2023
Uterine leiomyosarcomas harboring MAP2K4 gene amplification are sensitive in vivo to PLX8725, a novel MAP2K4 inhibitor
McNamara B, Harold J, Manavella D, Bellone S, Mutlu L, Hartwich T, Zipponi M, Yang-Hartwich Y, Demirkiran C, Verzosa M, Yang K, Choi J, Dong W, Buza N, Hui P, Altwerger G, Huang G, Andikyan V, Clark M, Ratner E, Azodi M, Schwartz P, Burton E, Inagaki H, Albers A, Zhang C, Bollag G, Schlessinger J, Santin A. Uterine leiomyosarcomas harboring MAP2K4 gene amplification are sensitive in vivo to PLX8725, a novel MAP2K4 inhibitor. Gynecologic Oncology 2023, 172: 65-71. PMID: 36958197, PMCID: PMC10192120, DOI: 10.1016/j.ygyno.2023.03.009.Peer-Reviewed Original ResearchConceptsUterine leiomyosarcomaPDX modelsGain of functionMedian overall survivalPhase I trialOral gavage dailyVivo activityTumor growth inhibitionTumor volume differencesTumor cell proliferationOverall survivalTolerable toxicityI trialOral treatmentTreatment cohortsGavage dailyAggressive tumorsSCID miceULMS patientsPK studiesTumor samplesWestern blotCell proliferationControl vehicleLeiomyosarcoma
2022
Elimusertib (BAY1895344), a novel ATR inhibitor, demonstrates in vivo activity in ATRX mutated models of uterine leiomyosarcoma
Harold J, Bellone S, Manavella D, Mutlu L, McNamara B, Hartwich T, Zipponi M, Yang-Hartwich Y, Demirkiran C, Verzosa M, Choi J, Dong W, Buza N, Hui P, Altwerger G, Huang G, Andikyan V, Clark M, Ratner E, Azodi M, Schwartz P, Santin A. Elimusertib (BAY1895344), a novel ATR inhibitor, demonstrates in vivo activity in ATRX mutated models of uterine leiomyosarcoma. Gynecologic Oncology 2022, 168: 157-165. PMID: 36442427, PMCID: PMC9797429, DOI: 10.1016/j.ygyno.2022.11.014.Peer-Reviewed Original ResearchConceptsPatient-derived xenograftsUterine leiomyosarcomaVivo activityVehicle control treatmentMedian overall survivalTumor volume differencesOral scheduleWestern blot analysisOverall survivalOral gavageAggressive malignancyPDX modelsClinical trialsSCID miceTumor measurementsULMS patientsSignificant growth inhibitionNovel ATR inhibitorTumor samplesSignificant toxicityWestern blotKinase inhibitorsATRX mutationsGene mutationsControl vehicle
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