Basic Information

Gene symbol CD19 Synonyms B4, CVID3 Type of gene protein-coding
Description CD19 molecule

GTO ID GTC0550
Trial ID NCT04888442
Disease Acute Lymphoblastic Leukemia
Altered gene CD19
Therapeutic/Target gene Target gene
TherapyCAR-T cell
Treatment pCAR-19B
Generation2nd
PhasePhase1
Recruitment statusUnknown
TitlePhase I Study of pCAR-19B in the Treatment of Adult CD19-positive Relapsed/Refractory B-ALL
Year2021
CountryChina
Company sponsorChongqing Precision Biotech Co., Ltd
Other ID(s)PB02

Clinical Result

Cohort 1
Administration route intravenous infusion
Dosage 0.6E6 cells/kg, 2E6 cells/kg
Pts 9
Age Adult, Older_Adult
Lymph depletion Yes
Outcome 9/9(CR,1 month)
Adverse reactions CAR-T-related adverse events occurred in 9 patients(9/9, 100%), no adverse events leading to patient withdrawal from the study occurred. 8 patients(8/9, 89%) experienced cytokine release syndrome(CRS), including 5(5/9, 56%) grade 1, 3(3/9, 33%) grade 2, and no grade 3 or higher CRS occurred. Two patients(2/9, 22%) experienced immune effector cell-associated neurotoxicity syndrome(ICANS), including 1(1/9, 11%) grade 1, 1(1/9, 11%) grade 2, and no grade 3 or higher ICANS occurred.
References DOI: 10.1182/blood-2022-162134

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