Eradication of B-lineage cells and regression of lymphoma in a patient treated with autologous T cells genetically engineered to recognize CD19
Open accessAbstract
Adoptive transfer of genetically modified T cells is an attractive approach for generating antitumor immune responses. We treated a patient with advanced follicular lymphoma by administering a preparative chemotherapy regimen followed by autologous T cells genetically engineered to express a chimeric antigen receptor (CAR) that recognized the B-cell antigen CD19. The patient's lymphoma underwent a dramatic regression, and B-cell precursors were selectively eliminated from the patient's bone marrow after infusion of anti-CD19-CAR-transduced T cells. Blood B cells were absent for at least 39 weeks after anti-CD19-CAR-transduced T-cell infusion despite prompt recovery of other blood cell counts. Consistent with eradication of B-lineage cells, serum immunoglobulins decreased to very low levels after treatment. The prolonged and selective elimination of B-lineage cells could not be attributed to the chemotherapy that the patient received and indicated antigen-specific eradication of B-lineage cells. Adoptive transfer of anti-CD19-CAR-expressing T cells is a promising new approach for treating B-cell malignancies. This study is registered at www.clinicaltrials.gov as #NCT00924326.
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Most clinical protocols and all commercially approved therapies have relied on viral vectors to deliver CAR transgenes into T cells.
“Further, most clinical protocols, and all the commercially approved therapies, have relied on viral vectors to deliver CAR transgenes into T cells (9-14,24-26).”
From Scalable Manufacturing of CAR T Cells for Cancer Immunotherapy (2021) · cites this paper as [12]
The Methods (page not provided) describe a clinical trial that used a retroviral vector to deliver an anti-CD19 CAR into T cells. This supports the paper as an example of a viral-vector clinical protocol, but it does not establish that most protocols or all commercially approved therapies used viral vectors. (LLM, conf=0.88)
Experimental — accuracy not yet measuredAll approved CAR T-cell products are second-generation CARs that incorporate CD28 or CD137 (4-1BB) co-stimulatory signals.
“All approved CAR T-cell products are second-generation CARs that incorporate CD28 or CD137 (4-1BB) co-stimulatory signals, which are essential for eliciting effector and memory cell expansion and persistence and a clinically relevant immune response (9-15).”
From Scalable Manufacturing of CAR T Cells for Cancer Immunotherapy (2021) · cites this paper as [12]
The Methods (page not provided) describe this study’s anti-CD19 CAR as containing CD28 and CD3ζ signaling domains, and the Results and discussion report activity in one treated patient. The paper does not establish that all approved CAR T-cell products use CD28 or CD137, or that these signals are essential for effector and memory-cell expansion and persistence. (LLM, conf=0.86)
Experimental — accuracy not yet measuredMost CAR T cell trials to date have used autologous peripheral blood and apheresis as the main cell sources for manufacturing.
“First, most CAR T cell trials to date have used autologous peripheral blood and apheresis as the main cell sources for manufacturing (9-18,21,22).”
From Scalable Manufacturing of CAR T Cells for Cancer Immunotherapy (2021) · cites this paper as [12]
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- Authors
- Kochenderfer, J. N., Wilson, W. H., Janik, J. E., Dudley, M. E., Stetler-Stevenson, M., Feldman, S. A., Maric, I., Raffeld, M., Nathan, D.-A. N., Lanier, B. J., Morgan, R. A., & Rosenberg, S. A.
- Affiliations
- Surgery Branch,
- Metabolism Branch, and
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD; and
- Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD
- National Cancer Institute (US)
- ORCID
- Venue
- Blood
- Publisher
- American Society of Hematology
- Published
- 2010-11-18
- Volume
- 116
- Issue
- 20
- Pages
- 4099-4102
- ISSN
- 0006-4971 (ISSN-L)
- 1528-0020
- PMC
- PMC2993617
- OpenAlex
- W1966542058
- Cited by
- 1,337
- References
- 0
- Citations by year
- 2026: 31 · 2025: 59 · 2024: 67 · 2023: 85 · 2022: 84 · 2021: 95 · 2020: 135 · 2019: 109 · 2018: 122 · 2017: 110 · 2016: 83 · 2015: 84 · 2014: 75 · 2013: 88 · 2012: 56
- FWCI
- 31.18
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Blood (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institutes of Health
- Topics
- Health Sciences › Medicine › Oncology › CAR-T cell therapy research
- Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
- Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
- Keywords
- follicular lymphoma, chimeric antigen receptor T cells, CD19, adoptive T cell therapy, B cell precursors, bone marrow, serum immunoglobulins, B-cell malignancies
- MeSH terms
- B-Lymphocytes, Genetic Engineering, Humans, Lymphocyte Depletion, Lymphoma, Male, Receptors, Antigen, Remission Induction, T-Lymphocytes, Transduction, Genetic, Transplantation, Autologous, Antigens, CD19, Cell Lineage
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