How transplant centers deal with the dextran shortage: recommendations for comparing alternatives.
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2016-11
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Abstract
Background
In the United States, dextran 40 in 0.9% NaCl is the preferred reagent for the thawing and preparation of cord blood units for hematopoietic stem cell transplantation. The recurring nationwide shortage of this reagent could have implications that extend to the avoidance of cord blood for transplantation.Study design and methods
To address the shortage, the National Marrow Donor Program and its Cord Blood Advisory Group sought to identify available alternative reagents or manufacturers. A sample of transplant centers (TCs) were surveyed to determine their process to compare these alternatives. The TCs were then asked to share their comparability protocols for review.Results
The 12 TCs that responded to the survey studied various types of alternative reagents and manufacturers of the standard dextran 40 in 0.9% NaCl. Four TCs submitted their protocols from which a model comparability protocol was created for centers who need assistance.Conclusion
Whether comparing dextran 40 in 0.9% NaCl to that of a different manufacturer or a different reagent, the results of the comparability studies submitted by the TCs indicated equivalency. During a shortage, the model comparability study protocol can be used as a reference to establish an alternative to dextran 40 in 0.9% NaCl.Type
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Brady, Colleen, Sue Armitage, Brian Freed, Merry Duffy, Anne Gass, Stephen Spellman, Joanne Kurtzberg, Donna Regan, et al. (2016). How transplant centers deal with the dextran shortage: recommendations for comparing alternatives. Transfusion, 56(11). pp. 2657–2661. 10.1111/trf.13783 Retrieved from https://hdl.handle.net/10161/24608.
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Joanne Kurtzberg
Dr. Kurtzberg is an internationally renowned expert in pediatric hematology/oncology, pediatric blood and marrow transplantation, umbilical cord blood banking and transplantation, and novel applications of cord blood and birthing tissues in the emerging fields of cellular therapies and regenerative medicine. Dr. Kurtzberg serves as the Director of the Marcus Center for Cellular Cures (MC3), Director of the Pediatric Transplant and Cellular Therapy Program, Director of the Carolinas Cord Blood Bank, and Co-Director of the Stem Cell Transplant Laboratory at Duke University. The Carolinas Cord Blood Bank is an FDA licensed public cord blood bank distributing unrelated cord blood units for donors for hematopoietic stem cell transplantation (HSCT) through the CW Bill Young Cell Transplantation Program. The Robertson GMP Cell Manufacturing Laboratory supports manufacturing of RETHYMIC (BLA, Enzyvant, 2021), allogeneic cord tissue derived and bone marrow derived mesenchymal stromal cells (MSCs), and DUOC, a microglial/macrophage cell derived from cord blood.
Dr. Kurtzberg’s research in MC3 focuses on translational studies from bench to bedside, seeking to develop transformative clinical therapies using cells, tissues, molecules, genes, and biomaterials to treat diseases and injuries that currently lack effective treatments. Recent areas of investigation in MC3 include clinical trials investigating the safety and efficacy of autologous and allogeneic cord blood in children with neonatal brain injury – hypoxic ischemic encephalopathy (HIE), cerebral palsy (CP), and autism. Clinical trials testing allogeneic cord blood are also being conducted in adults with acute ischemic stroke. Clinical trials optimizing manufacturing and testing the safety and efficacy of cord tissue MSCs in children with autism, CP and HIE and adults with COVID-lung disease are underway. DUOC, given intrathecally, is under study in children with leukodystrophies and adults with primary progressive multiple sclerosis.
In the past, Dr. Kurtzberg has developed novel chemotherapeutic drugs for acute leukemias, assays enumerating ALDH bright cells to predict cord blood unit potency, methods of cord blood expansion, potency assays for targeted cell and tissue based therapies. Dr. Kurtzberg currently holds several INDs for investigational clinical trials from the FDA. She has also trained numerous medical students, residents, clinical and post-doctoral fellows over the course of her career.
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