2020
Sacituzumab govitecan, an antibody‐drug conjugate targeting trophoblast cell‐surface antigen 2, shows cytotoxic activity against poorly differentiated endometrial adenocarcinomas in vitro and in vivo
Perrone E, Manara P, Lopez S, Bellone S, Bonazzoli E, Manzano A, Zammataro L, Bianchi A, Zeybek B, Buza N, Tymon‐Rosario J, Altwerger G, Han C, Menderes G, Huang GS, Ratner E, Silasi D, Azodi M, Hui P, Schwartz PE, Scambia G, Santin AD. Sacituzumab govitecan, an antibody‐drug conjugate targeting trophoblast cell‐surface antigen 2, shows cytotoxic activity against poorly differentiated endometrial adenocarcinomas in vitro and in vivo. Molecular Oncology 2020, 14: 645-656. PMID: 31891442, PMCID: PMC7053235, DOI: 10.1002/1878-0261.12627.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, Monoclonal, HumanizedAntibody-Dependent Cell CytotoxicityAntigens, NeoplasmAntineoplastic AgentsCamptothecinCarcinoma, EndometrioidCell Adhesion MoleculesCell DifferentiationCell Line, TumorCell SurvivalEndometrial NeoplasmsFemaleHumansImmunoconjugatesImmunohistochemistryIrinotecanMiceMice, SCIDTissue Array AnalysisXenograft Model Antitumor AssaysConceptsAntibody-dependent cell cytotoxicityCell surface antigen 2EC cell linesSacituzumab govitecanTrop-2 expressionPrimary tumor cell linesTrop-2Xenograft modelAntigen 2Cell linesTumor cell linesCommon gynecologic malignancyFuture clinical trialsChromium release assaysParaffin-embedded tumorsTumor growth inhibitionSignificant bystander killingEC xenograftsGynecologic malignanciesEndometrial cancerEndometrial adenocarcinomaEndometrioid carcinoma tissuesPreclinical activityControl antibodyClinical trials
2019
In vitro and in vivo activity of sacituzumab govitecan, an antibody-drug conjugate targeting trophoblast cell-surface antigen 2 (Trop-2) in uterine serous carcinoma
Han C, Perrone E, Zeybek B, Bellone S, Tymon-Rosario J, Altwerger G, Menderes G, Feinberg J, Haines K, Muller Karger ME, Bianchi A, Zammataro L, Manzano A, Bonazzoli E, Manara P, Buza N, Hui P, Ratner E, Silasi DA, Huang GS, Azodi M, Schwartz PE, Lopez S, Santin AD. In vitro and in vivo activity of sacituzumab govitecan, an antibody-drug conjugate targeting trophoblast cell-surface antigen 2 (Trop-2) in uterine serous carcinoma. Gynecologic Oncology 2019, 156: 430-438. PMID: 31839338, DOI: 10.1016/j.ygyno.2019.11.018.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, Monoclonal, HumanizedAntibody-Dependent Cell CytotoxicityAntigens, NeoplasmCamptothecinCell Adhesion MoleculesCell Line, TumorCystadenocarcinoma, SerousFemaleFlow CytometryHumansImmunoconjugatesImmunohistochemistryMiceMice, SCIDMolecular Targeted TherapyRandom AllocationTissue Array AnalysisUterine NeoplasmsXenograft Model Antitumor AssaysConceptsUterine serous carcinomaCell surface antigen 2Sacituzumab govitecanTrop-2 expressionTrop-2Serous carcinomaAntigen 2Advanced/recurrent diseasePrimary uterine serous carcinomaResistant human tumorsSignificant bystander killingUSC patientsUSC xenograftsRecurrent diseaseClinical responseEndometrial cancerAggressive variantPoor prognosisPreclinical activityPrimary tumorIntravenous administrationClinical developmentUSC samplesActive metaboliteSN-38PARP-1 activity (PAR) determines the sensitivity of cervical cancer to olaparib
Bianchi A, Lopez S, Altwerger G, Bellone S, Bonazzoli E, Zammataro L, Manzano A, Manara P, Perrone E, Zeybek B, Han C, Menderes G, Ratner E, Silasi DA, Huang GS, Azodi M, Newberg JY, Pavlick DC, Elvin J, Frampton GM, Schwartz PE, Santin AD. PARP-1 activity (PAR) determines the sensitivity of cervical cancer to olaparib. Gynecologic Oncology 2019, 155: 144-150. PMID: 31434613, PMCID: PMC6788971, DOI: 10.1016/j.ygyno.2019.08.010.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsApoptosisCell Growth ProcessesCell Line, TumorDose-Response Relationship, DrugDrug Resistance, NeoplasmFemaleG2 Phase Cell Cycle CheckpointsHumansM Phase Cell Cycle CheckpointsMice, SCIDMiddle AgedPhthalazinesPiperazinesPoly (ADP-Ribose) Polymerase-1Poly(ADP-ribose) Polymerase InhibitorsUterine Cervical NeoplasmsXenograft Model Antitumor AssaysYoung AdultConceptsPoly (ADP-ribose) polymerase (PARP) inhibitorsCervical cancerCC cell linesCell linesPARP-1 activityOverall animal survivalMajor health problemCC cell growthXenograft tumor growthWestern blot assaysG2/M phaseVivo antitumor activityCC xenograftsCC patientsPreclinical activityPAR expressionCell cycle arrestOvarian cancerPrimary cell linesOlaparib treatmentUseful biomarkerHealth problemsTumor growthAnimal survivalOlaparib activityPI3K oncogenic mutations mediate resistance to afatinib in HER2/neu overexpressing gynecological cancers
Bonazzoli E, Cocco E, Lopez S, Bellone S, Zammataro L, Bianchi A, Manzano A, Yadav G, Manara P, Perrone E, Haines K, Espinal M, Dugan K, Menderes G, Altwerger G, Han C, Zeybek B, Litkouhi B, Ratner E, Silasi DA, Huang GS, Azodi M, Schwartz PE, Santin AD. PI3K oncogenic mutations mediate resistance to afatinib in HER2/neu overexpressing gynecological cancers. Gynecologic Oncology 2019, 153: 158-164. PMID: 30630630, PMCID: PMC6430698, DOI: 10.1016/j.ygyno.2019.01.002.Peer-Reviewed Original ResearchMeSH KeywordsAdultAfatinibAgedAnimalsAntineoplastic AgentsCell Line, TumorClass I Phosphatidylinositol 3-KinasesClass Ia Phosphatidylinositol 3-KinaseDrug Resistance, NeoplasmFemaleGenital Neoplasms, FemaleHumansMiceMice, SCIDMiddle AgedMutationPhosphatidylinositol 3-KinasesProtein Kinase InhibitorsReceptor, ErbB-2TransfectionXenograft Model Antitumor AssaysConceptsHER2/neuAKT/mTOR pathwayPIK3CA mutationsMTOR pathwayActivity of afatinibEffect of afatinibPI3K/AKT/mTOR pathwayPotential mechanismsPIK3CA/AKT/mTOR pathwayRapid tumor growthGreater compensatory increasePI3K mutationsAmplification/mutationOncogenic PIK3CA mutationsAfatinib exposurePIK3CA H1047RGynecological cancerClinical trialsMTOR inhibitorsAfatinibTumor growthCompensatory increasePhosphorylated Akt proteinPIK3CA geneC-erb
2018
In vitro and in vivo activity of IMGN853, an Antibody-Drug Conjugate targeting Folate Receptor Alpha linked to DM4, in biologically aggressive endometrial cancers
Altwerger G, Bonazzoli E, Bellone S, Egawa-Takata T, Menderes G, Pettinella F, Bianchi A, Riccio F, Feinberg J, Zammataro L, Han C, Yadav G, Dugan K, Morneault A, Ponte JF, Buza N, Hui P, Wong S, Litkouhi B, Ratner E, Silasi DA, Huang GS, Azodi M, Schwartz PE, Santin AD. In vitro and in vivo activity of IMGN853, an Antibody-Drug Conjugate targeting Folate Receptor Alpha linked to DM4, in biologically aggressive endometrial cancers. Molecular Cancer Therapeutics 2018, 17: molcanther.0930.2017. PMID: 29440294, PMCID: PMC5932245, DOI: 10.1158/1535-7163.mct-17-0930.Peer-Reviewed Original ResearchConceptsEndometrial cancerXenograft modelCell linesTumor cell linesPatient-derived xenograft modelsUterine cancer cell linesAggressive endometrial cancersEndometrial cancer deathsExpression of FRαPrimary USC cell linesRecurrent endometrial cancerReceptor alpha expressionUSC cell linesImpressive antitumor activityMol Cancer TherUSC patientsCancer cell linesMedian survivalCancer deathPDX modelsPreclinical dataUterine cancerComplete resolutionIMGN853Grade 3
2017
Superior in vitro and in vivo activity of trastuzumab-emtansine (T-DM1) in comparison to trastuzumab, pertuzumab and their combination in epithelial ovarian carcinoma with high HER2/neu expression
Menderes G, Bonazzoli E, Bellone S, Altwerger G, Black JD, Dugan K, Pettinella F, Masserdotti A, Riccio F, Bianchi A, Zammataro L, de Haydu C, Buza N, Hui P, Wong S, Huang GS, Litkouhi B, Ratner E, Silasi DA, Azodi M, Schwartz PE, Santin AD. Superior in vitro and in vivo activity of trastuzumab-emtansine (T-DM1) in comparison to trastuzumab, pertuzumab and their combination in epithelial ovarian carcinoma with high HER2/neu expression. Gynecologic Oncology 2017, 147: 145-152. PMID: 28705408, PMCID: PMC5605415, DOI: 10.1016/j.ygyno.2017.07.009.Peer-Reviewed Original ResearchConceptsHigh HER2/neu expressionHER2/neu expressionEpithelial ovarian cancerHER2/neuAnti-tumor activityEOC cell linesT-DM1Neu expressionChemotherapy-resistant epithelial ovarian cancerLimited anti-tumor activityAntibody-dependent cell-mediated cytotoxicity (ADCC) activityCell linesSuperior anti-tumor activityCombination of trastuzumabLethal gynecologic malignancyEpithelial ovarian carcinomaTumor growth inhibitionEOC xenograftsGynecologic malignanciesPreclinical dataOvarian carcinomaOvarian cancerClinical studiesXenograft modelSingle agentSYD985, a novel duocarmycin-based HER2-targeting antibody-drug conjugate, shows promising antitumor activity in epithelial ovarian carcinoma with HER2/Neu expression
Menderes G, Bonazzoli E, Bellone S, Black J, Altwerger G, Masserdotti A, Pettinella F, Zammataro L, Buza N, Hui P, Wong S, Litkouhi B, Ratner E, Silasi DA, Huang GS, Azodi M, Schwartz PE, Santin AD. SYD985, a novel duocarmycin-based HER2-targeting antibody-drug conjugate, shows promising antitumor activity in epithelial ovarian carcinoma with HER2/Neu expression. Gynecologic Oncology 2017, 146: 179-186. PMID: 28473206, PMCID: PMC5533304, DOI: 10.1016/j.ygyno.2017.04.023.Peer-Reviewed Original ResearchMeSH KeywordsAdo-Trastuzumab EmtansineAdultAgedAnimalsAntibodies, Monoclonal, HumanizedAntibody-Dependent Cell CytotoxicityAntineoplastic Agents, AlkylatingBystander EffectCarcinoma, Ovarian EpithelialCell Line, TumorDuocarmycinsFemaleHumansImmunotoxinsIndolesMaytansineMiceMice, SCIDMiddle AgedNeoplasms, Glandular and EpithelialOvarian NeoplasmsPyrrolidinonesRandom AllocationReceptor, ErbB-2TrastuzumabXenograft Model Antitumor AssaysConceptsHER2/neu expressionAntibody-dependent cellular cytotoxicityEpithelial ovarian cancerLow HER2/neu expressionPeripheral blood lymphocytesHER2/neu 3Antibody-drug conjugatesT-DM1Neu expressionEOC cell linesNeu 3HER2-targeting antibody-drug conjugateNovel antibody-drug conjugateNovel HER2-targeting antibody-drug conjugateEpithelial ovarian carcinomaOvarian cancer xenograftsAnti-tumor activityCell linesEOC xenograftsTrastuzumab emtansineCancer xenograftsBlood lymphocytesOvarian cancerOvarian carcinomaSYD985
2015
Dual HER2/PIK3CA Targeting Overcomes Single-Agent Acquired Resistance in HER2-Amplified Uterine Serous Carcinoma Cell Lines In Vitro and In Vivo
Lopez S, Cocco E, Black J, Bellone S, Bonazzoli E, Predolini F, Ferrari F, Schwab CL, English DP, Ratner E, Silasi DA, Azodi M, Schwartz PE, Terranova C, Angioli R, Santin AD. Dual HER2/PIK3CA Targeting Overcomes Single-Agent Acquired Resistance in HER2-Amplified Uterine Serous Carcinoma Cell Lines In Vitro and In Vivo. Molecular Cancer Therapeutics 2015, 14: 2519-2526. PMID: 26333383, PMCID: PMC4636465, DOI: 10.1158/1535-7163.mct-15-0383.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic Combined Chemotherapy ProtocolsCell CycleCell Line, TumorCell SurvivalClass I Phosphatidylinositol 3-KinasesCystadenocarcinoma, SerousDose-Response Relationship, DrugDrug SynergismFemaleGene AmplificationHumansImidazolesImmunoblottingMice, SCIDMutationOxazepinesPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphorylationQuinolinesReceptor, ErbB-2Uterine NeoplasmsXenograft Model Antitumor AssaysConceptsHER2/neu gene amplificationNeu gene amplificationUSC xenograftsUterine serous carcinomaGene amplificationUterine serous carcinoma cell linesSingle-agent therapyNovel therapeutic optionsWild-type PIK3CADose-dependent increaseIdeal therapeutic targetUSC cell linesCell linesDose-dependent declineFlow cytometry assayG0-G1 phaseCell cycle distributionOncogenic PIK3CA mutationsPercentage of cellsUSC patientsEndometrial cancerAggressive variantSerous carcinomaTherapeutic optionsCarcinoma cell linesClostridium perfringens enterotoxin C‐terminal domain labeled to fluorescent dyes for in vivo visualization of micrometastatic chemotherapy‐resistant ovarian cancer
Cocco E, Shapiro EM, Gasparrini S, Lopez S, Schwab CL, Bellone S, Bortolomai I, Sumi NJ, Bonazzoli E, Nicoletti R, Deng Y, Saltzman WM, Zeiss CJ, Centritto F, Black JD, Silasi DA, Ratner E, Azodi M, Rutherford TJ, Schwartz PE, Pecorelli S, Santin AD. Clostridium perfringens enterotoxin C‐terminal domain labeled to fluorescent dyes for in vivo visualization of micrometastatic chemotherapy‐resistant ovarian cancer. International Journal Of Cancer 2015, 137: 2618-2629. PMID: 26060989, PMCID: PMC4573336, DOI: 10.1002/ijc.29632.Peer-Reviewed Original ResearchConceptsPatient-derived xenograftsTumor fluorescenceChemotherapy-resistant ovarian cancerClaudin-3Human ovarian cancer xenograftsTime of surgeryOvarian cancer patientsNeoadjuvant chemotherapy treatmentOvarian cancer xenograftsHealthy organsVivo visualizationTime of intervalBackground fluorescence ratioClostridium perfringens enterotoxinChemotherapy-naïveMicrometastatic diseaseMalignant ascitesOvarian diseaseResidual diseaseOvarian tumorsCancer patientsCancer xenograftsChemotherapy treatmentIP injectionOvarian cancerNeratinib shows efficacy in the treatment of HER2 amplified carcinosarcoma in vitro and in vivo
Schwab CL, English DP, Black J, Bellone S, Lopez S, Cocco E, Bonazzoli E, Bussi B, Predolini F, Ferrari F, Ratner E, Silasi DA, Azodi M, Rutherford T, Schwartz PE, Santin AD. Neratinib shows efficacy in the treatment of HER2 amplified carcinosarcoma in vitro and in vivo. Gynecologic Oncology 2015, 139: 112-117. PMID: 26260909, PMCID: PMC4587290, DOI: 10.1016/j.ygyno.2015.08.002.Peer-Reviewed Original ResearchConceptsHER2/neuTreatment of HER2Efficacy of neratinibCarcinosarcoma cell lineTumor growthCell linesEffective treatment optionDeadliest gynecologic malignancyG0/G1 phaseCell cycle distributionCell signaling changesActivation of S6Neratinib treatmentGynecologic malignanciesOverall survivalTreatment optionsClinical trialsXenograft growthNew therapiesHER2NeratinibFlow cytometryNeuCycle distributionSignaling changes
2014
Afatinib demonstrates remarkable activity against HER2-amplified uterine serous endometrial cancer in vitro and in vivo
Schwab CL, Bellone S, English DP, Roque DM, Lopez S, Cocco E, Nicoletti R, Bortolomai I, Bonazzoli E, Ratner E, Silasi DA, Azodi M, Schwartz PE, Rutherford TJ, Santin AD. Afatinib demonstrates remarkable activity against HER2-amplified uterine serous endometrial cancer in vitro and in vivo. British Journal Of Cancer 2014, 111: 1750-1756. PMID: 25268372, PMCID: PMC4453741, DOI: 10.1038/bjc.2014.519.Peer-Reviewed Original ResearchMeSH KeywordsAdultAfatinibAgedAged, 80 and overAnimalsApoptosisCell CycleCell ProliferationCystadenocarcinoma, SerousEndometrial NeoplasmsFemaleHumansImmunoenzyme TechniquesIn Situ Hybridization, FluorescenceIn Vitro TechniquesMiceMice, SCIDMiddle AgedPhosphorylationQuinazolinesReceptor, ErbB-2Signal TransductionTumor Cells, CulturedUterine NeoplasmsXenograft Model Antitumor AssaysConceptsUterine serous carcinomaUSC cell linesHER2/neu gene amplificationNeu gene amplificationAfatinib exposureOverall survivalCell linesHER2/neu amplificationEfficacy of afatinibPrimary USC cell linesGrowth of HER2Treatment of HER2Serous endometrial cancerErbB tyrosine kinase inhibitorsHER2/neuTyrosine kinase inhibitorsGene amplificationFlow cytometry assayCell cycle distributionUSC xenograftsEndometrial cancerSerous carcinomaUterine cancerAggressive formTumor xenografts
2011
Eradication of chemotherapy‐resistant CD44+ human ovarian cancer stem cells in mice by intraperitoneal administration of clostridium perfringens enterotoxin
Casagrande F, Cocco E, Bellone S, Richter CE, Bellone M, Todeschini P, Siegel E, Varughese J, Arin‐Silasi D, Azodi M, Rutherford TJ, Pecorelli S, Schwartz PE, Santin AD. Eradication of chemotherapy‐resistant CD44+ human ovarian cancer stem cells in mice by intraperitoneal administration of clostridium perfringens enterotoxin. Cancer 2011, 117: 5519-5528. PMID: 21692061, PMCID: PMC3701957, DOI: 10.1002/cncr.26215.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnimalsCarcinoma, Ovarian EpithelialCell Line, TumorChlorocebus aethiopsClaudin-3ClaudinsClostridium perfringensEnterotoxinsFemaleFlow CytometryHumansHyaluronan ReceptorsInjections, IntraperitonealMiceMice, SCIDMiddle AgedNeoplasms, Glandular and EpithelialNeoplastic Stem CellsOvarian NeoplasmsReal-Time Polymerase Chain ReactionVero CellsXenograft Model Antitumor AssaysConceptsOvarian cancer stem cellsCancer stem cellsClostridium perfringens enterotoxinCPE-induced cytotoxicityIntraperitoneal administrationStem cellsC.B-17/SCID miceChemotherapy-resistant cancer stem cellsHuman ovarian cancer stem cellsPerfringens enterotoxinClaudin-4 genesStem cell linesLong-term survivalOvarian cancer cellsReal-time polymerase chain reactionTight junction proteinsHigh-affinity receptorMultiple intraperitoneal administrationCancer stem cell linesPolymerase chain reactionSmall-interfering RNACell xenograftsSCID miceSignificant inhibitory effectChemotherapy resistance