2024
The HER2-directed antibody-drug conjugate DHES0815A in advanced and/or metastatic breast cancer: preclinical characterization and phase 1 trial results
Lewis G, Li G, Guo J, Yu S, Fields C, Lee G, Zhang D, Dragovich P, Pillow T, Wei B, Sadowsky J, Leipold D, Wilson T, Kamath A, Mamounas M, Lee M, Saad O, Choeurng V, Ungewickell A, Monemi S, Crocker L, Kalinsky K, Modi S, Jung K, Hamilton E, LoRusso P, Krop I, Schutten M, Commerford R, Sliwkowski M, Cho E. The HER2-directed antibody-drug conjugate DHES0815A in advanced and/or metastatic breast cancer: preclinical characterization and phase 1 trial results. Nature Communications 2024, 15: 466. PMID: 38212321, PMCID: PMC10784567, DOI: 10.1038/s41467-023-44533-z.Peer-Reviewed Original ResearchConceptsHER2 antibody-drug conjugatesAntibody-drug conjugatesMetastatic breast cancerPhase 1 trialBreast cancerHER2-positive metastatic breast cancerHER2-positive breast cancerObjective response rateDose-escalation studyDuration of responseModel of HER2Anti-tumor activityMechanism of actionTrastuzumab deruxtecanPulmonary toxicityTrastuzumab emtansinePreclinical characterizationResponse rateHigh dosesVivo efficacySecondary objectiveEarly signsPotent cytotoxic agentCytotoxic agentsCancer
2019
A phase Ib, open-label, dose-escalation study of the safety and pharmacology of taselisib (GDC-0032) in combination with either docetaxel or paclitaxel in patients with HER2-negative, locally advanced, or metastatic breast cancer
Abramson VG, Oliveira M, Cervantes A, Wildiers H, Patel MR, Bauer TM, Bedard PL, Becerra C, Richey S, Wei MC, Reyner E, Bond J, Cui N, Wilson TR, Moore HM, Saura C, Krop IE. A phase Ib, open-label, dose-escalation study of the safety and pharmacology of taselisib (GDC-0032) in combination with either docetaxel or paclitaxel in patients with HER2-negative, locally advanced, or metastatic breast cancer. Breast Cancer Research And Treatment 2019, 178: 121-133. PMID: 31368034, DOI: 10.1007/s10549-019-05360-3.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCarcinoma, Non-Small-Cell LungClass I Phosphatidylinositol 3-KinasesDocetaxelFemaleHumansImidazolesLung NeoplasmsMaleMaximum Tolerated DoseMiddle AgedMutationNeoplasm MetastasisOxazepinesPaclitaxelReceptor, ErbB-2Survival AnalysisTreatment OutcomeConceptsNon-small cell lung cancerDose-limiting toxicityMetastatic breast cancerAdverse eventsBreast cancerPhase IbClinical benefit rateDose-expansion studyObjective response ratePhase II doseSerious adverse eventsDose-escalation studyCell lung cancerBenefit-risk profileDays on/2ResultsEighty patientsPrimary endpointSecondary endpointsSafety profileLung cancerBenefit ratePatientsSingle agentResponse rateDocetaxel
2018
Safety and pharmacokinetics of MM-302, a HER2-targeted antibody–liposomal doxorubicin conjugate, in patients with advanced HER2-positive breast cancer: a phase 1 dose-escalation study
Munster P, Krop IE, LoRusso P, Ma C, Siegel BA, Shields AF, Molnár I, Wickham TJ, Reynolds J, Campbell K, Hendriks BS, Adiwijaya BS, Geretti E, Moyo V, Miller KD. Safety and pharmacokinetics of MM-302, a HER2-targeted antibody–liposomal doxorubicin conjugate, in patients with advanced HER2-positive breast cancer: a phase 1 dose-escalation study. British Journal Of Cancer 2018, 119: 1086-1093. PMID: 30361524, PMCID: PMC6219487, DOI: 10.1038/s41416-018-0235-2.Peer-Reviewed Original ResearchConceptsOverall response rateAdverse eventsMM-302Breast cancerAdvanced HER2-positive breast cancerPhase 1 dose-escalation studyPhase 1 dose-escalation trialGrade 3/4 adverse eventsHER2-positive breast cancerAnthracycline-naïve patientsResultsSixty-nine patientsCommon adverse eventsDose-escalation studyDose-escalation trialPalmar-plantar erythrodysesthesiaMetastatic breast cancerFebrile neutropeniaMucosal inflammationPromising efficacyResponse rateTrastuzumabQ3wPatientsMonotherapyNeutropenia
2014
Phase I/II study of pilaralisib (SAR245408) in combination with trastuzumab or trastuzumab plus paclitaxel in trastuzumab-refractory HER2-positive metastatic breast cancer
Tolaney S, Burris H, Gartner E, Mayer IA, Saura C, Maurer M, Ciruelos E, Garcia AA, Campana F, Wu B, Xu Y, Jiang J, Winer E, Krop I. Phase I/II study of pilaralisib (SAR245408) in combination with trastuzumab or trastuzumab plus paclitaxel in trastuzumab-refractory HER2-positive metastatic breast cancer. Breast Cancer Research And Treatment 2014, 149: 151-161. PMID: 25537644, DOI: 10.1007/s10549-014-3248-4.Peer-Reviewed Original ResearchConceptsHER2-positive metastatic breast cancerMetastatic breast cancerAdverse eventsBreast cancerArm 2Arm 1Phase I/II dose-escalation studyMetastatic HER2-positive breast cancerPhase I/II studyTreatment-related adverse eventsHER2-positive breast cancerTreatment-related gradeAcceptable safety profileDose-escalation studyDose-limiting toxicityDose-escalation designPan-class IEvaluable patientsPaclitaxel armPrior taxanePrior trastuzumabErythematous rashII studyPartial responsePeripheral neuropathy
2012
A phase 1 study of weekly dosing of trastuzumab emtansine (T‐DM1) in patients with advanced human epidermal growth factor 2–positive breast cancer
Beeram M, Krop IE, Burris HA, Girish SR, Yu W, Lu MW, Holden SN, Modi S. A phase 1 study of weekly dosing of trastuzumab emtansine (T‐DM1) in patients with advanced human epidermal growth factor 2–positive breast cancer. Cancer 2012, 118: 5733-5740. PMID: 22648179, DOI: 10.1002/cncr.27622.Peer-Reviewed Original ResearchConceptsHER2-positive metastatic breast cancerMetastatic breast cancerAdverse eventsT-DM1Breast cancerTrastuzumab emtansineObjective partial tumor responseTreatment-related adverse eventsClinical benefit rateDose-escalation studyPartial tumor responsePhase 1 studyTotal trastuzumabDose modificationMedian durationWeekly doseWeekly dosingAdditional patientsTumor responseBenefit rateHuman epidermal growth factorEpidermal growth factorPatientsGrowth factorAntitumor activityA phase I/IB dose-escalation study of BEZ235 in combination with trastuzumab in patients with PI3-kinase or PTEN altered HER2+ metastatic breast cancer.
Krop I, Saura C, Rodon Ahnert J, Becerra C, Britten C, Isakoff S, Demanse D, Hackl W, Quadt C, Silva A, Burris H, Abu-Khalaf M, Baselga J. A phase I/IB dose-escalation study of BEZ235 in combination with trastuzumab in patients with PI3-kinase or PTEN altered HER2+ metastatic breast cancer. Journal Of Clinical Oncology 2012, 30: 508-508. DOI: 10.1200/jco.2012.30.15_suppl.508.Peer-Reviewed Original ResearchMetastatic breast cancerPI3K pathway alterationsBreast cancerG3 nauseaResistant HER2Disease stabilizationPathway alterationsPI3K/AKT/mTOR pathwayAcceptable safety profileDose-escalation studyAdvanced solid tumorsAKT/mTOR pathwayBreast cancer modelLogistic regression modelsPI3K pathwayG3 fatigueObserved DLTsBrain metastasesPartial responseSkin rashAdverse eventsLiver metastasesDose escalationSafety profileDose levelsResults from a phase Ib study of trastuzumab emtansine (T-DM1), paclitaxel (T), and pertuzumab (P) in patients with HER2-positive metastatic breast cancer (MBC) previously treated with trastuzumab.
Modi S, Elias A, LoRusso P, Samant M, Guardino E, Althaus B, Krop I. Results from a phase Ib study of trastuzumab emtansine (T-DM1), paclitaxel (T), and pertuzumab (P) in patients with HER2-positive metastatic breast cancer (MBC) previously treated with trastuzumab. Journal Of Clinical Oncology 2012, 30: 528-528. DOI: 10.1200/jco.2012.30.15_suppl.528.Peer-Reviewed Original ResearchHER2-positive metastatic breast cancerMetastatic breast cancerT-DM1Prior systemic therapyPhase Ib studyPhase II studyDose-escalation studySingle-agent activityDuration of responseDose escalation schemeFuture clinical trialsDLT criteriaII studyMedian ageSystemic therapyExtension trialPreclinical dataTrastuzumab emtansineClinical trialsMedian numberToxicity CriteriaBreast cancerIb studyPhase IbQ3wPhase I safety, pharmacokinetic, and pharmacodynamic study of the oral phosphatidylinositol-3-kinase and mTOR inhibitor BGT226 in patients with advanced solid tumors
Markman B, Tabernero J, Krop I, Shapiro G, Siu L, Chen L, Mita M, Cuero M, Stutvoet S, Birle D, Anak Ö, Hackl W, Baselga J. Phase I safety, pharmacokinetic, and pharmacodynamic study of the oral phosphatidylinositol-3-kinase and mTOR inhibitor BGT226 in patients with advanced solid tumors. Annals Of Oncology 2012, 23: 2399-2408. PMID: 22357447, DOI: 10.1093/annonc/mds011.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic AgentsBreast NeoplasmsColonic NeoplasmsDiarrheaFemaleFluorodeoxyglucose F18HumansImidazolesMaleMaximum Tolerated DoseMiddle AgedNauseaPhosphoinositide-3 Kinase InhibitorsProstatic NeoplasmsQuinolinesRadionuclide ImagingRadiopharmaceuticalsTOR Serine-Threonine KinasesTreatment OutcomeYoung AdultConceptsAdvanced solid tumorsPreliminary antitumor activityStable diseaseSystemic exposureAdaptive Bayesian logistic regression modelSolid tumorsPhase I dose-escalation studyI dose-escalation studyFluorodeoxyglucose positron emission tomographyStable metabolic diseaseVariable systemic exposureAntitumor activityDose-escalation studyLow systemic exposurePI3K pathway inhibitionDay three timesLogistic regression modelsAdverse eventsDose escalationFluorodeoxyglucose uptakeRapamycin inhibitorsTumor shrinkagePharmacodynamic studiesComputed tomographyMTOR inhibitors
2011
PD09-04: A Phase Ib, Open-Label, Dose-Escalation Study of the Safety and Pharmacology of the PI3-Kinase Inhibitor GDC-0941 in Combination with Paclitaxel and Bevacizumab in Patients with Locally Recurrent or Metastatic Breast Cancer.
Schöffski P, De Benedictis E, Gendreau S, Gianni L, Krop I, Levy G, Ware J, Wildiers H, Winer E. PD09-04: A Phase Ib, Open-Label, Dose-Escalation Study of the Safety and Pharmacology of the PI3-Kinase Inhibitor GDC-0941 in Combination with Paclitaxel and Bevacizumab in Patients with Locally Recurrent or Metastatic Breast Cancer. Cancer Research 2011, 71: pd09-04-pd09-04. DOI: 10.1158/0008-5472.sabcs11-pd09-04.Peer-Reviewed Original ResearchMetastatic BCDay 1Prior treatmentPhase Ib studyDose-escalation studySubclavian vein thrombosisMetastatic breast cancerSingle-agent activityDose-escalation designCycle 1Breast cancer cell linesClass I PI3K isoformsAnti-cancer therapyPI3K pathwayPhosphorylation of AktAdditional DLTsCancer cell linesDrug holidayOpen labelVein thrombosisEscalation designPI3K isoformsLocally RecurrentChemotherapy treatmentCohort 2
2009
A phase I study of weekly dosing of trastuzumab-DM1 (T-DM1) in patients with advanced HER2+ breast cancer.
Krop I, Mita M, Burris H, Birkner M, Girish S, Tibbitts J, Holden S, Lutzker S, Modi S. A phase I study of weekly dosing of trastuzumab-DM1 (T-DM1) in patients with advanced HER2+ breast cancer. Cancer Research 2009, 69: 3136. DOI: 10.1158/0008-5472.sabcs-3136.Peer-Reviewed Original ResearchTrastuzumab-DM1Advanced HER2Antibody-drug conjugatesBreast cancerChemotherapy regimenCycle 1 day 1HER2 antibody-drug conjugatesFirst antibody-drug conjugatePhase IActivity of trastuzumabGrade 4 thrombocytopeniaReversible transaminase elevationT-DM1 exposureDose-escalation studyPhase II trialMeasurable diseaseQ3W dosingTransaminase elevationEscalation studyII trialPartial responseWeekly dosingCardiac toxicityTumor responseClinical trials