AACR21 Preview: Discovery Science Driving Clinical Breakthroughs April 5, 2021December 14, 2022 Arthur N. Brodsky, PhD The world’s largest cancer research conference—the annual meeting of the American Association for Cancer Research (AACR21)—is going virtual for the second straight year, beginning on April 10. The theme of this year’s conference is “Discovery Science Driving Clinical Breakthroughs.” During the first, six-day portion of the meeting, a number of CRI scientists will highlight the latest science in cancer immunology and reveal what might lie in store for the future of immunotherapy. In all, the contributions of more than 40 CRI doctors and researchers will be featured in more than 30 talks and 40 posters, and some will also share their insights as part of a dozen panels. On April 10, in the “Immuno-oncology and Cell Therapy Trials” plenary session, work led by the University of Pennsylvania’s Robert H. Vonderheide, MD, DPhil, a CRI Clinical Accelerator Investigator and a member of the CRI Scientific Advisory Council, will be featured in a talk titled “T cell inflammation in the tumor microenvironment after agonist CD40 antibody: Clinical and translational results of a neoadjuvant clinical trial.” A second immunotherapy-focused plenary session, “Leveraging the Immune System in the War on Cancer,” will take place on April 14—and five CRI scientists will be giving these prestigious talks. First, Anjana Rao, PhD, of the La Jolla Institute for Immunology—a member of the CRI Scientific Advisory Council, a former CRI fellow, and the recipient of CRI’s Frederick W. Alt Award—will be discussing “Transcriptional networks in tumor-infiltrating T cells.” Next, Sergio Quezada, PhD, a former CRI fellow who is now at the University College London Cancer Institute, will be focusing on “Targeting regulatory T cells in cancer: From mechanisms to new therapies.” Following Quezada will be Michel Sadelain, MD, PhD, of Memorial Sloan Kettering Cancer Center (MSKCC). A cell therapy pioneer who is member of the CRI Clinical Accelerator Clinical and Scientific Advisory Committee and the recipient of CRI’s 2012 William B. Coley Award, Sadelain’s talk is titled “On the road to synthetic immunity: novel CAR designs,” a reference to the CAR T cell therapy field he helped create. Ignacio Melero, MD, PhD, a CRI CLIP Investigator at the Foundation for Applied Medical Research in Spain, will chronicle “Twists and turns in translation of CD137 (4-1BB)-based cancer immunotherapy,” before Nina Bhardwaj, MD, PhD, of the Icahn School of Medicine at Mount Sinai, concluding the session. Bhardwaj—a CRI Clinical Accelerator Investigator, a member of the CRI Scientific Advisory Council, and the recipient of CRI’s 2015 Frederick W. Alt Award—will provide a recap of the session and take a look at opportunities for the future. Below are other current CRI scientists whose work will be featured at AACR21, and be sure to check on our blog after the conference for our overall recap of AACR21! Iannis Aifantis, PhD, of New York University, a former CRI fellow who received CRI’s 2014 Frederick W. Alt Award, will be giving a talk and serving as a panelist. Mapping of the acute leukemia immune microenvironment at single-cell resolution AACR-Bayard D. Clarkson Symposium on Stem Cells, Leukemia, and the Niche Ido Amit, PhD, a CRI Technology Impact Award recipient at the Weizmann Institute of Science in Israel, is involved work that will be discussed during two talks. Characterization of molecular and spatial diversity of macrophages in hepatocellular carcinoma Dynamic changes in the compositions of cancer associated-fibroblasts correlate with clinical outcome in breast cancer Valsamo ‘Elsa’ Anagnostou, MD, PhD, a CRI Clinical Accelerator Investigator at Johns Hopkins University who shared her liquid biopsy expertise during our recent webinar, is leading work presented in a talk and three posters. She is also involved in work that will be presented in another talk and poster. Early dynamics in peripheral blood immune cell subsets and ctDNA are predictive of outcome to immunotherapy Immunogenomic mechanisms of response and resistance to combined radiation and immunotherapy in lung cancer Longitudinal dynamics of circulating tumor DNA and plasma proteomics predict clinical outcomes to immunotherapy in non-small cell lung cancer Liquid biopsy approaches for determining pathologic response to neoadjuvant immunotherapy in esophageal cancer Clinicopathological and molecular characteristics, treatment patterns, and outcomes in patients with KRAS p.G12C-mutated metastatic non-small cell lung cancer (NSCLC) in the AACR Project GENIE database An SU2C-Mark Foundation Lung collaborative update: integrative genomics identifies distinct transcriptional states associated with checkpoint blockade resistance Nina Bhardwaj, MD, PhD, will be giving two talks—including a prestigious plenary talk—as well as serving as a panelist. She is also involved in work presented in another talk. Wrap-up and opportunities for the future Personalized cancer vaccines: Antigen selection and translation into the clinic Progress from personalized cancer vaccine trials An adjuvant personalized neoantigen peptide vaccine for the treatment of malignancies (PGV-001) Katie M. Campbell, PhD, a CRI fellow at the University of California, Los Angeles (UCLA), is involved in work presented in a talk and a poster. CMP-001 demonstrates improved response in noninflamed anti-PD-1 refractory melanoma and response is associated with serum CXCL10 The dynamics of T cell clonal repertoire under targeted therapy vs. immunotherapy in melanoma Marcin Piotr Cieslik, PhD, a CRI Technology Impact Award recipient at the University of Michigan, is involved in work presented in a poster. Spatially resolved image-based transcriptomics using high-throughput single-molecule fluorescence in situ hybridization (HITSFISH) George Coukos, MD, PhD, a CRI Clinical Accelerator Investigator at the Université de Lausanne in Switzerland, is giving a talk and serving as a panelist. Mobilizing antitumor immunity Dharma Master Jiantai Symposium in Targeted Therapy: New Combinations of Targeted Therapies and Immunotherapies Douglas T. Fearon, MD, a CRI CLIP Investigator at Weill Cornell Medicine, is giving a talk. NextGen Stars Spotlight Session: Immunology and Targeted Therapy Thomas F. Gajewski, MD, PhD, of the University of Chicago, who is a member of the CRI Scientific Advisory Council, former CRI CLIP Investigator, and the recipient of CRI’s 2017 William B. Coley Award, will be giving a talk and serving as a panelist. Mechanistic aspects of immunotherapy efficacy versus resistance Dharma Master Jiantai Symposium in Biomarkers: Mechanisms and Biomarkers of Response and Resistance to Immune Therapy Sacha Gnjatic, PhD, a CRI Clinical Team Leader at the Icahn School of Medicine at Mount Sinai, is involved in work presented in two posters. Neoadjuvant cemiplimab demonstrates complete pathological responses in hepatocellular carcinoma An adjuvant personalized neoantigen peptide vaccine for the treatment of malignancies (PGV-001) Jhanelle Gray, MD, a CRI Clinical Accelerator Investigator at Moffitt Cancer Center, is involved in work presented in two posters. Qualitative findings from a survey on patient experiences and satisfaction with lung cancer screening Survey results of lung cancer screening patient experiences and satisfaction Philip D. Greenberg, MD, of the Fred Hutchinson Cancer Research Center and University of Washington, who is a member of the CRI Scientific Advisory Council and the recipient of CRI’s 2011 William B. Coley Award, will be discussing a plenary session. Immuno-oncology and Cell Therapy Trials Nir Hacohen, PhD, a member of the CRI Scientific Advisory Council and a CRI-Wade F.B. Thompson CLIP Investigator at the Broad Institute of MIT and Harvard, is involved in work presented in a poster. An SU2C-Mark Foundation Lung collaborative update: integrative genomics identifies distinct transcriptional states associated with checkpoint blockade resistance Rizwan Haq, MD, PhD, a CRI CLIP Investigator at the Dana-Farber Cancer Institute, is involved in work presented in a poster. Stereotypic patterns and genomic correlates of organotropism in metastatic melanoma Ping-Chih Ho, PhD, a CRI Lloyd J. Old STAR at the Ludwig Institute for Cancer Research and the Université de Lausanne in Switzerland, will be giving a talk and serving as a panelist. What Tregs eat makes them strong but vulnerable: Metabolic targeting of intratumoral Tregs for cancer treatment Cancer Immunometabolism Stanley Huang, PhD, a CRI CLIP Investigator at Case Western Reserve University, is involved in work presented in a poster. Secreted fatty acids from head and neck cancer cell lines mediate M2-like macrophage polarization Morgan Huse, PhD, a CRI CLIP Investigator at Memorial Sloan Kettering Cancer Center (MSKCC), is involved in work presented in a poster. Mechanosurveillance by immunity targets mechanical compliance of metastatic cells Carl H. June, MD, of the University of Pennsylvania, who is a CRI Scientific Advisory member, CRI grantee, and the recipient of CRI’s 2012 William B. Coley Award, will be giving a talk and is leading work presented in another talk. Engineered T-cell therapy: Synthetic biology matters! Induction of T cell dysfunction and NK-like T cell differentiation in vitro and in patients after CAR T cell treatment Susan M. Kaech, PhD, a CRI CLIP Investigator at the Salk Institute for Biological Studies, is giving a talk, serving as a panelist, and involved in work presented in a poster. Fattening up antitumor T cells Cancer Immunometabolism A hypoxia-driven transcriptional program characterizes acquired resistance to immune checkpoint inhibitors in lung cancer Christopher A. Klebanoff, MD, a CRI CLIP Investigator at MSKCC, is giving a talk and serving as a panelist. Targeting solid malignancies with ‘public’ neoantigen-specific T cell receptors Towards Engineering of Neoantigen-Specific T-Cell Therapies Lewis L. Lanier, PhD, of the University of California, San Francisco, who is a member of the CRI Scientific Advisory Council and the recipient of CRI’s 2002 William B. Coley Award, is involved in work presented in a talk. Induction of T cell dysfunction and NK-like T cell differentiation in vitro and in patients after CAR T cell treatment Tak W. Mak, PhD, of the University Health Network in Canada, who is a member of the CRI Scientific Advisory Council and a CRI CLIP Investigator, will be giving a talk, serving as a panelist, and is involved in work presented in a poster. Novel Clinical Stage Kinase inhibitors for Cancer Therapy and Immuno-Oncology: CFI-402257 (TTK), CFI-400945 (PLK4) and CFI-402411 (HPK1) Harnessing Novel Small-molecule and Immune-based Therapeutics for Maximum Patient Benefit: Stand Up To Cancer Open Scientific Session Preclinical evaluation of mps1 inhibition in uterine leiomyosarcoma Thomas Urban Marron, MD, PhD, a CRI CLIP Investigator at the Icahn School of Medicine at Mount Sinai, is presenting two posters and is involved in work presented in a talk and two other posters. An adjuvant personalized neoantigen peptide vaccine for the treatment of malignancies (PGV-001) Neoadjuvant cemiplimab demonstrates complete pathological responses in hepatocellular carcinoma Characterization of molecular and spatial diversity of macrophages in hepatocellular carcinoma Early antibiotic exposure delays disease progression following immune checkpoint inhibitor therapy for hepatocellular carcinoma: Evidence from an observational study. Heterogeneity of PD-1hi CD8 T cells associates with response to PD-1 blockade in hepatocellular carcinoma Ludovic Martinet, PhD, a CRI CLIP Investigator at the Institut National de la Santé et de La Recherche Médicale in France, is leading work presented in a poster. Anti-CD38/CD28xCD3 trispecific T cell engager induces proliferation of primary T cells and mediates potent killing of primary malignant plasma cells isolated from Multiple Myeloma bone marrow aspirates Ignacio Melero, MD, PhD, a CRI CLIP Investigator at the Foundation for Applied Medical Research (FIMA) in Spain, is giving a prestigious plenary talk and leading work presented in a poster. Twists and turns in translation of CD137 (4-1BB)-based cancer immunotherapy Anti-tumor efficacy and reduced toxicity using an Anti-CD137 Probody Therapeutic Kunle Odunsi, MD, PhD, of the University of Chicago Comprehensive Cancer Center, who is an associate director of the CRI Scientific Advisory Council, is giving a talk and serving as a panelist. Immunotherapy in the treatment of endometrial cancer: Current state and future opportunities Advances in Endometrial Cancer Sergio Quezada, PhD, a former CRI fellow who is now at the University College London Cancer Institute, will be giving a prestigious plenary talk, and is leading work to be presented in a poster. He is also involved in work that will be presented during a talk and in a poster. Targeting regulatory T cells in cancer: From mechanisms to new therapies Characterization of a novel clonal neoantigen reactive T cell (cNeT) product through a comprehensive translational research program Paralleled convergence of antigen load, disease progression and systemic T cell exhaustion in lung cancer and HIV-1 infection Nivolumab (NIVO) and ipilimumab (IPI) treatment in prostate cancer with an immunogenic signature: cohort 1 of the NEPTUNES multi-centre, two-stage biomarker-selected Phase II trial David A. Reardon, MD, a CRI Clinical Accelerator Investigator at the Dana-Farber Cancer Institute, is involved in work presented in a poster. Isatuximab (Isa) plus atezolizumab (Atezo) in patients (pts) with advanced malignancies: Results from a Phase 1/2 open-label multicenter study Antoni Ribas, MD, PhD, of UCLA, who is the current AACR president, a member of the CRI Clinical Accelerator Leadership, and recipient of CRI’s 2019 William B. Coley Award, will be giving the AACR presidential address, in addition to leading work presented in two posters. Other work by Ribas will be presented during a talk and in three posters. Fighting melanoma with the immune system Whole body imaging of genetically labeled hematopoietic stem cells in human subjects CAR-T cell therapy for melanoma targeting surface expression of TYRP-1 CMP-001 demonstrates improved response in noninflamed anti-PD-1 refractory melanoma and response is associated with serum CXCL10 Phenotypic characteristics of T cells co-expressing SOX2, OCT3/4, and NANOG Melanoma cell lines derived from patient derived xenografts (PDX) can contain murine chromosomes resultant from cell fusions Obesity is associated with lower tumor oxidative phosphorylation (OXPhos) in metastatic melanoma (MM) Alexander Rudensky, PhD, of MSKCC, who is a member of the CRI Scientific Advisory Council, a CRI CLIP Investigator, and the recipient of CRI’s 2015 William B. Coley Award, is involved in work presented in a poster. Decoding the intimate dialogues between stem cells and immune cell for cancer immunotherapy Michel Sadelain, MD, PhD, of MSKCC, who is a member of the CRI Clinical Accelerator Clinical and Scientific Advisory Committee and the recipient of CRI’s 2012 William B. Coley Award, will be giving a prestigious plenary talk and is leading work presented in a poster. On the road to synthetic immunity: novel CAR designs Emergence of a hyper-proliferative phenotype in TET2 edited human CAR T cells Andrea Schietinger, PhD, a CRI Lloyd J. Old STAR at MSKCC, is giving two talks, serving as a panelist, and is involved in work presented in a poster. Decoding and reprogramming T-cell dysfunction in tumors T cell differentiation in tumors: The road to dysfunction T Cells in Cancer Decoding the immune system response to leptomeningeal metastasis Stephen P. Schoenberger, PhD, a CRI CLIP Investigator at the La Jolla Institute for Immunology, will be giving a talk and serving on a panel. Targeting natural ligands for TCR engineering Towards Engineering of Neoantigen-Specific T-Cell Therapies Padmanee Sharma, MD, PhD, a CRI Clinical Accelerator Investigator at the University of Texas MD Anderson Cancer Center and the recipient of the 2018 William B. Coley Award, will be giving a talk and serving as a panelist. From the clinic to the lab: Investigating mechanisms of response and resistance to immune checkpoint therapy in RCC AACR-ASCO Joint Session: Targets in the Treatment of Renal Cell Cancer Manuel Valiente, PhD, a CRI CLIP Investigator at the Fundacion Centro Nacional de Investigaciones Oncológicas Carlos III in Spain, is giving a talk and serving as a panelist. Use of experimental models to uncover novel vulnerabilities Solid Tumor Brain Metastasis Robert H. Vonderheide, MD, DPhil, of the University of Pennsylvania, who is a CRI Clinical Accelerator Investigator and a member of the CRI Scientific Advisory Council, is leading work that will be featured in a plenary talk and is involved in work presented in two posters. T cell inflammation in the tumor microenvironment after agonist CD40 antibody: Clinical and translational results of a neoadjuvant clinical trial Biochemical and functional characterization of mutant KRAS epitopes validates this oncoprotein for immunological targeting How BRCA1/2 mutations in TNBC affect TME and subsequently immune cell functions Qiwei Wang, PhD, a CRI-Bristol Myers Squibb fellow at the Dana-Farber Cancer Institute, is presenting a poster. Overcoming immunosuppression and therapeutic resistance to PARP inhibition in BRCA1-deficient breast cancer with STING agonists E. John Wherry, PhD, of the University of Pennsylvania, who is an associate director of the CRI Scientific Advisory Council and the recipient of CRI’s 2016 Frederick W. Alt Award, will be giving a talk and is involved in work presented in a poster. What do we mean by "T cell exhaustion," and why is it important for tumor immunity? How BRCA1/2 mutations in TNBC affect TME and subsequently immune cell functions David R. Withers, PhD, a CRI CLIP Investigator at the University of Birmingham in the United Kingdom, is involved in work being discussed in a talk. Lyve-1 expressing macrophages direct the expansion of pericytes within the perivascular niche to support angiogenesis in cancer Jedd D. Wolchok, MD, PhD, of MSKCC, who is an associate director of the CRI Scientific Advisory Council and chair of the CRI Clinical Accelerator Clinical and Scientific Advisory Committee, is involved in work presented in two posters. Combination of cyclophosphamide chemotherapy with immune modulation overcomes resistance to checkpoint blockade in a pre-clinical melanoma model An SU2C-Mark Foundation Lung collaborative update: integrative genomics identifies distinct transcriptional states associated with checkpoint blockade resistance Yun Wu, Ph.D., a CRI Technology Impact Award recipient at the State University of New York Buffalo, is involved in work presented in a poster. Blocking p27Kip1 phosphorylation with a liposomal:peptide drug induces Reactive Oxygen Species, necroptosis and tumor regression in breast cancer cells Cassian Yee, MD, of the University of Texas MD Anderson Cancer Center, who is a CRI-Chordoma Foundation CLIP Investigator and a member of the CRI Scientific Advisory Council, is involved in work presented in a poster. The landscape of tumor intrinsic immune regulators revealed by genome-wide CRISPR immune screen integrated with comprehensive clinical data analysis Dmitriy Zamarin, MD, PhD, a CRI Clinical Accelerator Investigator at MSKCC, is giving a talk. Insights into mechanisms of oncolytic virus-induced antitumor immunity XingXing Zang, PhD, a CRI CLIP Investigator at the Albert Einstein College of Medicine, is involved in work presented in a poster. Effects of ITI-214, a potent and selective phosphodiesterase type 1 inhibitor, on tumor myeloid cellular composition, tumor volume and survival in mouse models of colorectal cancer when combined with an anti-PD-1 checkpoint inhibitor Yu Zhu, PhD, a CRI fellow at Stanford University, will be presenting a poster. 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