Featured Publications
Phase I PIANO trial—PIPAC-oxaliplatin and systemic nivolumab combination for gastric cancer peritoneal metastases: clinical and translational outcomes
Sundar R, Chia D, Zhao J, Lee A, Kim G, Tan H, Pang A, Shabbir A, Willaert W, Ma H, Huang K, Hagihara T, Tan A, Ong C, Wong J, Seo C, Walsh R, Chan G, Cheo S, Soh C, Callebout E, Geboes K, Ng M, Lum J, Leow W, Selvarajan S, Hoorens A, Ang W, Pang H, Tan P, Yong W, Chia C, Ceelen W, So J. Phase I PIANO trial—PIPAC-oxaliplatin and systemic nivolumab combination for gastric cancer peritoneal metastases: clinical and translational outcomes. ESMO Open 2024, 9: 103681. PMID: 39288528, PMCID: PMC11421236, DOI: 10.1016/j.esmoop.2024.103681.Peer-Reviewed Original ResearchConceptsGastric cancer peritoneal metastasisPeritoneal cancer indexNivolumab combinationPeritoneal metastasisPeritoneal tumorsNaive CD8+ T cellsCD8+ central memoryEnhanced T cell infiltrationTreatment-related adverse eventsCD8+ T cellsGrade 4 vomitingRegression grade 1First-in-human trialImmune checkpoint inhibitionMemory CD4+T cell infiltrationImmunogenic cell deathSystemic immunotherapyCheckpoint inhibitionSystemic therapyCancer indexCD4+Intraperitoneal treatmentT cellsAdverse events
2024
State-of-the-Art Advancements in Gastroesophageal Cancer Treatment: Harnessing Biomarkers for Precision Care.
Balmaceda N, Petrillo A, Krishnan M, Zhao J, Kim S, Klute K, Sundar R. State-of-the-Art Advancements in Gastroesophageal Cancer Treatment: Harnessing Biomarkers for Precision Care. American Society Of Clinical Oncology Educational Book 2024, 44: e431060. PMID: 38771996, DOI: 10.1200/edbk_431060.Peer-Reviewed Original ResearchConceptsGastroesophageal cancerIntegration of immune checkpoint inhibitorsChimeric antigen receptor T cellsImmune checkpoint inhibitorsMetastatic gastroesophageal cancerPD-1 inhibitorsAdoptive cell therapyImmunotherapy-based approachesResectable gastroesophageal cancerAntibody-drug conjugatesCheckpoint inhibitorsPD-1Perioperative chemotherapyTargeted therapyT cellsTreatment paradigmFGFR2 inhibitorsCell therapyClinical challengeBispecific antibodiesImprove outcomesCancer treatmentReduced toxicityTherapyInhibitorsAbstract CT160: A phase I trial to evaluate allogeneic NKG2DL-targeting chimeric antigen receptor-grafted γδ T cells in subjects with advanced solid tumors or hematological malignancies (the ANGELICA Trial)
Choo J, Tan W, Luk L, Zeng J, Soh T, Soon S, Lieow J, Wong C, Pang M, Bari S, Poon M, Koh L, Chng W, Jeyasekharan A, Tan L, Chan E, Sundar R. Abstract CT160: A phase I trial to evaluate allogeneic NKG2DL-targeting chimeric antigen receptor-grafted γδ T cells in subjects with advanced solid tumors or hematological malignancies (the ANGELICA Trial). Cancer Research 2024, 84: ct160-ct160. DOI: 10.1158/1538-7445.am2024-ct160.Peer-Reviewed Original ResearchAdoptive cellular therapyPhase I studyHematologic malignanciesSolid tumorsCellular infusionT cellsHealthy donorsAmerican Association for Cancer Research annual meetingsDose levelsRecommended phase 2 doseTreatment of hematological malignanciesPhase 2 dosePoor marrow functionSubcutaneous IL-2Treatment-refractory tumorsDose-limiting toxicityPeripheral blood mononuclear cellsPre-treated patientsT-cell therapyPre-clinical dataBlood mononuclear cellsT cell survivalEnrollment of patientsDiverse tissue originDose escalation
2023
Clinical relevance of PD-1 positive CD8 T-cells in gastric cancer
Choo J, Kua L, Soe M, Asuncion B, Tan B, Teo C, Tay R, So J, Shabbir A, Guowei K, Tan H, Chan G, Ma H, Ramachandran G, Lum J, Chee C, Sridharan S, Tan P, Sundar R, Yong W. Clinical relevance of PD-1 positive CD8 T-cells in gastric cancer. Gastric Cancer 2023, 26: 393-404. PMID: 36781556, PMCID: PMC10115710, DOI: 10.1007/s10120-023-01364-7.Peer-Reviewed Original ResearchConceptsCD8 T cellsPD-1+CD8+ T cellsT cellsTumor microenvironmentPD-1Overall survivalGastric cancerMultiplex immunohistochemistryT cell-inflamed tumor microenvironmentAssociated with improved OSIncreased PD-1 expressionClinical relevanceGranzyme-B expressionInflamed tumor microenvironmentPD-1 expressionInfluence overall survivalNK cell proportionTreated with immunotherapyPhase 2 trialAssociated with chemotherapyCox proportional hazards modelsProportional hazards modelImproved OSImmunotherapy sensitivityNK cells