2023
Clinical outcome and prognostic factors for Asian patients in Phase I clinical trials
Loh J, Wu J, Chieng J, Chan A, Yong W, Sundar R, Lee S, Wong A, Lim J, Tan D, Soo R, Goh B, Tai B, Chee C. Clinical outcome and prognostic factors for Asian patients in Phase I clinical trials. British Journal Of Cancer 2023, 128: 1514-1520. PMID: 36797357, PMCID: PMC10070409, DOI: 10.1038/s41416-023-02193-2.Peer-Reviewed Original ResearchConceptsNeutrophil-lymphocyte ratioRoyal Marsden HospitalPhase I studyPhase I clinical trialPoor ECOG statusPre-treated patientsPrimary tumor sitePhase I populationLonger-term survivalECOG statusPrognostic factorsPrognostic scoreRetrospective reviewTumor siteAsian patientsSolid tumorsClinical outcomesPoor prognosisBackgroundPatient selectionPrognostic abilityPrognostic modelPatientsPrognosisIncreased scoresScoresClinical 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
2021
Low‐dose pembrolizumab in the treatment of advanced non‐small cell lung cancer
Low J, Huang Y, Sooi K, Ang Y, Chan Z, Spencer K, Jeyasekharan A, Sundar R, Goh B, Soo R, Yong W. Low‐dose pembrolizumab in the treatment of advanced non‐small cell lung cancer. International Journal Of Cancer 2021, 149: 169-176. PMID: 33634869, PMCID: PMC9545741, DOI: 10.1002/ijc.33534.Peer-Reviewed Original ResearchConceptsAdvanced non-small cell lung cancerNon-small cell lung cancerProgression-free survivalCell lung cancerFood and Drug AdministrationOverall survivalTreatment of advanced non-small cell lung cancerLung cancerDose of pembrolizumabImmune-related toxicitiesEffectiveness of pembrolizumabWeight-based dosingRetrospective observational studyNational University HospitalDegrees of cost savingsCost-minimisation analysisFixed doseSurvival outcomesAsian patientsNo significant differencePembrolizumabOncogenic driversSingle agentLow dosesRandomised trials“3G” Trial: An RNA Editing Signature to Guide Gastric Cancer ChemotherapyRNA Editing Signature in Gastric Cancer
An O, Song Y, Ke X, So J, Sundar R, Yang H, Rha S, Lee M, Tay S, Ong X, Tan A, Ng M, Tantoso E, Chen L, Tan P, Yong W, Consortium S. “3G” Trial: An RNA Editing Signature to Guide Gastric Cancer ChemotherapyRNA Editing Signature in Gastric Cancer. Cancer Research 2021, 81: 2788-2798. PMID: 33558338, DOI: 10.1158/0008-5472.can-20-2872.Peer-Reviewed Original ResearchConceptsAdvanced gastric cancerRNA editingRNA editing signaturesEditing levelsGastric cancerRNA editing eventsHigher editing levelsAdenosine-to-inosineRNA editing analysisGastric cancer cell linesPredictive biomarkersStratify patientsLevels of editingGene expression profilesPredicting response to chemotherapyEditing sitesEditing eventsMolecular subtypes of gastric cancerCancer cell linesPlatinum-based chemotherapyMetastatic gastric cancerSubtypes of gastric cancerCancer Genome AtlasFirst-line therapyResponse to chemotherapy
2020
A randomized phase II trial evaluating the addition of low dose, short course sunitinib to docetaxel in advanced solid tumours
Ang Y, Ho G, Soo R, Sundar R, Tan S, Yong W, Ow S, Lim J, Chong W, Soe P, Tai B, Wang L, Goh B, Lee S. A randomized phase II trial evaluating the addition of low dose, short course sunitinib to docetaxel in advanced solid tumours. BMC Cancer 2020, 20: 1118. PMID: 33203399, PMCID: PMC7672922, DOI: 10.1186/s12885-020-07616-4.Peer-Reviewed Original ResearchConceptsProgression-free-survivalAdvanced solid tumorsBreast cancer patientsSolid tumorsCancer patientsMedian progression-free-survivalRandomized phase II trialMetastatic breast cancer patientsClinical-benefit rateProphylactic G-CSFNon-haematological toxicityPrimary tumor siteAdministration of sunitinibPhase II trialAdvanced solid cancersMedian OSHaematological toxicityDoxorubicin-cyclophosphamideTrial registrationThe studyII trialNeutrophil nadirPrimary endpointSecondary endpointsG-CSFIntermittent administration
2019
DNA epigenetic signature predictive of benefit from neoadjuvant chemotherapy in oesophageal adenocarcinoma: results from the MRC OE02 trial
Sundar R, Ng A, Zouridis H, Padmanabhan N, Sheng T, Zhang S, Lee M, Ooi W, Qamra A, Inam I, Hewitt L, So J, Koh V, Nankivell M, Langley R, Allum W, Cunningham D, Rozen S, Yong W, Grabsch H, Tan P. DNA epigenetic signature predictive of benefit from neoadjuvant chemotherapy in oesophageal adenocarcinoma: results from the MRC OE02 trial. European Journal Of Cancer 2019, 123: 48-57. PMID: 31655359, DOI: 10.1016/j.ejca.2019.09.016.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsCisplatinDNA MethylationEpigenesis, GeneticEsophageal NeoplasmsFemaleFluorouracilHumansMaleMiddle AgedNeoadjuvant TherapyNeoplasm GradingNeoplasm StagingPrognosisProportional Hazards ModelsRandomized Controlled Trials as TopicSurvival RateConceptsCS armNeoadjuvant chemotherapyOverall survivalOesophageal adenocarcinomaDNA methylation signaturesHistological subtypes of oesophageal cancerOesophageal cancerIndependent cohortPredictive of chemotherapy benefitSubtypes of oesophageal cancerIndependent cohort of patientsS armCox proportional hazards analysisResectable oesophageal cancerCohort of patientsPredictive of benefitMethylation signaturesDNA methylationPredictive of survivalProportional hazards analysisChemotherapy benefitHistological subtypesMetagene signatureRandomised patientsDNA methylation status
2018
A study of 1088 consecutive cases of electrolyte abnormalities in oncology phase I trials
Garces A, Ang J, Ameratunga M, Chénard-Poirier M, Dolling D, Diamantis N, Seeramreddi S, Sundar R, de Bono J, Lopez J, Banerji U. A study of 1088 consecutive cases of electrolyte abnormalities in oncology phase I trials. European Journal Of Cancer 2018, 104: 32-38. PMID: 30316017, PMCID: PMC6259582, DOI: 10.1016/j.ejca.2018.08.019.Peer-Reviewed Original ResearchConceptsPhase I clinical trialElectrolyte abnormalitiesBaseline hypoalbuminaemiaOverall survivalClinical significanceDose-limiting toxicity windowPrognostic factors of OSOncology phase I trialsInferior median OSFactors of OSPhase I patientsPhase I trialRetrospective chart reviewSerum albumin levelAssociated with hypomagnesaemiaRoyal Marsden HospitalCox regression analysisPhase I populationDrug Development UnitMedian OSPrognostic factorsPrognostic significanceI patientsI trialAlbumin levelsAtaxia Telangiectasia Mutated Protein Loss and Benefit From Oxaliplatin-based Chemotherapy in Colorectal Cancer
Sundar R, Miranda S, Rodrigues D, Chénard-Poirier M, Dolling D, Clarke M, Figueiredo I, Bertan C, Yuan W, Ferreira A, Chistova R, Boysen G, Perez D, Tunariu N, Mateo J, Wotherspoon A, Chau I, Cunningham D, Valeri N, Carreira S, de Bono J. Ataxia Telangiectasia Mutated Protein Loss and Benefit From Oxaliplatin-based Chemotherapy in Colorectal Cancer. Clinical Colorectal Cancer 2018, 17: 280-284. PMID: 30042009, DOI: 10.1016/j.clcc.2018.05.011.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsAtaxia Telangiectasia Mutated ProteinsBiomarkers, TumorColorectal NeoplasmsDNA RepairFemaleFollow-Up StudiesGene Expression Regulation, NeoplasticHumansLiver NeoplasmsMaleMiddle AgedOxaliplatinPrognosisRetrospective StudiesSurvival RateYoung AdultConceptsATM lossColorectal cancerAssociated with superior overall survivalDNA repair targeting agentsMetastatic colorectal cancer patientsAtaxia telangiectasiaIrinotecan-based therapySuperior overall survivalOxaliplatin-based therapyOxaliplatin-based chemotherapyTreatment of colorectal cancerATM protein expressionClinical outcome dataNuclear staining intensityColorectal cancer patientsDrug Development UnitColorectal cancer samplesOverall survivalMutation statusH-scoreTargeted agentsClinical outcomesDNA repair signalingTumor samplesCancer patientsThe role of genomic profiling in adolescents and young adults (AYAs) with advanced cancer participating in phase I clinical trials
McVeigh T, Sundar R, Diamantis N, Kaye S, Banerji U, Lopez J, de Bono J, van der Graaf W, George A. The role of genomic profiling in adolescents and young adults (AYAs) with advanced cancer participating in phase I clinical trials. European Journal Of Cancer 2018, 95: 20-29. PMID: 29614442, PMCID: PMC6296443, DOI: 10.1016/j.ejca.2018.02.028.Peer-Reviewed Original ResearchConceptsDrug Development UnitGermline testingAdvanced cancerPhase I clinical trialTumor testingPersonal history of cancerAdvanced solid tumorsProportion of AYAsRoyal Marsden HospitalHistory of cancerAt-risk relativesCommon cancer typesYoung adultsDepartmental databaseClinicopathological featuresSolid tumorsChart reviewFamily risk factorsGermline mutationsPathogenic variantsStudy cohortCancer predispositionGenomic profilingPatient managementGenetic testing