“These data provide support for administration of commercially available antibodies targeting the truncated EGFR domain on the surface of JCAR017 to reduce/eliminate the CAR T cells in vivo, if necessary.”
✓ VerifiedFDA pharmacology/toxicology review, p. 2Source ↗
Biodistribution & persistence
No biodistribution studies; persistence assessed in xenograft PD study
“No biodistribution studies with JCAR017 were conducted.”
✓ VerifiedFDA pharmacology/toxicology review, p. 38Source ↗
Modality-specific risk
Insertional mutagenesis/oncogenic transformation from lentiviral transduction; no preferential integration found
“The risk of insertional mutagenesis with lentiviral transduction of the T cells, leading to malignant transformation, was studied using unbiased, genome-wide bioinformatics methods.”
✓ VerifiedFDA pharmacology/toxicology review, p. 2Source ↗