Conference Coverage

Outpatient CAR T infusions feasible using liso-cel


Key clinical point: Inpatient stays are shorter and responses are strong and durable with a new CAR T product called liso-cel.

Major finding: High-risk lymphoma patients had more than 6 fewer inpatient days with outpatient CAR T infusion.

Study details: Seamless phase 1 trial initially evaluating 91 patients with relapsed/refractory diffuse large B cell lymphoma.

Disclosures: Juno Therapeutics sponsored the study. Dr. Abramson reported ties with Celgene, Gilead, Seattle Genetics, Novartis, and Genentech.

Source: Abramson J et al. Abstract 5.



– A CD19-directed 4-1BB chimeric antigen receptor (CAR) T cell product showed efficacy and a low rate of cytokine release syndrome and neurotoxicity in patients with aggressive lymphomas and poor prognoses, raising the possibility of outpatient administration and fewer hospitalization days in this high-risk group.

A total of 86 patients who received inpatient infusions of lisocabtagene maraleucel (liso-cel, also known as JCAR017) had a mean 15.6 days of hospitalization, compared with 9.3 days for 8 outpatient recipients, said Jeremy Abramson, MD, speaking at a top abstracts session of the combined annual meetings of the Center for International Blood & Marrow Transplant Research and the American Society for Blood and Marrow Transplantation.

Dr. Jeremy Abramson, director of the lymphoma program at the Massachusetts General Hospital Cancer Center, Boston Kari Oakes/Frontline Medical News
Dr. Jeremy Abramson
“We feel that the timing of these toxicities, as well as the lower overall incidence, favor exploration of this as an outpatient administration product,” he said. “Liso-cel toxicities have been manageable, with almost all of the toxicities being reversible.”

As of October 2017, eight patients had received liso-cel infusion as outpatients with at least 28 days of postinfusion data, Dr. Abramson said.


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