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 MaterialsMeSH KeywordsGenomicsHumansNeoplasm StagingPeritoneal NeoplasmsPeritoneumStomach NeoplasmsTumor MicroenvironmentConceptsPeritoneal 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
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, 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, 30: 1889-1890. PMID: 36564654, DOI: 10.1245/s10434-022-12877-3.Peer-Reviewed Original ResearchASO Author Reflections: Combination Intra-Peritoneal and Systemic Chemotherapy for Gastric Cancer with Peritoneal Metastases
Chia D, Ang J, Sundar R, Kim G, Shabbir A, So J, Yong W. ASO Author Reflections: Combination Intra-Peritoneal and Systemic Chemotherapy for Gastric Cancer with Peritoneal Metastases. Annals Of Surgical Oncology 2022, 29: 8606-8607. PMID: 36192514, DOI: 10.1245/s10434-022-12102-1.Peer-Reviewed Original ResearchOutcomes 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 cohort
2020
Radiological evaluation of malignant pleural mesothelioma - defining distant metastatic disease
Collins D, Sundar R, Constantinidou A, Dolling D, Yap T, Popat S, O’Brien M, Banerji U, de Bono J, Lopez J, Tunariu N, Minchom A. Radiological evaluation of malignant pleural mesothelioma - defining distant metastatic disease. BMC Cancer 2020, 20: 1210. PMID: 33298007, PMCID: PMC7724793, DOI: 10.1186/s12885-020-07662-y.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBone NeoplasmsBrain NeoplasmsClinical Trials, Phase I as TopicCombined Modality TherapyDiagnostic ImagingFemaleHumansKaplan-Meier EstimateLiver NeoplasmsLung NeoplasmsMaleMesothelioma, MalignantMiddle AgedPeritoneal NeoplasmsPleural NeoplasmsProportional Hazards ModelsRetrospective StudiesConceptsDistant metastasisPeritoneal metastasisMPM patientsTreatment paradigmCohort of MPM patientsFrequency of distant metastasesIncidence of bone metastasesPresence of distant metastasesPattern of metastatic spreadDistant metastatic diseaseDistant metastatic disseminationBackgroundMalignant pleural mesotheliomaPresence of symptomsIncidence of boneMetastatic diseaseMetastatic sitesBone metastasesOverall survivalMetastatic spreadContralateral lungPrognostic implicationsMetastatic disseminationRadiological investigationsRetrospective studyPleural mesotheliomaPIPAC-OX: A Phase I Study of Oxaliplatin-Based Pressurized Intraperitoneal Aerosol Chemotherapy in Patients with Peritoneal Metastases
Kim G, Tan L, Sundar R, Lieske B, Chee C, Ho J, Shabbir A, Babak M, Ang W, Goh B, Yong W, Wang L, So J. PIPAC-OX: A Phase I Study of Oxaliplatin-Based Pressurized Intraperitoneal Aerosol Chemotherapy in Patients with Peritoneal Metastases. Clinical Cancer Research 2020, 27: 1875-1881. PMID: 33148667, DOI: 10.1158/1078-0432.ccr-20-2152.Peer-Reviewed Original ResearchMeSH KeywordsAerosolsAgedFemaleGastrointestinal NeoplasmsHumansLaparoscopyMaleMiddle AgedOxaliplatinPancreatitisPeritoneal NeoplasmsProspective StudiesConceptsPressurized intraperitoneal aerosol chemotherapyPressurized intraperitoneal aerosolized chemotherapy proceduresPeritoneal cancer indexPeritoneal metastasisAerosol chemotherapyMedian peritoneal cancer indexPeritoneal Regression Grading ScoreRecommended phase II doseGrade 2 pancreatitisHighest-dose cohortPhase II doseDose-limiting toxicityFirst-line chemotherapyDose-escalation designTreat peritoneal metastasisPhase I studyImprove drug distributionII doseStable diseaseCancer indexMedian ageCohort expansionGastrointestinal tumorsPharmacokinetic analysisDose levelsSafety, pharmacokinetics and tissue penetration of PIPAC paclitaxel in a swine model
Tan H, Kim G, Charles C, Li R, Jang C, Shabbir A, Chue K, Tai C, Sundar R, Goh B, Bonney G, Looi W, Cheow E, So J, Wang L, Yong W. Safety, pharmacokinetics and tissue penetration of PIPAC paclitaxel in a swine model. European Journal Of Surgical Oncology 2020, 47: 1124-1131. PMID: 32800400, DOI: 10.1016/j.ejso.2020.06.031.Peer-Reviewed Original ResearchConceptsSolvent-based paclitaxelAdverse eventsGrade 2 hypersensitivity reactionSystemic exposure to paclitaxelAbsolute neutrophil countExposure to paclitaxelPhase I studyShort-term safetySignificant adverse eventsTissue drug concentrationsConcentrations of paclitaxelPotential adverse eventsYorkshire x Landrace pigsPeritoneal carcinomatosisPeritoneal biopsiesNeutrophil countPeritoneal surfaceToxicity profileBlood countIV infusionPeritoneal cavityPharmacokinetic analysisClinical trialsHigh dosesPharmacokinetic comparison