2023
Surgical treatment of stage IV gastroenteropancreatic neuroendocrine carcinoma: Experience and outcomes in the United States
Kerekes D, Frey A, Bakkila B, Kunstman J, Khan S. Surgical treatment of stage IV gastroenteropancreatic neuroendocrine carcinoma: Experience and outcomes in the United States. Journal Of Surgical Oncology 2023, 128: 790-802. PMID: 37435780, DOI: 10.1002/jso.27392.Peer-Reviewed Original ResearchConceptsGastroenteropancreatic neuroendocrine carcinomasGEP-NECSingle-site surgeryOverall survivalSurgical treatmentNeuroendocrine carcinomaMortality reductionSite surgeryPrimary siteNational Cancer DatabaseRetrospective cohort studyPrimary tumor typeSurgical resectionCohort studyAggressive diseaseSurgical interventionSurvival outcomesTreatment optionsCancer DatabaseSurgeryPatientsTumor typesNECStrongest predictorCarcinomaDiscovery of decreased ferroptosis in male colorectal cancer patients with KRAS mutations
Yan H, Talty R, Jain A, Cai Y, Zheng J, Shen X, Muca E, Paty P, Bosenberg M, Khan S, Johnson C. Discovery of decreased ferroptosis in male colorectal cancer patients with KRAS mutations. Redox Biology 2023, 62: 102699. PMID: 37086630, PMCID: PMC10172914, DOI: 10.1016/j.redox.2023.102699.Peer-Reviewed Original ResearchConceptsKRAS mutant tumorsMale CRC patientsCRC patientsMale patientsKRAS mutationsMutant tumorsOverall survivalMale colorectal cancer patientsKRAS wild-type tumorsAberrant tumor metabolismColorectal cancer patientsCRC patient cohortsColorectal cancer casesFerroptosis-related genesWild-type tumorsNovel potential avenuesNormal colon tissuesPoor OSKRAS statusAdverse outcomesCRC cellsPatient cohortCancer patientsType tumorsCancer cases
2021
Intratumour microbiome associated with the infiltration of cytotoxic CD8+ T cells and patient survival in cutaneous melanoma
Zhu G, Su H, Johnson CH, Khan SA, Kluger H, Lu L. Intratumour microbiome associated with the infiltration of cytotoxic CD8+ T cells and patient survival in cutaneous melanoma. European Journal Of Cancer 2021, 151: 25-34. PMID: 33962358, PMCID: PMC8184628, DOI: 10.1016/j.ejca.2021.03.053.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBacteriaBacterial LoadBacterial TranslocationChemokinesClostridialesCytotoxicity, ImmunologicFemaleGastrointestinal MicrobiomeHumansLymphocyte CountLymphocytes, Tumor-InfiltratingMaleMelanomaMiddle AgedPrognosisSkin NeoplasmsT-Lymphocytes, CytotoxicTumor MicroenvironmentYoung AdultConceptsT cellsCutaneous melanomaPatient survivalGut microbiomeAdjusted hazard ratioT cell infiltrationChemokine gene expressionChemokine levelsCytotoxic CD8Hazard ratioSystemic inflammationShorter survivalCCL5 expressionPatient outcomesCD8Immune responseMortality riskGut microbiotaSurvival analysisMelanomaTumor nicheHuman cancersSurvivalSignificant correlationPositive association
2020
Gene Alterations of N6-Methyladenosine (m6A) Regulators in Colorectal Cancer: A TCGA Database Study
Zhang Q, Cai Y, Kurbatov V, Khan SA, Lu L, Zhang Y, Johnson CH. Gene Alterations of N6-Methyladenosine (m6A) Regulators in Colorectal Cancer: A TCGA Database Study. BioMed Research International 2020, 2020: 8826456. PMID: 33415160, PMCID: PMC7769650, DOI: 10.1155/2020/8826456.Peer-Reviewed Original ResearchMeSH KeywordsAdenosineAgedAlpha-Ketoglutarate-Dependent Dioxygenase FTOColorectal NeoplasmsDatabases, GeneticDisease-Free SurvivalDNA Copy Number VariationsFemaleGene Expression Regulation, NeoplasticGenes, NeoplasmHumansMaleMultivariate AnalysisMutationNerve Tissue ProteinsPrognosisProportional Hazards ModelsRNA Splicing FactorsRNA, MessengerConceptsDisease-free survivalImmune cell infiltrationM6A regulatorsCRC patientsCRC casesCell infiltrationMRNA expressionWorse overall survivalN6-methyladenosine regulatorsMicrosatellite instability statusMessenger RNA expressionCancer Genome AtlasOverall survivalColorectal cancerCRC tissuesDatabase studyImmune functionInstability statusColon tissuesRole of m6AGene alterationsRNA expressionCRCGenome AtlasGenetic mutations
2019
Exploring Microsatellite Instability (MSI) in Colorectal Cancer at Elevated Microsatellite Alterations at Selected Tetranucleotides (EMAST)
Kurbatov V, Khan SA. Exploring Microsatellite Instability (MSI) in Colorectal Cancer at Elevated Microsatellite Alterations at Selected Tetranucleotides (EMAST). Annals Of Surgical Oncology 2019, 27: 973-974. PMID: 31788754, DOI: 10.1245/s10434-019-08051-x.Peer-Reviewed Original ResearchHepatocellular carcinoma: Impact of academic setting and hospital volume on patient survival
Uhlig J, Sellers CM, Khan SA, Cha C, Kim HS. Hepatocellular carcinoma: Impact of academic setting and hospital volume on patient survival. Surgical Oncology 2019, 31: 111-118. PMID: 31654956, DOI: 10.1016/j.suronc.2019.10.009.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, HepatocellularCombined Modality TherapyDatabases, FactualFemaleFollow-Up StudiesHepatectomyHospitals, High-VolumeHospitals, Low-VolumeHumansLiver NeoplasmsLiver TransplantationMaleMiddle AgedPractice Patterns, Physicians'PrognosisRetrospective StudiesSurvival RateConceptsOverall survivalHepatocellular carcinomaAcademic centersHospital volumePatient survivalInterventional oncologyYoung African American patientsHigh-volume academic centersMultivariable Cox regressionFirst-line treatmentLow-volume centersLonger patient survivalAfrican American patientsHCC treatment modalitiesNon-academic centersLiver transplantMultivariable adjustmentPatient demographicsSurgical resectionLine treatmentCox regressionPotential confoundersVolume centersTreatment modalitiesAmerican patientsDigital Inference of Immune Microenvironment Reveals Low-Risk Subtype of Early Lung Adenocarcinoma
Kurbatov V, Balayev A, Saffarzadeh A, Heller DR, Boffa DJ, Blasberg JD, Lu J, Khan SA. Digital Inference of Immune Microenvironment Reveals Low-Risk Subtype of Early Lung Adenocarcinoma. The Annals Of Thoracic Surgery 2019, 109: 343-349. PMID: 31568747, DOI: 10.1016/j.athoracsur.2019.08.050.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinoma of LungAdultAgedCohort StudiesDatabases, FactualDisease-Free SurvivalFemaleHumansImmunotherapyKaplan-Meier EstimateLung NeoplasmsMaleMiddle AgedNeoplasm InvasivenessNeoplasm StagingPneumonectomyPrognosisProportional Hazards ModelsRetrospective StudiesRisk AssessmentSurvival AnalysisTumor MicroenvironmentConceptsTumor immune microenvironmentImmune microenvironmentLung adenocarcinomaOverall survivalRisk groupsMast cellsCox proportional hazard modelingEarly-stage lung adenocarcinomaLow-risk subtypesKaplan-Meier analysisPathological staging systemProportional hazard modelingImproved clinical outcomesCancer immune microenvironmentImmune cell typesEarly lung adenocarcinomaActivation stateClinical outcomesValidation cohortMacrophage contentStaging systemMultivariable modelCIBERSORT analysisPatientsClinical decisionDoes sentinel lymph node status have prognostic significance in patients with acral lentiginous melanoma?
Pavri SN, Han G, Khan S, Han D. Does sentinel lymph node status have prognostic significance in patients with acral lentiginous melanoma? Journal Of Surgical Oncology 2019, 119: 1060-1069. PMID: 30883783, DOI: 10.1002/jso.25445.Peer-Reviewed Original ResearchConceptsSentinel lymph node biopsyMelanoma-specific survivalAcral lentiginous melanomaSLN metastasisOverall survivalPositive SLNMultivariable analysisLentiginous melanomaALM casesSentinel lymph node statusClark level IVLymph node biopsyLymph node statusWorse overall survivalSignificant prognostic informationSLNB statusUlceration statusNegative SLNStudy patientsNode biopsyPrognostic benefitSEER databaseSLN statusMedian ageClinicopathological factorsIntrahepatic Cholangiocarcinoma: Socioeconomic Discrepancies, Contemporary Treatment Approaches and Survival Trends from the National Cancer Database
Uhlig J, Sellers CM, Cha C, Khan SA, Lacy J, Stein SM, Kim HS. Intrahepatic Cholangiocarcinoma: Socioeconomic Discrepancies, Contemporary Treatment Approaches and Survival Trends from the National Cancer Database. Annals Of Surgical Oncology 2019, 26: 1993-2000. PMID: 30693451, DOI: 10.1245/s10434-019-07175-4.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseIntrahepatic cholangiocarcinomaOverall survivalMedicaid insuranceCancer DatabaseLonger survivalTreatment allocationSurvival trendsTreatment approachesInterventional oncologySocioeconomic discrepanciesHigher surgery ratesMultivariable Cox modelFirst-line treatmentCurrent treatment approachesContemporary treatment approachesLow incomeMale African AmericansEligible patientsMethodsThe 2004ICC patientsSurgery ratesMale sexTreatment predictorsCancer stage
2017
Predictors of Nonadherence to NCCN Guideline Recommendations for the Management of Stage I Anal Canal Cancer.
Kole AJ, Stahl JM, Park HS, Khan SA, Johung KL. Predictors of Nonadherence to NCCN Guideline Recommendations for the Management of Stage I Anal Canal Cancer. Journal Of The National Comprehensive Cancer Network 2017, 15: 355-362. PMID: 28275036, DOI: 10.6004/jnccn.2017.0035.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsAnus NeoplasmsCombined Modality TherapyDatabases, FactualDisease ManagementFemaleHumansMaleMedication AdherenceMiddle AgedNeoplasm GradingNeoplasm StagingOdds RatioPractice Guidelines as TopicPrognosisProportional Hazards ModelsRisk FactorsTreatment OutcomeConceptsAnal canal cancerAnal cancerNCCN recommendationsSurgical proceduresNCCN Clinical Practice GuidelinesNational Cancer Data BaseGuideline-discordant careAnal canal carcinomaPredictors of nonadherenceClinical practice guidelinesHigh tumor gradeLow-grade tumorsLogistic regression modelingNon-academic facilitiesChi-square testDefinitive chemoradiotherapyGuideline concordantConcurrent chemoradiotherapyAnal carcinomaStandard therapyClinicopathologic factorsGuideline recommendationsMultivariable analysisMale sexTumor size
2010
Improved Testing for Microsatellite Instability in Colorectal Cancer Using a Simplified 3-Marker Assay
Esemuede I, Forslund A, Khan SA, Qin LX, Gimbel MI, Nash GM, Zeng Z, Rosenberg S, Shia J, Barany F, Paty PB. Improved Testing for Microsatellite Instability in Colorectal Cancer Using a Simplified 3-Marker Assay. Annals Of Surgical Oncology 2010, 17: 3370-3378. PMID: 20703819, PMCID: PMC3269820, DOI: 10.1245/s10434-010-1147-4.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdolescentAdultAgedAged, 80 and overBiological AssayBiomarkers, TumorColorectal NeoplasmsComparative Genomic HybridizationDNA RepairDNA Repair EnzymesFemaleFollow-Up StudiesGenetic TestingGerm-Line MutationHumansLymphatic MetastasisMaleMicrosatellite InstabilityMicrosatellite RepeatsMiddle AgedOligonucleotide Array Sequence AnalysisPrognosisProspective StudiesSurvival RateYoung AdultConceptsHereditary nonpolyposis colorectal cancerColorectal cancerMicrosatellite instabilityMSI testingMSI tumorsMismatch repair protein lossBackgroundIn colorectal cancerDisease-specific survivalPredictive scoring systemNonpolyposis colorectal cancerMore BRAF mutationsDefective DNA mismatch repairNCI criteriaFavorable prognosisFavorable survivalKRAS mutationsBRAF mutationsMSI statusDistinct phenotypic propertiesScoring systemCancerValuable markerMSS cancersMethodsDNA samplesProtein loss