Total Body Irradiation Did Not Improve Response of Adoptive Cell Transfer


“Adding total body irradiation to preparative lymphodepletion chemotherapy prior to the adoptive cell transfer of tumor-infiltrating lymphocytes (TILs) had no effect on tumor regression in patients with metastatic melanoma, according to the results of a study published in the Journal of Clinical Oncology.

“However, adoptive cell transfer of TILs did mediate the objective complete response of 24% of patients.

“ ‘The nonmyeloablative chemotherapy regimen thus seemed to provide sufficient lymphodepletion for successful adoptive transfer without the need to add total body irradiation,’ wrote researchers led by Stephanie L. Goff, MD, of the National Cancer Institute.”

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