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Survival outcomes and efficacy of autologous CD19 chimeric antigen receptor-T cell therapy in the patient with diagnosed hematological malignancies: a systematic review and meta-analysis

Authors Drokow EK, Ahmed HAW, Amponsem-Boateng C, Akpabla GS, Song J, Shi M, Sun K

Received 5 February 2019

Accepted for publication 20 March 2019

Published 6 May 2019 Volume 2019:15 Pages 637—646

DOI https://doi.org/10.2147/TCRM.S203822

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Ms Justinn Cochran

Peer reviewer comments 2

Editor who approved publication: Professor Deyun Wang


Emmanuel Kwateng Drokow,1 Hafiz Abdul Waqas Ahmed,1 Cecilia Amponsem-Boateng,2 Gloria Selorm Akpabla,3 Juanjuan Song,1 Mingyue Shi,1 Kai Sun1

1Department of Hematology, Zhengzhou University People‘s Hospital & Henan Provincial People‘s Hospital Henan, Zhengzhou, People’s Republic of China; 2Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, People’s Republic of China; 3Department of Internal Medicine, Tianjin Medical University, Tianjin, People’s Republic of China

Purpose: Chimeric Antigen Receptor T(CAR-T) cell therapy is an immunotherapy approach used in treating cancer which has seen rapid development over the decades. It becomes the preferred treatment choice after patients have failed conventional chemotherapy.
Methods: We conducted a meta-analysis in 320 patients from 14 studies to estimate the survival outcome, response rate and toxicity of autologous CD19 CAR-T cell therapy and predict other factors associated with a better prognosis.
Results: The overall response rate was 71.88% (95% CI: 61.34–80.46%, p<0.01) and CRS toxicity was 60.15% (95% CI: 42.87–75.22%, p<0.01). Patients who received lymphodepletion was associated with a better response rate (77%, 95%CI: 67–83%; p-value =0.001) in comparison to the other patients who did not (66%, 95%CI: 41–83%).
Conclusion: Lymphodepletion regimen may play a crucial role in predicting the prognosis of patients with hematological malignancies. Lymphodepletion patients had better progression-free survival than those who did not.

Keywords: autologous, CD19, CAR-T, hematological malignancies, response rate

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