2021
Tucatinib versus placebo added to trastuzumab and capecitabine for patients with pretreated HER2+ metastatic breast cancer with and without brain metastases (HER2CLIMB): final overall survival analysis
Curigliano G, Mueller V, Borges V, Hamilton E, Hurvitz S, Loi S, Murthy R, Okines A, Paplomata E, Cameron D, Carey L, Gelmon K, Hortobagyi G, Krop I, Loibl S, Pegram M, Slamon D, Ramos J, Feng W, Winer E. Tucatinib versus placebo added to trastuzumab and capecitabine for patients with pretreated HER2+ metastatic breast cancer with and without brain metastases (HER2CLIMB): final overall survival analysis. Annals Of Oncology 2021, 33: 321-329. PMID: 34954044, DOI: 10.1016/j.annonc.2021.12.005.Peer-Reviewed Original ResearchConceptsProgression-free survivalMetastatic breast cancerPlacebo-combination groupOverall survivalCombination groupBreast cancerHER2CLIMB trialBrain metastasesMedian durationSafety outcomesPrimary analysisFinal overall survival analysisHuman epidermal growth factor receptor 2 positive metastatic breast cancerPositive metastatic breast cancerMeaningful survival benefitMedian overall survivalPlacebo-controlled trialOverall study populationOverall survival analysisFinal OSMetastatic HER2Placebo combinationAdverse eventsLast patientPrespecified subgroupsUpdated results of tucatinib versus placebo added to trastuzumab and capecitabine for patients with pretreated HER2+ metastatic breast cancer with and without brain metastases (HER2CLIMB).
Curigliano G, Mueller V, Borges V, Hamilton E, Hurvitz S, Loi S, Murthy R, Okines A, Paplomata E, Cameron D, Carey L, Gelmon K, Hortobagyi G, Krop I, Loibl S, Pegram M, Slamon D, Ramos J, Zhang C, Winer E. Updated results of tucatinib versus placebo added to trastuzumab and capecitabine for patients with pretreated HER2+ metastatic breast cancer with and without brain metastases (HER2CLIMB). Journal Of Clinical Oncology 2021, 39: 1043-1043. DOI: 10.1200/jco.2021.39.15_suppl.1043.Peer-Reviewed Original ResearchMetastatic breast cancerBrain metastasesOverall survivalTyrosine kinase inhibitorsBreast cancerPlacebo armAnalysis of OSOral tyrosine kinase inhibitorECOG performance statusPlacebo-controlled trialTotal study populationKaplan-Meier timeHER2CLIMB trialMeaningful prolongationMetastatic HER2Study medicationTolerability assessmentsMetastatic settingAdverse eventsDose modificationHazard ratioLast patientPerformance statusDisease progressionStudy populationPharmacokinetic (PK) analyses in CSF and plasma from TBCRC049, an ongoing trial to assess the safety and efficacy of the combination of tucatinib, trastuzumab and capecitabine for the treatment of leptomeningeal metastasis (LM) in HER2 positive breast cancer.
Stringer-Reasor E, O'Brien B, Topletz-Erickson A, White J, Lobbous M, Riley K, Childress J, LaMaster K, Melisko M, Morikawa A, De Groot J, Krop I, Valero V, Rimawi M, Wolff A, Tripathy D, Lin N, Murthy R. Pharmacokinetic (PK) analyses in CSF and plasma from TBCRC049, an ongoing trial to assess the safety and efficacy of the combination of tucatinib, trastuzumab and capecitabine for the treatment of leptomeningeal metastasis (LM) in HER2 positive breast cancer. Journal Of Clinical Oncology 2021, 39: 1044-1044. DOI: 10.1200/jco.2021.39.15_suppl.1044.Peer-Reviewed Original ResearchLeptomeningeal metastasesBrain metastasesBreast cancerPharmacokinetic analysisPhase 2 single-arm studyHER2-positive breast cancerCombination of tucatinibNew brain metastasesSingle-arm studyPositive breast cancerTyrosine kinase inhibitorsHigh interindividual variabilityMetastatic HER2Accrual goalEligible patientsMetastatic settingPrimary endpointOverall survivalOmmaya reservoirOngoing trialsPlasma concentrationsCapecitabinePatientsDay 1PK samples
2020
A phase Ib study of pembrolizumab (pembro) plus trastuzumab emtansine (T-DM1) for metastatic HER2+ breast cancer (MBC).
Waks A, Keenan T, Li T, Tayob N, Wulf G, Richardson E, Mittendorf E, Overmoyer B, Krop I, Winer E, Van Allen E, Agudo J, Tolaney S. A phase Ib study of pembrolizumab (pembro) plus trastuzumab emtansine (T-DM1) for metastatic HER2+ breast cancer (MBC). Journal Of Clinical Oncology 2020, 38: 1046-1046. DOI: 10.1200/jco.2020.38.15_suppl.1046.Peer-Reviewed Original ResearchObjective response rateProgression-free survivalAdverse eventsT-DM1PD-L1 combined positive scoreTumor-infiltrating lymphocyte (TIL) statusClinical benefit rateDose-finding cohortMedian age 54Phase 2 dosePhase Ib studyCombined positive scoreAnti-PD1 antibodyPhase 1 trialDe-escalation designEligible patientsLymphocyte statusMetastatic HER2Expansion cohortOral mucositisPrimary endpointSecondary endpointsAntitumor immunityImmune signaturesPrior linesAntitumor Activity and Safety of Trastuzumab Deruxtecan in Patients With HER2-Low–Expressing Advanced Breast Cancer: Results From a Phase Ib Study
Modi S, Park H, Murthy RK, Iwata H, Tamura K, Tsurutani J, Moreno-Aspitia A, Doi T, Sagara Y, Redfern C, Krop IE, Lee C, Fujisaki Y, Sugihara M, Zhang L, Shahidi J, Takahashi S. Antitumor Activity and Safety of Trastuzumab Deruxtecan in Patients With HER2-Low–Expressing Advanced Breast Cancer: Results From a Phase Ib Study. Journal Of Clinical Oncology 2020, 38: 1887-1896. PMID: 32058843, PMCID: PMC7280051, DOI: 10.1200/jco.19.02318.Peer-Reviewed Original ResearchConceptsInterstitial lung diseaseHER2-low breast cancerT-DXdBreast cancerTrastuzumab deruxtecanAntitumor activityConfirmed objective response rateTopoisomerase I inhibitor payloadTreatment-emergent adverse eventsHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Breast cancer refractoryIndependent adjudication committeeObjective response ratePhase Ib studyAdvanced breast cancerGrowth factor receptor 2Preliminary antitumor activityIndependent central reviewWithdrawal of consentFactor receptor 2Cancer refractoryEligible patientsMetastatic HER2Unacceptable toxicity