comparing the clinical efficacy and safety of conventional platelet components (PCs) and PR-PCs prepared with the amotosalen/ultraviolet A light (INTERCEPT platelet concentrate [I-PC]) or riboflavin/ultraviolet light (Mirasol platelet concentrate [M-PC]) technologies, transfused in thrombocytopenic adult patients. MATERIALS AND METHODS A literature search was conducted, and 10 RCTs met the criteria for inclusion in this meta-analysis. Summary odds ratios (ORs) of clinically significant bleeding (World Health Organization [WHO] bleeding grade ≥2), severe bleeding (WHO bleeding score ≥3) and all-cause mortality were calculated. RESULTS The use of I-PC was not associated with an increase in the OR of clinically significant bleeding when compared to non-treated PCs (OR, 1.12; 95% CI: 0.89-1.41; p = 0.33), whereas transfusions with M-PC showed an increase in clinically significant bleeding (OR, 1.34; 95% CI: 1.03-1.75; p = 0.03). The OR of severe bleeding did not increase with either I-PC or M-PC (OR 0.88; 95% CI: 0.59-1.31; p = 0.52 for I-PC; OR 1.25; 95% CI: 0.66-2.37; p = 0.49 for M-PC). In the case of all-cause mortality, compared to non-treated PC, I-PC showed an OR of 0.61 (95% CI: 0.36-1.04; p = 0.07), and M-PC showed an OR of 3.04 (95% CI: 0.81-11.47; p = 0.1). CONCLUSION No differences were observed concerning the clinical efficacy and safety of overall PR-PCs when compared to non-treated PCs. However, differences are evident when analysing platelets prepared with the two PR technologies independently.
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Affiliation(s)
- Joan Cid
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Paola Charry
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Miquel Lozano
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain
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Koepsell SA, Stolla M, Sedjo RL, Carson J, Knudson M, Cook R, Fasano R, Ngamsuntikul SG, Cohn C, Gorlin J, Delaney M, Slichter S, Ness P, McCullough J. Results of clinical effectiveness of conventional versus Mirasol-treated Apheresis Platelets in Patients with Hypoproliferative Thrombocytopenia (MiPLATE) trial. Transfusion 2024; 64:457-465. [PMID: 38314476 DOI: 10.1111/trf.17720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 11/27/2023] [Accepted: 12/24/2023] [Indexed: 02/06/2024]
Abstract
BACKGROUND The Mirasol® Pathogen Reduction Technology System was developed to reduce transfusion-transmitted diseases in platelet (PLT) products. STUDY DESIGN AND METHODS MiPLATE trial was a prospective, multicenter, controlled, randomized, non-inferiority (NI) study of the clinical effectiveness of conventional versus Mirasol-treated Apheresis PLTs in participants with hypoproliferative thrombocytopenia. The novel primary endpoint was days of ≥Grade 2 bleeding with an NI margin of 1.6. RESULTS After 330 participants were randomized, a planned interim analysis of 297 participants (145 MIRASOL, 152 CONTROL) receiving ≥1 study transfusion found a 2.79-relative rate (RR) in the MIRASOL compared to the CONTROL in number of days with ≥Grade 2 bleeding (95% confidence interval [CI] 1.67-4.67). The proportion of subjects with ≥Grade 2 bleeding was 40.0% (n = 58) in MIRASOL and 30.3% (n = 46) in CONTROL (RR = 1.32, 95% CI 0.97-1.81, p = .08). Corrected count increments were lower (p < .01) and the number of PLT transfusion episodes per participant was higher (RR = 1.22, 95% CI 1.05-1.41) in MIRASOL. There was no difference in the days of PLT support (hazard ratio = 0.86, 95% CI 0.68-1.08) or total number of red blood cell transfusions (RR = 1.12, 95% CI 0.91-1.37) between MIRASOL versus CONTROL. Transfusion emergent adverse events were reported in 119 MIRASOL participants (84.4%) compared to 133 (82.6%) participants in CONTROL (p = NS). DISCUSSION This study did not support that MIRASOL was non-inferior compared to conventional platelets using the novel endpoint number of days with ≥Grade 2 bleeding in MIRASOL when compared to CONTROL.
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Affiliation(s)
- Scott A Koepsell
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Moritz Stolla
- Division of Hematology, Department of Medicine, University of Washington, Seattle, Washington, USA
| | - Rebecca L Sedjo
- Clinical Research and Development, Terumo BCT, Inc., Lakewood, Colorado, USA
| | - Jeffrey Carson
- Department of Medicine, Robert Wood Johnson Medical School, New Brunswick, New Jersey, USA
| | - Michael Knudson
- Department of Pathology, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
| | - Richard Cook
- Lifetime Scientific Inc., Waterloo, Ontario, Canada
| | - Ross Fasano
- Center for Transfusion and Cellular Therapies, Department of Pathologyand Laboratory Medicine, Emory University School of Medicine, Atlanta, GA
| | | | - Claudia Cohn
- Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Jed Gorlin
- Memorial Blood Centers, Minneapolis, Minnesota, USA
| | - Meghan Delaney
- Department of Pathology, Children's National Hospital and The George Washington University School of Medicine, Washington, DC, USA
| | - Sherrill Slichter
- Department of Medicine, Division of Hematology, University of Washington, Seattle, Washington, USA
| | - Paul Ness
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Jeffrey McCullough
- Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota, USA
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Brouard N, Pissenem-Rudwill F, Mouriaux C, Haas D, Galvanin A, Kientz D, Mangin PH, Isola H, Hechler B. Biochemical and functional characteristics of stored (double-dose) buffy-coat platelet concentrates treated with amotosalen and a prototype UVA light-emitting diode illuminator. Transfusion 2023; 63:1937-1950. [PMID: 37615493 DOI: 10.1111/trf.17519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/08/2023] [Accepted: 07/12/2023] [Indexed: 08/25/2023]
Abstract
BACKGROUND Pathogen reduction of platelet concentrates (PCs) using amotosalen and broad-spectrum UVA illumination contributes to the safety of platelet transfusion by reducing the risk of transfusion-transmitted infections. We evaluated the in vitro quality of stored buffy-coat (BC) PCs treated with amotosalen and a prototype light-emitting diode (LED) illuminator. METHODS Double-dose BC-PCs collected into PAS-III/plasma or SSP+ /plasma (55/45%) were treated with amotosalen in combination with either conventional UVA lamps (INT100 Illuminator 320-400 nm) or LED illuminators at 350 nm. Platelet quality and function were evaluated over 7 days. RESULTS Platelet counts were conserved during storage in all groups, as was platelet swirling without appearance of macroscopic aggregates. Integrin αIIbβ3 and glycoprotein (GP) VI expression remained stable, whereas GPIbα and GPV declined similarly in all groups. UV lamp- and LED-treated PCs displayed similar glucose consumption, lactate generation, and pH variation. Comparable spontaneous and residual P-selectin and phosphatidylserine exposure, activated αIIbβ3 exposure, mitochondrial membrane potential, lactate dehydrogenase release, and adhesive properties under flow conditions were observed during storage. The use of SSP+ /plasma compared with PAS-III/plasma better preserved most of these parameters, especially during late storage, irrespective of the type of illuminator. CONCLUSION Replacing the UVA lamp for photochemical treatment by LED illuminators had no impact on platelet metabolism, spontaneous activation, apoptosis or viability, or on the in vitro function of BC-PCs stored for 7 days in SSP+ or PAS-III/plasma. These findings support improved procedures for the pathogen reduction and storage of PCs, to ensure transfusion safety and retention of platelet functional properties.
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Affiliation(s)
- Nathalie Brouard
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | | | - Clarisse Mouriaux
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Delphine Haas
- Etablissement Français du Sang (EFS) Grand Est, Strasbourg, France
| | - Adeline Galvanin
- Etablissement Français du Sang (EFS) Grand Est, Strasbourg, France
| | - Daniel Kientz
- Etablissement Français du Sang (EFS) Grand Est, Strasbourg, France
| | - Pierre H Mangin
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Hervé Isola
- Etablissement Français du Sang (EFS) Grand Est, Strasbourg, France
| | - Béatrice Hechler
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
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Burnouf T, Chou ML, Lundy DJ, Chuang EY, Tseng CL, Goubran H. Expanding applications of allogeneic platelets, platelet lysates, and platelet extracellular vesicles in cell therapy, regenerative medicine, and targeted drug delivery. J Biomed Sci 2023; 30:79. [PMID: 37704991 PMCID: PMC10500824 DOI: 10.1186/s12929-023-00972-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 08/23/2023] [Indexed: 09/15/2023] Open
Abstract
Platelets are small anucleated blood cells primarily known for their vital hemostatic role. Allogeneic platelet concentrates (PCs) collected from healthy donors are an essential cellular product transfused by hospitals to control or prevent bleeding in patients affected by thrombocytopenia or platelet dysfunctions. Platelets fulfill additional essential functions in innate and adaptive immunity and inflammation, as well as in wound-healing and tissue-repair mechanisms. Platelets contain mitochondria, lysosomes, dense granules, and alpha-granules, which collectively are a remarkable reservoir of multiple trophic factors, enzymes, and signaling molecules. In addition, platelets are prone to release in the blood circulation a unique set of extracellular vesicles (p-EVs), which carry a rich biomolecular cargo influential in cell-cell communications. The exceptional functional roles played by platelets and p-EVs explain the recent interest in exploring the use of allogeneic PCs as source material to develop new biotherapies that could address needs in cell therapy, regenerative medicine, and targeted drug delivery. Pooled human platelet lysates (HPLs) can be produced from allogeneic PCs that have reached their expiration date and are no longer suitable for transfusion but remain valuable source materials for other applications. These HPLs can substitute for fetal bovine serum as a clinical grade xeno-free supplement of growth media used in the in vitro expansion of human cells for transplantation purposes. The use of expired allogeneic platelet concentrates has opened the way for small-pool or large-pool allogeneic HPLs and HPL-derived p-EVs as biotherapy for ocular surface disorders, wound care and, potentially, neurodegenerative diseases, osteoarthritis, and others. Additionally, allogeneic platelets are now seen as a readily available source of cells and EVs that can be exploited for targeted drug delivery vehicles. This article aims to offer an in-depth update on emerging translational applications of allogeneic platelet biotherapies while also highlighting their advantages and limitations as a clinical modality in regenerative medicine and cell therapies.
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Affiliation(s)
- Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan.
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.
- International Ph.D. Program in Cell Therapy and Regenerative Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
| | - Ming-Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- Institute of Clinical Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - David J Lundy
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Er-Yuan Chuang
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Ching-Li Tseng
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Hadi Goubran
- Saskatoon Cancer Centre and College of Medicine, University of Saskatchewan, Saskatchewan, Canada
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Ladaique P, Etienne JM, Pedini P, Chiaroni J, Vey N, Picard C, Chabrieres C. Therapeutic efficacy of platelet transfusion treated with amotosalen/UVA pathogen inactivation technology (INTERCEPT TM Blood System) in acute myeloid leukemia patients undergoing chemotherapy with curative intent: a single center experience. Blood Transfus 2023; 21:400-408. [PMID: 36795348 PMCID: PMC10497385 DOI: 10.2450/2023.0143-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 11/25/2022] [Indexed: 02/17/2023]
Abstract
BACKGROUND The INTERCEPTTM Blood System (Intercept Blood System, Cerus Europe BV, Amersfoort, the Netherlands) has been used to reduce or inactivate pathogen load in platelet concentrates in France for three years. MATERIALS AND METHODS After comparing the transfusion efficiency between pathogen-reduced platelets (PR_PLT) and untreated platelet products (U_PLT), our single-center observational study assessed the effectiveness of PR_PLT for the prevention of bleeding and for therapeutic treatment of WHO grade 2 bleeding in 176 patients undergoing chemotherapy with curative intent for acute myeloid leukemia (AML). The main endpoints were the 24-hour (h) corrected count increment (24h_CCI) after each transfusion, and time to next transfusion. RESULTS Whereas the transfused doses tended to be higher in the PR_PLT group compared to U_PLT, there was a significant difference in intertransfusion interval (ITI) and 24h_CCI. In prophylactic transfusions, PR_PLT transfusions of >0.65×1011/10 kg, regardless of the age of the product (day 2 to day 5), resulted in a 24h_CCI similar to that of the untreated platelet product; this meant the patient could be transfused at least every 48h. In contrast, most PR_PLT transfusions of <0.55×1011/10 kg did not achieve a transfusion interval of 48h. In the context of WHO grade 2 bleeding, PR_PLT transfusions >0.65×1011/10 kg and storage of less than 4 days seems more effective in stopping bleeding. DISCUSSION These results, which must be confirmed by prospective studies, indicate the need for vigilance regarding the quantity and quality of PR_PLT products used to treat patients at risk of bleeding crisis. Future prospective studies are needed to confirm these findings.
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Affiliation(s)
- Patrick Ladaique
- Hematology Department, Institut Paoli-Calmettes, Marseille, France
| | | | - Pascal Pedini
- EFS PACA-Corse, Marseille, France
- Aix Marseille Université, CNRS, EFS, ADES, Marseille, France
| | - Jacques Chiaroni
- EFS PACA-Corse, Marseille, France
- Aix Marseille Université, CNRS, EFS, ADES, Marseille, France
| | - Norbert Vey
- Hematology Department, Institut Paoli-Calmettes, Marseille, France
- Centre de Recherche en Cancérologie de Marseille (CRCM), Inserm, CNRS, Aix-Marseille Université, Marseille, France
| | - Christophe Picard
- EFS PACA-Corse, Marseille, France
- Aix Marseille Université, CNRS, EFS, ADES, Marseille, France
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6
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Pitman JP, Payrat JM, Park MS, Liu K, Corash L, Benjamin RJ. Longitudinal analysis of annual national hemovigilance data to assess pathogen reduced platelet transfusion trends during conversion to routine universal clinical use and 7-day storage. Transfusion 2023; 63:711-723. [PMID: 36802055 DOI: 10.1111/trf.17285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 01/27/2023] [Accepted: 01/28/2023] [Indexed: 02/20/2023]
Abstract
BACKGROUND France converted to universal pathogen reduced (PR; amotosalen/UVA) platelets in 2017 and extended platelet component (PC) shelf-life from 5- to 7-days in 2018 and 2019. Annual national hemovigilance (HV) reports characterized longitudinal PC utilization and safety over 11 years, including several years prior to PR adoption as the national standard of care. METHODS Data were extracted from published annual HV reports. Apheresis and pooled buffy coat [BC] PC use was compared. Transfusion reactions (TRs) were stratified by type, severity, and causality. Trends were assessed for three periods: Baseline (2010-14; ~7% PR), Period 1 ([P1] 2015-17; 8%-21% PR), and Period 2 ([P2] 2018-20; 100% PR). RESULTS PC use increased by 19.1% between 2010 and 2020. Pooled BC PC production increased from 38.8% to 68.2% of total PCs. Annual changes in PCs issued averaged 2.4% per year at baseline, -0.02% (P1) and 2.8% (P2). The increase in P2 coincided with a reduction in the target platelet dose and extension to 7-day storage. Allergic reactions, alloimmunization, febrile non-hemolytic TRs, immunologic incompatibility, and ineffective transfusions accounted for >90% of TRs. Overall, TR incidence per 100,000 PCs issued declined from 527.9 (2010) to 345.7 (2020). Severe TR rates declined 34.8% between P1-P2. Forty-six transfusion-transmitted bacterial infections (TTBI) were associated with conventional PCs during baseline and P1. No TTBI were associated with amotosalen/UVA PCs. Infections with Hepatitis E (HEV) a non-enveloped virus resistant to PR, were reported in all periods. DISCUSSION Longitudinal HV analysis demonstrated stable PC utilization trends with reduced patient risk during conversion to universal 7-day amotosalen/UVA PCs.
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Affiliation(s)
- John P Pitman
- Scientific and Medical Affairs, Cerus Corporation, Concord, California, USA
| | | | - Min-Sun Park
- Biostatistics and Data Management, Cerus Corporation, Concord, California, USA
| | - Kathy Liu
- Biostatistics and Data Management, Cerus Corporation, Concord, California, USA
| | - Laurence Corash
- Scientific and Medical Affairs, Cerus Corporation, Concord, California, USA
| | - Richard J Benjamin
- Scientific and Medical Affairs, Cerus Corporation, Concord, California, USA
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Pereyra N, Devine DV. How do I/we forecast tomorrows' transfusion: Blood components. Transfus Clin Biol 2023; 30:43-46. [PMID: 35914702 PMCID: PMC9371792 DOI: 10.1016/j.tracli.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The current implementation of Pathogen Reduction Technologies (PRTs) offers advantages and disadvantages to transfusion medicine. PRT rollout may significantly reduce the incidence of transfusion-transmitted infections and immune reactions, while offering a 'one-size-fits-all' solution to future pathogens in blood products. However, the decrease in transfusion efficacy of PRT-treated blood products suggests that the demand for blood products may increase, further straining the already limited supply of these cells. Conversely, cold-stored platelets and whole-blood transfusions have re-emerged, potentially granting more effective transfusion options to bleeding patients. The renewed focus on donor variability, storage quality, and transfusion outcome presents another avenue through which transfusion quality and supply may be improved.
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Affiliation(s)
- Nicolas Pereyra
- Department of Biochemistry and Molecular Biology, The University of British Columbia, Canada,The University of British Columbia Centre for Blood Research, Vancouver, Canada
| | - Dana V. Devine
- Department of Biochemistry and Molecular Biology, The University of British Columbia, Canada,Department of Pathology and Laboratory Medicine, The University of British Columbia, Canada,The University of British Columbia Centre for Blood Research, Vancouver, Canada,Corresponding author at: Department of Pathology and Laboratory Medicine, University of British Columbia
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8
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Leitner GC, Hagn G, Niederstaetter L, Bileck A, Plessl-walder K, Horvath M, Kolovratova V, Tanzmann A, Tolios A, Rabitsch W, Wohlfarth P, Gerner C. INTERCEPT Pathogen Reduction in Platelet Concentrates, in Contrast to Gamma Irradiation, Induces the Formation of trans-Arachidonic Acids and Affects Eicosanoid Release during Storage. Biomolecules 2022; 12:1258. [PMID: 36139096 PMCID: PMC9496540 DOI: 10.3390/biom12091258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 11/24/2022] Open
Abstract
Pathogen inactivation techniques for blood products have been implemented to optimize clinically safe blood components supply. The INTERCEPT system uses amotosalen together with ultraviolet light wavelength A (UVA) irradiation. Irradiation-induced inactivation of nucleic acids may actually be accompanied by modifications of chemically reactive polyunsaturated fatty acids known to be important mediators of platelet functions. Thus, here, we investigated eicosanoids and the related fatty acids released upon treatment and during storage of platelet concentrates for 7 days, complemented by the analysis of functional and metabolic consequences of these treatments. Metabolic and functional issues like glucose consumption, lactate formation, platelet aggregation, and clot firmness hardly differed between the two treatment groups. In contrast to gamma irradiation, here, we demonstrated that INTERCEPT treatment immediately caused new formation of trans-arachidonic acid isoforms, while 11-hydroxyeicosatetraenoic acid (11-HETE) and 15-HETE were increased and two hydroperoxyoctadecadienoic acid (HpODE) isoforms decreased. During further storage, these alterations remained stable, while the release of 12-lipoxygenase (12-LOX) products such as 12-HETE and 12-hydroxyeicosapentaenoic acid (12-HEPE) was further attenuated. In vitro synthesis of trans-arachidonic acid isoforms suggested that thiol radicals formed by UVA treatment may be responsible for the INTERCEPT-specific effects observed in platelet concentrates. It is reasonable to assume that UVA-induced molecules may have specific biological effects which need to be further investigated.
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Michał Bubiński, Agnieszka Gronowska, Paweł Szykuła, Agnieszka Woźniak, Aleksandra Rodacka, Scott Santi, Marcia Cardoso, Elżbieta Lachert. Assessing quality of blood components derived from whole blood treated with riboflavin and ultraviolet light and separated with a fully automated device. Blood Transfus 2022; 20. [PMID: 35175188 DOI: 10.2450/2022.0278-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 12/22/2021] [Indexed: 01/24/2023]
Abstract
BACKGROUND Combining pathogen reduction and automated separation of whole blood (WB), together with the use of improved additive solutions, may increase reproducibility and extend shelf-life of blood components. MATERIALS AND METHODS Forty WB units were collected from volunteer donors and randomised 1:1 into two groups: 1) pathogen reduction with riboflavin and ultraviolet light (PRT); or 2) no treatment (Control). After two hours (h) at room temperature, all units underwent fully automated separation into red blood cell concentrate (RBCC), plasma and leukopack components. RBCCs were leukoreduced and stored in phosphate-adenine-glucose-guanosine-saline-mannitol (PAGGSM) solution while plasma units were shock frozen within 8 h of collection and stored at ≤ -25°C. RBCCs were sampled on day 1 and weekly thereafter until day 42, while plasma was sampled on days 1 and 30. The main study objective was to assess the in vitro quality of separated RBCCs using biochemical and haematological parameters. Plasma protein content after one cycle of freeze-thaw was also analysed. RESULTS The quality of RBCCs was largely comparable between the PRT and Control groups, except for a significantly higher degree of haemolysis and extracellular potassium levels in the PRT group after 35 days of storage. While potassium concentration was significantly higher in the PRT group at all timepoints, the degree of haemolysis exceeded the accepted European threshold (i.e., <0.8% of red cell mass in ≥ 90.0% of tested units) after day 35. Most plasma protein levels were significantly lower in the PRT than the Control group at both day 1 and day 30. DISCUSSION Pathogen reduction with riboflavin and ultraviolet light treatment of WB can be combined with fully automated separation to obtain RBCCs that may be stored for up to 35 days in PAGGSM solution with acceptable quality, comparable to that of RBCCs from untreated blood. The relative differences between factor concentrations in plasma from the PRT and the Control groups were similar during the 30-day storage.
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10
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Cancelas JA, Genthe JR, Stolla M, Rugg N, Bailey SL, Nestheide S, Shaz B, Mack S, Schroeder K, Anani W, Szczepiorkowski ZM, Dumont LJ, Yegneswaran S, Corash L, Mufti N, Benjamin RJ, Erickson AC. Evaluation of amotosalen and UVA pathogen-reduced apheresis platelets after 7-day storage. Transfusion 2022; 62:1619-1629. [PMID: 35808974 PMCID: PMC9546462 DOI: 10.1111/trf.17003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/15/2022] [Accepted: 05/25/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Amotosalen/UVA pathogen-reduced platelet components (PRPCs) with storage up to 7 days are standard of care in France, Switzerland, and Austria. PRPCs provide effective hemostasis with reduced risk of transfusion-transmitted infections and transfusion-associated graft versus host disease, reduced wastage and improved availability compared with 5-day-stored PCs. This study evaluated the potency of 7-day PRPCs by in vitro characterization and in vivo pharmacokinetic analysis of autologous PCs. STUDY DESIGN AND METHODS The in vitro characteristics of 7-day-stored apheresis PRPCs suspended in 100% plasma or 65% platelet additive solution (PAS-3)/35% plasma, thrombin generation, and in vivo radiolabeled post-transfusion recovery and survival of 7-day-stored PRPCs suspended in 100% plasma were compared with either 7-day-stored or fresh autologous conventional platelets. RESULTS PRPCs after 7 days of storage maintained pH, platelet dose, in vitro physiologic characteristics, and thrombin generation when compared to conventional 7-day PCs. In vivo, the mean post-transfusion survival was 151.4 ± 20.1 h for 7-day PRPCs in 100% plasma (Test) versus 209.6 ± 13.9 h for the fresh autologous platelets (Control), (T-ΔC: 72.3 ± 8.8%: 95% confidence interval [CI]: 68.5, 76.1) and mean 24-h post-transfusion recovery 37.6 ± 8.4% for Test versus 56.8 ± 9.2% for Control (T-ΔC: 66.2 ± 11.2%; 95% CI: 61.3, 71.1). DISCUSSION PRPCs collected in both 100% plasma as well as 65% PAS-3/35% plasma and stored for 7 days retained in vitro physiologic characteristics. PRPCs stored in 100% plasma for 7 days retained in vivo survival. Lower in vivo post-radiolabeled autologous platelet recovery is consistent with reported reduced count increments for allogenic transfusion.
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Affiliation(s)
| | | | - Moritz Stolla
- Bloodworks Northwest, Seattle, Washington, USA.,Division of Hematology, Department of Medicine, University of Washington Medical Center, Seattle, Washington, USA
| | - Neeta Rugg
- Hoxworth Blood Center, Cincinnati, Ohio, USA
| | | | | | - Beth Shaz
- Duke University, Durham, North Carolina, USA
| | | | | | | | - Zbigniew M Szczepiorkowski
- Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire, USA.,Institute of Hematology and Transfusion Medicine, Warsaw, Poland
| | | | | | | | - Nina Mufti
- Cerus Corporation, Concord, California, USA
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11
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Snyder EL, Wheeler AP, Refaai M, Cohn CS, Poisson J, Fontaine M, Sehl M, Nooka AK, Uhl L, Spinella P, Fenelus M, Liles D, Coyle T, Becker J, Jeng M, Gehrie EA, Spencer BR, Young P, Johnson A, O'Brien JJ, Schiller GJ, Roback JD, Malynn E, Jackups R, Avecilla ST, Lin J, Liu K, Bentow S, Peng H, Varrone J, Benjamin RJ, Corash LM. Comparative risk of pulmonary adverse events with transfusion of pathogen reduced and conventional platelet components. Transfusion 2022; 62:1365-1376. [PMID: 35748490 PMCID: PMC9544211 DOI: 10.1111/trf.16987] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/03/2022] [Accepted: 05/10/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Platelet transfusion carries risk of transfusion-transmitted infection (TTI). Pathogen reduction of platelet components (PRPC) is designed to reduce TTI. Pulmonary adverse events (AEs), including transfusion-related acute lung injury and acute respiratory distress syndrome (ARDS) occur with platelet transfusion. STUDY DESIGN An open label, sequential cohort study of transfusion-dependent hematology-oncology patients was conducted to compare pulmonary safety of PRPC with conventional PC (CPC). The primary outcome was the incidence of treatment-emergent assisted mechanical ventilation (TEAMV) by non-inferiority. Secondary outcomes included: time to TEAMV, ARDS, pulmonary AEs, peri-transfusion AE, hemorrhagic AE, transfusion reactions (TRs), PC and red blood cell (RBC) use, and mortality. RESULTS By modified intent-to-treat (mITT), 1068 patients received 5277 PRPC and 1223 patients received 5487 CPC. The cohorts had similar demographics, primary disease, and primary therapy. PRPC were non-inferior to CPC for TEAMV (treatment difference -1.7%, 95% CI: (-3.3% to -0.1%); odds ratio = 0.53, 95% CI: (0.30, 0.94). The cumulative incidence of TEAMV for PRPC (2.9%) was significantly less than CPC (4.6%, p = .039). The incidence of ARDS was less, but not significantly different, for PRPC (1.0% vs. 1.8%, p = .151; odds ratio = 0.57, 95% CI: (0.27, 1.18). AE, pulmonary AE, and mortality were not different between cohorts. TRs were similar for PRPC and CPC (8.3% vs. 9.7%, p = .256); and allergic TR were significantly less with PRPC (p = .006). PC and RBC use were not increased with PRPC. DISCUSSION PRPC demonstrated reduced TEAMV with no excess treatment-related pulmonary morbidity.
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Affiliation(s)
| | | | - Majed Refaai
- University of Rochester Medical CenterRochesterNew YorkUSA
| | - Claudia S. Cohn
- University of Minnesota Medical CenterMinneapolisMinnesotaUSA
| | | | | | - Mary Sehl
- UCLA Medical CenterLos AngelesCaliforniaUSA
| | | | - Lynne Uhl
- Harvard University – Beth Israel Deaconess HospitalBostonMassachusettsUSA
| | - Philip Spinella
- University of Pittsburgh Medical CenterPittsburghPennsylvaniaUSA
| | - Maly Fenelus
- Memorial‐Sloan Kettering Medical CenterNew YorkNew YorkUSA
| | - Darla Liles
- East Carolina University Medical CenterGreenvilleNorth CarolinaUSA
| | | | | | | | | | | | - Pampee Young
- Vanderbilt University Medical CenterNashvilleTennesseeUSA
| | - Andrew Johnson
- University of Minnesota Medical CenterMinneapolisMinnesotaUSA
| | | | | | | | - Elizabeth Malynn
- Harvard University – Beth Israel Deaconess HospitalBostonMassachusettsUSA
| | | | | | | | - Kathy Liu
- Cerus CorporationConcordCaliforniaUSA
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12
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Cooling L, Hoffmann S, Li SH, Downs T, Davenport R. Platelet refractoriness associated with platelets stored in platelet additive solution. Transfusion 2022; 62:1457-1460. [PMID: 35815725 DOI: 10.1111/trf.16941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/24/2022] [Accepted: 04/15/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Laura Cooling
- Michigan Medicine, University of Michigan Hospitals, Ann Arbor, Michigan, USA
| | - Sandra Hoffmann
- Michigan Medicine, University of Michigan Hospitals, Ann Arbor, Michigan, USA
| | - Shih-Hon Li
- Michigan Medicine, University of Michigan Hospitals, Ann Arbor, Michigan, USA
| | - Theresa Downs
- Michigan Medicine, University of Michigan Hospitals, Ann Arbor, Michigan, USA
| | - Robertson Davenport
- Michigan Medicine, University of Michigan Hospitals, Ann Arbor, Michigan, USA
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13
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Pati I, Masiello F, Pupella S, Cruciani M, De Angelis V. Efficacy and Safety of Pathogen-Reduced Platelets Compared with Standard Apheresis Platelets: A Systematic Review of RCTs. Pathogens 2022; 11:pathogens11060639. [PMID: 35745493 PMCID: PMC9231062 DOI: 10.3390/pathogens11060639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 05/28/2022] [Accepted: 05/30/2022] [Indexed: 02/04/2023] Open
Abstract
In this systematic review, we evaluate the efficacy and safety of blood components treated with pathogen reduction technologies (PRTs). We searched the Medline, Embase, Scopus, Ovid, and Cochrane Library to identify RCTs evaluating PRTs. Risk of bias assessment and the Mantel–Haenszel method for data synthesis were used. We included in this review 19 RCTs evaluating 4332 patients (mostly oncohematological patients) receiving blood components treated with three different PRTs. Compared with standard platelets (St-PLTs), the treatment with pathogen-reduced platelets (PR-PLTs) does not increase the occurrence of bleeding events, although a slight increase in the occurrence of severe bleeding events was observed in the overall comparison. No between-groups difference in the occurrence of serious adverse events was observed. PR-PLT recipients had a lower 1 and 24 h CI and CCI. The number of patients with platelet refractoriness and alloimmunization was significantly higher in PR-PLT recipients compared with St-PLT recipients. PR-PLT recipients had a higher number of platelet and RBC transfusions compared with St-PLT recipients, with a shorter transfusion time interval. The quality of evidence for these outcomes was from moderate to high. Blood components treated with PRTs are not implicated in serious adverse events, and PR-PLTs do not have a major effect on the increase in bleeding events. However, treatment with PRTs may require a greater number of transfusions in shorter time intervals and may be implicated in an increase in platelet refractoriness and alloimmunization.
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14
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Arnason NA, Johannsson F, Landrö R, Hardarsson B, Gudmundsson S, Lian AM, Reseland J, Rolfsson O, Sigurjonsson OE. Protein Concentrations in Stored Pooled Platelet Concentrates Treated with Pathogen Inactivation by Amotosalen Plus Ultraviolet a Illumination. Pathogens 2022; 11:pathogens11030350. [PMID: 35335674 PMCID: PMC8954553 DOI: 10.3390/pathogens11030350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/10/2022] [Accepted: 03/11/2022] [Indexed: 02/04/2023] Open
Abstract
Platelet granules contain a diverse group of proteins. Upon activation and during storage, platelets release a number of proteins into the circulation or supernatant of stored platelet concentrate (PC). The aim of this work was to investigate the effect of pathogen inactivation (PI) on a selection of proteins released in stored platelets. Materials and Methods: PCs in platelet additive solution (PAS) were produced from whole blood donations using the buffy coat (BC) method. PCs in the treatment arm were pathogen inactivated with amotosalen and UVA, while PCs in the second arm were used as an untreated platelet control. Concentrations of 36 proteins were monitored in the PCs during storage. Results: The majority of proteins increased in concentration over the storage period. In addition, 10 of the 29 proteins that showed change had significantly different concentrations between the PI treatment and the control at one or more timepoints. A subset of six proteins displayed a PI-related drop in concentration. Conclusions: PI has limited effect on protein concentration stored PC supernatant. The protein’s changes related to PI treatment with elevated concentration implicate accelerated Platelet storage lesion (PSL); in contrast, there are potential novel benefits to PI related decrease in protein concentration that need further investigation.
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Affiliation(s)
- Niels Arni Arnason
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
- School of Engineering, Reykjavik University, 105 Reykjavik, Iceland
| | - Freyr Johannsson
- Department of Medicine, University of Iceland, 105 Reykjavik, Iceland; (F.J.); (O.R.)
| | - Ragna Landrö
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
| | - Björn Hardarsson
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
| | - Sveinn Gudmundsson
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
| | - Aina-Mari Lian
- Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (A.-M.L.); (J.R.)
| | - Janne Reseland
- Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (A.-M.L.); (J.R.)
| | - Ottar Rolfsson
- Department of Medicine, University of Iceland, 105 Reykjavik, Iceland; (F.J.); (O.R.)
| | - Olafur E. Sigurjonsson
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
- School of Engineering, Reykjavik University, 105 Reykjavik, Iceland
- Correspondence: ; Tel.: +354-543-5523 or +354-694-9427; Fax: +354-543-5532
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15
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Malvaux N, Defraigne F, Bartziali S, Bellora C, Mommaerts K, Betsou F, Schuhmacher A. In Vitro Comparative Study of Platelets Treated with Two Pathogen-Inactivation Methods to Extend Shelf Life to 7 Days. Pathogens 2022; 11:pathogens11030343. [PMID: 35335667 PMCID: PMC8949436 DOI: 10.3390/pathogens11030343] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/18/2022] [Accepted: 02/22/2022] [Indexed: 11/26/2022] Open
Abstract
Background and Objectives: Since 2015, platelet products have been pathogen-inactivated (PI) at the Luxemburgish Red Cross (LRC) using Riboflavin and UV light (RF-PI). As the LRC should respond to hospital needs at any time, platelet production exceeds the demand, generating a discard rate of 18%. To reduce this, we consider the extension of storage time from 5 to 7 days. This study’s objective was to evaluate the in vitro 7-day platelet-storage quality, comparing two PI technologies, RF-PI and amotosalen/UVA light (AM-PI), for platelet pools from whole-blood donations (PPCs) and apheresis platelets collected from single apheresis donation (APCs). Materials and Methods: For each product type, 6 double-platelet concentrates were prepared and divided into 2 units; one was treated with RF-PI and the other by AM-PI. In vitro platelet-quality parameters were tested pre- and post-PI, at days 5 and 7. Results: Treatment and storage lesions were observed in PPCs and APCs with both PI methods. We found a higher rate of lactate increase and glucose depletion, suggesting a stronger stimulation of the glycolytic pathway, a higher Annexin V binding, and a loss of swirling in the RF-PI-treated units from day 5. The platelet loss was significantly higher in the AM-PI compared with the RF-PI units. Conclusions: Results suggest that RF-PI treatment has a higher deleterious impact on in vitro platelet quality compared to AM-PI, but we observed higher loss of platelets with AM-PI due to the post-illumination amotosalen adsorption step. If 7-day storage is needed, it can only be achieved with AM-PI, based on our quality criteria.
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Affiliation(s)
- Nicolas Malvaux
- Red Cross of Luxemburg, Boulevard Joseph II, 40, L-1840 Luxembourg, Luxembourg; (F.D.); (S.B.); (A.S.)
- Correspondence: ; Tel.: +352-2755-4000
| | - Fanette Defraigne
- Red Cross of Luxemburg, Boulevard Joseph II, 40, L-1840 Luxembourg, Luxembourg; (F.D.); (S.B.); (A.S.)
| | - Styliani Bartziali
- Red Cross of Luxemburg, Boulevard Joseph II, 40, L-1840 Luxembourg, Luxembourg; (F.D.); (S.B.); (A.S.)
| | - Camille Bellora
- Integrated Biobank of Luxembourg, 1 rue Louis Rech, L-3555 Dudelange, Luxembourg; (C.B.); (K.M.); (F.B.)
| | - Kathleen Mommaerts
- Integrated Biobank of Luxembourg, 1 rue Louis Rech, L-3555 Dudelange, Luxembourg; (C.B.); (K.M.); (F.B.)
- Luxembourg Center for Systems Biomedicine, 6 Av. du Swing, L-4367 Esch-sur-Alzette, Luxembourg
| | - Fay Betsou
- Integrated Biobank of Luxembourg, 1 rue Louis Rech, L-3555 Dudelange, Luxembourg; (C.B.); (K.M.); (F.B.)
- Laboratoire National de Sante, 1 rue Louis Rech, L-3555 Dudelange, Luxembourg
| | - Anne Schuhmacher
- Red Cross of Luxemburg, Boulevard Joseph II, 40, L-1840 Luxembourg, Luxembourg; (F.D.); (S.B.); (A.S.)
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16
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Hsien S, Dayton JD, Chen D, Stock A, Bacha E, Cushing MM, Nellis ME. Hemostatic efficacy of pathogen-reduced platelets in children undergoing cardiopulmonary bypass. Transfusion 2022; 62:298-305. [PMID: 34904250 PMCID: PMC8837684 DOI: 10.1111/trf.16768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 11/10/2021] [Accepted: 11/15/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND Pediatric patients undergoing cardiopulmonary bypass (CPB) often require blood component transfusions. Pathogen-reduction (PR) of platelets reduces the risk of microbial contamination; however, its effect on hemostatic efficacy in this population is unclear. This study sought to characterize the hemostatic efficacy of PR platelets in children undergoing CPB. STUDY DESIGN AND METHODS We performed a retrospective chart review of patients admitted to a pediatric intensive care unit following CPB surgery from 2015 to 2019. Demographic data, validated scoring of repair complexity, products received, and outcomes were compared. The primary outcome was postoperative chest tube bleeding. RESULTS A total of 140 patients were enrolled. The majority of surgeries (124/140) were Risk Adjustment for Congenital Heart Surgery (RACHS) 1-3 repairs. Seventy-four percent of patients (104/140) received only standard platelets whereas 26% (36/140) received PR platelets. There were no differences between the groups in the age (p = .90), sex (p = .20) or RACHS score (p = .06). Postoperatively, there was no difference in the median chest tube output for 1 h (p = .27), 2 h (p = .26), 4 h (p = .09), 8 h (p = .16), or for the first 24 h following surgery (p = .23) in patients who received standard versus PR platelets. There was also no difference in receipt of platelets (p = .18), cell saver (p = .79), or cryoprecipitate (p = .28). CONCLUSION Patients receiving PR platelets did not have more blood loss or require more transfusions than those who received standard platelets. This suggests that PR platelets may provide acceptable hemostasis with the additional benefits of reduced risk of microbial contamination in pediatric patients undergoing CPB.
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Affiliation(s)
- Sophia Hsien
- Department of Pediatrics, New York Presbyterian Hospital/Weill Cornell Medicine, New York, New York, USA
| | - Jeffrey D Dayton
- Division of Pediatric Cardiology, Department of Pediatrics, Weill Cornell Medicine, New York, New York, USA
| | - Dennis Chen
- New York-Presbyterian Hospital, Weill Cornell Medical Center, Transfusion Medicine and Cellular Therapy Laboratory, New York, New York, USA
| | - Arabella Stock
- Division of Pediatric Critical Care Medicine, Department of Pediatrics, Weill Cornell Medicine, New York, New York, USA
| | - Emile Bacha
- Division of Cardiac, Thoracic and Vascular Surgery, Columbia University, New York, New York, USA
| | - Melissa M Cushing
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Marianne E Nellis
- Division of Pediatric Critical Care Medicine, Department of Pediatrics, Weill Cornell Medicine, New York, New York, USA
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17
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Garban F, Vilotitch A, Tiberghien P, Bosson JL. The impact of pathogen-reduced platelets in acute leukaemia treatment on the total blood product requirement: a subgroup analysis of an EFFIPAP randomised trial. Transfus Med 2022; 32:175-177. [PMID: 35019176 DOI: 10.1111/tme.12848] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 12/08/2021] [Accepted: 12/30/2021] [Indexed: 01/15/2023]
Abstract
OBJECTIVE To evaluate the impact of pathogen-reduced (PR) platelet transfusions on blood products requirement for clinical practice. BACKGROUND PR platelets are increasing in use as standard blood products. However, few randomised trials have evaluated their impact on bleeding control or prevention. Furthermore, PR platelets recirculate less than untreated platelets. METHODS A subgroup study of the randomised clinical trial EFFIPAP compared three arms of platelet preparations (PR: P-PRP/PAS, additive solution: P-PAS and plasma P-P arms respectively). The subgroup of acute leukaemia patients, in their chemotherapy induction phase, included 392 patients (133 P-PRP/PAS arm, 132 P-PAS arm and 130 P-P arm). Blood requirements were analysed across over periods of 7 days. RESULTS The number of platelet transfusions per week was significantly higher in the P-PRP/PAS group 2.3 [1.6-3.3] compared to the control groups 1.9 [1.3-2.8] and 2.0 [1.3-3.0] for P-P and P-PAS groups respectively (p < 0.0001). However, the total number of platelets transfused per week was not different. The number of red blood cell concentrates (RBC) transfusion per week did not differ either. CONCLUSION In a homogeneous group of patients, platelet pathogen reduction resulted in an increased number of platelet units transfused per week while having no impact on the total number of platelets transfused or the number of RBC transfusion; resulting to an average requirement of 2 RBC and 2-3 platelets transfusions per week of marrow aplasia.
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Affiliation(s)
- Frédéric Garban
- Service d'Hématologie, Centre Hospitalier Universitaire de Grenoble Alpes (Grenoble Alps University Hospital), Grenoble, France.,CNRS, UMR 5525 Translationnal innovation in Medicine and Complexity, Université Grenoble Alpes, La Tronche, France
| | - Antoine Vilotitch
- Cellule d'ingénierie des données, Centre d'Investigation Clinique 1406 - Innovation Technologique, Centre Hospitalier Universitaire de Grenoble Alpes (Grenoble Alps University Hospital), Grenoble, France
| | - Pierre Tiberghien
- Etablissement Français du Sang, La Plaine Saint-Denis, Saint-Denis, France.,INSERM UMR 1098 RIGHT, Université de Franche-Comté, Etablissement Français du Sang, Besançon, France
| | - Jean Luc Bosson
- CNRS, UMR 5525 Translationnal innovation in Medicine and Complexity, Université Grenoble Alpes, La Tronche, France.,Cellule d'ingénierie des données, Centre d'Investigation Clinique 1406 - Innovation Technologique, Centre Hospitalier Universitaire de Grenoble Alpes (Grenoble Alps University Hospital), Grenoble, France
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18
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Arcas Otero C, Pereira Saavedra A, Castrillo Fernández A, Vilariño López MD. Comparison of transfusion-outcome in patients with massive bleeding receiving pathogen-reduced platelets prepared with two different technologies. Transfus Apher Sci 2022; 61:103359. [DOI: 10.1016/j.transci.2022.103359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/12/2022] [Accepted: 01/19/2022] [Indexed: 10/19/2022]
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19
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Escolar G, Diaz-Ricart M, McCullough J. Impact of different pathogen reduction technologies on the biochemistry, function, and clinical effectiveness of platelet concentrates: An updated view during a pandemic. Transfusion 2021; 62:227-246. [PMID: 34870335 PMCID: PMC9300014 DOI: 10.1111/trf.16747] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 09/03/2021] [Accepted: 10/06/2021] [Indexed: 12/25/2022]
Abstract
Standard platelet concentrates (PCs) stored at 22°C have a limited shelf life of 5 days. Because of the storage temperature, bacterial contamination of PCs can result in life‐threatening infections in transfused patients. The potential of blood components to cause infections through contaminating pathogens or transmitting blood‐borne diseases has always been a concern. The current safety practice to prevent pathogen transmission through blood transfusion starts with a stringent screening of donors and regulated testing of blood samples to ensure that known infections cannot reach transfusion products. Pathogen reduction technologies (PRTs), initially implemented to ensure the safety of plasma products, have been adapted to treat platelet products. In addition to reducing bacterial contamination, PRT applied to PCs can extend their shelf life up to 7 days, alleviating the impact of their shortage, while providing an additional safety layer against emerging blood‐borne infectious diseases. While a deleterious action of PRTs in quantitative and qualitative aspects of plasma is accepted, the impact of PRTs on the quality, function, and clinical efficacy of PCs has been under constant examination. The potential of PRTs to prevent the possibility of new emerging diseases to reach cellular blood components has been considered more hypothetical than real. In 2019, a coronavirus‐related disease (COVID‐19) became a pandemic. This episode should help when reconsidering the possibility of future blood transmissible threats. The following text intends to evaluate the impact of different PRTs on the quality, function, and clinical effectiveness of platelets within the perspective of a developing pandemic.
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Affiliation(s)
- Gines Escolar
- Department of Hematopathology, Centre Diagnostic Biomedic, Hospital Clinic, Barcelona, Spain
| | - Maribel Diaz-Ricart
- Department of Hematopathology, Centre Diagnostic Biomedic, Hospital Clinic, Barcelona, Spain
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20
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Liu H, Wang X. Pathogen reduction technology for blood component: A promising solution for prevention of emerging infectious disease and bacterial contamination in blood transfusion services. Journal of Photochemistry and Photobiology 2021. [DOI: 10.1016/j.jpap.2021.100079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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21
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Fachini RM, Fontão-Wendel R, Achkar R, Scuracchio P, Brito M, Amaral M, Wendel S. The 4-Year Experience with Implementation and Routine Use of Pathogen Reduction in a Brazilian Hospital. Pathogens 2021; 10:pathogens10111499. [PMID: 34832654 PMCID: PMC8621808 DOI: 10.3390/pathogens10111499] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/09/2021] [Accepted: 11/11/2021] [Indexed: 11/16/2022] Open
Abstract
(1) Background: We reviewed the logistics of the implementation of pathogen reduction (PR) using the INTERCEPT Blood System™ for platelets and the experience with routine use and clinical outcomes in the patient population at the Sírio-Libanês Hospital of São Paulo, Brazil. (2) Methods: Platelet concentrate (PC), including pathogen reduced (PR-PC) production, inventory management, discard rates, blood utilization, and clinical outcomes were analyzed over the 40 months before and after PR implementation. Age distribution and wastage rates were compared over the 10 months before and after approval for PR-PC to be stored for up to seven days. (3) Results: A 100% PR-PC inventory was achieved by increasing double apheresis collections and production of double doses using pools of two single apheresis units. Discard rates decreased from 6% to 3% after PR implementation and further decreased to 1.2% after seven-day storage extension for PR-PCs. The blood utilization remained stable, with no increase in component utilization. A significant decrease in adverse transfusion events was observed after the PR implementation. (4) Conclusion: Our experience demonstrates the feasibility for Brazilian blood centers to achieve a 100% PR-PC inventory. All patients at our hospital received PR-PC and showed no increase in blood component utilization and decreased rates of adverse transfusion reactions.
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Focosi D, Macera L, Spezia PG, Ceccarelli F, Lanza M, Maggi F. Molecular validation of pathogen-reduction technologies using rolling-circle amplification coupled with real-time PCR for torquetenovirus DNA quantification. Transfus Med 2021; 31:371-376. [PMID: 34390068 DOI: 10.1111/tme.12807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 07/30/2021] [Indexed: 12/01/2022]
Abstract
BACKGROUND Pathogen reduction technologies (PRT) based on nucleic-acid damaging chemicals and/or irradiation are increasingly being used to increase safety of blood components against emerging pathogens, such as convalescent plasma in the ongoing COVID-19 pandemic. Current methods for PRT validation are limited by the resources available to the blood component manufacturer, and quality control rely over pathogen spiking and hence invariably require sacrifice of the tested blood units: quantitative real-time PCR is the current pathogen detection method but, due to the high likelihood of detecting nonviable fragments, requires downstream pathogen culture. We propose here a new molecular validation of PRT based on the highly prevalent human symbiont torquetenovirus (TTV) and rolling circle amplification (RCA). MATERIALS AND METHODS Serial apheresis plasma donations were tested for TTV before and after inactivation with Intercept® PRT using real-time quantitative PCR (conventional validation), RCA followed by real-time PCR (our validation), and reverse PCR (for cross-validation). RESULTS While only 20% of inactivated units showed significant decrease in TTV viral load using real-time qPCR, all donations tested with RCA followed by real-time PCR showed TTV reductions. As further validation, 2 units were additionally tested with reverse PCR, which confirmed absence of entire circular genomes. DISCUSSION We have described and validated a conservative and easy-to-setup protocol for molecular validation of PRT based on RCA and real-time PCR for TTV.
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Affiliation(s)
- Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | - Lisa Macera
- Department of Translational Research, University of Pisa, Pisa, Italy
| | | | | | - Maria Lanza
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | - Fabrizio Maggi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
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Abstract
Bacterial contamination of blood components is a recurrent topic in transfusion medicine community. This issue is even more important with platelet transfusions because of storage of platelet components at room temperature for 5 days. Pathogen inactivation methods are a proactive approach to deal with an infectious agent. All available methods use UV light, with or without a photosensitizer, to inactivate potential pathogens. As with other medical interventions, pathogen inactivation methods carry benefits and risks. Among benefits, inactivation of known and unknown transfusion-transmitted pathogens, inactivation of residual leukocytes, and increased storage length from 5 to 7 days are the most interesting. The main risk is the impact on clinical efficacy of pathogen-reduced platelets. After inactivation, pathogen-reduced platelets are associated with a lower number of platelets in the final product, lower 24-hour corrected count increment, and shorter transfusion interval when compared with non-inactivated platelets. However, eight of nine randomized controlled trials showed that transfusing pathogen-reduced platelets were not inferior to transfusing usual platelet components in the prevention of bleeding episodes. In conclusion, in our opinion, increasing safety of platelet transfusions with pathogen inactivation methods is worthy, even the trade-off of causing damage to platelets.
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Affiliation(s)
- Joan Cid
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy & Hemostasis, ICMHO, IDIBAPS, UB,Hospital Clínic,Barcelona, Catalonia, Spain
| | - Miquel Lozano
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy & Hemostasis, ICMHO, IDIBAPS, UB,Hospital Clínic,Barcelona, Catalonia, Spain
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Capraru A, Jalowiec KA, Medri C, Daskalakis M, Zeerleder SS, Mansouri Taleghani B. Platelet Transfusion-Insights from Current Practice to Future Development. J Clin Med 2021; 10:1990. [PMID: 34066360 DOI: 10.3390/jcm10091990] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 12/12/2022] Open
Abstract
Since the late sixties, therapeutic or prophylactic platelet transfusion has been used to relieve hemorrhagic complications of patients with, e.g., thrombocytopenia, platelet dysfunction, and injuries, and is an essential part of the supportive care in high dose chemotherapy. Current and upcoming advances will significantly affect present standards. We focus on specific issues, including the comparison of buffy-coat (BPC) and apheresis platelet concentrates (APC); plasma additive solutions (PAS); further measures for improvement of platelet storage quality; pathogen inactivation; and cold storage of platelets. The objective of this article is to give insights from current practice to future development on platelet transfusion, focusing on these selected issues, which have a potentially major impact on forthcoming guidelines.
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Mowla SJ, Kracalik IT, Sapiano MRP, O'Hearn L, Andrzejewski C, Basavaraju SV. A Comparison of Transfusion-Related Adverse Reactions Among Apheresis Platelets, Whole Blood-Derived Platelets, and Platelets Subjected to Pathogen Reduction Technology as Reported to the National Healthcare Safety Network Hemovigilance Module. Transfus Med Rev 2021; 35:78-84. [PMID: 33934903 DOI: 10.1016/j.tmrv.2021.03.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 03/04/2021] [Accepted: 03/23/2021] [Indexed: 01/23/2023]
Abstract
Despite advances in transfusion safety, concerns with safety of platelet transfusions remain including platelet-related sepsis and higher reaction rates observed among patients receiving apheresis platelets (APLTs). National Healthcare Safety Network (NHSN) Hemovigilance Module (HM) data were analyzed to quantify the burden and severity of adverse reactions occurring from APLTs and whole blood-derived platelets (WBD-PLTs). Facilities participating in NHSN HM during 2010-2018 were included. Adverse reaction rates (number per 100,000 components transfused) were calculated for APLTs and WBD-PLTs stratified by severity, use of platelet additive solution (PAS), and pathogen reduction technology (PRT). Chi-square tests were used to compare rates. During the study interval, 2,000,589 platelets were transfused: 1,435,154 APLTs; 525,902 WBD-PLTs; and among APLTs, 39,533 PRT-APLTs. APLT adverse reaction rates were higher (478 vs 70/ 100,000, P< .01) and more often serious (34 vs 6/100,000; P< .01) compared with WBD-PLTs. Adverse reactions were higher among PRT-APLTs (572/100,000) and were less often serious (18/100,000) compared with non-PRT-APLTs (35/100,000) although this association was not statistically significant. Among components implicated in adverse reactions, 92% of APLTs were suspended in plasma. Compared with PRT-APLTs stored in PAS, rates were higher among units stored in plasma (760 vs 525/100,000). Most serious reactions (75%) were allergic. No transfusion-transmitted infections were reported among PRT-APLTs. APLTs were associated with a 6-fold and 2-fold higher serious adverse reaction risks compared with WBD-PLTs and PRT-APLTs, respectively. These findings demonstrate the importance of monitoring transfusion-related adverse reactions to track the safety of platelet transfusions and quantify the impact of mitigation strategies through national hemovigilance systems.
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Affiliation(s)
- Sanjida J Mowla
- Oak Ridge Institute for Science and Education (ORISE), Centers for Disease Control and Prevention, Atlanta, GA, USA; Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Ian T Kracalik
- Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Mathew R P Sapiano
- Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Lynne O'Hearn
- Department of Pathology, University of Massachusetts Medical School-Baystate, Springfield, MA, USA
| | - Chester Andrzejewski
- Department of Pathology, University of Massachusetts Medical School-Baystate, Springfield, MA, USA
| | - Sridhar V Basavaraju
- Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
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Brixner V, Bug G, Pohler P, Krämer D, Metzner B, Voss A, Casper J, Ritter U, Klein S, Alakel N, Peceny R, Derigs HG, Stegelmann F, Wolf M, Schrezenmeier H, Thiele T, Seifried E, Kapels HH, Döscher A, Petershofen EK, Müller TH, Seltsam A. Efficacy of UVC-treated, pathogen-reduced platelets versus untreated platelets: a randomized controlled non-inferiority trial. Haematologica 2021; 106:1086-1096. [PMID: 33538149 PMCID: PMC8018132 DOI: 10.3324/haematol.2020.260430] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Indexed: 12/13/2022] Open
Abstract
Pathogen reduction (PR) technologies for blood components have been established to reduce the residual risk of known and emerging infectious agents. THERAFLEX UV-Platelets, a novel ultraviolet C (UVC) light-based PR technology for platelet concentrates, works without photoactive substances. This randomized, controlled, double-blind, multicenter, non-inferiority trial was designed to compare the efficacy and safety of UVC-treated platelets to that of untreated platelets in thrombocytopenic patients with hematologic-oncologic diseases. The primary objective was to determine non-inferiority of UVC-treated platelets, assessed by the 1-hour corrected count increment (CCI) in up to eight per-protocol platelet transfusion episodes. Analysis of the 171 eligible patients showed that the defined non-inferiority margin of 30% of UVC-treated platelets was narrowly missed as the mean differences in 1-hour CCI between standard platelets versus UVC-treated platelets for intention-to-treat and per-protocol analyses were 18.2% (95% Confidence Interval [CI]: 6.4-30.1) and 18.7% (95% CI: 6.3-31.1), respectively. In comparison to the control, the UVC group had a 19.2% lower mean 24-hour CCI and was treated with an about 25% higher number of platelet units, but the average number of days to the next platelet transfusion did not differ significantly between both treatment groups. The frequency of low-grade adverse events was slightly higher in the UVC group and the frequencies of refractoriness to platelet transfusion, platelet alloimmunization, severe bleeding events, and red blood cell transfusions were comparable between groups. Our study suggests that transfusion of pathogen-reduced platelets produced with the UVC technology is safe but non-inferiority was not demonstrated. (clinicaltrials gov. Identifier: DRKS00011156).
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Affiliation(s)
- Veronika Brixner
- German Red Cross Blood Transfusion Service and Goethe University Clinics, Frankfurt/Main
| | - Gesine Bug
- Department of Hematology and Oncology, University Hospital Frankfurt, Goethe University, Frankfurt/Main
| | | | - Doris Krämer
- Department of Oncology and Hematology, University Hospital, Oldenburg
| | - Bernd Metzner
- Department of Oncology and Hematology, University Hospital, Oldenburg
| | - Andreas Voss
- Department of Oncology and Hematology, University Hospital, Oldenburg
| | - Jochen Casper
- Department of Oncology and Hematology, University Hospital, Oldenburg
| | - Ulrich Ritter
- Department of Hematology and Oncology, Municipal Hospital Bremen, Bremen
| | - Stefan Klein
- Department of Hematology and Oncology, University Hospital, Mannheim
| | - Nael Alakel
- Medical Clinic I, Department of Hematology and Oncology, University Hospital, Carl Gustav Carus Faculty of Medicine, Dresden
| | - Rudolf Peceny
- Department of Hematology and Oncology, Municipal Hospital, Osnabrück
| | - Hans G Derigs
- Department of Hematology and Oncology, Municipal Hospital Frankfurt-Hoechst, Frankfurt/Main
| | | | - Martin Wolf
- Department of Hematology and Oncology, Municipal Hospital, Kassel
| | - Hubert Schrezenmeier
- Institute for Transfusion Medicine, University Hospital Ulm, Ulm, Germany; and Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Service Baden-Württemberg - Hessia, Ulm
| | - Thomas Thiele
- Institute for Immunology and Transfusion Medicine, University Medicine, Greifswald
| | - Erhard Seifried
- German Red Cross Blood Transfusion Service and Goethe University Clinics, Frankfurt/Main
| | | | | | | | | | - Axel Seltsam
- German Red Cross Blood Service NSTOB, Springe, Germany; Bavarian Red Cross Blood Service, Nuremberg.
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McCullough J. Pathogen Reduced Blood Products. Transfus Med 2021. [DOI: 10.1002/9781119599586.ch14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Ravanat C, Pongérard A, Freund M, Heim V, Rudwill F, Ziessel C, Eckly A, Proamer F, Isola H, Gachet C. Human platelets labeled at two discrete biotin densities are functional in vitro and are detected in vivo in the murine circulation: A promising approach to monitor platelet survival in vivo in clinical research. Transfusion 2021; 61:1642-1653. [PMID: 33580977 DOI: 10.1111/trf.16312] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 01/17/2021] [Accepted: 01/17/2021] [Indexed: 01/15/2023]
Abstract
BACKGROUND The production of platelet concentrates (PCs) is evolving, and their survival capacity needs in vivo evaluation. This requires that the transfused platelets (PLTs) be distinguished from those of the recipient. Labeling at various biotin (Bio) densities allows one to concurrently trace multiple PLT populations, as reported for red blood cells. STUDY DESIGN AND METHODS A method is described to label human PLTs at two densities of Bio for future clinical trials. Injectable-grade PLTs were prepared in a sterile environment, using injectable-grade buffers and good manufacturing practices (GMP)-grade Sulfo-NHS-Biotin. Sulfo-NHS-Biotin concentrations were chosen to maintain PLT integrity and avoid potential alloimmunization while enabling the detection of circulating BioPLTs. The impact of biotinylation on human PLT recirculation was evaluated in vivo in a severe immunodeficient mouse model using ex vivo flow cytometry. RESULTS BioPLTs labeled with 1.2 or 10 μg/ml Sulfo-NHS-Biotin displayed normal ultrastructure and retained aggregation and secretion capacity and normal expression of the main surface glycoproteins. The procedure avoided detrimental PLT activation or apoptosis signals. Transfused human BioPLT populations could be distinguished from one another and from unlabeled circulating mouse PLTs, and their survival was comparable to that of unlabeled human PLTs in the mouse model. CONCLUSIONS Provided low Sulfo-NHS-Biotin concentrations (<10 μg/ml) are used, injectable-grade BioPLTs comply with safety regulations, conserve PLT integrity, and permit accurate in vivo detection. This alternative to radioisotopes, which allows one to follow different PLT populations in the same recipient, should be valuable when assessing new PC preparations and monitoring PLT survival in clinical research.
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Affiliation(s)
- Catherine Ravanat
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Anaïs Pongérard
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Monique Freund
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Véronique Heim
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Floriane Rudwill
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Catherine Ziessel
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Anita Eckly
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Fabienne Proamer
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Hervé Isola
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Christian Gachet
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
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Isola H, Ravanat C, Rudwill F, Pongerard A, Haas D, Eckly A, Gachet C, Hechler B. Removal of citrate from PAS-III additive solution improves functional and biochemical characteristics of buffy-coat platelet concentrates stored for 7 days, with or without INTERCEPT pathogen reduction. Transfusion 2021; 61:919-930. [PMID: 33527430 DOI: 10.1111/trf.16280] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/17/2020] [Accepted: 12/21/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Deterioration in quality of platelet concentrates (PCs) during storage results from the appearance of storage lesions affecting the hemostatic functions and posttransfusion survival of platelets. These lesions depend on the preparation and pathogen inactivation methods used, duration of storage, and platelet additive solutions (PASs) present in storage bags. METHODS We investigated the effects of citrate contained in third-generation PAS (PAS-III) on storage lesions in buffy-coat PCs with or without photochemical (amotosalen-ultraviolet A) treatment over 7 days. RESULTS Platelet counts were conserved in all groups during storage, as was platelet swirling without appearance of macroscopic aggregates. Glycoprotein (GP) IIbIIIa and GPVI expression remained stable, whereas GPIbα declined similarly in all groups during storage. Removal of citrate from PAS-III, resulting in global reduction of citrate from 11 to 5 mM, led to a significant decrease in glucose consumption, which largely countered a modest deleterious effect of photochemical treatment. Citrate reduction also resulted in decreased lactate generation and better maintenance of pH during storage, while photochemical treatment had no impact on these parameters. Moreover, citrate-free storage significantly reduced exposure of P-selectin and the apoptosis signal phosphatidylserine, thereby abolishing the activating effect of photochemical treatment on both parameters. Citrate reduction benefited platelet aggregation to various agonists up to Day 7, whereas PCT had no impact on these responses. CONCLUSION Removal of citrate from PAS-III has a beneficial impact on platelet metabolism, spontaneous activation, and apoptosis, and improves platelet aggregation, irrespective of photochemical treatment, which should allow transfusion of platelets with better and longer-lasting functional properties.
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Affiliation(s)
- Hervé Isola
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Catherine Ravanat
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Floriane Rudwill
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Anais Pongerard
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Delphine Haas
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Anita Eckly
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Christian Gachet
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Béatrice Hechler
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
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Abe H, Endo K, Nogawa M, Shiba M, Miyata S, Satake M. In vitro thrombus formation and in vivo hemostasis mediated by platelets irradiated with bactericidal ultraviolet C from xenon flash under flow conditions. Transfusion 2020; 61:191-201. [PMID: 33107611 DOI: 10.1111/trf.16138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/24/2020] [Accepted: 08/27/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND We previously reported a flow path-ultraviolet C (UVC) irradiation system for platelet concentrates (PCs) with platelet additive solution (PAS) to minimize contamination by bacteria. Here, we investigated functionalities of irradiated platelets (PLTs) in in vitro thrombus formation and in vivo hemostasis. STUDY DESIGN AND METHODS PAS-PCs were irradiated with flash UVC using the flow path system. Their variables (PLT count, mean platelet volume, pH, glucose, lactate, glycoprotein [GP] Ib, and activated integrin αIIbβ3) were evaluated. Static adhesion to collagen or fibrinogen was analyzed using fluorescent microscopy. Thrombus formation under flow conditions was assessed using a collagen-coated bead column. Adenosine diphosphate (ADP)-induced Akt phosphorylation was determined by western blot. In vivo hemostasis and circulatory survival of PLTs were assessed with a rabbit bleeding model. RESULTS All variables, except for GPIb expression, were slightly, but significantly, impaired after flash UVC irradiation throughout the 6-day storage period. No difference was observed in static adhesion to either collagen or fibrinogen between irradiated and nonirradiated PAS-PCs. In vitro thrombus formation of flash UVC-irradiated PAS-PCs was significantly greater than that of nonirradiated PAS-PCs. ADP-induced Akt phosphorylation was enhanced in irradiated PAS-PCs. In vivo hemostatic efficacy was comparable between the groups on Day 1. The efficacy declined in nonirradiated PAS-PCs on Day 5, while it was retained in flash UVC-irradiated PAS-PCs. Circulatory survival of PLTs was lower in irradiated PAS-PCs. CONCLUSIONS PAS-PCs irradiated with UVC from xenon flash have favorable properties to achieve hemostasis compared with nonirradiated PAS-PCs.
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Affiliation(s)
- Hideki Abe
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, Tokyo, Japan
| | - Kimika Endo
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, Tokyo, Japan
| | - Masayuki Nogawa
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, Tokyo, Japan.,Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Masayuki Shiba
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, Tokyo, Japan
| | - Shigeki Miyata
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, Tokyo, Japan
| | - Masahiro Satake
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, Tokyo, Japan
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Gough P, Getz T, De Paoli S, Wagner S, Atreya C. Analysis of the mechanism of damage produced by thiazole orange photoinactivation in apheresis platelets. Blood Transfus 2021; 19:403-12. [PMID: 32955423 DOI: 10.2450/2020.0100-20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 08/06/2020] [Indexed: 11/21/2022]
Abstract
BACKGROUND Pathogen Reduction Technologies (PRTs) are broad spectrum nucleic acid replication-blocking antimicrobial treatments designed to mitigate risk of infection from blood product transfusions. Thiazole Orange (TO), a photosensitizing nucleic acid dye, was previously shown to photoinactivate several types of bacterial and viral pathogens in RBC suspensions without adverse effects on function. In this report we extended TO treatment to platelet concentrates (PCs) to see whether it is compatible with in vitro platelet functions also, and thus, could serve as a candidate technology for further evaluation. MATERIAL AND METHODS PCs were treated with TO, and an effective treatment dose for inactivation of Staphylococci was identified. Platelet function and physiology were then evaluated by various assays in vitro. RESULTS Phototreatment of PCs yielded significant reduction (≥4-log) in Staphylococci at TO concentrations ≥20 μM. However, treatment with TO reduced aggregation response to collagen over time, and platelets became unresponsive by 24 hours post-treatment (from >80% at 1 h to 0% at 24 h). TO treatment also significantly increased CD62P expression (<1% CD62P+ for untreated and >50% for TO treated at 1 h) and induced apoptosis in platelets (<1% Annexin V+ for untreated and >50% for TO treated at 1 h) and damaged mitochondrial DNA. A mitochondria-targeted antioxidant and reactive oxygen species (ROS) scavenger Mito-Tempo mitigated these adverse effects. DISCUSSION The results demonstrate that TO compromises mitochondria and perturbs internal signaling that activates platelets and triggers apoptosis. This study illustrates that protecting platelet mitochondria and its functions should be a fundamental consideration in selecting a PRT for transfusion units containing platelets, such as PCs.
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Rebulla P, Garban F, Meer PF, Heddle NM, McCullough J. A crosswalk tabular review on methods and outcomes from randomized clinical trials using pathogen reduced platelets. Transfusion 2020; 60:1267-1277. [DOI: 10.1111/trf.15791] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 03/10/2020] [Accepted: 03/14/2020] [Indexed: 12/30/2022]
Affiliation(s)
- Paolo Rebulla
- Department of Transfusion Medicine and HematologyFoundation IRCCS Caʼ Granda Ospedale Maggiore Policlinico Milan Italy
| | - Frederic Garban
- Department of HaematologyCentre Hospitalier Universitaire de Grenoble Alpes Grenoble France
| | - Pieter F. Meer
- Department of Product and Process DevelopmentSanquin Blood Bank Amsterdam The Netherlands
| | - Nancy M. Heddle
- Department of MedicineMcMaster University Hamilton Ontario Canada
| | - Jeffrey McCullough
- Department of Laboratory Medicine and PathologyUniversity of Minnesota Minneapolis Minnesota USA
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Newland A, Bentley R, Jakubowska A, Liebman H, Lorens J, Peck-Radosavljevic M, Taieb V, Takami A, Tateishi R, Younossi ZM. A systematic literature review on the use of platelet transfusions in patients with thrombocytopenia. ACTA ACUST UNITED AC 2020; 24:679-719. [PMID: 31581933 DOI: 10.1080/16078454.2019.1662200] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Objective: Investigate globally, current treatment patterns, benefit-risk assessments, humanistic, societal and economic burden of platelet transfusion (PT). Methods: Publications from 1998 to June 27, 2018 were identified, based on databases searches including MEDLINE®; Embase and Cochrane Database of Systematic Reviews. Data from studies meeting pre-specified criteria were extracted and validated by independent reviewers. Data were obtained for efficacy and safety from randomized controlled trials (RCTs); data for epidemiology, treatment patterns, effectiveness, safety, humanistic and societal burden from real-world evidence (RWE) studies; and economic data from both. Results: A total of 3425 abstracts, 194 publications (190 studies) were included. PT use varied widely, from 0%-100% of TCP patients; 1.7%-24.5% in large studies (>1000 patients). Most were used prophylactically rather than therapeutically. 5 of 43 RCTs compared prophylactic PT with no intervention, with mixed results. In RWE studies PT generally increased platelet count (PC). This increase varied by patient characteristics and hence did not always translate into a clinically significant reduction in bleeding risk. Safety concerns included infection risk, alloimmunization and refractoriness with associated cost burden. Discussion: In RCTs and RWE studies there was significant heterogeneity in study design and outcome measures. In RWE studies, patients receiving PT may have been at higher risk than those not receiving PT creating potential bias. There were limited data on humanistic and societal burden. Conclusion: Although PTs are used widely for increasing PC in TCP, it is important to understand the limitations of PTs, and to explore the use of alternative treatment options where available.
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Affiliation(s)
- Adrian Newland
- Barts Health National Health Service (NHS) Trust , London , UK
| | | | | | - Howard Liebman
- Jane Anne Nohl Division of Hematology, USC Norris Cancer Hospital , Los Angeles , CA , USA
| | | | - Markus Peck-Radosavljevic
- Department of Gastroenterology & Hepatology, Endocrinology and Nephrology, Klinikum Klagenfurt , Klagenfurt , Austria.,Division of Gastroenterology & Hepatology, Department of Internal Medicine III, Medical University of Vienna , Vienna , Austria
| | | | - Akiyoshi Takami
- Department of Internal Medicine, Division of Hematology, Aichi Medical University School of Medicine , Nagakute , Japan
| | - Ryosuke Tateishi
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo , Tokyo , Japan
| | - Zobair M Younossi
- Department of Medicine, Inova Fairfax Hospital , Falls Church , VA , USA
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34
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Lu W, Delaney M, Flegel WA, Ness P, Ratcliffe N, Triulzi DJ, Yazer MH, Ziman A, Dunbar NM. How do you… decide which platelet bacterial risk mitigation strategy to select for your hospital-based transfusion service? Transfusion 2020; 60:675-681. [PMID: 32027394 PMCID: PMC7131880 DOI: 10.1111/trf.15693] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/07/2020] [Accepted: 01/10/2020] [Indexed: 01/12/2023]
Abstract
The United States Food and Drug Administration Final Guidance for Industry titled, "Bacterial Risk Control Strategies for Blood Collection Establishments and Transfusion Services to Enhance the Safety and Availability of Platelets for Transfusion" provides nine strategies for platelet bacterial risk mitigation. Even if it is assumed all strategies are comparable in terms of safety and efficacy, the decision of which to implement remains challenging. Some additional factors that warrant evaluation before selecting a strategy include the financial impact, process for implementation, logistics upon implementation, institutional acceptance by blood bank staff, administration and clinicians, and effect on platelet availability. To assist with this difficult choice, a panel of transfusion service physicians who have expertise on the topic and have already selected strategies for their transfusion services were recruited to provide varied perspectives. In addition, the use of a decision-making tool that objectively evaluates defined criteria for assessment of the nine strategies is described.
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Affiliation(s)
- Wen Lu
- Robert Tomsich Pathology & Laboratory Medicine
Institute, Cleveland Clinic, Cleveland, Ohio
| | - Meghan Delaney
- Pathology and Laboratory Medicine, Children’s
National Medical Center, Washington, DC
| | - Willy A. Flegel
- Department of Transfusion Medicine, NIH Clinical Center,
National Institutes of Health, Bethesda
| | - Paul Ness
- Department of Pathology, Johns Hopkins University School of
Medicine, Baltimore, Maryland
| | - Nora Ratcliffe
- Pathology & Laboratory Medicine, White River Junction
VA Medical Center, White River Junction, Vermont
| | - Darrell J. Triulzi
- Centralized Transfusion Service, University of Pittsburgh,
Pittsburgh, Pennsylvania
| | - Mark H. Yazer
- Centralized Transfusion Service, University of Pittsburgh,
Pittsburgh, Pennsylvania
| | - Alyssa Ziman
- Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service,
Department of Pathology and Laboratory Medicine, David Geffen School of Medicine,
University of California Los Angeles, Los Angeles, California
| | - Nancy M. Dunbar
- Department of Pathology and Laboratory Medicine, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire
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35
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Satake M, Kozakai M, Matsumoto M, Matsubayashi K, Taira R, Goto N. Platelet safety strategies in Japan: impact of short shelf life on the incidence of septic reactions. Transfusion 2020; 60:731-738. [PMID: 32119134 DOI: 10.1111/trf.15733] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 01/17/2020] [Accepted: 01/29/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Transfusion-transmitted bacterial infections (TTBIs) often have serious consequences for patients. The Japanese Red Cross (JRC) has not implemented culture screening for platelet concentrate (PC), but it has maintained a shelf life of 85 hours for PC. STUDY DESIGN AND METHODS The JRC collected reports of suspected TTBI and investigated causal relationships using PC samples and patient blood samples. PCs showing apparent abnormalities were retrieved and cultured and analyzed for bacterial growth. RESULTS The JRC analyzed 86 samples available from 135 transfused PCs with suspected TTBIs that were collected over the past 12 years; 17 (19.8%) were culture-positive. One, 6, and 10 TTBIs developed in patients on Days 1, 2, and 3 after PC collection, respectively. Assuming that PC is transfused on the day of issue, the TTBI risk was fourfold higher on Day 3 than on Day 2, after adjusting the TTBI incidence for the number of PCs issued per day. Compared with the model of issuing all PCs on Day 3, issuing PCs with the current distribution of storage time could have decreased the TTBI incidence by 56%. During the past 8 years, the JRC retrieved 960 PC units because of apparent abnormalities, 2.8% of which were culture-positive. CONCLUSION The short shelf life of PC is associated with a low incidence of reported TTBIs, more than half of which occurred on Day 3 relative to earlier time points. Visual inspection of PC before transfusion is crucial in detecting bacterially contaminated PC despite its low positive predictive value.
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Affiliation(s)
- Masahiro Satake
- Central Blood Institute, Japanese Red Cross, Tokyo, Japan.,Blood Service Headquarters, Japanese Red Cross, Tokyo, Japan
| | - Moe Kozakai
- Central Blood Institute, Japanese Red Cross, Tokyo, Japan
| | - Mami Matsumoto
- Central Blood Institute, Japanese Red Cross, Tokyo, Japan
| | | | - Rikizo Taira
- Blood Service Headquarters, Japanese Red Cross, Tokyo, Japan
| | - Naoko Goto
- Blood Service Headquarters, Japanese Red Cross, Tokyo, Japan
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Abstract
Allogeneic platelets collected for transfusion treated with pathogen reduction technology (PRT), which has been available in some countries for more than a decade, are now increasingly available in the United States (US). The implementation of PRT-treated platelets, also known as pathogen-reduced platelets (PRPs), has been spurred by the need to further decrease the risk of sepsis associated with bacterial contamination coupled with the potential of this technology to reduce the risk of infections due to already recognized, new, and emerging infectious agents. This article will review available PRP products, examine their benefits, highlight unresolved questions surrounding this technology, and summarize pivotal research studies that have compared transfusion outcomes (largely in adult patients) for PRPs with non-PRT-treated conventional platelets (CPs). In addition, studies describing the use of PRPs in pediatric patients and work done on the association between PRPs and HLA alloimmunization are discussed. As new data emerge, it is critical to re-evaluate the risks and benefits of existing PRPs and newer technologies and reassess the financial implications of adopting PRPs to guide our decision-making process for the implementation of transfusing PRPs.
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Affiliation(s)
- Wen Lu
- Section of Transfusion Medicine, Robert Tomsich Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Mark Fung
- Department of Pathology and Laboratory Medicine, University of Vermont Medical Center, Burlington, VT, USA
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37
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Domanović D, Ushiro-Lumb I, Compernolle V, Brusin S, Funk M, Gallian P, Georgsen J, Janssen M, Jimenez-Marco T, Knutson F, Liumbruno GM, Mali P, Marano G, Maryuningsih Y, Niederhauser C, Politis C, Pupella S, Rautmann G, Saadat K, Sandid I, Sousa AP, Vaglio S, Velati C, Verdun N, Vesga M, Rebulla P. Pathogen reduction of blood components during outbreaks of infectious diseases in the European Union: an expert opinion from the European Centre for Disease Prevention and Control consultation meeting. Blood Transfus 2019; 17:433-48. [PMID: 31846608 DOI: 10.2450/2019.0288-19] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Accepted: 11/21/2019] [Indexed: 12/13/2022]
Abstract
Pathogen reduction (PR) of selected blood components is a technology that has been adopted in practice in various ways. Although they offer great advantages in improving the safety of the blood supply, these technologies have limitations which hinder their broader use, e.g. increased costs. In this context, the European Centre for Disease Prevention and Control (ECDC), in co-operation with the Italian National Blood Centre, organised an expert consultation meeting to discuss the potential role of pathogen reduction technologies (PRT) as a blood safety intervention during outbreaks of infectious diseases for which (in most cases) laboratory screening of blood donations is not available. The meeting brought together 26 experts and representatives of national competent authorities for blood from thirteen European Union and European Economic Area (EU/EEA) Member States (MS), Switzerland, the World Health Organization, the European Directorate for the Quality of Medicines and Health Care of the Council of Europe, the US Food and Drug Administration, and the ECDC. During the meeting, the current use of PRTs in the EU/EEA MS and Switzerland was verified, with particular reference to emerging infectious diseases (see Appendix). In this article, we also present expert discussions and a common view on the potential use of PRT as a part of both preparedness and response to threats posed to blood safety by outbreaks of infectious disease.
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38
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Jóhannsson F, Árnason NÁ, Landrö R, Guðmundsson S, Sigurjonsson ÓE, Rolfsson Ó. Metabolomics study of platelet concentrates photochemically treated with amotosalen and UVA light for pathogen inactivation. Transfusion 2019; 60:367-377. [PMID: 31802514 DOI: 10.1111/trf.15610] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 10/18/2019] [Accepted: 10/19/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND The risk of bacterial contamination and the deterioration of platelet (PLT) quality limit the shelf-life of platelet concentrates (PCs). The INTERCEPT pathogen inactivation system reduces the risk of pathogen transmission by inhibiting nucleic acid replication using a combination of a photo-reactive compound and UVA illumination. The goal of this study was to investigate the effects the INTERCEPT system has on the PLT metabolome and metabolic activity. STUDY DESIGN AND METHODS Paired units of buffy coat-derived PCs were generated using a pool and split strategy (n = 8). The paired PCs were either treated with the INTERCEPT system or left untreated. Samples were collected on Days 1, 2, 4, and 7 of storage. Ultra-performance chromatography coupled with time-of-flight mass spectrometry was used to analyze the extra- and intracellular metabolomes. Constraint-based metabolic modeling was then used to predict the metabolic activity of the stored PLTs. RESULTS A relatively large number of metabolites in the extracellular environment were depleted during the processing steps of the INTERCEPT system, in particular, metabolites with hydrophobic functional groups, including acylcarnitines and lysophosphatidylcholines. In the intracellular environment, alterations in glucose and glycerophospholipid metabolism and decreased levels of 2-hydroxyglutarate were observed following the INTERCEPT treatment. Untargeted metabolomics analysis revealed residual amotosalen dimers present in the treated PCs. Systems-level analysis of PLT metabolism indicated that the INTERCEPT system does not have a significant impact on the PLT energy metabolism and nutrient utilization. CONCLUSIONS The INTERCEPT system significantly alters the metabolome of the stored PCs without significantly influencing PLT energy metabolism.
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Affiliation(s)
- Freyr Jóhannsson
- Center for Systems Biology, University of Iceland, Sturlugata 8, Reykjavik, Iceland.,Medical Department, University of Iceland, Sturlugata 8, Reykjavik, Iceland
| | - Níels Á Árnason
- The Blood Bank, Landspitali-University Hospital, Snorrabraut 60, Reykjavik, Iceland
| | - Ragna Landrö
- The Blood Bank, Landspitali-University Hospital, Snorrabraut 60, Reykjavik, Iceland
| | - Sveinn Guðmundsson
- The Blood Bank, Landspitali-University Hospital, Snorrabraut 60, Reykjavik, Iceland
| | - Ólafur E Sigurjonsson
- The Blood Bank, Landspitali-University Hospital, Snorrabraut 60, Reykjavik, Iceland.,School of Science and Engineering, Reykjavik University, Menntavegur 1, Reykjavik, Iceland
| | - Óttar Rolfsson
- Center for Systems Biology, University of Iceland, Sturlugata 8, Reykjavik, Iceland.,Medical Department, University of Iceland, Sturlugata 8, Reykjavik, Iceland
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39
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Gorria C, Labata G, Lezaun M, López FJ, Pérez Aliaga AI, Pérez Vaquero MÁ. Impact of implementing pathogen reduction technologies for platelets on reducing outdates. Vox Sang 2019; 115:167-173. [DOI: 10.1111/vox.12860] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 10/15/2019] [Accepted: 10/15/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Carlos Gorria
- Department of Applied Mathematics, Statistics and Operations Research University of the Basque Country ‐ UPV/EHU Bizkaia Spain
| | | | - Mikel Lezaun
- Department of Applied Mathematics, Statistics and Operations Research University of the Basque Country ‐ UPV/EHU Bizkaia Spain
| | - F. Javier López
- Department of Statistical Methods and Institute for Biocomputation and Physics of Complex Systems University of Zaragoza Zaragoza Spain
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Arnason NA, Johannson F, Landrö R, Hardarsson B, Irsch J, Gudmundsson S, Rolfsson O, Sigurjonsson OE. Pathogen inactivation with amotosalen plus UVA illumination minimally impacts microRNA expression in platelets during storage under standard blood banking conditions. Transfusion 2019; 59:3727-3735. [PMID: 31674051 DOI: 10.1111/trf.15575] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/15/2019] [Accepted: 10/03/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND To reduce the risk of transfusion transmission infection, nucleic acid targeted methods have been developed to inactivate pathogens in PCs. miRNAs have been shown to play an important role in platelet function, and changes in the abundance of specific miRNAs during storage have been observed, as have perturbation effects related to pathogen inactivation (PI) methods. The aim of this work was to investigate the effects of PI on selected miRNAs during storage. STUDY DESIGN AND METHODS Using a pool and split strategy, 3 identical buffy coat PC units were generated from a pool of 24 whole blood donors. Each unit received a different treatment: 1) Untreated platelet control in platelet additive solution (C-PAS); 2) Amotosalen-UVA-treated platelets in PAS (PI-PAS); and 3) untreated platelets in donor plasma (U-PL). PCs were stored for 7 days under standard blood banking conditions. Standard platelet quality control (QC) parameters and 25 selected miRNAs were analyzed. RESULTS During the 7-day storage period, differences were found in several QC parameters relating to PI treatment and storage in plasma, but overall the three treatments were comparable. Out of 25 miRNA tested changes in regulation of 5 miRNA in PI-PAS and 3 miRNA U-PL where detected compared to C-PAS. A statistically significant difference was observed in down regulations miR-96-5p on Days 2 and 4, 61.9% and 61.8%, respectively, in the PI-PAS treatment. CONCLUSION Amotosalen-UVA treatment does not significantly alter the miRNA profile of platelet concentrates generated and stored using standard blood banking conditions.
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Affiliation(s)
- Niels Arni Arnason
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland
| | - Freyr Johannson
- Department of Medicine, University of Iceland, Reykjavik, Iceland
| | - Ragna Landrö
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland
| | - Björn Hardarsson
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland
| | | | - Sveinn Gudmundsson
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland
| | - Ottar Rolfsson
- Department of Medicine, University of Iceland, Reykjavik, Iceland
| | - Olafur E Sigurjonsson
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland.,School of Science and Engineering, Reykjavik University, Reykjavik, Iceland
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41
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Delabie W, Maes W, Devloo R, Van den Hauwe MR, Vanhoorelbeke K, Compernolle V, Feys HB. The senotherapeutic nicotinamide riboside raises platelet nicotinamide adenine dinucleotide levels but cannot prevent storage lesion. Transfusion 2019; 60:165-174. [PMID: 31652008 PMCID: PMC6973138 DOI: 10.1111/trf.15556] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 08/28/2019] [Accepted: 09/19/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Supplementation of the nicotinamide adenine dinucleotide (NAD) precursor nicotinamide riboside (NR) has recently been shown to increase life‐span of cells, tissues, and entire organisms. [Correction added on 13 December 2019, after first online publication: In the preceding sentence, “adenine nicotinamide” was revised to “nicotinamide adenine.”] The impact of NR on platelet longevity has not been tested. STUDY DESIGN AND METHODS A pool‐and‐split design of buffy coat derived platelet concentrates (PCs) was used. One arm was treated with cumulative doses of NR‐triflate, the control arm with sodium triflate. Storage lesion was monitored for 23 days. Platelet metabolic and functional parameters were tested. Clearance of human platelets was measured in a mouse model of transfusion. RESULTS Total intracellular NAD levels in platelets decreased two‐fold from 4.8 ± 0.5 fmol (mean ± SD, n = 6) to 2.1 ± 1.8 fmol per 103 control cells, but increased almost 10‐fold to 41.5 ± 4.1 fmol per 103 NR treated platelets. This high intracellular NAD level had no significant impact on platelet count, mean platelet volume, swirling, nor on lactate and glucose levels. Platelet aggregation and integrin αIIbβ3 activation declined steadily and comparably in both conditions. GPIbα levels were slightly lower in NR‐treated platelets compared to control, but this was not caused by reduced receptor shedding because glycocalicin increased similarly. Apoptotic markers cytochrome c, Bcl‐xL, cleaved caspase‐3, and Bak were not different throughout storage for both conditions. Platelet survival in a mouse model of transfusion was not different between NR‐treated and control platelets. CONCLUSION Platelets carry the cellular machinery to metabolize NR into NAD at rates comparable to other eukaryotic cells. Unlike those cells, platelet life‐span cannot be prolonged using this strategy.
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Affiliation(s)
- Willem Delabie
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium
| | - Wim Maes
- Laboratory For Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium
| | - Rosalie Devloo
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium
| | | | - Karen Vanhoorelbeke
- Laboratory For Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium
| | - Veerle Compernolle
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium.,Blood Services, Belgian Red Cross-Flanders, Mechelen, Belgium
| | - Hendrik B Feys
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium.,Blood Services, Belgian Red Cross-Flanders, Mechelen, Belgium
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43
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Infanti L, Holbro A, Passweg J, Bolliger D, Tsakiris DA, Merki R, Plattner A, Tappe D, Irsch J, Lin JS, Corash L, Benjamin RJ, Buser A. Clinical impact of amotosalen-ultraviolet A pathogen-inactivated platelets stored for up to 7 days. Transfusion 2019; 59:3350-3361. [PMID: 31574181 PMCID: PMC6900102 DOI: 10.1111/trf.15511] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 08/07/2019] [Accepted: 08/07/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Universal pathogen inactivation of platelet concentrates (PCs) using amotosalen/ultraviolet A with 7‐day storage was implemented in Switzerland in 2011. Routine‐use data were analyzed at the University Hospital Basel, Switzerland. STUDY DESIGN A retrospective two‐cohort study of patient and PC characteristics, component usage, patient outcomes, count increments (CIs), and adverse events were analyzed for two consecutive 5‐year periods with either 0‐ to 5‐day‐old conventional PC (C‐PC) (n = 14,181) or 0‐ to 7‐day‐old pathogen‐inactivated PC (PI‐PC) (n = 22,579). RESULTS In both periods, PCs were issued for transfusion on a “first in, first out” basis. With 7‐day PI‐PC, wastage was reduced from 8.7% to 1.5%; 16.6% of transfused PI‐PCs were more than 5 days old. Transfusion of PI‐PC more than 5 days old compared with 5 days old or less did not increase platelet and RBC use on the same or next day as an indirect measure of hemostasis and did not increase transfusion reactions. Mean corrected count increments (CCIs) for PI‐PC stored for 5 days or less were 22.6% lower than for C‐PC (p < 0.001), and declined with increasing storage duration for both, although the correlation was weak (r2 = 0.005‐0.014). Mean number of PCs used per patient and duration of PC support were not different for hematology/oncology, allogeneic and autologous hematopoietic stem cell transplant (HSCT), and general medical/surgical patients, who used the majority (~92.0%) of PI‐PCs. Five‐year treatment‐related mortality in allogeneic HSCT was unchanged in the PI‐PC period. CONCLUSIONS PI‐PCs with 7‐day storage reduced wastage and did not increase PC or red blood cell utilization or adverse reactions compared with fresh PI‐PC or a historical control group, demonstrating preserved efficacy and safety.
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Affiliation(s)
- Laura Infanti
- Regional Blood Transfusion Service, Swiss Red Cross, Basel, Switzerland
| | - Andreas Holbro
- Regional Blood Transfusion Service, Swiss Red Cross, Basel, Switzerland.,Hematology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Jakob Passweg
- Hematology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Daniel Bolliger
- Department for Anesthesia, Prehospital Emergency Medicine, and Pain Therapy, University Hospital Basel, University of Basel, Basel, Switzerland
| | | | - Ramona Merki
- Hematology, University Hospital Basel, University of Basel, Basel, Switzerland
| | | | | | | | | | | | | | - Andreas Buser
- Regional Blood Transfusion Service, Swiss Red Cross, Basel, Switzerland.,Hematology, University Hospital Basel, University of Basel, Basel, Switzerland
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44
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Bahar B, Schulz WL, Gokhale A, Spencer BR, Gehrie EA, Snyder EL. Blood utilisation and transfusion reactions in adult patients transfused with conventional or pathogen-reduced platelets. Br J Haematol 2019; 188:465-472. [PMID: 31566724 PMCID: PMC7003815 DOI: 10.1111/bjh.16187] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 06/27/2019] [Indexed: 01/23/2023]
Abstract
Pathogen-reduced (PR) platelets are routinely used in many countries. Some studies reported changes in platelet and red blood cell (RBC) transfusion requirements in patients who received PR platelets when compared to conventional (CONV) platelets. Over a 28-month period we retrospectively analysed platelet utilisation, RBC transfusion trends, and transfusion reaction rates data from all transfused adult patients transfused at the Yale-New Haven Hospital, New Haven, CT, USA. We determined the number of RBC and platelet components administered between 2 and 24, 48, 72 or 96 h. A total of 3767 patients received 21 907 platelet components (CONV = 8912; PR = 12 995); 1,087 patients received only CONV platelets (1578 components) and 1,466 patients received only PR platelets (2604 components). The number of subsequently transfused platelet components was slightly higher following PR platelet components (P < 0·05); however, fewer RBCs were transfused following PR platelet administration (P < 0·05). The mean time-to-next platelet component transfusion was slightly shorter following PR platelet transfusion (P = 0·002). The rate of non-septic transfusion reactions did not differ (all P > 0·05). Septic transfusion reactions (N = 5) were seen only after CONV platelet transfusions (P = 0·011). These results provide evidence for comparable clinical efficacy of PR and CONV platelets. PR platelets eliminated septic transfusion reactions without increased risk of other types of transfusions with only slight increase in platelet utilisation.
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Affiliation(s)
- Burak Bahar
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Wade L Schulz
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA.,Center for Outcomes Research and Evaluation, Yale-New Haven Hospital, New Haven, CT, USA
| | - Amit Gokhale
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA
| | | | - Eric A Gehrie
- Department of Pathology and Laboratory Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Edward L Snyder
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA
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45
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Abstract
PURPOSE OF REVIEW Platelet transfusion is a widely used therapy in treating or preventing bleeding and haemorrhage in patients with thrombocytopenia or trauma. Compared with the relative ease of platelet transfusion, current practice for the storage of platelets is inefficient, costly and relatively unsafe, with platelets stored at room temperature (RT) for upto 5-7 days. RECENT FINDINGS During storage, especially at cold temperatures, platelets undergo progressive and deleterious changes, collectively termed the 'platelet storage lesion', which decrease their haemostatic function and posttransfusion survival. Recent progress in understanding platelet activation and host clearance mechanisms is leading to the consideration of both old and novel storage conditions that use refrigeration and/or cryopreservation to overcome various storage lesions and significantly extend platelet shelf-life with a reduced risk of pathogen contamination. SUMMARY A review of the advantages and disadvantages of alternative methods for platelet storage is presented from both a clinical and biological perspective. It is anticipated that future platelet preservation involving cold, frozen and/or pathogen reduction strategies in a proper platelet additive solution will enable longer term and safer platelet storage.
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Atreya C, Glynn S, Busch M, Kleinman S, Snyder E, Rutter S, AuBuchon J, Flegel W, Reeve D, Devine D, Cohn C, Custer B, Goodrich R, Benjamin RJ, Razatos A, Cancelas J, Wagner S, Maclean M, Gelderman M, Cap A, Ness P. Proceedings of the Food and Drug Administration public workshop on pathogen reduction technologies for blood safety 2018 (Commentary, p. 3026). Transfusion 2019; 59:3002-3025. [PMID: 31144334 PMCID: PMC6726584 DOI: 10.1111/trf.15344] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/06/2019] [Accepted: 05/06/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Chintamani Atreya
- US Food and Drug Administration, Center for Biologics Evaluation and ResearchOffice of Blood Research and ReviewSilver SpringMaryland
| | - Simone Glynn
- National Heart Lung and Blood InstituteBethesdaMarylandUSA
| | | | | | - Edward Snyder
- Blood BankYale‐New Haven HospitalNew HavenConnecticut
| | - Sara Rutter
- Department of Pathology and Laboratory MedicineYale School of MedicineNew HavenConnecticut
| | - James AuBuchon
- Department of PathologyDartmouth‐Hitchcock Medical CenterLebanonNew Hampshire
| | - Willy Flegel
- Department of Transfusion MedicineNIH Clinical CenterBethesdaMaryland
| | - David Reeve
- Blood ComponentsAmerican Red CrossRockvilleMaryland
| | - Dana Devine
- Department of Lab Medicine and PathologyUniversity of Minnesota Medical CenterMinneapolisMinnesota
| | - Claudia Cohn
- Department of Lab Medicine and PathologyUniversity of Minnesota Medical CenterMinneapolisMinnesota
| | - Brian Custer
- Vitalant Research InstituteSan FranciscoCalifornia
| | - Raymond Goodrich
- Department of Microbiology, Immunology and PathologyColorado State UniversityFort CollinsColorado
| | | | | | - Jose Cancelas
- Hoxworth Blood CenterUniversity of Cincinnati HealthCincinnatiOhio
| | | | - Michelle Maclean
- The Robertson Trust Laboratory for Electronic Sterilisation Technologies (ROLEST)University of StrathclydeGlasgowScotland
| | - Monique Gelderman
- Department of HematologyCenter for Biologics Evaluation and Research, US Food and Drug AdministrationSilver SpringMaryland
| | - Andrew Cap
- U.S. Army Institute of Surgical ResearchSan AntonioTexas
| | - Paul Ness
- Blood BankJohns Hopkins HospitalBaltimoreMaryland
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Rebulla P. The long and winding road to pathogen reduction of platelets, red blood cells and whole blood. Br J Haematol 2019; 186:655-667. [PMID: 31304588 DOI: 10.1111/bjh.16093] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 06/22/2019] [Indexed: 02/07/2023]
Abstract
Pathogen reduction technologies (PRTs) have been developed to further reduce the current very low risks of acquiring transfusion-transmitted infections and promptly respond to emerging infectious threats. An entire portfolio of PRTs suitable for all blood components is not available, but the field is steadily progressing. While PRTs for plasma have been used for many years, PRTs for platelets, red blood cells (RBC) and whole blood (WB) were developed more slowly, due to difficulties in preserving cell functions during storage. Two commercial platelet PRTs use ultra violet (UV) A and UVB light in the presence of amotosalen or riboflavin to inactivate pathogens' nucleic acids, while a third experimental PRT uses UVC light only. Two PRTs for WB and RBC have been tested in experimental clinical trials with storage limited to 21 or 35 days, due to unacceptably high RBC storage lesion beyond these time limits. This review summarizes pre-clinical investigations and selected outcomes from clinical trials using the above PRTs. Further studies are warranted to decrease cell storage lesions after PRT treatment and to test PRTs in different medical and surgical conditions. Affordability remains a major administrative obstacle to PRT use, particularly so in geographical regions with higher risks of transfusion-transmissible infections.
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Affiliation(s)
- Paolo Rebulla
- Department of Transfusion Medicine and Haematology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
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49
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Six KR, Devloo R, Compernolle V, Feys HB. Impact of cold storage on platelets treated with Intercept pathogen inactivation. Transfusion 2019; 59:2662-2671. [PMID: 31187889 PMCID: PMC6851707 DOI: 10.1111/trf.15398] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 05/23/2019] [Accepted: 05/23/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Pathogen inactivation and cold or cryopreservation of platelets (PLTs) both significantly affect PLT function. It is not known how PLTs function when both are combined. STUDY DESIGN AND METHODS Standard PLT concentrates (PCs) were compared to pathogen‐inactivated PCs treated with amotosalen photochemical treatment (AS‐PCT) when stored at room (RT, 22°C), cold (4°C, n = 6), or cryopreservation (−80°C, n = 8) temperatures. The impact of alternative storage methods on both arms was studied in flow cytometry, light transmittance aggregometry, and hemostasis in collagen‐coated microfluidic flow chambers. RESULTS Platelet aggregation of cold‐stored AS‐PCT PLTs was 44% ± 11% compared to 57% ± 14% for cold‐stored standard PLTs and 58% ± 21% for RT‐stored AS‐PCT PLTs. Integrin activation of cold‐stored AS‐PCT PLTs was 53% ± 9% compared to 77% ± 6% for cold‐stored standard PLTs and 69% ± 13% for RT‐stored AS‐PCT PLTs. Coagulation of cold‐stored AS‐PCT PLTs started faster under flow (836 ± 140 sec) compared to cold‐stored standard PLTs (960 ± 192 sec) and RT‐stored AS‐PCT PLTs (1134 ± 220 sec). Fibrin formation rate under flow was also highest for cold‐stored AS‐PCT PLTs. This was in line with thrombin generation in static conditions because cold‐stored AS‐PCT PLTs generated 297 ± 47 nmol/L thrombin compared to 159 ± 33 nmol/L for cold‐stored standard PLTs and 83 ± 25 nmol/L for RT‐stored AS‐PCT PLTs. So despite decreased PLT activation and aggregation, cold storage of AS‐PCT PLTs promoted coagulation. PLT aggregation of cryopreserved AS‐PCT PLTs (23% ± 10%) was not significantly different from cryopreserved standard PLTs (25% ± 8%). CONCLUSION This study shows that cold storage of AS‐PCT PLTs further affects PLT activation and aggregation but promotes (pro)coagulation. Increased procoagulation was not observed after cryopreservation.
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Affiliation(s)
- Katrijn R Six
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Rosalie Devloo
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium
| | - Veerle Compernolle
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium.,Blood Service of the Belgian Red Cross-Flanders, Mechelen, Belgium
| | - Hendrik B Feys
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
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50
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Schulz WL, McPadden J, Gehrie EA, Bahar B, Gokhale A, Ross R, Price N, Spencer BR, Snyder E. Blood Utilization and Transfusion Reactions in Pediatric Patients Transfused with Conventional or Pathogen Reduced Platelets. J Pediatr 2019; 209:220-225. [PMID: 30885645 DOI: 10.1016/j.jpeds.2019.01.046] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/15/2019] [Accepted: 01/29/2019] [Indexed: 01/19/2023]
Abstract
OBJECTIVES To assess the safety and efficacy of a Food and Drug Administration-approved pathogen-reduced platelet (PLT) product in children, as ongoing questions regarding their use in this population remain. STUDY DESIGN We report findings from a quality assurance review of PLT utilization, associated red blood cell transfusion trends, and short-term safety of conventional vs pathogen-reduced PLTs over a 21-month period while transitioning from conventional to pathogen-reduced PLTs at a large, tertiary care hospital. We assessed utilization in neonatal intensive care unit (NICU) patients, infants 0-1 year not in the NICU, and children age 1-18 years (PED). RESULTS In the 48 hours after an index conventional or pathogen-reduced platelet transfusion, respectively, NICU patients received 1.0 ± 1.4 (n = 91 transfusions) compared with 1.2 ± 1.3 (n = 145) additional platelet doses (P = .29); infants 0-1 year not in the NICU received 2.8 ± 3.0 (n = 125) vs 2.6 ± 2.6 (n = 254) additional platelet doses (P = .57); and PEDs received 0.9 ± 1.6 (n = 644) vs 1.4 ± 2.2 (n = 673) additional doses (P < .001). Time to subsequent transfusion and red cell utilization were similar in every group (P > .05). The number and type of transfusion reactions did not significantly vary based on PLT type and no rashes were reported in NICU patients receiving phototherapy and pathogen-reduced PLTs. CONCLUSIONS Conventional and pathogen-reduced PLTs had similar utilization patterns in our pediatric populations. A small, but statistically significant, increase in transfusions was noted following pathogen-reduced PLT transfusion in PED patients, but not in other groups. Red cell utilization and transfusion reactions were similar for both products in all age groups.
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Affiliation(s)
- Wade L Schulz
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT; Center for Outcomes Research and Evaluation, Yale New Haven Hospital, New Haven, CT
| | - Jacob McPadden
- Department of Pediatrics, Yale School of Medicine, New Haven, CT
| | - Eric A Gehrie
- Department of Pathology and Surgery, Johns Hopkins Medical Institutions, Baltimore, MD
| | - Burak Bahar
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT
| | - Amit Gokhale
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT; Department of Pathology, Stony Brook School of Medicine
| | - Rebecca Ross
- Blood Bank, Yale New Haven Hospital, New Haven, CT
| | - Nathaniel Price
- Information Technology Services, Yale New Haven Health, New Haven, CT
| | | | - Edward Snyder
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT.
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