2024
Renal Cell Carcinoma of Variant Histology: New Biologic Understanding Leads to Therapeutic Advances.
Salgia N, Zengin Z, Pal S, Dizman N. Renal Cell Carcinoma of Variant Histology: New Biologic Understanding Leads to Therapeutic Advances. American Society Of Clinical Oncology Educational Book 2024, 44: e438642. PMID: 38776514, PMCID: PMC11235416, DOI: 10.1200/edbk_438642.Peer-Reviewed Original ResearchConceptsRenal cell carcinomaPapillary renal cell carcinomaBiology of renal cell carcinomaHistology renal cell carcinomaPatient populationRenal cell carcinoma histologyMetastatic renal cell carcinomaRenal cell carcinoma casesOptimization of treatment regimensNon-clear cellPrecision oncology approachesDiagnosed solid tumorsSarcomatoid dedifferentiationVariant histologyRare subtypeHistopathological subtypesCell carcinomaSolid tumorsClinical featuresTreatment regimensClinical findingsOncology approachesTherapeutic advancesTherapeutic approachesUnique pathogenesesBarriers to Clinical Trial Implementation Among Community Care Centers
Ebrahimi H, Megally S, Plotkin E, Shivakumar L, Salgia N, Zengin Z, Meza L, Chawla N, Castro D, Dizman N, Bhagat R, Liv S, Li X, Rock A, Liu S, Tripathi A, Dorff T, Oyer R, Boehmer L, Pal S, Chehrazi-Raffle A. Barriers to Clinical Trial Implementation Among Community Care Centers. JAMA Network Open 2024, 7: e248739. PMID: 38683608, PMCID: PMC11059033, DOI: 10.1001/jamanetworkopen.2024.8739.Peer-Reviewed Original ResearchConceptsClinical trial implementationClinical trial enrollmentTrial enrollmentUnmet needsCancer clinical trial enrollmentHealth care practicesPatients seeking careTrial implementationCommunity care centersCommunity oncology settingNational survey studyRural practiceClinical research opportunitiesCare practicesCare settingsCancer clinicOncology settingLimited staffingPractice changeRural settingsOncology clinicMain OutcomesHispanic residentsReferral practicesTrial participants
2023
Differential Impact of SPOP Mutation in Prostate and Endometrial Cancers.
Gebrael G, Zengin Z, Swami U. Differential Impact of SPOP Mutation in Prostate and Endometrial Cancers. JCO Precision Oncology 2023, 7: e2300397. PMID: 37972335, DOI: 10.1200/po.23.00397.Peer-Reviewed Original ResearchAssociation Between Time-of-Day of Immune Checkpoint Blockade Administration and Outcomes in Metastatic Renal Cell Carcinoma
Dizman N, Govindarajan A, Zengin Z, Meza L, Tripathi N, Sayegh N, Castro D, Chan E, Lee K, Prajapati S, Feng M, Loo V, Pace M, O'Brien S, Bailey E, Barragan-Carrillo R, Chehrazi-Raffle A, Hsu J, Li X, Agarwal N, Pal S. Association Between Time-of-Day of Immune Checkpoint Blockade Administration and Outcomes in Metastatic Renal Cell Carcinoma. Clinical Genitourinary Cancer 2023, 21: 530-536. PMID: 37495481, DOI: 10.1016/j.clgc.2023.06.004.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaObjective response rateTreatment failureRenal cell carcinomaHazard ratioOverall survivalCell carcinomaMultivariate analysisHigh Cut-OffNivolumab/ipilimumabProspective Randomized StudyBaseline characteristicsRandomized studyClinical outcomesMedian timePreclinical evidenceUnivariate analysisPatientsResponse rateImmune systemInfusion timeStatistical significanceOutcomesCarcinomaInfusionChanges in Perception of Cure Among Patients With Genitourinary Cancers Initiating Immune Checkpoint Inhibitors: A Longitudinal Study
Bergerot C, Philip E, Govindarajan A, Castro D, Malhotra J, Bergerot P, Salgia S, Salgia M, Salgia N, Hsu J, Meza L, Zengin Z, Liu S, Chehrazi-Raffle A, Tripathi A, Dorff T, Pal S. Changes in Perception of Cure Among Patients With Genitourinary Cancers Initiating Immune Checkpoint Inhibitors: A Longitudinal Study. Clinical Genitourinary Cancer 2023, 21: 626-630.e3. PMID: 37391301, PMCID: PMC11225089, DOI: 10.1016/j.clgc.2023.05.018.Peer-Reviewed Original ResearchConceptsPerception of cureExpectation of cureGenitourinary cancersImmune checkpoint inhibitor therapyCheckpoint inhibitor therapyImmune checkpoint inhibitorsProportion of patientsSevere side effectsLongitudinal studyChi-square testICI therapyCheckpoint inhibitorsInhibitor therapyECOG scoreGeneral linear modelingPatients' perceptionsMetastatic cancerPatientsSide effectsDecreased anxietyTherapyCancerCureLower ratesAnxiety ScaleExamining Exclusion Criteria in Advanced Prostate Cancer Clinical Trials: An Assessment of recommendations From the American Society Of Clinical Oncology and Friends of Cancer Research
Ebrahimi H, Castro D, Feng M, Prajapati S, Lee K, Chan E, Paul T, Sehgal I, Patel J, Li X, Zengin Z, Meza L, Mercier B, Hsu J, Govindarajan A, Chawla N, Dizman N, Bergerot C, Rock A, Liu S, Tripathi A, Dorff T, Pal S, Chehrazi-Raffle A. Examining Exclusion Criteria in Advanced Prostate Cancer Clinical Trials: An Assessment of recommendations From the American Society Of Clinical Oncology and Friends of Cancer Research. Clinical Genitourinary Cancer 2023, 21: e467-e473. PMID: 37301665, DOI: 10.1016/j.clgc.2023.05.013.Peer-Reviewed Original ResearchConceptsProstate cancer clinical trialsHBV/HCV infectionCancer clinical trialsHepatitis B virusClinical trialsConcurrent malignancyBrain metastasesEligibility criteriaHCV infectionHIV infectionExclusion criteriaClinical OncologyEastern Cooperative Oncology Group scaleAssessment of recommendationsECOG PS 0C virus infectionRestrictive eligibility criteriaAmerican SocietyCancer researchHCV positivityPS 0HIV positivityImmunotherapy trialsB virusVirus infectionUltrasensitive Circulating Tumor DNA Pilot Study Distinguishes Complete Response and Partial Response With Immunotherapy in Patients With Metastatic Renal Cell Carcinoma
Chehrazi-Raffle A, Muddasani R, Dizman N, Hsu J, Meza L, Zengin Z, Malhotra J, Chawla N, Dorff T, Contente-Cuomo T, Dinwiddie D, McDonald B, McDaniel T, Trent J, Baehner F, Murtaza M, Pal S. Ultrasensitive Circulating Tumor DNA Pilot Study Distinguishes Complete Response and Partial Response With Immunotherapy in Patients With Metastatic Renal Cell Carcinoma. JCO Precision Oncology 2023, 7: e2200543. PMID: 37027813, PMCID: PMC10309555, DOI: 10.1200/po.22.00543.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaPartial responseComplete responseVariant allele fractionRenal cell carcinomaCell carcinomaCtDNA analysisImmune checkpoint inhibitor therapyCheckpoint inhibitor therapyDiscontinuation of immunotherapyDepth of responseICI therapyNivolumab monotherapyEligible patientsRadiographic progressionInhibitor therapyPeripheral bloodDisease progressionCtDNA assessmentSubsequent progressionPatientsMultiple indicationsSingle time pointPatient-specific mutationsSecondary objectiveTwelve-Month Follow-up of the Immune Response After COVID-19 Vaccination in Patients with Genitourinary Cancers: A Prospective Cohort Analysis
Meza L, Zengin Z, Salgia S, Malhotra J, Karczewska E, Dorff T, Tripathi A, Ely J, Kelley E, Mead H, Hsu J, Dizman N, Salgia N, Chawla N, Chehrazi-Raffle A, Muddasani R, Govindarajan A, Rock A, Liu S, Salgia R, Trent J, Altin J, Pal S. Twelve-Month Follow-up of the Immune Response After COVID-19 Vaccination in Patients with Genitourinary Cancers: A Prospective Cohort Analysis. The Oncologist 2023, 28: e748-e755. PMID: 36971500, PMCID: PMC10485287, DOI: 10.1093/oncolo/oyad067.Peer-Reviewed Original ResearchConceptsCOVID-19 vaccinationGenitourinary cancersRenal cell carcinomaBooster doseCell carcinomaImmune responseBlood samplesSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2T-cell receptor sequencingRespiratory syndrome coronavirus 2Baseline blood samplesMajority of patientsMinority of patientsProspective cohort analysisSyndrome coronavirus 2Twelve-month followAntibody titer analysisCOVID-19 vaccineSeroconversion ratesMedian ageUrothelial cancerCoronavirus 2Prostate cancerCohort analysisGenomic and Transcriptomic Predictors of Response from Stereotactic Body Radiation Therapy in Patients with Oligoprogressive Renal Cell Carcinoma
Zengin Z, Govindarajan A, Salgia N, Sayegh N, Tripathi N, Muddasani R, Chehrazi-Raffle A, Feng M, Mercier B, Ladbury C, Hao C, Salgia S, Chawla N, Meza L, Malhotra J, Dizman N, Hsu J, Castro D, Barragan-Carrillo R, Ebrahimi H, Philip E, Chang M, Zhang J, Byron S, Lyou Y, Dorff T, Pal S, Dandapani S. Genomic and Transcriptomic Predictors of Response from Stereotactic Body Radiation Therapy in Patients with Oligoprogressive Renal Cell Carcinoma. European Urology Oncology 2023, 6: 447-450. PMID: 36609061, DOI: 10.1016/j.euo.2022.11.006.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaStereotactic body radiation therapyRenal cell carcinomaBody radiation therapyCell carcinomaRadiation therapyClear cell renal cell carcinomaFirst-line treatmentCell renal cell carcinomaStereotactic body radiotherapyKidney cancer patientsOligoprogressive diseaseSystemic treatmentReactive oxygen species pathwayBody radiotherapyCancer patientsTreatment selectionPatientsTreatment changesOxygen species pathwayRadiation treatmentCarcinomaCell proliferationPotential roleRadiotherapyPerceptions of COVID-19 Vaccination in Patients with Genitourinary Cancers: A Survey Study
Castro D, Zengin Z, Malhotra J, Bergerot C, Meza L, Dizman N, Govindarajan A, Hsu J, Chehrazi-Raffle A, Chawla N, Mercier B, Chen S, Feng M, Prajapati S, Lee K, Philip E, Dorff T, Lyou Y, Pal S. Perceptions of COVID-19 Vaccination in Patients with Genitourinary Cancers: A Survey Study. Cancer Investigation 2023, 41: 70-76. PMID: 36239609, DOI: 10.1080/07357907.2022.2136683.Peer-Reviewed Original Research
2022
Genomic and Clinical Prognostic Factors in Patients With Advanced Urothelial Carcinoma Receiving Immune Checkpoint Inhibitors
Chawla N, Sayegh N, Tripathi N, Govindarajan A, Zengin Z, Phillip E, Dizman N, Meza L, Muddasani R, Chehrazi-Raffle A, Malhotra J, Hsu J, Agarwal N, Pal S, Tripathi A. Genomic and Clinical Prognostic Factors in Patients With Advanced Urothelial Carcinoma Receiving Immune Checkpoint Inhibitors. Clinical Genitourinary Cancer 2022, 21: 69-75. PMID: 36509613, DOI: 10.1016/j.clgc.2022.11.007.Peer-Reviewed Original ResearchConceptsProgression-free survivalOverall response rateTumor mutational burdenOverall survivalWorse OSPrimary diseaseMultivariate analysisMedian progression-free survivalImmune checkpoint inhibitor therapyInferior progression-free survivalPromoter mutationsWorse progression-free survivalCheckpoint inhibitor therapyMedian overall survivalImmune checkpoint inhibitorsTertiary cancer centerClinical prognostic factorsPrimary tumor siteTERT promoter mutationsCheckpoint inhibitorsInhibitor therapyLaboratory parametersPrognostic factorsCancer CenterFemale sexTemporal Characteristics of Adverse Events of Tivozanib and Sorafenib in Previously Treated Kidney Cancer
Zengin Z, Pal S, McDermott D, Escudier B, Hutson T, Porta C, Verzoni E, Atkins M, Kasturi V, Rini B. Temporal Characteristics of Adverse Events of Tivozanib and Sorafenib in Previously Treated Kidney Cancer. Clinical Genitourinary Cancer 2022, 20: 553-557. PMID: 36096984, DOI: 10.1016/j.clgc.2022.08.005.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaRenal cell carcinomaDose modificationSorafenib armAdverse eventsCell carcinomaVascular endothelial growth factor receptor inhibitorEndothelial growth factor receptor inhibitorImproved progression-free survivalGrowth factor receptor inhibitorsProgression-free survivalDuration of toxicityMeasurable diseaseOpen labelFree survivalPrimary endpointTreatment discontinuationTreatment armsReceptor inhibitorsDose reductionKidney cancerTRAEsPatientsTivozanibSorafenibNivolumab plus ipilimumab with or without live bacterial supplementation in metastatic renal cell carcinoma: a randomized phase 1 trial
Dizman N, Meza L, Bergerot P, Alcantara M, Dorff T, Lyou Y, Frankel P, Cui Y, Mira V, Llamas M, Hsu J, Zengin Z, Salgia N, Salgia S, Malhotra J, Chawla N, Chehrazi-Raffle A, Muddasani R, Gillece J, Reining L, Trent J, Takahashi M, Oka K, Higashi S, Kortylewski M, Highlander SK, Pal SK. Nivolumab plus ipilimumab with or without live bacterial supplementation in metastatic renal cell carcinoma: a randomized phase 1 trial. Nature Medicine 2022, 28: 704-712. PMID: 35228755, PMCID: PMC9018425, DOI: 10.1038/s41591-022-01694-6.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaProgression-free survivalRenal cell carcinomaCell carcinomaCheckpoint inhibitorsResponse rateGut microbiomePoor-risk diseaseTreatment-naive patientsSingle-center studyPhase 1 trialRandomized phase 1 trialSignificant differencesBifidobacterium sppMechanism of actionNivolumab-ipilimumabSarcomatoid histologyPrimary endpointSecondary endpointsImmune compartmentStudy armsClinical outcomesClear cellsClinical observationsPatients
2021
Targeted therapies: Expanding the role of FGFR3 inhibition in urothelial carcinoma
Zengin Z, Chehrazi-Raffle A, Salgia N, Muddasani R, Ali S, Meza L, Pal S. Targeted therapies: Expanding the role of FGFR3 inhibition in urothelial carcinoma. Urologic Oncology Seminars And Original Investigations 2021, 40: 25-36. PMID: 34840077, DOI: 10.1016/j.urolonc.2021.10.003.Peer-Reviewed Original ResearchConceptsImmune checkpoint inhibitorsUrothelial carcinomaCheckpoint inhibitorsTargeted therapyLower tract diseaseMultiple disease stagesMetastatic urothelial carcinomaOverall response rateAntibody-drug conjugatesGrowth factor receptor familyFGFR3 inhibitionUC tumorsChemotherapy regimensUpper tractOngoing trialsDisease stageTract diseaseTreatment paradigmFactor receptor familyHigh incidenceActionable mutationsFGFR1-4FGFR3 inhibitorsSmall molecule inhibitorsFGFR3 mutationsCharacterizing the relationships between tertiary and community cancer providers: Results from a survey of medical oncologists in Southern California
Salgia NJ, Chehrazi‐Raffle A, Hsu J, Zengin Z, Salgia S, Chawla NS, Meza L, Malhotra J, Dizman N, Muddasani R, Ruel N, Cianfrocca M, Gong J, Anand S, Chiu V, Yeh J, Pal SK. Characterizing the relationships between tertiary and community cancer providers: Results from a survey of medical oncologists in Southern California. Cancer Medicine 2021, 10: 5671-5680. PMID: 34331372, PMCID: PMC8366095, DOI: 10.1002/cam4.4119.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAttitude of Health PersonnelCaliforniaCancer Care FacilitiesClinical Trials as TopicCommunicationFemaleHospitals, CommunityHumansIntersectoral CollaborationMaleMiddle AgedNeoplasmsOncologistsReferral and ConsultationSurveys and QuestionnairesTertiary Care CentersConceptsClinical trialsCommunity oncologistsTertiary centerTrial availabilityClinical trial availabilityTertiary cancer centerClinical trial enrollmentRegional tertiary centerCancer providersMost patientsTertiary referralMedical oncologistsReferral patternsTrial enrollmentCancer CenterTertiary practiceCancer carePatient referralMost oncologistsGeneral oncologistsCommon reasonClinical practiceOncologistsPatient careClinical expertiseComplementary Role of Circulating Tumor DNA Assessment and Tissue Genomic Profiling in Metastatic Renal Cell Carcinoma
Zengin ZB, Weipert C, Salgia NJ, Dizman N, Hsu J, Meza L, Chehrazi-Raffle A, Muddasani R, Salgia S, Malhotra J, Chawla N, Philip EJ, Kiedrowski L, Maughan BL, Rathi N, Goel D, Choueiri TK, Agarwal N, Pal SK. Complementary Role of Circulating Tumor DNA Assessment and Tissue Genomic Profiling in Metastatic Renal Cell Carcinoma. Clinical Cancer Research 2021, 27: 4807-4813. PMID: 34130999, DOI: 10.1158/1078-0432.ccr-21-0572.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaCell-free tumor DNARenal cell carcinomaGenomic profilingCell carcinomaTissue-based testingTumor DNA (ctDNA) assessmentClinical Laboratory Improvement AmendmentsActionable alterationsCtDNA profilingCtDNA assessmentPatientsTumor DNAUnique alterationsAlteration frequencyCarcinomaDNA assessmentBloodGreater temporal separationTissueAlterationsConcordancePrevious findingsMutationsConcordance analysisChemoimmunotherapy in urothelial cancer: concurrent or sequential?
Zengin Z, Meza L, Pal S, Grivas P. Chemoimmunotherapy in urothelial cancer: concurrent or sequential? The Lancet Oncology 2021, 22: 894-896. PMID: 34051179, DOI: 10.1016/s1470-2045(21)00284-9.Commentaries, Editorials and Letters
2020
Immune Related Adverse Events: Classification and Management Approaches in Advanced Kidney Cancer.
Zengin Z, Salgia N, Chehrazi-Raffle A, Meza L, Malhotra J, Pal S. Immune Related Adverse Events: Classification and Management Approaches in Advanced Kidney Cancer. The Cancer Journal 2020, 26: 432-440. PMID: 32947311, DOI: 10.1097/ppo.0000000000000473.Peer-Reviewed Original ResearchConceptsImmune checkpoint inhibitorsMetastatic renal cell carcinomaRenal cell carcinomaCheckpoint inhibitorsAdverse eventsCell carcinomaDeath ligand 1 (PD-L1) immune checkpoint inhibitorsAnti-programmed death-1/Common immune-related adverse eventsImmune-related adverse eventsPivotal phase III trialsPrevious treatment optionsPhase III trialsDeath-1/Advanced kidney cancerRecent therapeutic advancementsUnique toxicity profileDrug Administration approvalFrontline regimensIII trialsClinical outcomesTreatment optionsRare toxicityAdministration approvalTargeted therapy