American Association for Cancer Research
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Supplementary Table 3 - 4 from Specific Lymphocyte Subsets Predict Response to Adoptive Cell Therapy Using Expanded Autologous Tumor-Infiltrating Lymphocytes in Metastatic Melanoma Patients

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posted on 2023-03-31, 17:51 authored by Laszlo G. Radvanyi, Chantale Bernatchez, Minying Zhang, Patricia S. Fox, Priscilla Miller, Jessica Chacon, Richard Wu, Gregory Lizee, Sandy Mahoney, Gladys Alvarado, Michelle Glass, Valen E. Johnson, John D. McMannis, Elizabeth Shpall, Victor Prieto, Nicholas Papadopoulos, Kevin Kim, Jade Homsi, Agop Bedikian, Wen-Jen Hwu, Sapna Patel, Merrick I. Ross, Jeffrey E. Lee, Jeffrey E. Gershenwald, Anthony Lucci, Richard Royal, Janice N. Cormier, Michael A. Davies, Rahmatu Mansaray, Orenthial J. Fulbright, Christopher Toth, Renjith Ramachandran, Seth Wardell, Audrey Gonzalez, Patrick Hwu

PDF file - 76k, Table S3. Associations between categorical patient variables and clinical response; Table S4. Associations between continuous variables and clinical response

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ARTICLE ABSTRACT

Purpose: Adoptive cell therapy (ACT) using autologous tumor-infiltrating lymphocytes (TIL) is a promising treatment for metastatic melanoma unresponsive to conventional therapies. We report here on the results of an ongoing phase II clinical trial testing the efficacy of ACT using TIL in patients with metastatic melanoma and the association of specific patient clinical characteristics and the phenotypic attributes of the infused TIL with clinical response.Experimental Design: Altogether, 31 transiently lymphodepleted patients were treated with their expanded TIL, followed by two cycles of high-dose interleukin (IL)-2 therapy. The effects of patient clinical features and the phenotypes of the T cells infused on the clinical response were determined.Results: Overall, 15 of 31 (48.4%) patients had an objective clinical response using immune-related response criteria (irRC) with 2 patients (6.5%) having a complete response. Progression-free survival of more than 12 months was observed for 9 of 15 (60%) of the responding patients. Factors significantly associated with the objective tumor regression included a higher number of TIL infused, a higher proportion of CD8+ T cells in the infusion product, a more differentiated effector phenotype of the CD8+ population, and a higher frequency of CD8+ T cells coexpressing the negative costimulation molecule “B- and T-lymphocyte attenuator” (BTLA). No significant difference in the telomere lengths of TIL between responders and nonresponders was identified.Conclusion: These results indicate that the immunotherapy with expanded autologous TIL is capable of achieving durable clinical responses in patients with metastatic melanoma and that CD8+ T cells in the infused TIL, particularly differentiated effectors cells and cells expressing BTLA, are associated with tumor regression. Clin Cancer Res; 18(24); 6758–70. ©2012 AACR.