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MART-1 TCR gene-modified peripheral blood T cells for the treatment of metastatic melanoma: a phase I/IIa clinical trial

  • M. W. Rohaan
  • , R. Gomez-Eerland
  • , J. H. van den Berg
  • , M. H. Geukes Foppen
  • , M. van Zon
  • , B. Raud
  • , I. Jedema
  • , S. Scheij
  • , R. de Boer
  • , N. A. M. Bakker
  • , D. van den Broek
  • , L. M. Pronk
  • , L. G. Grijpink-Ongering
  • , A. Sari
  • , R. Kessels
  • , M. van den Haak
  • , H. A. Mallo
  • , M. Karger
  • , B. A. van de Wiel
  • , C. L. Zuur
  • C. W. Duinkerken, F. Lalezari, J. V. van Thienen, S. Wilgenhof, C. U. Blank, J. H. Beijnen, B. Nuijen, T. N. Schumacher, J. B. A. G. Haanen*
*Corresponding author for this work
  • Netherlands Cancer Institute
  • Oncode Institute, Utrecht, The Netherlands

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Background: Adoptive cell therapy with peripheral blood T cells expressing transgenic T-cell receptors (TCRs) is an innovative therapeutic approach for solid malignancies. We investigated the safety and feasibility of adoptive transfer of autologous T cells expressing melanoma antigen recognized by T cells 1 (MART-1)-specific TCR, cultured to have less differentiated phenotypes, in patients with metastatic melanoma. Materials and methods: In this phase I/IIa trial, peripheral blood T cells from HLA-A2∗02:01-positive patients with unresectable stage IIIC/IV melanoma expressing MART-1 were selected and stimulated with anti-CD3/CD28 beads, transduced with a modified MART-1(26-35)-specific 1D3 TCR (1D3HMCys) and expanded in interleukin (IL)-7 and IL-15. Patients received a single infusion of transgenic T cells in a dose-escalating manner. Feasibility, safety and objective response rate were assessed. Results: Twelve pretreated metastatic cutaneous (n = 7) and uveal (n = 5) melanoma patients were included. Patient 1 received 4.6 × 109 1D3HMCys T cells and experienced grade 5 toxicity after 9 days. Subsequent patients received 5.0 × 107 [n = 3; cohort (c) 2], 2.5 × 108 (n = 2; c3) and 1.0 × 108 (n = 6; c4) 1D3HMCys T cells. The study was prematurely terminated because of dose-dependent toxicity, concerning skin (10/12), eyes (3/12), ears (4/12) and cytokine release syndrome (5/12), with 7 patients experiencing grade 3-5 toxicity. Partial responses were seen in 2/11 (18%) assessable patients and persistence of 1D3HMCys T cells corresponded to infused cell dose. Conclusions: Production of TCR-modified cells as described leads to highly potent T cells. Partial responses were seen in 18% of patients with dose-dependent ‘on-target, off-tumor’ toxicity and a maximum tolerated dose of 1.0 × 108 cells.
Original languageEnglish
Article number100089
JournalImmuno-Oncology and Technology
Volume15
DOIs
Publication statusPublished - 1 Sept 2022

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • MART-1
  • T-cell receptor gene therapy
  • adoptive cell therapy
  • immunotherapy
  • melanoma
  • uveal

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