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Brief Title: Study of E7777 Prior to Kymriah for R/R DLBCL
Official Title: Phase I/II Trial Using E7777 to Enhance Regulatory T-Cell Depletion Prior to Tisagenlecleucel (Kymriah) Therapy for Relapsed/Refractory Diffuse Large B-Cell Lymphoma (DLBCL)
Study ID: NCT04855253
Brief Summary: This is a single institution Phase I study to determine the maximum tolerated dose (MTD) of E7777 when given prior to cyclophosphamide/fludarabine (CY/Flu) lymphodepletion (LD) chemotherapy and Kymriah, a commercial tisagenlecleucel product, for the treatment of relapsed/refractory diffuse large B-cell lymphoma (DLBCL) who are at a higher risk for failure of CAR-T therapy.
Detailed Description: E7777 is a recombinant fusion toxin consisting of full-length human IL-2 fused to the catalytic domains of diphtheria toxin. This trial is designed to augment lymphodepletion prior to CAR-T cells by administration of a targeted immunotoxin against CD25-expressing T-cells. CD25 is expressed at high levels on Tregs but also on activated effector T cells. The use of the CAR-T cell product and associated apheresis and LD chemotherapy is considered standard of care (SOC).
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
University of Minnesota, Masonic Cancer Center, Minneapolis, Minnesota, United States
Name: Veronika Bachanova, MD
Affiliation: Masonic Cancer Center, University of Minnesota
Role: PRINCIPAL_INVESTIGATOR