Journal
JOURNAL OF CLINICAL INVESTIGATION
Volume 130, Issue 12, Pages 6656-6667Publisher
AMER SOC CLINICAL INVESTIGATION INC
DOI: 10.1172/JCI141777
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Funding
- NIH [P01 CA23766]
- NIH/National Cancer Institute Cancer Center Support grant [P30 CA008748]
- Memorial Sloan Kettering [2T32 CA009512]
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BACKGROUND. Understanding outcomes and immunologic characteristics of cellular therapy recipients with SARS-CoV-2 is critical to performing these potentially life-saving therapies in the COVID-19 era. In this study of recipients of allogeneic (Alto) and autologous (Auto) hematopoietic cell transplant and CD19-directed chimeric antigen receptor T cell (CART) therapy at Memorial Sloan Kettering Cancer Center, we aimed to identify clinical variables associated with COVID-19 severity and assess lymphocyte populations. METHODS. We retrospectively investigated patients diagnosed between March 15, 2020, and May 7, 2020. In a subset of patients, lymphocyte immunophenotyping, quantitative real-time PCR from nasopharyngeal swabs, and SARS-CoV-2 antibody status were available. RESULTS. We identified 77 patients with SARS-CoV-2 who were recipients of cellular therapy (Allo, 35; Auto, 37; CAR T, 5; median time from cellular therapy, 782 days; IQR, 354-1611 days). Overall survival at 30 days was 78 degrees/0. Clinical variables significantly associated with the composite endpoint of nonrebreather or higher oxygen requirement and death (n events = 25 of 77) included number of comorbidities (HR 5.41, P = 0.004), infiltrates (HR 3.08, P= 0.032), and neutropenia (HR 1.15, P= 0.04). Worsening graft-versus-host disease was not identified among Allo recipients. Immune profiling revealed reductions and rapid recovery in lymphocyte populations across lymphocyte subsets. Antibody responses were seen in a subset of patients. CONCLUSION. In this series of Allo, Auto, and CART recipients, we report overall favorable clinical outcomes for patients with COVID-19 without active malignancy and provide preliminary insights into the lymphocyte populations that are key for the antiviral response and immune reconstitution.
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