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
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