Abstracts

Skip to Late-Breaking Abstracts »

Poster Presentation Dates

All odd numbered posters will be presented on Friday, November 8, 2019, while even numbered posters will be presented on Saturday, November 9, 2019.

Posters will be on display from 7 a.m. - 8 p.m., with the presenting authors required to be at their posters during lunch (12:30 - 2 p.m. on Friday, Nov. 8, and 12:35 - 2:05 p.m. on Saturday, Nov. 9) and also during the poster reception (6:30 - 8p.m. on Friday, Nov. 8, and 7 - 8:30 p.m. on Saturday, Nov. 9).


Search word or phrase:

# Title Authors Category Keywords
O16 Avelumab and cetuximab in combination with FOLFOX in patients with previously untreated metastatic colorectal cancer (MCRC) – Final Results of the phase II AVETUX trial (AIO-KRK-0216) Alexander Stein, MD; Mascha Binder; Eray Goekkurt; Sylvie Lorenzen; Jorge Riera-Knorrenschild; Reinhard Depenbusch; Thomas Ettrich; Steffen Doerfel; Salah Al-Batran; Meinolf Karthaus; Uwe Pelzer; Donjete Simnica; Lisa Waberer; Axel Hinke; Carsten Bokemeyer; Susanna Hegewisch-Becker; Joseph Tintelnot, MD; Clinical Trial Completed Checkpoint blockade; Chemotherapy; Clinical trial; Immune monitoring; Solid tumors; Targeted therapy
O17 A Novel Enantio-Specific Cationic Lipid R-DOTAP + HPV16 E6 & E7 Antigens Induces Potent Antigen-Specific CD8+ T Cell Responses In-Vivo in Subjects with CIN and High-Risk Human Papillomavirus Infection Lauren V. Wood, MD; Lance H. Edwards, MD; Daron G. Ferris, MD; Nicole S. Nevadunsky, MD; Sara Isani, MD; Greg Conn, PhD; Frank Bedu-Addo, PhD; Mark Einstein, MD; Clinical Trial Completed Clinical study; Clinical trial; Immune adjuvant; T cell; Vaccine
O18 Neoantigen vaccination targeting shared epidermal growth factor receptor (EGFR) mutations induces clinical and immunological responses in non-small cell lung cancer patients Gregory A. Lizee, PhD; Fenge Li; Ligang Deng; Amjad Talukder; Kyle Jackson; Arjun Katailiha; Sherille Bradley; Heather Sonnemann; Qingwei Zhou; Caixia Chen; Chong Huo; Yulun Chiu; Matthew Stair; Weihong Feng; Aleksander Bagaev; Nikita Kotlov; Viktor Svekolkin; Ravshan Ataullakhanov; Natalia Miheecheva; Felix Frenkel; Yaling Wang; Minying Zhang; Jason Roszik, PhD; Ling Han; Shuo Zhou; Yan Zhang; Zhenglu Wang; Marie-Andree Forget; Chantale Bernatchez; Cassian Yee, MD; Patrick Hwu, MD; Xueming Du; Gregory A. Lizee, PhD; Clinical Trial Completed Clinical study; Clinical trial; Immune monitoring; Neoantigens; Solid tumors; T cell; Targeted therapy; Tumor antigens; Tumor microenvironment; Vaccine
O19 Final results from a phase 2 study using off-the-shelf activated natural killer (aNK) cells in combination with N-803, an IL-15 superagonist, in patients with metastatic Merkel cell carcinoma (MCC) Shailender Bhatia, MD; Candice Church, PhD; Kelly G. Paulson, MD, PhD; Robert H. Pierce, Jr., MD; Paul Nghiem, MD, PhD; John H. Lee, MD; Bridget M. Adcock, BS; Patrick Soon-Shiong, MD; Sunandana Chandra, MD; Clinical Trial Completed Adoptive immunotherapy; Checkpoint blockade; Clinical study; Cytokine; NK/NK T cell; Solid tumors; T cell
O20 A pilot study of engineered adenovirus ONCOS-102 in combination with pembrolizumab in checkpoint inhibitor refractory advanced or unresectable melanoma Alexander N. Shoushtari, MD; Anthony J. Olszanski, MD, RPh; Thomas J. Hornyak, MD; Jedd D. Wolchok, MD, PhD; Sylvia Vetrhus; Karianne Risberg Handeland; Lukasz Kuryk, PhD; Magnus Jaderberg, MD; Clinical Trial Completed Checkpoint blockade; Clinical trial; Immune monitoring; Tumor microenvironment; Tumor stroma
O21 Safety and clinical activity of avelumab (MSB0010718C), an anti-programed death-ligand 1 (PD-L1) antibody, in recurrent thymic epithelial tumors (TETs) Arun Rajan, MD; Haobin Chen; Chen Zhao, MD; Shannon Swift; Andrew L. Mammen; Alessandra Brofferio; Emerson Padiernos; Eva Szabo, MD; Udayan Guha; Raffit Hassan, MD; Seth M. Steinberg; Yo-Ting Tsai; Renee N. Donahue, PhD; Jeffrey Schlom; James L. Gulley, MD, PhD, FACP; Clinical Trial Completed Autoimmunity; Checkpoint blockade; Clinical trial; Immune monitoring; Immune toxicity; Solid tumors
O81 IMpower110: Interim overall survival (OS) analysis of a Phase III study of atezolizumab (atezo) monotherapy vs platinum-based chemotherapy (chemo) as first-line (1L) treatment in PD-L1–selected NSCLC Roy Herbst, MD, PhD, Filippo De Marinis, Giuseppe Giaccone, Niels Reinmuth, Alain Vergnenegre, Carlos Barrios, Masahiro Morise, Enriqueta Font, Zoran Andric, Sarayut Geater0, Mustafa Ozguroglu, Simonetta Mocci, Mark McCleland, Ida Enquist, Kim Komatsubara, Yu Deng, Hiroshi Kuriki, Xiaohui Wen, Jacek Jassem, David Spigel, MD Clinical Trial Completed Antibody; Biomarkers; Checkpoint blockade; Chemotherapy; Clinical study; Clinical trial; Solid tumors
P324 Pan-tumor analysis of the association of cancer and immune biology-related gene expression signatures with response to pembrolizumab monotherapy Razvan Cristescu, PhD; Michael Nebozhyn, PhD; Chunsheng Zhang, PhD; Andrew Albright, PhD; Julie Kobie, PhD; Lingkang Huang; Qing Zhao, MD PhD; Anran Wang; Hua Ma; Andrea Webber; Petar Jelinic; Mohini Rajasagi; Sandra C. Souza; Raluca Predoiu; Z. Alexander Cao; Junshui Ma; Michael Morrissey; Clemens Krepler, MD; Stephen Keefe; Jonathan Cheng, MD; Vassiliki Karantza; Sukrut Shah; Rodolfo Perini, MD; Antoni Ribas, MD, PhD; Petros Grivas, MD, PhD; David Cescon; Terrill K. McClanahan, PhD; Alexandra Snyder, MD; Mark Ayers, PhD; Jared Lunceford, PhD; Andrey Loboda, PhD; Clinical Trial Completed Angiogenesis; Biomarkers; Checkpoint blockade; Clinical study; Gene expression; Immune suppression; Solid tumors; Tumor microenvironment; Tumor stroma
P325 Tumor Infiltrating Lymphocytes (TILs) in triple-negative breast cancer: High Immunoscore is associated with pathological CR in patients receiving neoadjuvant chemotherapy. Bernardo L. Rapoport, MD; Simon Nayler; Jerome Galon, Dr; T Mlecnik; Teresa Smit; Jacqui Barnard-Tidy; Aurelie Fugon; Marine Martel; Ronald Anderson, Professor; Carol Benn; Clinical Trial Completed Chemotherapy; Clinical study; Immunoscore; T cell; Tumor infiltrating lymphocytes (TILs)
P326 A Retrospective Analysis of DNA Plasmid and Peptide-Based Vaccine Therapy in Treatment of HER-2/neu+ Breast Cancer Aaron W. Stewart, BS; William R. Gwin, MD; Mary L. Disis, MD, FACP; Jennifer S. Childs; James Y. Dai; Doreen M. Higgins, RN, BSN, OCN; Angela Kask; Clinical Trial Completed Clinical trial; Targeted therapy; Tumor antigens; Vaccine
P327 Evaluation of PD-L1 and cutoff selection to define a predictive biomarker for pembrolizumab monotherapy in esophageal cancer using KEYNOTE-180 Mary Savage; Serafino Pantano; Qi Liu; Jared Lunceford, PhD; Peter Kang; Pooja Bhagia, MBBS, MD; Kenneth Emancipator, MD; Clinical Trial Completed Biomarkers; Checkpoint blockade; Solid tumors
P328 A phase IIB study of Pembrolizumab plus BL-8040 in metastatic pancreatic cancer: Clinical outcomes and biological correlates. David R. Fogelman, MD; Michael Overman, MD; Robert Wolff; Milind Javle, MD; Shubham Pant, MBBS; Gauri Varadhachary; Rachna T. Shroff; Ignacio Wistuba, MD; Carmelia M. Barreto, PhD; Renganayaki K. Pandurengan, MS; Sandesh Subramanya, PhD; Debora A. Ledesma, PhD; Abi Vainstein-Haras, MD; Ella Sorani, PhD; Tzipora M. Lustig; Osnat Kashtan; Yosi Gozlan; Steven M. Townson, PhD; Jeanne M. Fahey, PhD; James Yao, MD; Clinical Trial Completed Antibody; Checkpoint blockade; Chemokine; Clinical trial; Solid tumors; T cell; Tumor infiltrating lymphocytes (TILs); Tumor microenvironment; Tumor stroma
P329 PolyPEPI1018 off-the shelf vaccine as add-on to maintenance therapy achieved durable treatment responses in patients with microsatellite-stable metastatic colorectal cancer patients (MSS mCRC) Joleen M. Hubbard, MD; Chiara Cremolini, MD; Rondell Graham, MD; Roberto Moretto, MD; Jessica Mitchell, CNP; Jaclynn Wessling; Eniko Toke; Zsolt Csiszovszki, PhD; Orsolya Lorincz; Levente Molnár; Eszter Somogyi; Mónika Megyesi; Kata Pántya; József Tóth; Péter Páles; István Miklós; Alfredo Falcone, MD; Joleen M. Hubbard, MD Clinical Trial Completed Clinical trial; Solid tumors; Vaccine
P330 Results from the completed dose-escalation of the alloSHRINK phase I study evaluating the allogeneic NKG2D-based CAR T-cell therapy CYAD-101 in metastatic colorectal cancer patients Hans Prenen, MD; Marika Rasschaert, MD; Alain Hendlisz, MD; Leila Shaza, MD; Erik Alcantar-Orozco, MD, PhD; Emilie Cerf, PhD; Florence Renard; Caroline Lonez, PhD; Anne Flament; Jeroen Dekervel, MD; Eric Van Cutsem, MD, PhD; Clinical Trial Completed Adoptive immunotherapy; CAR T cells; Chemotherapy; Clinical study; Solid tumors
P331 Results from the completed dose-escalation phase I SHRINK study evaluating the autologous NKG2D-based CAR T-cell therapy CYAD-01 in metastatic colorectal cancer patients Leila Shaza, MD; Alain Hendlisz, MD; Ahmad Awada, MD, PhD; Jean-Luc Canon, MD; Javier Carrasco; Eric Van Cutsem, MD, PhD; Jeroen Dekervel, MD; Erik Alcantar-Orozco, MD, PhD; Florence Renard; Emilie Cerf, PhD; Caroline Lonez, PhD; Anne Flament; Marc Van den Eynde, MD; Jean-Pascal Machiels, MD, PhD; Clinical Trial Completed Adoptive immunotherapy; CAR T cells; Chemotherapy; Clinical study; Solid tumors
P332 Cancer vaccine against prostate cancer antigen TARP induces antigen-specific CD8+ T cells with upregulation of activation marker PD1 in patients with decreased PSA velocity in D0 prostate cancer. Hoyoung M. Maeng, MD; Brittni Moore; Lauren V. Wood, MD; Seth Steinberg; Katherine McKinnon, MS; Masaki Terabe, PhD; Purevdorj Olkhanud; Ira H. Pastan, MD; Jay A. Berzofsky, MD, PhD; Clinical Trial Completed Biomarkers; Checkpoint blockade; Clinical study; Clinical trial; Solid tumors; T cell; Targeted therapy; Tumor antigens; Vaccine
P333 Timed anti-tumor vaccination during chemotherapy induces strong T-cell immunity and prolonged survival of late stage cervical cancer patients. Marij J. Schoenmaekers-Welters, PhD; Marij JP. Welters, PhD; Cornelis J. Melief, MD, PhD; Ignace Vergrote; Judith Kroep, MD, PhD; Gemma G. Kenter, MD,PhD; Nelleke Ottevanger; Wiebren AA. Tjalma; Hannelore Denys; Mariette van Poelgeest, MD, PhD; Hans Nijman; Anna KL. Reyners; Thierry Velu; Frederic Goffin; Roy I. Lalisang; Nikki M. Loof; Sanne Boekestijn; Willem Jan Krebber; Leon Hooftman; Sonja Visscher; Brent A. Blumenstein, PhD; Richard B. Stead; Winald R. Gerritsen; Sjoerd H. van der Burg, PhD; Clinical Trial Completed Biomarkers; Clinical study; Clinical trial; Cytokine; Immune monitoring; Solid tumors; T cell; Targeted therapy; Tumor antigens; Vaccine
P334 Concurrent cetuximab (CTX) and nivolumab (NIVO) in patients with recurrent and/or metastatic (R/M) head and neck squamous cell carcinoma (HNSCC): Safety results of a phase I/II study Christine H. Chung, MD; Marcelo Bonomi, MD; Conor Steuer, MD; Michael Schell; Jiannong Li; Matthew Johnson; Caitlin McMullen; J. Trad Wadsworth; Krupal Patel; Julie A. Kish, MD; Jameel Muzaffar, MD; Kedar Kirtane; James Rocco; Nabil F. Saba, MD; Clinical Trial Completed Checkpoint blockade; Clinical trial; Targeted therapy
P335 The tumor immune microenvironment and its association with pCR in NRG Oncology/NSABP B-52: Quantification of PD-1, PD-L1, CD8, FOXP3, and CD68 by multiplex fluorescent-immunohistochemistry Marion E. Joy, PhD; Ying Wang; Rim S. Kim; Nan Song; Ashok Srinivasan; Huichen Feng; Corey Lipchik; Reena S. Cecchini; Samuel A. Jacobs; Joseph P. Costantino; Sandra M. Swain; Eleftherios P. Mamounas; Priya Rastogi; Soonmyung Paik; C. Kent Osborne; Norman Wolmark; Peter C. Lucas; Mothaffar F. Rimawi; Katherine L. Pogue-Geile; Clinical Trial Completed Bioinformatics; Checkpoint blockade; Clinical study; Clinical trial; Monocyte/Macrophage; T cell; Tumor microenvironment
P336 Impact of cytokine release syndrome on cardiac function following CD19 CAR-T cell therapy in children and young adults with acute lymphoblastic leukemia Amita Kulshrestha; Haneen Shalabi, Do; Vandana Sachdev; Douglas R. Rosing; Stanislav Sidenko; Crystal L. Mackall, MD; Brandon Wiley; Daniel W. Lee; Nirali N. Shah; Clinical Trial Completed Adoptive immunotherapy; CAR T cells; Immune monitoring; Pediatric tumors; T cell
P337 Survival prolongation by dendritic cell vaccination in combination with OK-432, gemcitabine and/or S-1 in patients with advanced pancreatic cancer Masahiro Ogasawara, MD, PhD; Shuichi Ota, MD PhD; Clinical Trial Completed Clinical trial; Dendritic cell; Tumor antigens; Vaccine
P338 2-year follow-up from JAVELIN Lung 200, an open-label, randomized, phase 3 study of avelumab vs docetaxel in patients with platinum-treated advanced non-small cell lung cancer (NSCLC) Fabrice Barlesi, MD, PhD; Mustafa Özgüroglu; Johan Vansteenkiste; David Spigel; James Yang; Hidenobu Ishii; Marina Garassino; Filippo de Marinis; Aleksandra Szczesna; Andreas Polychronis; Ruchan Uslu; Maciej Krzakowski; Jong-Seok Lee; Luana Calabro, MD; Osvaldo Aren Frontera; Barbara Ellers-Lenz; Marcis Bajars; Mary Ruisi; Keunchil Park; Clinical Trial Completed Checkpoint blockade; Clinical trial; Solid tumors; Targeted therapy
P339 Survival is improved by antigen-specific cytotoxic T lymphocytes (CTL) responses after treatment with the vaccine Tedopi in HLA-A2 positive advanced non-small cell lung cancer (NSCLC) patients Benjamin Besse, MD PhD; Enriqueta Felip, MD PhD; Giuseppe Giaccone; Rafal Dziadziuszko; Elisabeth Quoix, MD; Werner Hilgers; Federico Cappuzzo; Christophe Borg; Jordi Remon; Nicolas Poirier; Dominique Costantini; Bérangère Vasseur; Santiago Viteri; Clinical Trial Completed Antigen presenting cells; Biomarkers; Clinical study; Clinical trial; Immune monitoring; Neoantigens; Solid tumors; T cell; Tumor antigens; Vaccine
P340 Region-focused Deep Survival Learning on PD-L1 stained Tissue Samples for Data-driven Stratification of Durvalumab-treated NSCLC Patients Nicolas Brieu, PhD; Ansh Kapil; Armin Meier, PhD; Keith E. Steele, DVM, PhD; Marlon C. Rebelatto, DVM, PhD, DACVP; Guenter Schmidt, PhD; Clinical Trial Completed Bioinformatics; Biomarkers; Checkpoint blockade; Immune contexture
P341 Activation of toll-like receptors via PS-targeting monoclonal antibodies Rolf A. Brekken, PhD; Clinical Trial Completed Angiogenesis; Antibody; Checkpoint blockade; Clinical study; Immune adjuvant; Immune suppression; MDSC; Tumor infiltrating lymphocytes (TILs); TLR; Tumor microenvironment
P342 Long term outcomes of a Phase I Study with UV1, a Second Generation Telomerase Based Vaccine, in Patients with advanced Non-Small Cell Lung Cancer Wenche Rasch, PhD; Paal F. Brunsvig, MD PhD; Martha Nyakas, MD; Clau Reisse, MD; Jon Amund Kyte; Hedvig Vidarsdotter Juul; Steinar Aamdal; Gustav Gaudernack, PhD; Else Marit Inderberg; Clinical Trial Completed Clinical study; Immune monitoring; Solid tumors; Tumor antigens; Vaccine
P343 Initial results from a Phase II study (TACTI-002) in non-small cell lung cancer, or head and neck cancer patients receiving eftilagimod alpha (LAG-3 fusion protein) and pembrolizumab Julio Peguero, MD; Enriqueta Felip, MD PhD; Bernard Doger; Margarita Majem; Enric Carcereny; Tim Clay; Pawan Bajaj; Matthew G. Krebs, MD PhD; Frederic Triebel, MD, PhD; Clinical Trial Completed Checkpoint blockade; Clinical study; Clinical trial; Costimulation; Dendritic cell; Monocyte/Macrophage
P344 A randomized multi-center phase 2 study of combined PD-L1/CTLA-4 inhibition with or without radiation in non-small cell lung cancer patients who progressed on PD-(L)1 directed therapy: ETCTN 10021 Arta M. Monjazeb, MD, PhD; Anita Giobbie-Hurder, MS; Ana Lako; Mark Awad, MD PhD; Ryan D. Gentzler, MD; Carrie Lee; Joleen Hubbard; James L. Abbruzzese, MD; Salma K. Jabbour, MD; Nataliya Uboha; Kevin Stephans; Jennifer Johnson, MD; Haeseong Park; Liza C. Villaruz, MD; Katrina Kao; Elad Sharon, MD, MPH; David Raben, MD; Raymond Mak; Howard Streicher, MD; Helen Chen, MD; Mansoor M. Ahmed, PhD; Scott J. Rodig, MD, PhD; F. Stephen Hodi, Jr., MD; Jonathan Schoenfeld, MD, MPH; Clinical Trial Completed Checkpoint blockade; Clinical study; Clinical trial; Radiotherapy
P345 PARP inhibition when combined with PD-L1 inhibition has a suppressive effect on T cells in patients with relapsed or recurrent small cell lung cancer Nobuyuki Takahashi, MD, PhD; Vinodh N. Rajapakse; Min-Jung Lee; Akira Yuno; Sunmin Lee; Sehyun Kim; Rasa Vilimas; Samantha Nichols; Jane B. Trepel; Anish Thomas; Clinical Trial Completed Checkpoint blockade; Clinical study; Clinical trial; Immune monitoring; Immune suppression; Regulatory T cell (Treg cell); Solid tumors; T cell
P346 Comparison of TMEs from melanoma and NSCLC patients refractory or resistant to anti–PD-(L)1 therapies George Locke; Cherie Taglienti, PhD; Laureen S. Ojalvo; Christoph Helwig, MSc; Alex Rolfe; Olaf Christensen; Isabelle Dussault, PhD; Isabelle Dussault, PhD; Clinical Trial Completed Antibody; Biomarkers; Checkpoint blockade; Gene expression; Immune contexture; Immune suppression; T cell; Tumor antigens; Tumor microenvironment
P347 Immunomodulation in tumor and peripheral blood following Toca 511 & Toca FC treatment in patients with solid tumors Gerald S. Falchook, MD; Jordi Rodon; Shree Venkat; Arthur Donahue; Peder Horner; Amber Thomassen; William Accomando; Maria Rodriquez-Aguirre; Cornelia Bentley; Daniel Hogan; Derek Ostertag; Sharon Yavrom; Thian Khoeh; Douglas Jolly, PhD; Harry Gruber, MD; Jolene S. Shorr; Jaime Merchan; Clinical Trial Completed B cell; Clinical trial; Immune monitoring; Immune suppression; Solid tumors; T cell; Tumor infiltrating lymphocytes (TILs); Tumor microenvironment
P348 A Phase 1 Dose Escalation Study to Evaluate the Safety and Tolerability of Evofosfamide in Combination with Ipilimumab in Advanced Solid Malignancies Aparna Hegde, MD; Priyamvada Jayaprakash, PhD; Elizabeth Sumner; Di Nguyen; Hira Zain; Sarina A. Piha-Paul, MD; Daniel Karp; Jordi Rodon; Shubham Pant, MBBS; Siqing Fu, MD, PhD; Ecaterina I. Dumbrava, MD; Timothy A. Yap, MD PhD; Vivek Subbiah, MD; Priya Bhosale, MD; Jack P. Higgins, PhD; Eric T. Williams; Thomas F. Wilson; Funda Meric-Bernstam, MD; Michael A. Curran, PhD; David S. Hong, MD; Clinical Trial Completed Checkpoint blockade; Chemotherapy; Clinical study; Clinical trial; MDSC; Solid tumors; T cell; Tumor microenvironment; Tumor stroma
P349 Effects of bintrafusp alfa (M7824) and radiation combination therapy on antitumor activity, immune response, and radiation-induced fibrosis in multiple cancer models Yan Lan, MD; Chunxiao Xu, PhD; Huakui Yu; Guozhong Qin; Bo Marelli; Jin Qi; Rachel E. Fontana; Amit Deshpande; George Locke; Alex Rolfe; Molly H. Jenkins; Joern-Peter Halle; Kin-Ming Lo; Clinical Trial Completed Antibody; Checkpoint blockade; Gene expression; Radiotherapy; Solid tumors; T cell; Tumor infiltrating lymphocytes (TILs); Tumor microenvironment; Tumor stroma
P350 Clinical Signal/Profile in a Phase I Study of T-Cell Receptor (TCR) Affinity-Enhanced Specific T-Cells (TAEST) in Advanced Cancer Patients Zhaosheng Han, MD, PhD; Xing Zhang, MD; Jian Zhang; Chengzhi Zhou; Haiping Gong; Desheng Weng, MD; Jianchuan Xia, PhD MD; Johnson YN. Lau; Shiyue Li; Weiliang Zhu; Zhaosheng Han, MD, PhD; Clinical Trial Completed Adoptive immunotherapy; Clinical study; Clinical trial; T cell; Tumor antigens
P351 Association between response assessment using RECIST and irRECIST in 1765 patients with advanced solid tumors treated with avelumab monotherapy Juliane Manitz, PhD; Julian Manitz; Peter Eggleton; Marcis Bajars; Oliver Bohnsack, MD, PhD, MBA; James L. Gulley, MD, PhD, FACP; Clinical Trial Completed Biomarkers; Checkpoint blockade; Clinical study; Clinical trial; Solid tumors
P352 Workflow for Immune Monitoring during Clinical Trials by using unsupervised high dimensional augmented intelligence assisted analysis Alessandra Metelli, PhD; Carsten Krieg, PhD; Luis E. Cardenas, BS.; Alessandra Metelli, PhD; Clinical Trial Completed Checkpoint blockade; Clinical study
P353 Phase 1 pilot study of RRx-001 + nivolumab in advanced metastatic cancer (PRIMETIME) Corey A. Carter, MD; Bryan Oronsky, MD PhD; Mary Quinn; Jane Trepel; Nacer Abrouk, PhD; Jeff Skinner, MD; Clinical Trial Completed Checkpoint blockade; Clinical trial; Coinhibition; Costimulation; Immune adjuvant; Immune suppression; Immune toxicity; Monocyte/Macrophage; Regulatory T cell (Treg cell); T cell
P354 Exploring correlates of clinical and immune response to cancer immunotherapy using FAUST, a novel unbiased cell population discovery method, in whole blood flow cytometry Steven P. Fling, PhD; Nirasha Ramchurren, PhD; Leonard D'Amico; Martin A. Cheever, MD; Evan Greene; Greg Finak; Raphael Gottardo, PhD; Clinical Trial Completed Biomarkers; Clinical study; Immune monitoring; Myeloid cells; T cell; Tumor antigens; Vaccine
P355 Multicenter, open-label, phase 1 study of DSP-7888 Dosing Emulsion (DSP-7888) in patients with advanced malignancies Alexander I. Spira, MD, PhD, FACP; Morris D. Groves; Aaron Hansen; Wael A. Harb; Kelly K. Curtis, MD; Erina Koga-Yamakawa; Makoto Origuchi; Zhonggai Li; Jose Iglesias; Walid L. Shaib, MD; Alexander I. Spira, MD, PhD, FACP; Clinical Trial Completed Clinical study; Clinical trial; Leukemia/Lymphoma; Solid tumors
P357 Phase I/II clinical and immune responses for locally advanced or metastatic pancreatic cancer using anti-CD3 x anti-EGFR bispecific antibody armed T cells (BATs) Lawrence G. Lum, MD, DSc; Tri Le; Minsig Choi; Archana Thakur, PhD; Matthew Reilly; Paul R. Kunk, MD; Abhinav Deol, MD; Karen Ballen, MD; Tamila Kindwall-Keller, DO; Dana L. Schalk; Ewa Kubicka; Manley Huang, PhD; Philip A. Philip, MD; Hussein Aoun; Gregory Dyson, PhD; Qin Liu; Anthony F. Shields, MD PhD; Clinical Trial Completed Adoptive immunotherapy; Antibody; Chemotherapy; Clinical study; Clinical trial; Immune monitoring; Solid tumors; Targeted therapy; Tumor antigens; Tumor microenvironment
P358 Phase 1 trial of NY-ESO-1-specific adoptive T-cell therapy with GSK3377794 in patients with advanced synovial sarcoma Sandra P. D'Angelo, MD; George Demetri; Brian Van Tine, MD, PhD; Mihaela Druta; John Glod, MD; Warren Chow; Jenna Tress; M. Phillip DeYoung; Aisha N. Hasan, MBBS MD; Yuehui Wu; David C. Turner; Ran Ji; Alexandra Gyurdieva; Dejka Araujo, MD; Clinical Trial Completed Adoptive immunotherapy; CAR T cells; Clinical trial; Gene expression; T cell
P359 Tracking and profiling of NY-ESO-1 TCR-transgenic T cells upon adoptive transfer in patients with NY-ESO-1-expressing solid tumors: in vivo differentiation associated with response Michael Fehlings; Alessandra Nardin, DVM; Faris Kairi; Evan Newell, PHD; Yoshihiro Mihayara; Shinichi Kageyama; Hiroshi Shiku, MD; Clinical Trial Completed Adoptive immunotherapy; Clinical trial; Immune monitoring; Solid tumors; T cell; Tumor antigens
P360 The Influence of Durvalumab/Tremelimumab Combination Therapy on Sarcomas Immune Microenvironment Profile in a Phase II clinical trial (NCT02815995) Edwin R. Parra, MD., PhD; Carmelia M. Barreto, PhD; Ruth Salazar, MD; Cara Haymaker, PhD; Heather Lin; Carmen Behrens, MD; Mei Jiang; Luisa Solis, MD; Krishna R. Pandurenga, MS; Sandesh Subramanya, PhD; Young U. Kim, PhD; Chantale Bernatchez; Jack Lee, PhD; Taylor Tate; Teresa Simmons; Alexander J. Lazar, MD, PhD; Wei-Lien Wang; Zachary A. Cooper, PhD; Jaime Rodriguez-Canales, MD; Jean C. Soria, MD; Anthony P. Conley, MD; Ignacio Wistuba, MD; Neeta Somaiah, MD, MBBS; Clinical Trial Completed Clinical trial; Immune contexture; Immune tolerance; Immunoscore; Inflammation; Solid tumors; Tumor infiltrating lymphocytes (TILs); Tumor microenvironment
P361 Molecular and Immunologic Profiling of CD8+ T Cell Responses in Patients Receiving a Multiple Antigen-Engineered Dendritic Cell Vaccine Juraj Adamik, PhD; Patricia M. Santos, PhD; Samuel Du, BS; Lazar Vujanovic, PhD; Timothy Howes; Sarah Warren, PhD; Andrea Gambotto, MD; John M. Kirkwood, MD; Lisa H. Butterfield, PhD; Clinical Trial Completed Antigen presenting cells; Checkpoint blockade; Clinical trial; Dendritic cell; Gene expression; Immune adjuvant; Immune monitoring; T cell; Tumor antigens; Vaccine
P362 First-line avelumab treatment in patients with metastatic Merkel cell carcinoma: primary analysis after ≥15 months of follow-up from JAVELIN Merkel 200, a registrational phase 2 trial Sandra P. D'Angelo, MD; Celeste Lebbé; Laurent Mortier; Andrew S. Brohl, MD; Nicola Fazio; Jean-Jacques Grob; Natalie Prinzi; Glenn Hanna; Jessica C. Hassel, MD; Felix Kiecker; Barbara Ellers-Lenz; Marcis Bajars; Meliessa Hennessy, MPH; Paul Nghiem, MD, PhD; Clinical Trial Completed Checkpoint blockade; Clinical trial; Solid tumors
P364 A gp100 targeting TCR-based soluble T cell engaging bispecific induces mobilisation and activation of peripheral T cells in patients with metastatic melanoma Sion M. Lewis, BSc MSc PhD; Mariantonella Vardeu; Jacob Hurst, PhD; Cheryl McAlpine, MSN; Clinical Trial Completed Biomarkers; Chemokine; Clinical study; Immune monitoring; Solid tumors; T cell; T cell lineages
P365 A trial to evaluate the immunogenicity and safety of a melanoma helper peptide vaccine plus incomplete Freund’s adjuvant, cyclophosphamide, and polyICLC (Mel63) Craig L. Slingluff, Jr., MD; Gina R. Petroni, PhD; Kimberly A. Chianese-Bullock, PhD; Nolan A. Wages, PhD; Walter C. Olson, PhD; Kelly T. Smith; Lynn T. Dengel, MD; Anna Dickinson; Caroline Reed; Elizabeth M. Gaughan, MD; William W. Grosh, MD; Varinder Kaur, MD; Nikole Varhegyi; Mark E. Smolkin; Nadejda V. Galeassi; Donna H. Deacon, BS; Clinical Trial Completed Antibody; Clinical trial; Immune adjuvant; Solid tumors; T cell; TLR; Tumor antigens; Vaccine
P366 A phase 1 study of NY-ESO-1 vaccine + ipilimumab (ipi) in patients with unresectable or metastatic melanoma Craig L. Slingluff, Jr., MD; Hassane M. Zarour, MD; Michael Postow, MD; Philip Friedlander, MD PhD; Craig E. Devoe, MD; Ileana S. Mauldin, PhD; Kelly T. Smith; Mary Macri, BSc; Clinical Trial Completed Antibody; Clinical trial; Immune adjuvant; Immune monitoring; Solid tumors; T cell; Tumor infiltrating lymphocytes (TILs); TLR; Tumor antigens; Tumor microenvironment
P367 A multicenter, double-blind, placebo-controlled trial of seviprotimut-L polyvalent melanoma vaccine in post-resection melanoma patients at high risk of recurrence. Craig L. Slingluff, Jr., MD; Brent A. Blumenstein, PhD; Karl D. Lewis, MD; Robert H. Andtbacka, MD, CM, FACS, FRCSC; John Hyngstrom, MD; Mohammed Milhem, MBBS; Svetomir N. Markovic, MD, PhD; Omid Hamid, MD; Leonel Hernandez-Aya, MD PhD; Tawnya Bowles, MD; Prejesh Philips, MD; Joel Claveau, MD; Sekwon Jang, MD; Jose Lutzky, MD, FACP; Anna Bar, MD; Peter Beitsch, MD; Clinical Trial Completed Clinical trial; Solid tumors; Vaccine
P856 AVID200, first-in-class TGF-beta1 and beta3 selective inhibitor: Results of a Phase 1 monotherapy dose escalation study in solid tumors and evidence of target engagement in patients Timothy Yap, MD PhD , Daniel Araujo, Debra Wood, MD, Jean-François Denis, PhD, Tina Gruosso, PhD, Gilles Tremblay, PhD, Maureen O'Connor-McCourt, Ria Ghosh, Sandra Sinclair, Paul Nadler, MD, Lilian Siu, MD, Nehal Lakhani, MD, PhD Clinical Trial Completed Biomarkers; Clinical study; Clinical trial; Solid tumors; Tumor microenvironment; Tumor stroma