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Mol Ther Oncolytics. 2020 Jun 24;18:226-235. doi: 10.1016/j.omto.2020.06.014. eCollection 2020 Sep 25.

PSMA-Directed CAR T Cells Combined with Low-Dose Docetaxel Treatment Induce Tumor Regression in a Prostate Cancer Xenograft Model.

Molecular therapy oncolytics

Jamal Alzubi, Viviane Dettmer-Monaco, Johannes Kuehle, Niko Thorausch, Maximilian Seidl, Sanaz Taromi, Wolfgang Schamel, Robert Zeiser, Hinrich Abken, Toni Cathomen, Philipp Wolf

Affiliations

  1. Institute for Transfusion Medicine and Gene Therapy, Medical Center-University of Freiburg, Freiburg, Germany.
  2. Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Freiburg, Germany.
  3. Center for Molecular Medicine, University of Cologne, Cologne, Germany.
  4. BIOSS Centre for Biological Signaling, University of Freiburg, Freiburg, Germany.
  5. Institute of Clinical Pathology, Medical Center-University of Freiburg, Freiburg, Germany.
  6. Department of Hematology, Oncology and Stem Cell Transplantation, Medical Center-University of Freiburg, Freiburg, Germany.
  7. Faculty of Medical and Life Sciences, University Furtwangen, Campus Schwenningen, Villingen-Schwenningen, Germany.
  8. Faculty of Medicine, University of Freiburg, Freiburg, Germany.
  9. Department for Genetic Immunotherapy, Regensburg Center for Interventional Immunology, University of Regensburg, Regensburg, Germany.
  10. Department of Urology, Medical Center-University of Freiburg, Freiburg, Germany.

PMID: 32728611 PMCID: PMC7372156 DOI: 10.1016/j.omto.2020.06.014

Abstract

While chimeric antigen receptor (CAR) T cell immunotherapy targeting CD19 has shown remarkable success in patients with lymphoid malignancies, the potency of CAR T cells in solid tumors is low so far. To improve the efficacy of CAR T cells targeting prostate carcinoma, we designed a novel CAR that recognizes a new epitope in the prostate-specific membrane antigen (PSMA) and established novel paradigms to apply CAR T cells in a preclinical prostate cancer model.

© 2020 The Author(s).

Keywords: CAR T cells; chemotherapy; combination therapy; docetaxel; focal therapy; prostate cancer; prostate specific membrane antigen

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