American Association for Cancer Research
10780432ccr110116-sup-supplementary_data.pdf (13.06 MB)

Supplementary Data from Durable Complete Responses in Heavily Pretreated Patients with Metastatic Melanoma Using T-Cell Transfer Immunotherapy

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journal contribution
posted on 2023-03-31, 16:27 authored by Steven A. Rosenberg, James C. Yang, Richard M. Sherry, Udai S. Kammula, Marybeth S. Hughes, Giao Q. Phan, Deborah E. Citrin, Nicholas P. Restifo, Paul F. Robbins, John R. Wunderlich, Kathleen E. Morton, Carolyn M. Laurencot, Seth M. Steinberg, Donald E. White, Mark E. Dudley

Supplementary Figures S1-S2; Supplementary Tables S1-S2.



Purpose: Most treatments for patients with metastatic melanoma have a low rate of complete regression and thus overall survival in these patients is poor. We investigated the ability of adoptive cell transfer utilizing autologous tumor-infiltrating lymphocytes (TIL) to mediate durable complete regressions in heavily pretreated patients with metastatic melanoma.Experimental Design: Ninety-three patients with measurable metastatic melanoma were treated with the adoptive transfer of autologous TILs administered in conjunction with interleukin-2 following a lymphodepleting preparative regimen on three sequential clinical trials. Ninety-five percent of these patients had progressive disease following a prior systemic treatment. Median potential follow-up was 62 months.Results: Objective response rates by Response Evaluation Criteria in Solid Tumors (RECIST) in the 3 trials using lymphodepleting preparative regimens (chemotherapy alone or with 2 or 12 Gy irradiation) were 49%, 52%, and 72%, respectively. Twenty of the 93 patients (22%) achieved a complete tumor regression, and 19 have ongoing complete regressions beyond 3 years. The actuarial 3- and 5-year survival rates for the entire group were 36% and 29%, respectively, but for the 20 complete responders were 100% and 93%. The likelihood of achieving a complete response was similar regardless of prior therapy. Factors associated with objective response included longer telomeres of the infused cells, the number of CD8+CD27+ cells infused, and the persistence of the infused cells in the circulation at 1 month (all P2 < 0.001).Conclusions: Cell transfer therapy with autologous TILs can mediate durable complete responses in patients with metastatic melanoma and has similar efficacy irrespective of prior treatment. Clin Cancer Res; 17(13); 4550–7. ©2011 AACR.

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