2024
Abstract 1497: Humanized mouse model unveils niche conditioning in gastric cancer peritoneal metastasis
Zhao J, Chia D, Her Z, Ma H, Ong X, Tay S, So J, Chen Q, Tan P, Sundar R. Abstract 1497: Humanized mouse model unveils niche conditioning in gastric cancer peritoneal metastasis. Cancer Research 2024, 84: 1497-1497. DOI: 10.1158/1538-7445.am2024-1497.Peer-Reviewed Original ResearchHumanized mouse modelPeritoneal metastasisGastric cancer peritoneal metastasisPrimary tumorAdjacent peritoneumMouse modelTranscoelomic metastasisHost immune systemEpithelial mesenchymal transitionOrthotopic modelAmerican Association for Cancer Research annual meetingsGastric cancerNovel humanized mouse modelNSG modelImmune systemExpression of M2 macrophagesFunctional human cellsPeritoneal disseminationT-regsOrthotopic inoculationDendritic cellsNOD-SCIDImmune infiltrationPeritoneal samplesNormal peritoneum
2023
1550P Evaluating the novel combination of pressurized intraperitoneal aerosol chemotherapy-oxaliplatin (PIPAC-OX) as an immunomodulator in combination with systemic nivolumab for gastric cancer peritoneal metastases
Sundar R, Chia D, Ceelen W, Chia C, Kim G, Shabbir A, Willaert W, Ong J, Wong J, Seo C, Tan H, Callebout E, Geboes K, Ng M, Lum J, Leow W, Selvarajan S, Hoorens A, Yong W, So J. 1550P Evaluating the novel combination of pressurized intraperitoneal aerosol chemotherapy-oxaliplatin (PIPAC-OX) as an immunomodulator in combination with systemic nivolumab for gastric cancer peritoneal metastases. Annals Of Oncology 2023, 34: s869. DOI: 10.1016/j.annonc.2023.09.1462.Peer-Reviewed Original Research
2022
Outcomes of a Phase II Study of Intraperitoneal Paclitaxel plus Systemic Capecitabine and Oxaliplatin (XELOX) for Gastric Cancer with Peritoneal Metastases
Chia D, Sundar R, Kim G, Ang J, Lum J, Nga M, Goh G, Seet J, Chee C, Tan H, Ho J, Ngoi N, Lee M, Muthu V, Chan G, Pang A, Ang Y, Choo J, Lim J, Teh J, Lwin A, Soon Y, Shabbir A, So J, Yong W. Outcomes of a Phase II Study of Intraperitoneal Paclitaxel plus Systemic Capecitabine and Oxaliplatin (XELOX) for Gastric Cancer with Peritoneal Metastases. Annals Of Surgical Oncology 2022, 29: 8597-8605. PMID: 36070113, DOI: 10.1245/s10434-022-11998-z.Peer-Reviewed Original ResearchConceptsGastric cancer peritoneal metastasisIP-PTXConversion surgeryIntraperitoneal paclitaxelMedian OSSystemic chemotherapyPeritoneal metastasisSC groupConversion to negative cytologyResultsThe median OSProgression-free survivalPhase II studyMethodsForty-four patientsIntravenous oxaliplatinMedian PFSOral capecitabineSystemic capecitabineExtraperitoneal metastasesNegative cytologyPeritoneal diseaseOverall survivalPerformance statusPrimary endpointSecondary endpointsIP cohortIntegration of Genomic Biology Into Therapeutic Strategies of Gastric Cancer Peritoneal Metastasis
Gwee Y, Chia D, So J, Ceelen W, Yong W, Tan P, Ong C, Sundar R. Integration of Genomic Biology Into Therapeutic Strategies of Gastric Cancer Peritoneal Metastasis. Journal Of Clinical Oncology 2022, 40: 2830. PMID: 35649219, PMCID: PMC9390822, DOI: 10.1200/jco.21.02745.Peer-Reviewed Original ResearchConceptsPeritoneal metastasisSystemic therapyClinical trialsGastric cancerTherapeutic strategiesEmergence of novel therapiesSynchronous peritoneal metastasesKnowledge of cancer biologyTraditional systemic therapiesCurrent standard-of-careSite of metastasisGastric cancer peritoneal metastasisAdvanced gastric cancerSurrounding tumor microenvironmentStandard-of-careInternational clinical guidelinesLocoregional therapeutic strategiesDiagnostic laparoscopyDismal prognosisTumor microenvironmentClinical entityNovel therapiesSurgical techniqueDisease stageMolecular profiling