Leukopaks
Leukopaks
Ensuring Quality and Consistency
in Your Starting Materials
Ensuring Quality and Consistency
in Your Starting Materials
As a nationwide leader and largest single provider of apheresis collections in support of cell and gene therapies, the American Red Cross offers high-quality leukopaks to help clients move efficiently through the pre-clinical, clinical, and commercial phases of development to advance the delivery of live-saving, breakthrough therapies.
Collected via leukapheresis in FDA-registered collection centers from IRB-consented, pre-screened healthy donors, the Red Cross can confidently and repeatedly supply you with quality starting materials that drives speed and efficiency in your cell sourcing processes.

High Quality Leukopaks Available When You Need Them
Red Cross leukopaks can be used to support your needs from bench research to commercialization in the development of your cell and gene therapies. Through our 10+ years of experience and standardized processes, the Red Cross can ensure supply chain continuity from collection through processing and delivery to provide you with the quality product you need on your timeline.
- We offer a range of allogeneic starting materials grades, ranging from RUO to cGMP-compliant clinical grade starting materials, and commercial-grade products
- Our RUO starting materials products are functionally equivalent to our cGMP-compliant clinical or commercial grade starting materials, enabling smooth and effective translation of allogeneic cell therapies from research/development to the clinic and supporting the eventual transition to commercial manufacture
- Leukopak products can be shipped immediately following collection or can be cryopreserved, with processing, and stored for delivery when needed.
Product Specifications
Fresh Leukopak
Cryopreserved Leukopak (Processed)
HLA Typed Leukopak
Full Leukopaks
RUO, Clinical and Commercial
Half Leukopaks
RUO, Clinical and Commercial
HLA typing, KIR testing, and additional specialized infectious disease testing may be performed on donors as requested to meet specific client requirements.
Collections are performed at five active Red Cross leukopak collection sites across the country.
2x Total Blood Volume to be processed, up to 10L
150 - 400 mL total product volume
Approximately 15 billion White Blood Cells (TNC) – dependent on donor size
Autologous plasma upon request
1x Total Blood Volume to be processed, up to 5L
75 - 200 mL total product volume
Approximately 7.5 billion White Blood Cells (TNC) – dependent on donor size
Autologous plasma upon request
Fresh leukopak collections can start within 2 – 14 days of receiving your purchase order.
Delivery: Same day in select geographies, Overnight available to all geographies in the US, International delivery dependent upon courier.
HLA typing, KIR testing, and additional specialized infectious disease testing may be performed on donors as requested to meet specific client requirements.
Collections are performed at five active Red Cross leukopak collection sites across the country.
Collection:
2x Total Blood Volume to be processed, up to 10L
150 - 400 mL total product volume
Approximately 15 Billion White Blood Cells (TNC) – Dependent on Donor Size
Autologous plasma upon request
Processing:
Ficoll separation, or separation according to client requirements
Processing performed in a Biological Safety Cabinet (BSC) in cleanroom environment
Certificate of Conformance and/or a Certificate of Analysis provided upon request
Delivery: Same day in select geographies, Overnight available to all geographies in the US, International delivery dependent upon courier.
Full Leukopaks
RUO, Clinical and Commercial
Half Leukopaks
RUO, Clinical and Commercial
HLA typing, KIR testing, and additional specialized infectious disease testing may be performed on donors as requested to meet specific client requirements.
Collections are performed at five active Red Cross leukopak collection sites across the country.
2x Total Blood Volume to be processed, up to 10L
150 - 400 mL total product volume
Approximately 15 billion White Blood Cells (TNC) – dependent on donor size
Autologous plasma upon request
1x Total Blood Volume to be processed, up to 5L
75 - 200 mL total product volume
Approximately 7.5 billion White Blood Cells (TNC) – dependent on donor size
Autologous plasma upon request
Fresh leukopak collections can start within 2 – 14 days of receiving your purchase order.
Delivery: Same day in select geographies, Overnight available to all geographies in the US, International delivery dependent upon courier.




Standardized Apheresis Collection Processes Across Sites
- Collections adhere to Good TissuePractices (GTP)
- Standard equipment across centers—TerumoBCT Optia and FreseniusKabi Amicus are available
- Standardized collection procedures and national SOPs
- Suite of customization options that can be used to tailor client-specific requirements into practice
You can also reach an account executive by calling 833-760-0625.
We look forward to speaking with you.