Roman M Shapiro, Michal Sheffer, Matthew A Booker, Michael Y Tolstorukov, Grace C Birch, Moshe Sade-Feldman, Jacy Fang, Shuqiang Li, Wesley Lu, Michela Ansuinelli, Remy Dulery, Mubin Tarannum, Joanna Baginska, Nishant Dwivedi, Ashish Kothari, Livius Penter, Yasmin Z Abdulhamid, Isabel E Kaplan, Dinh Khanhlinh, Ravindra Uppaluri, Robert A Redd, Sarah Nikiforow, John Koreth, Jerome Ritz, Catherine J Wu, Robert J Soiffer, Glenn J Hanna, Rizwan Romee
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Abstract
Background: Cytokine induced memory-like natural killer (CIML NK) cells combined with an IL-15 super-agonist (N-803) are a novel modality to treat relapsed/refractory head and neck cancer.
Methods: We report data from a phase I trial of haploidentical CIML NK cells combined with N-803 with or without ipilimumab (IPI) in relapsed/refractory head and neck cancer patients after a median of 6 prior lines of therapy. The trial adhered to a 3 + 3 dose de-escalation design, with primary endpoint being safety. High-resolution immunophenotypic and transcriptional profiling characterized the NK cells and their interacting partners in vivo.
Results: The primary safety endpoint was established, with dose-limiting toxicity in 1/10 patients. A transient disease control rate correlated with donor NK cell expansion, the latter occurring irrespective of IPI. The combination of CIML NK cells with N-803 and IPI was associated with increased early NK cell proliferation, contraction of Treg: Tcon, rapid recovery of recipient CD8+ T cells, and subsequent accelerated rejection of donor NK cells.
Conclusions: CIML NK cells combined with N-803 and ipilimumab to treat head and neck cancer is safe, and associated with a more proliferative NK cell phenotype. However, the combination leads to reduced HLA mismatched NK cell persistence, resulting in an important limitation affecting NK cell combination therapies in clinical trials. These results inform evaluation of CIML NK therapy for advanced malignancies, with considerations for combination with IPI.
期刊介绍：
The Journal of Hematology & Oncology, an open-access journal, publishes high-quality research covering all aspects of hematology and oncology, including reviews and research highlights on "hot topics" by leading experts.
Given the close relationship and rapid evolution of hematology and oncology, the journal aims to meet the demand for a dedicated platform for publishing discoveries from both fields. It serves as an international platform for sharing laboratory and clinical findings among laboratory scientists, physician scientists, hematologists, and oncologists in an open-access format. With a rapid turnaround time from submission to publication, the journal facilitates real-time sharing of knowledge and new successes.
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