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Immunotherapy

S145

DIFFERENCES IN GENE SEQUENCING AND THE TUMOR MICROENVIRONMENT LEADING TO DISCORDANCE IN PATHOLOGIC TREATMENT EFFECT FOLLOWING IMMUNE CHECKPOINT INHIBITION (ICI) IN HEAD AND NECK SQUAMOUS CELL CARCINOMA (HNSCC)

Immunotherapy / Systemic Therapy

E. Reilly Scott, BS1; Larry Harshyne, PhD2; Alban Linnenbach, PhD3; Elizaveta Flerova, MD4; Madalina Tuluc, MD4; Stacey Gargano, MD4; Sruti Tekumalla, BS1; Derek Mann, BS3; Joseph Curry, MD3; David Cognetti, MD3; Athanassios Argiris, MD, PhD3; Andrew P South, PhD2; Jennifer M Johnson, MD4; Adam Luginbuhl, MD3

1Sidney Kimmel Medical College, Thomas Jefferson University; 2Department of Dermatology and Cutaneous Biology, Thomas Jefferson University; 3Department of Otolaryngology - Head & Neck Surgery, Thomas Jefferson University; 4Department of Medical Oncology, Thomas Jefferson University


S146

LYMPHOCYTES DERIVED FROM OPSCC-PATIENTS INDICATE AN HPV-DEPENDENT IMMUNE CHECKPOINT RECEPTOR PHENOTYPE DURING IN-VITRO HYPOMETHYLATING TREATMENT.

Immunotherapy / Systemic Therapy

Adrian Fehn; Ayla Grages; Adrian von Witzleben, Dr, med; Cornelia Brunner, Prof, Dr; Thomas K Hoffmann, Prof, Dr; Simon Laban, Prof, Dr

Ulm University Medical Center, Department of Oto-Rhino-Laryngology and Head & Neck Surgery


S147

RANDOMIZED PHASE II MULTICENTER STUDY COMPARING MODIFIED PFE REGIMEN WITH MODIFIED TPEX REGIMEN IN RECURRENT OR METASTATIC SQUAMOUS CELL CARCINOMA OF THE HEAD AND NECK.

Immunotherapy / Systemic Therapy

Motoyuki Suzuki1; Tadashi Sugasawa2; Hiroshi Hoshikawa3; Ayako Nakanome4; Takashi Fujii5; Mototsugu Shimokawa6; Hidenori Inohara1

1Department of Otorhinolaryngology Head and Neck Surgery, Osaka University Graduate School of Medicine; 2International Medical Center Head and Neck Oncology and Otorhinolaryngology, Saitama Medical University; 3Department of Otolaryngology - Head and Neck Surgery, Kagawa University School of Medicine; 4Department of Otolaryngology - Head and Neck Surgery, Tohoku University; 5Department of Head and Neck Surgery, Osaka International Cancer Institute; 6Department of Medical Statistics Yamaguchi University Graduate School of Medicine


S148

ANTIGEN PROCESSING AND PRESENTATION REQUIRES STAT1, NLRC5, AND/OR P53 IN HEAD AND NECK CANCER CELLS

Immunotherapy / Systemic Therapy

Brendan L Kinney1; Sreenivasulu Gunti2; Connor J Parrish1; Vikash Kansal1; Nicole C Schmitt1

1Emory University; 2NIDCD, NIH


S149

IMMUNOTHERAPY FOR ADVANCED CUTANEOUS SQUAMOUS CELL CARCINOMA: A FOCUS ON THE IMMUNOSUPPRESSED POPULATION

Immunotherapy / Systemic Therapy

Shahrukh Ali1; Dan Yaniv, MD1; Frederico O Gleber-Netto, DDS, MSc, PhD1; Uma Ramesh1; Elizabeth Chiang1; Ryan P Goepfert, MD1; Michael K Wong, MD, PhD1; Renata Ferrarotto, MD1; Frank E Mott, MD, FACP1; Amy C Moreno, MD1; David I Rosenthal, MD1; Priyadharsini Nagarajan, MD, PhD, MBBS, FCAP, FASCP1; Samantha Tam, MD2; Michael A Davies, MD, PhD1; Michael R Migden, MD1; Jeffrey N Myers, MD, PhD, FACS1; Neil D Gross, MD, FACS1; Moran Amit, MD, PhD1

1MD Anderson Cancer Center; 2Henry Ford Health System and Henry Ford Cancer Institute


S150

PROGNOSTIC ROLE OF PRE-TREATMENT NEUTROPHIL-TO-LYMPHOCYTE RATIO (NLR) IN AN ASIAN COHORT OF PATIENTS WITH OROPHARYNGEAL SQUAMOUS CELL CARCINOMA

Oropharynx / HPV Related Disease

Isabelle J Jang1; Hanis Binte Abdul Kadir1; Daniel Chew2; Kok Hing Lim1; Jacqueline S Hwang1; Chwee Ming Lim1

1Singapore General Hospital; 2Singapore Health Services


S151

PHASE II STUDY OF POST-OPERATIVE DURVALUMAB AND RADIOTHERAPY FOR INTERMEDIATE RISK HEAD AND NECK SQUAMOUS CELL CARCINOMA

Immunotherapy / Systemic Therapy

Siddharth H Sheth, DO, MPH1; John Kaczmar, MD2; Allison Deal, MS1; Shetal Patel, MD, PhD1; Jeffrey Blumberg, MD1; Trevor Hackman, MD1; Samip Patel, MD1; James Bonner, MD3; Bhisham Chera, MD2; Jared Weiss, MD1

1University of North Carolina; 2Medical University of South Carolina; 3University of Alabama - Birmingham


S152

PRELIMINARY RESULTS OF THE PHASE 1 SURPASS TRIAL OF ADP-A2M4CD8, A NEXT-GENERATION SPEAR T-CELL THERAPY, IN PATIENTS WITH HEAD AND NECK CANCER

Immunotherapy / Systemic Therapy

David S Hong1; Jon Zugazagoitia2; Mateo Bover2; Emiliano Calvo3; George R Blumenschein1; Victor Moreno4; Quan Lin5; Thejo Annareddy5; Francine E Brophy6; Marisa Rosenberg6; Stavros Rafail6; Robert Harris6; Cheryl McAlpine6; Alex Tipping6; Jean-Marc Navenot6; Jose Saro6; Elliot Norry6; Marcus O Butler7

1The University of Texas MD Anderson Cancer Center; 2Oncology Department, Hospital Universitario 12 de Octubre; 3Centro Integral Oncológico ClaraCampal, START Madrid-CIOCC; 4START Madrid-FJD, Fundación Jiménez Díaz Hospital; 5Adaptimmune (at the time of the study); 6Adaptimmune; 7Princess Margaret Cancer Centre


S153

SPATIAL SIGNATURES IN TUMOR MICROENVIRONMENT REVEAL KEY FEATURES OF RESPONSE TO IMMUNOTHERAPY IN PATIENTS WITH HEAD AND NECK SQUAMOUS CELL CARCINOMA

Immunotherapy / Systemic Therapy

Daniel A Ruiz-Torres1; Shun Hirayama1; Joao P Oliveira, PhD2; Sara Cavallaro, PhD2; Evelyn Luciani2; Daniel L Faden, MD1; Shannon L Stott, PhD2

1Massachusetts Eye and Ear; 2Massachusetts General Hospital


S154

PROTEIN TYROSINE KINASE 7 AND NEURAL/GLIAL ANTIGEN 2 EXPRESSION IN HEAD AND NECK SQUAMOUS CELL CARCINOMA PRIMARY TUMORS AND LYMPH NODE METASTASES: POTENTIAL TARGETS FOR ANTIBODY-DRUG CONJUGATE TREATMENT?

Immunotherapy / Systemic Therapy

Jeroen van Schaik, MD, PhD1; Sjoukje Oosting, MD, PhD2; Bert van der Vegt, MD, PhD2; Rudolf Fehrmann, MD, PhD2; Boudewijn Plaat, MD, PhD2

1University Hospital Basel, Basel, Switzerlandand and University Medical Center Groningen, Groningen, The Netherlands; 2University Medical Center Groningen, Groningen, The Netherlands