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Author Spotlight: Advancements in CAR-T Cell Manufacturing and Gene Therapy Production
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How do I save cell therapy product's storage space?

Grace H Kim1, Nita Patel1, Ronit Reich-Slotky1

  • 1Department of Stem Cell Transplantation and Cellular Therapy, John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, New Jersey, USA.

Transfusion
|February 25, 2023
PubMed
Summary
This summary is machine-generated.

Multi-compartment cryopreservation bags offer a solution to limited freezer space for transplant programs. These validated bags successfully store donor lymphocyte infusion aliquots, improving cell therapy product cryopreservation.

Keywords:
Cellular therapy

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Area of Science:

  • Cellular therapy
  • Cryobiology
  • Transplant medicine

Background:

  • Limited liquid nitrogen (LN2) freezer storage space is a growing challenge for transplant programs.
  • The COVID-19 pandemic accelerated the need for increased cryopreservation capacity for allogeneic grafts.
  • Multi-compartment cryopreservation bags present a potential solution for space constraints but require validation.

Observation:

  • The study validated the use of five-compartment cryobags for cell therapy products.
  • Post-thaw analysis included product volume distribution, total nucleated cell (TNC) recovery, and cell viability.
  • Bag compartment integrity and label adhesion were also assessed.

Findings:

  • All cryopreserved specimens met established post-thaw viability and TNC recovery criteria.
  • An optimized fill volume of 24-25 mL ensured acceptable volume distribution across compartments.
  • Proper heat sealing maintained aliquot integrity, and labels remained adherent and legible.

Implications:

  • Multi-compartment cryobags are validated for successful cryopreservation of cell therapy products, including donor lymphocyte infusion (DLI) aliquots.
  • These bags significantly increase cryopreservation storage capacity, addressing a critical challenge for growing transplant programs.
  • The findings support the broader adoption of multi-compartment bags to improve efficiency in cell therapy storage and logistics.