2024
Biomarker development for PD-(L)1 axis inhibition: a consensus view from the SITC Biomarkers Committee
Monette A, Warren S, Barrett J, Garnett-Benson C, Schalper K, Taube J, Topp B, Snyder A. Biomarker development for PD-(L)1 axis inhibition: a consensus view from the SITC Biomarkers Committee. Journal For ImmunoTherapy Of Cancer 2024, 12: e009427. PMID: 39032943, PMCID: PMC11261685, DOI: 10.1136/jitc-2024-009427.Peer-Reviewed Original ResearchConceptsProgrammed cell death protein 1/programmed death-ligand 1PD-(L)1Biomarker developmentApplication of novel biomarkersPD-(L)1 therapyDeath-ligand 1Patient selection strategiesCombination therapyTumor typesTreatment optionsImmune biologyAxis inhibitionEffective treatmentCancer progressionNovel biomarkersPatientsTherapyImmunotherapyBiomarkersKnowledge of mechanismsDelivery of effective treatmentTreatmentAgentsTumorProgressionHigh-throughput transcriptome profiling indicates ribosomal RNAs to be associated with resistance to immunotherapy in non-small cell lung cancer (NSCLC)
Moutafi M, Bates K, Aung T, Milian R, Xirou V, Vathiotis I, Gavrielatou N, Angelakis A, Schalper K, Salichos L, Rimm D. High-throughput transcriptome profiling indicates ribosomal RNAs to be associated with resistance to immunotherapy in non-small cell lung cancer (NSCLC). Journal For ImmunoTherapy Of Cancer 2024, 12: e009039. PMID: 38857914, PMCID: PMC11168162, DOI: 10.1136/jitc-2024-009039.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerImmune checkpoint inhibitorsProgrammed cell death protein 1Associated with OSCell lung cancerTissue microarray spotsTissue microarrayValidation cohortLung cancerNon-small cell lung cancer treated with immune checkpoint inhibitorsAssociated with resistance to immunotherapyCell death protein 1Resistance to immunotherapyAssociated with PFSProgression-free survivalSecreted frizzled-related protein 2Cox proportional-hazards model analysisCheckpoint inhibitorsImmunotherapy strategiesTumor compartmentsRetrospective cohortDiscovery cohortLong-term benefitsPatientsCD68
2023
1434P Machine learning features derived from spatial interaction of immune cell families are associated with survival in NSCLC patients post-immunotherapy
Arabyarmohammadi S, Corredor G, de Rodas Gregorio M, Schalper K, Madabhushi A. 1434P Machine learning features derived from spatial interaction of immune cell families are associated with survival in NSCLC patients post-immunotherapy. Annals Of Oncology 2023, 34: s816. DOI: 10.1016/j.annonc.2023.09.2465.Peer-Reviewed Original ResearchAtezolizumab plus stereotactic ablative radiotherapy for medically inoperable patients with early-stage non-small cell lung cancer: a multi-institutional phase I trial
Monjazeb A, Daly M, Luxardi G, Maverakis E, Merleev A, Marusina A, Borowsky A, Mirhadi A, Shiao S, Beckett L, Chen S, Eastham D, Li T, Vick L, McGee H, Lara F, Garcia L, Morris L, Canter R, Riess J, Schalper K, Murphy W, Kelly K. Atezolizumab plus stereotactic ablative radiotherapy for medically inoperable patients with early-stage non-small cell lung cancer: a multi-institutional phase I trial. Nature Communications 2023, 14: 5332. PMID: 37658083, PMCID: PMC10474145, DOI: 10.1038/s41467-023-40813-w.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerStereotactic ablative radiotherapyEarly-stage non-small cell lung cancerCell lung cancerAblative radiotherapyLung cancerMulti-institutional phase I trialSingle-arm phase IThird of patientsPhase I trialEx vivo stimulationT cell activationInoperable patientsPrimary endpointSecondary endpointsEfficacy signalsI trialT cellsAdaptive immunityCell activationPatientsPhase IPhase IIIEarly responseAtezolizumab
2021
Tumor Microenvironment: Immune Effector and Suppressor Imbalance
Sheehan K, Schalper K. Tumor Microenvironment: Immune Effector and Suppressor Imbalance. Current Cancer Research 2021, 1-25. DOI: 10.1007/978-3-030-74028-3_1.Peer-Reviewed Original ResearchImmune checkpoint inhibitorsTumor microenvironmentNon-small cell lung cancerHuman non-small cell lung cancerCell lung cancerImmune evasion pathwaysPatient selection strategiesImmune cell interactionsBroad clinical useAnti-cancer therapyMechanism of actionCheckpoint inhibitorsImmune stimulatoryLung cancerIndividual patientsImmune featuresCurrent evidenceImmune effectorsTherapeutic targetingClinical useFuture cancer therapeuticsSuppressor signalsCancer therapeuticsCell interactionsPatients
2019
Phenotyping tumor infiltrating lymphocytes (PhenoTIL) on H&E tissue images: predicting recurrence in lung cancer
Barrera C, Corredor G, Wang X, Schalper K, Rimm D, Velcheti V, Madabhushi A, Castro E. Phenotyping tumor infiltrating lymphocytes (PhenoTIL) on H&E tissue images: predicting recurrence in lung cancer. Progress In Biomedical Optics And Imaging 2019, 10956: 1095607-1095607-8. DOI: 10.1117/12.2513048.Peer-Reviewed Original ResearchTumor-infiltrating lymphocytesTIL densityLung cancerEarly stage non-small cell lung cancer patientsNon-small cell lung cancer patientsCell lung cancer patientsEarly-stage lung cancerKaplan-Meier analysisLung cancer patientsStage lung cancerLikelihood of recurrenceBetter prognosisLate recurrenceCancer patientsDifferent cancer typesDisease outcomeRecurrenceDifferent subtypesCancer typesLymphocytesCancerPatientsPrognosisIndependent validationCheckMate 592: a phase 2 exploratory study of biomarkers associated with the efficacy of first-line nivolumab (nivo) plus ipilimumab (ipi) in patients (pts) with stage IV or recurrent NSCLC
Christoph D, Gettinger S, Beck J, Yang X, Telivala B, Morgensztern D, Velcheti V, Ramalingam S, Schalper K, Dajee M, Ranck A, Yang R, Spigel. CheckMate 592: a phase 2 exploratory study of biomarkers associated with the efficacy of first-line nivolumab (nivo) plus ipilimumab (ipi) in patients (pts) with stage IV or recurrent NSCLC. Pneumologie 2019, 73 DOI: 10.1055/s-0039-1678250.Peer-Reviewed Original Research
2018
Final Results of a Phase I Prospective Trial Evaluating the Combination of Stereotactic Body Radiation Therapy (SBRT) with Concurrent Pembrolizumab in Patients with Metastatic Non-Small Cell Lung Cancer (NSCLC) or Melanoma
Campbell A, Herbst R, Gettinger S, Goldberg S, Kluger H, Chiang A, Lilenbaum R, Schalper K, Sowell R, Kaech S, Decker R. Final Results of a Phase I Prospective Trial Evaluating the Combination of Stereotactic Body Radiation Therapy (SBRT) with Concurrent Pembrolizumab in Patients with Metastatic Non-Small Cell Lung Cancer (NSCLC) or Melanoma. International Journal Of Radiation Oncology • Biology • Physics 2018, 102: s18-s19. DOI: 10.1016/j.ijrobp.2018.06.134.Peer-Reviewed Original Research1503TiP CheckMate 592: A phase II exploratory study of biomarkers associated with the efficacy of first-line nivolumab (nivo) plus ipilimumab (ipi) in patients (pts) with stage IV or recurrent NSCLC
Gettinger S, Beck T, Yang X, Telivala B, Morgensztern D, Velcheti V, Ramalingam S, Schalper K, Dajee M, Ranck A, Yang R, Spigel D. 1503TiP CheckMate 592: A phase II exploratory study of biomarkers associated with the efficacy of first-line nivolumab (nivo) plus ipilimumab (ipi) in patients (pts) with stage IV or recurrent NSCLC. Annals Of Oncology 2018, 29: viii544-viii545. DOI: 10.1093/annonc/mdy292.124.Peer-Reviewed Original ResearchFinal results of a phase I prospective trial evaluating the combination of stereotactic body radiotherapy (SBRT) with concurrent pembrolizumab in patients with metastatic non-small cell lung cancer (NSCLC) or melanoma.
Campbell A, Herbst R, Gettinger S, Goldberg S, Kluger H, Chiang A, Lilenbaum R, Schalper K, Sowell R, Kaech S, Decker R. Final results of a phase I prospective trial evaluating the combination of stereotactic body radiotherapy (SBRT) with concurrent pembrolizumab in patients with metastatic non-small cell lung cancer (NSCLC) or melanoma. Journal Of Clinical Oncology 2018, 36: 9099-9099. DOI: 10.1200/jco.2018.36.15_suppl.9099.Peer-Reviewed Original ResearchClinical Features and Management of Acquired Resistance to PD-1 Axis Inhibitors in 26 Patients With Advanced Non–Small Cell Lung Cancer
Gettinger SN, Wurtz A, Goldberg SB, Rimm D, Schalper K, Kaech S, Kavathas P, Chiang A, Lilenbaum R, Zelterman D, Politi K, Herbst R. Clinical Features and Management of Acquired Resistance to PD-1 Axis Inhibitors in 26 Patients With Advanced Non–Small Cell Lung Cancer. Journal Of Thoracic Oncology 2018, 13: 831-839. PMID: 29578107, PMCID: PMC6485248, DOI: 10.1016/j.jtho.2018.03.008.Peer-Reviewed Original ResearchConceptsPD-1 axis inhibitorsNon-small cell lung cancerAdvanced non-small cell lung cancerCell lung cancerInhibitor therapyLocal therapyLymph nodesLung cancerSurvival rateSolid Tumors v1.1Response Evaluation CriteriaSite of diseaseProgression of diseaseProgressive diseaseClinical patternLN metastasisSuch patientsClinical featuresMedian timeRadiographic featuresTumor regressionProlonged benefitPatientsTherapyResponse criteria
2017
15PD In patients with advanced non-small cell lung cancer (NSCLC) LAG-3 is expressed on activated TILs and predicts resistance to PD-1 axis blockers
Datar I, Sanmamed M, Choi J, Wang J, Henick B, Badri T, Mejias L, Lozano M, Gracia J, Velcheti V, Herbst R, Melero I, Chen L, Schalper K. 15PD In patients with advanced non-small cell lung cancer (NSCLC) LAG-3 is expressed on activated TILs and predicts resistance to PD-1 axis blockers. Annals Of Oncology 2017, 28: xi5. DOI: 10.1093/annonc/mdx710.006.Peer-Reviewed Original ResearchObjective, domain-specific HER2 measurement in uterine and ovarian serous carcinomas and its clinical significance
Carvajal-Hausdorf DE, Schalper KA, Bai Y, Black J, Santin AD, Rimm DL. Objective, domain-specific HER2 measurement in uterine and ovarian serous carcinomas and its clinical significance. Gynecologic Oncology 2017, 145: 154-158. PMID: 28196634, PMCID: PMC5941302, DOI: 10.1016/j.ygyno.2017.02.002.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAfatinibAntibodies, Monoclonal, HumanizedAntineoplastic AgentsCohort StudiesExtracellular SpaceFemaleFluorescent Antibody TechniqueHumansIntracellular SpaceLapatinibMaytansineMiddle AgedNeoplasms, Cystic, Mucinous, and SerousOvarian NeoplasmsProtein DomainsQuinazolinesReceptor, ErbB-2Retrospective StudiesTissue Array AnalysisTrastuzumabUterine NeoplasmsConceptsUterine serous carcinomaOvarian serous carcinomaHER2 intracellular domainSerous carcinomaECD levelsECD statusTissue microarrayHER2 measurementQuantitative immunofluorescenceHER2 overexpression/amplificationClinico-pathologic characteristicsClinico-pathological featuresHER2-targeted agentsIntracellular domainOverexpression/amplificationHER2 extracellular domainExtracellular domainOSC patientsClinical trialsBreast cancerClinical significancePatientsHER2 assaysP95-HER2Carcinoma
2016
Strategies to design clinical studies to identify predictive biomarkers in cancer research
Perez-Gracia JL, Sanmamed MF, Bosch A, Patiño-Garcia A, Schalper KA, Segura V, Bellmunt J, Tabernero J, Sweeney CJ, Choueiri TK, Martín M, Fusco JP, Rodriguez-Ruiz ME, Calvo A, Prior C, Paz-Ares L, Pio R, Gonzalez-Billalabeitia E, Hernandez A, Páez D, Piulats JM, Gurpide A, Andueza M, de Velasco G, Pazo R, Grande E, Nicolas P, Abad-Santos F, Garcia-Donas J, Castellano D, Pajares MJ, Suarez C, Colomer R, Montuenga LM, Melero I. Strategies to design clinical studies to identify predictive biomarkers in cancer research. Cancer Treatment Reviews 2016, 53: 79-97. PMID: 28088073, DOI: 10.1016/j.ctrv.2016.12.005.Peer-Reviewed Original ResearchConceptsPredictive biomarkersSpecific patient populationsPromising candidate biomarkerCancer researchUnnecessary toxicityPatient populationMultidisciplinary panelClinical studiesReliable biomarkersAnti-cancer drugsCandidate biomarkersClinical designStudy designBiomarkersPromising targetBiomarker identification studiesKey biomarkersDrugsAnticancer drugsEfficient study designStandard practiceToxicityPatientsOncologyPivotal field
2015
Novel pharmacologic approach to enhance the epigenetic and immune priming effect of decitabine in patients with advanced non-small cell lung cancer
Velcheti V, Pennell N, Rakshit S, Stevenson J, Shapiro M, Almeida F, Gurajala R, Schalper K, Saunthararajah Y. Novel pharmacologic approach to enhance the epigenetic and immune priming effect of decitabine in patients with advanced non-small cell lung cancer. Journal For ImmunoTherapy Of Cancer 2015, 3: p178. PMCID: PMC4645121, DOI: 10.1186/2051-1426-3-s2-p178.Peer-Reviewed Original Research
2014
Mutacin del gen BRAF en pacientes con cnceres de colon y recto con KRAS no mutado
Roa I, Game A, Bizama C, Schalper K. Mutacin del gen BRAF en pacientes con cnceres de colon y recto con KRAS no mutado. Revista Medica De Chile 2014, 142: 55-60. PMID: 24861115, DOI: 10.4067/s0034-98872014000100009.Peer-Reviewed Original ResearchConceptsBRAF V600E mutationV600E mutationColorectal cancerPrimary tumorKRAS mutationsIndependent prognostic factorBRAF gene mutationRestriction fragment length polymorphismColorectal cancer samplesGrowth factor pathwaysLiver metastasesPrognostic factorsMetastatic adenocarcinomaTumor locationBRAF geneFactor pathwayMonoclonal antibodiesCancer samplesMutation casesGene mutationsTissue samplesPatientsDirect sequencingMetastasisColon
2011
Granulomatosis linfomatoide cerebral primaria en paciente VIH positivo: Caso clnico
SCHALPER K, VALBUENA J. Granulomatosis linfomatoide cerebral primaria en paciente VIH positivo: Caso clnico. Revista Medica De Chile 2011, 139: 218-223. DOI: 10.4067/s0034-98872011000200012.Peer-Reviewed Original ResearchHuman immunodeficiency virus (HIV) infectionImmunodeficiency virus infectionEBV-positive cellsSubcortical nodulesCaso clnicoCerebral biopsyChest painLymphomatoid granulomatosisHepatitis BLymphoid infiltratesReactive gliosisVirus infectionImaging studiesWeight lossGranulomatosisGliosisInfiltratesPainCD20BiopsyPatientsHospitalInfectionPrimary cerebral lymphomatoid granulomatosis in a HIV-positive patient. Case report.
Schalper K, Valbuena J. Primary cerebral lymphomatoid granulomatosis in a HIV-positive patient. Case report. Revista Medica De Chile 2011, 139: 218-23. PMID: 21773660, DOI: /s0034-98872011000200012.Peer-Reviewed Original ResearchConceptsLymphomatoid granulomatosisHuman immunodeficiency virus (HIV) infectionHIV-positive patientsImmunodeficiency virus infectionEBV-positive cellsSubcortical nodulesCerebral biopsyChest painHepatitis BLymphoid infiltratesReactive gliosisVirus infectionImaging studiesWeight lossGranulomatosisPatientsGliosisInfiltratesPainCD20BiopsyHospitalInfection