期刊
BLOOD ADVANCES
卷 4, 期 7, 页码 1440-1447出版社
ELSEVIER
DOI: 10.1182/bloodadvances.2019001305
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- Novartis Pharmaceuticals Corporation
Chimeric antigen receptor-T (CAR-T) cell therapy achieves durable responses in patients with relapsed/refractory diffuse large B-cell lymphoma (r/r DLBCL), but may be associated with neurological toxicity (NT). We retrospectively assessed differences and concordance among 3 available grading scales (the National Cancer Institute Common Terminology Criteria for Adverse Events v4.03 [CTCAE], modified CART Related Encephalopathy Syndrome [mCRES], and American Society for Transplantation and Cellular Therapy [ASTCT] scales) applied to the same set of NT data from the JULIET (A Phase 2, Single Arm, Multicenter Trial to Determine the Efficacy and Safety of CTL019 in Adult Patients With Relapsed or Refractory DLBCL) trial. Individual patient-level NT data from the phase 2, single-group, global, pivotal JULIET trial (NCT02445248) were retrospectively and independently graded, using CTCAE, ASTCT, and mCRES, by 4 medical experts with experience managing patients with 3 different CD19-targeted CAR constructs. According to the US Food and Drug Administration definition of NT using CTCAE, 62 of 106 patients infused with tisagenledeucel had NT as of September 2017. Among 111 patients infused with tisagenledeucel (as of December 2017), the 4 experts identified SO patients (45%) who had any-grade NT per CTCAE, 19 (17%) per mCRES, and 19 (17%) per ASTCT. Reevaluation according to the mCRES/ASTCT criteria downgraded 31 events deemed NT by CTCAE to grade 0. This is the first study to retrospectively apply CTCAE, mCRES, and ASTCT criteria to the same patient data set. We conclude that CTCAE v4.03 was not designed for, and is suboptimal for, grading CART cell therapy-associated NT. The CRES and ASTCT scales, which measure immune effector cell-associated neurotoxicity syndrome, offer more accurate assessments of NT after CART cell therapy.
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