2023
Clinical efficacy and Long-term Immunogenicity of early triple dose COVID-19 mRNA vaccine in cancer patients
Li J, Lee M, Peng S, Bin Lee A, Tay R, Chee C, Ho C, Walsh J, Chan Y, Tan K, Lee S, Chai L, Sundar R. Clinical efficacy and Long-term Immunogenicity of early triple dose COVID-19 mRNA vaccine in cancer patients. European Journal Of Surgical Oncology 2023, 49: e60-e61. PMCID: PMC9941290, DOI: 10.1016/j.ejso.2022.11.202.Peer-Reviewed Original ResearchClinical efficacy and long-term immunogenicity of an early triple dose regimen of SARS-CoV-2 mRNA vaccination in cancer patients.
Lee M, Peng S, Lee A, Wong S, Tay R, Li J, Tariq A, Goh C, Tan Y, Tan B, Teo C, Chan E, Ooi M, Chng W, Chee C, Ho C, Walsh R, Wong M, Su Y, Alexander L, Sethi S, Tan S, Chan Y, Tan K, Lee S, Chai L, Sundar R. Clinical efficacy and long-term immunogenicity of an early triple dose regimen of SARS-CoV-2 mRNA vaccination in cancer patients. Annals, Academy Of Medicine, Singapore 2023, 52: 8-16. PMID: 36730801, DOI: 10.47102/annals-acadmedsg.2022302.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 mRNA vaccinesDoses of SARS-CoV-2 mRNA vaccinesMRNA vaccinesCancer patientsThird doseHaematological malignanciesLong-term immunogenicityCompared to patientsRisk of severe diseaseAnti-neoplastic treatmentActive cancer therapyVirus neutralisation assaySARS-CoV-2 infectionSystemic chemotherapyNo patientEarly administrationSeroconversion ratesVaccine immunogenicitySolid tumorsClinical efficacyClinical outcomesSevere infectionsCancer therapyHumoral responseActive treatment
2022
Prevention of Oxaliplatin-Induced Peripheral Neuropathy: A Systematic Review and Meta-Analysis
Peng S, Ying A, Chan N, Sundar R, Soon Y, Bandla A. Prevention of Oxaliplatin-Induced Peripheral Neuropathy: A Systematic Review and Meta-Analysis. Frontiers In Oncology 2022, 12: 731223. PMID: 35186722, PMCID: PMC8853097, DOI: 10.3389/fonc.2022.731223.Peer-Reviewed Original ResearchOxaliplatin-induced peripheral neuropathyNon-pharmacological interventionsChronic oxaliplatin-induced peripheral neuropathyMeta-analysisSystematic reviewPrevent oxaliplatin-induced peripheral neuropathyGrading of RecommendationsPreventive measuresPooled risk ratioQuality of lifeRandomized controlled trialsPrimary outcome measureRandom-effects modelDatabases PubMed-MEDLINENetwork meta-analysisPreventive interventionsOutcome measuresNo interventionPubMed-MedlinePeripheral neuropathyClinical impactRisk ratioControlled trialsCancer patientsConfidence intervals
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 administrationLimb Hypothermia for the Prevention of Chemotherapy-Induced Peripheral Neuropathy – Modality for Optimal Cooling
Bandla A, Santhanakrishnan P, Magarajah G, Vaidya G, Subramanian A, Wei H, Wilder-Smith E, Chin L, Thakor N, Sundar R. Limb Hypothermia for the Prevention of Chemotherapy-Induced Peripheral Neuropathy – Modality for Optimal Cooling. Annual International Conference Of The IEEE Engineering In Medicine And Biology Society (EMBC) 2020, 00: 5061-5064. PMID: 33019124, DOI: 10.1109/embc44109.2020.9175432.Peer-Reviewed Original ResearchConceptsChemotherapy-induced peripheral neuropathyPrevent chemotherapy-induced peripheral neuropathyFrozen glovesLimb hypothermiaHealthy subjectsPrevention of chemotherapy-induced peripheral neuropathyDose-limiting adverse effectsReduce chemotherapy-induced peripheral neuropathyNeurotoxic chemotherapeutic agentsNo adverse eventsTransient erythemaSafety profileAdverse eventsChemotherapeutic agentsPeripheral neuropathyCancer patientsClinical trialsOrthopaedic indicationsClinical utilityHypothermiaSports injuriesCooling modalitiesModalitiesSkin temperatureCryocompressionConcomitant limb cryocompression and scalp cooling to reduce paclitaxel-induced neuropathy and alopecia.
Sundar R, Magarajah G, Ow S, Chan G, Choo J, Eng L, Wong A, Vijayan J, Hairom Z, Ang E, Paxman R, Wilder-Smith E, Thakor N, Lee S, Bandla A. Concomitant limb cryocompression and scalp cooling to reduce paclitaxel-induced neuropathy and alopecia. Journal Of Clinical Oncology 2020, 38: e24157-e24157. DOI: 10.1200/jco.2020.38.15_suppl.e24157.Peer-Reviewed Original ResearchChemotherapy-induced peripheral neuropathyPaclitaxel-induced neuropathyChemotherapy-induced alopeciaPost-chemotherapyScalp coolingAdverse effects of paclitaxelPreservation of nerve functionWeekly paclitaxel chemotherapyToxicity of paclitaxelEffects of paclitaxelReducing chemotherapy-induced alopeciaBreast cancer patientsLimb hypothermiaProof-of-concept studyPaclitaxel chemotherapyHypothermia trialTransient erythemaNo significant differencePatient toleranceRandomized studyNerve functionPre-chemotherapyPeripheral neuropathyChemotherapyCancer patientsActivation of sphingosine 1-phosphate receptor 2 attenuates chemotherapy-induced neuropathy
Wang W, Xiang P, Chew W, Torta F, Bandla A, Lopez V, Seow W, Lam B, Chang J, Wong P, Chayaburakul K, Ong W, Wenk M, Sundar R, Herr D. Activation of sphingosine 1-phosphate receptor 2 attenuates chemotherapy-induced neuropathy. Journal Of Biological Chemistry 2020, 295: 1143-1152. DOI: 10.1016/s0021-9258(17)49922-4.Peer-Reviewed Original ResearchChemotherapy-induced neuropathyRat model of cisplatin-induced neuropathyManagement of chemotherapy-induced neuropathyTreatment of chemotherapy-induced neuropathyS1P speciesEffects of platinum-based drugsCisplatin-induced neuropathyPlasma S1P levelsDorsal root gangliaHuman cancer patientsActivating stress-response proteinsPlatinum-based drugsSphingosine 1-phosphateReduced allodyniaS1P1 signalingOxaliplatin treatmentPharmacodynamic analysisPeripheral neuropathyRat modelCancer patientsLipid-based signaling moleculesS1P concentrationsS1P levelsCYM-5478Platinum-based therapeutics
2019
Activation of sphingosine 1-phosphate receptor 2 attenuates chemotherapy-induced neuropathy
Wang W, Xiang P, Chew W, Torta F, Bandla A, Lopez V, Seow W, Lam B, Chang J, Wong P, Chayaburakul K, Ong W, Wenk M, Sundar R, Herr D. Activation of sphingosine 1-phosphate receptor 2 attenuates chemotherapy-induced neuropathy. Journal Of Biological Chemistry 2019, 295: 1143-1152. PMID: 31882542, PMCID: PMC6983853, DOI: 10.1074/jbc.ra119.011699.Peer-Reviewed Original ResearchConceptsChemotherapy-induced neuropathyRat model of cisplatin-induced neuropathyManagement of chemotherapy-induced neuropathyTreatment of chemotherapy-induced neuropathyS1P speciesEffects of platinum-based drugsCisplatin-induced neuropathyPlasma S1P levelsDorsal root gangliaS1P<sub>1-5</sub>Human cancer patientsActivating stress-response proteinsPlatinum-based drugsReduced allodyniaSphingosine 1-phosphateOxaliplatin treatmentPharmacodynamic analysisPeripheral neuropathyRat modelS1PCancer patientsLipid-based signaling moleculesS1P concentrationsS1P levelsCYM-5478Safety and tolerability of cryocompression as a method of enhanced limb hypothermia to reduce taxane-induced peripheral neuropathy
Bandla A, Tan S, Kumarakulasinghe N, Huang Y, Ang S, Magarajah G, Hairom Z, Lim J, Wong A, Chan G, Ngoi N, Ang E, Lee Y, Chan A, Lee S, Thakor N, Wilder-Smith E, Sundar R. Safety and tolerability of cryocompression as a method of enhanced limb hypothermia to reduce taxane-induced peripheral neuropathy. Supportive Care In Cancer 2019, 28: 3691-3699. PMID: 31811482, PMCID: PMC7316694, DOI: 10.1007/s00520-019-05177-2.Peer-Reviewed Original ResearchConceptsNerve conduction studiesTotal Neuropathy ScoreFrozen glovesTaxane chemotherapyNeuropathy scorePeripheral neuropathyDose-limiting toxicityConcomitant with chemotherapyTaxane-induced peripheral neuropathySeverity of neuropathySensory nerve amplitudesPrevention of neurotoxicitySkin temperature reductionLimb hypothermiaMonths post-chemotherapyPaclitaxel chemotherapyNerve amplitudeMotor amplitudeSevere neuropathyPost-chemotherapyUndesired side effectsChemotherapyCancer patientsNeuropathySide effects
2018
Ataxia 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 patients
2017
Limb Hypothermia for Preventing Paclitaxel-Induced Peripheral Neuropathy in Breast Cancer Patients: A Pilot Study
Sundar R, Bandla A, Tan S, Liao L, Kumarakulasinghe N, Jeyasekharan A, Ow S, Ho J, Tan D, Lim J, Vijayan J, Therimadasamy A, Hairom Z, Ang E, Ang S, Thakor N, Lee S, Wilder-Smith E. Limb Hypothermia for Preventing Paclitaxel-Induced Peripheral Neuropathy in Breast Cancer Patients: A Pilot Study. Frontiers In Oncology 2017, 6: 274. PMID: 28119855, PMCID: PMC5222823, DOI: 10.3389/fonc.2016.00274.Peer-Reviewed Original ResearchNerve conduction studiesBreast cancer patientsPeripheral neuropathyPaclitaxel infusionLimb hypothermiaPreventing paclitaxel-induced peripheral neuropathyCancer patientsPaclitaxel-induced peripheral neuropathyHistory of diabetes mellitusDose-limiting toxicityCompound muscle action potentialCool limbsMuscle action potentialWeekly paclitaxelSensory velocityDiabetes mellitusGrade 2Contralateral limbAction potentialsPaclitaxelPilot trialPatientsControl limbsHypothermiaTolerance to hypothermia
2016
Towards Precision Medicine in the Clinic: From Biomarker Discovery to Novel Therapeutics
Collins D, Sundar R, Lim J, Yap T. Towards Precision Medicine in the Clinic: From Biomarker Discovery to Novel Therapeutics. Trends In Pharmacological Sciences 2016, 38: 25-40. PMID: 27871777, DOI: 10.1016/j.tips.2016.10.012.Peer-Reviewed Educational MaterialsConceptsPrecision medicineNext-generation sequencingMechanisms of drug resistanceField of immunotherapyManagement of cancer patientsOptimize treatment efficacyAntitumor responseIntertumoral heterogeneityClonal evolutionTargeted agentsMinimal toxicityDrug resistanceCancer patientsTreatment efficacyBiomarker developmentBiomarker discoveryCancer researchCancerCompounds promisesImmunotherapyMedicineLow Levels of NDRG1 in Nerve Tissue Are Predictive of Severe Paclitaxel-Induced Neuropathy
Sundar R, Jeyasekharan A, Pang B, Soong R, Kumarakulasinghe N, Ow S, Ho J, Lim J, Tan D, Wilder-Smith E, Bandla A, Tan S, Asuncion B, Fazreen Z, Hoppe M, Putti T, Poh L, Goh B, Lee S. Low Levels of NDRG1 in Nerve Tissue Are Predictive of Severe Paclitaxel-Induced Neuropathy. PLOS ONE 2016, 11: e0164319. PMID: 27716814, PMCID: PMC5055363, DOI: 10.1371/journal.pone.0164319.Peer-Reviewed Original ResearchConceptsPaclitaxel-induced neuropathySevere neuropathyReceiver operating characteristicNerve tissueDose-limiting toxicityEarly breast cancerSensory peripheral neuropathyArea under the curveBreast cancer patientsIntensity of stainingWeekly paclitaxelSurgical resectionCharcot-Marie-ToothLimiting toxicitiesPredictive biomarkersNerve biopsyPeripheral neuropathyBreast cancerBiomarker strategiesCancer patientsNDRG1 expressionNeuropathyExpression scorePatientsPaclitaxel