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 eventsIntegration 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 Educational MaterialsConceptsPeritoneal 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
2024
Abstract 2759: Transcriptional intra-tumoral heterogeneity of putative therapeutic targets in colorectal cancer peritoneal metastases
Zhao J, Ong J, Chia D, Teo M, Tan Q, Ng G, Tan J, Ma H, Ong X, Tay S, Tan P, Sundar R. Abstract 2759: Transcriptional intra-tumoral heterogeneity of putative therapeutic targets in colorectal cancer peritoneal metastases. Cancer Research 2024, 84: 2759-2759. DOI: 10.1158/1538-7445.am2024-2759.Peer-Reviewed Original ResearchColorectal cancer peritoneal metastasesCRC PMPeritoneal metastasisColorectal cancerIntra-tumor heterogeneitySystemic regimensTherapeutic targetAmerican Association for Cancer Research annual meetingsPrognosis of peritoneal metastasisResistant to systemic chemotherapyPlasma-peritoneal barrierOncological surgical resectionColorectal cancer patientsSystemic chemotherapySurgical resectionPalliative surgerySystemic therapyAntineoplastic therapyPotential therapeutic targetExploratory laparotomyTranscoelomic metastasisPoor prognosisFFPE tissue samplesSynchronous PMPoor responseUnveiling the prognostic significance of malignant ascites in advanced gastrointestinal cancers: a marker of peritoneal carcinomatosis burden
Provenzano L, Gwee Y, Conca V, Lonardi S, Bozzarelli S, Tamburini E, Passardi A, Zaniboni A, Tosi F, Aprile G, Nasca V, Boccaccino A, Ambrosini M, Vetere G, Carullo M, Guaglio M, Battaglia L, Zhao J, Chia D, Yong W, Tan P, So J, Kim G, Shabbir A, Ong C, Casella F, Cremolini C, Bencivenga M, Sundar R, Pietrantonio F. Unveiling the prognostic significance of malignant ascites in advanced gastrointestinal cancers: a marker of peritoneal carcinomatosis burden. Therapeutic Advances In Medical Oncology 2024, 16: 17588359241289517. PMID: 39502404, PMCID: PMC11536604, DOI: 10.1177/17588359241289517.Peer-Reviewed Original ResearchMetastatic colorectal cancerMetastatic gastric cancerMetastatic gastric cancer patientsPeritoneal metastasisMalignant ascitesAdvanced gastrointestinal cancerSurvival outcomesMedian peritoneal cancer index scoreGastrointestinal cancerPeritoneal cancer index scoreGastric cancerMetastatic colorectal cancer patientsSubgroup of patientsMedian OSProgression-freeOverall survivalSystemic therapyPrognostic significancePatient survivalAscites groupPoor outcomeRetrospective analysisColorectal cancerRandomized trialsAscites
2022
First-Line Systemic Therapies for Advanced Hepatocellular Carcinoma: A Systematic Review and Patient-Level Network Meta-Analysis
Fong K, Zhao J, Sultana R, Lee J, Lee S, Chan S, Yau T, Tai D, Sundar R, Too C. First-Line Systemic Therapies for Advanced Hepatocellular Carcinoma: A Systematic Review and Patient-Level Network Meta-Analysis. Liver Cancer 2022, 12: 7-18. PMID: 36872922, PMCID: PMC9982345, DOI: 10.1159/000526639.Peer-Reviewed Original ResearchAdvanced hepatocellular carcinomaProgression-free survivalFirst-line systemic therapyBarcelona Clinic Liver CancerNetwork meta-analysisOverall survivalStandard of careAlpha-fetoproteinHazard ratioOS benefitSystemic therapyFirst-lineHepatocellular carcinomaFirst-line combination therapyRandom-effects network meta-analysisCombination of atezolizumabInhibitor monoclonal antibodiesFirst-line therapyCochrane Controlled Register of TrialsMeta-analysisKaplan-Meier curvesIndividual patient-level dataCochrane Controlled RegisterRegister of TrialsExtrahepatic spreadPhase Ib Dose-Finding Study of Varlitinib Combined with Weekly Paclitaxel With or Without Carboplatin ± Trastuzumab in Advanced Solid Tumors
Lee M, Wong A, Ow S, Sundar R, Tan D, Soo R, Chee C, Lim J, Yong W, Lim S, Goh B, Wang L, Lee S. Phase Ib Dose-Finding Study of Varlitinib Combined with Weekly Paclitaxel With or Without Carboplatin ± Trastuzumab in Advanced Solid Tumors. Targeted Oncology 2022, 17: 141-151. PMID: 35195837, PMCID: PMC8995271, DOI: 10.1007/s11523-022-00867-0.Peer-Reviewed Original ResearchConceptsHER2+ metastatic breast cancerDose-limiting toxicityMetastatic breast cancerBreast cancerSubcutaneous trastuzumabSolid tumorsConclusionsThe recommended phase II dosePharmacokinetic analysisRecommended phase II doseHER2+ breast cancerAdvanced solid tumorsPalliative systemic therapyMetastatic solid tumorsResultsThirty-seven patientsArea under the curveWeekly paclitaxelNeoadjuvant therapyStable diseaseFebrile neutropeniaPartial responseSystemic therapyMethodsEligible patientsEfficacy signalsElectrolyte disturbancesBiliary tract
2020
The role of targeted therapy (TKI) in the treatment of advanced hepatocellular carcinoma (aHCC) in the era of immunotherapy: Real-world data using AI analytics from an academic medical center.
Wong R, Wu J, Leen A, Tey G, Asokumaran Y, Chan G, Siddappan C, Jeyasekharan A, Chee C, Yong W, Ngiam K, Sundar R. The role of targeted therapy (TKI) in the treatment of advanced hepatocellular carcinoma (aHCC) in the era of immunotherapy: Real-world data using AI analytics from an academic medical center. Journal Of Clinical Oncology 2020, 38: e16623-e16623. DOI: 10.1200/jco.2020.38.15_suppl.e16623.Peer-Reviewed Original ResearchAdvanced hepatocellular carcinomaEra of immunotherapySequence of therapySystemic therapyOverall survivalHCC patientsClinical outcomesManagement of advanced hepatocellular carcinomaTreated with first-line immunotherapyTreatment of advanced hepatocellular carcinomaFirst-line immunotherapyFirst-line TKIsSecond-line immunotherapySecond-line TKIsLoco-regional therapiesProgression-free survivalSecond-line therapySecond-line treatmentPillar of treatmentChild-Pugh scoreMinority of patientsSecond-lineFirst-lineMedian ageTargeted therapy
2017
Adherence to novel oral anticancer therapies in the phase I setting: The Royal Marsden experience.
Chenard-Poirier M, Ang J, Harris S, Ingles Garces A, Seeramreddi S, Sundar R, Collins D, Ameratunga M, Lopez J, De Bono J, Banerji U. Adherence to novel oral anticancer therapies in the phase I setting: The Royal Marsden experience. Journal Of Clinical Oncology 2017, 35: 2542-2542. DOI: 10.1200/jco.2017.35.15_suppl.2542.Peer-Reviewed Original ResearchPhase I trialOral anticancer therapyI trialInvestigational medicinal productsAdherence ratesAnticancer therapyAssociated with improved adherenceEarly-phase trial designsFasting requirementsRoyal Marsden HospitalAnti-emetic useAssociated with poor adherenceDrug Development UnitAssociations to adherenceIntracranial metastasesGeneral cancer populationSystemic therapyConcomitant medicationsMedian agePost-doseInterpretation of toxicityMedian timeDiary cardsUnivariate analysisAnti-emetics