A Randomized Placebo Controlled Phase II Trial Evaluating Exemestane with or without Enzalutamide in Patients with Hormone Receptor–Positive Breast Cancer
Krop I, Abramson V, Colleoni M, Traina T, Holmes F, Garcia-Estevez L, Hart L, Awada A, Zamagni C, Morris PG, Schwartzberg L, Chan S, Gucalp A, Biganzoli L, Steinberg J, Sica L, Trudeau M, Markova D, Tarazi J, Zhu Z, O'Brien T, Kelly C, Winer E, Yardley D. A Randomized Placebo Controlled Phase II Trial Evaluating Exemestane with or without Enzalutamide in Patients with Hormone Receptor–Positive Breast Cancer. Clinical Cancer Research 2020, 26: 6149-6157. PMID: 32988969, DOI: 10.1158/1078-0432.ccr-20-1693.Peer-Reviewed Original ResearchConceptsProgression-free survivalHormone receptor-positive breast cancerReceptor-positive breast cancerPhase II trialEndocrine therapyBreast cancerII trialAR mRNACohort 1Higher AR mRNA levelsLower ESR1 mRNA levelsET-naïve patientsGrade adverse eventsPrior endocrine therapyMetastatic breast cancerAndrogen receptor inhibitorMRNA levelsAR mRNA levelsESR1 mRNA levelsEnzalutamide armITT populationTreat populationAdvanced diseasePrimary endpointAdverse eventsPrimary analysis of KAITLIN: A phase III study of trastuzumab emtansine (T-DM1) + pertuzumab versus trastuzumab + pertuzumab + taxane, after anthracyclines as adjuvant therapy for high-risk HER2-positive early breast cancer (EBC).
Harbeck N, Im S, Barrios C, Bonnefoi H, Gralow J, Toi M, Ellis P, Gianni L, Swain S, Im Y, De Laurentiis M, Nowecki Z, Shah J, Boulet T, Liu H, Macharia H, Trask P, Song C, Winer E, Krop I. Primary analysis of KAITLIN: A phase III study of trastuzumab emtansine (T-DM1) + pertuzumab versus trastuzumab + pertuzumab + taxane, after anthracyclines as adjuvant therapy for high-risk HER2-positive early breast cancer (EBC). Journal Of Clinical Oncology 2020, 38: 500-500. DOI: 10.1200/jco.2020.38.15_suppl.500.Peer-Reviewed Original ResearchHER2-positive early breast cancerInvasive disease-free survivalEarly breast cancerPatient-reported outcomesCo-primary endpointsStandard of careT-DM1ITT populationOverall survivalAnthracycline-based chemotherapyOpen-label studyDisease-free survivalPhase III studyWeeks of surgeryHigh-risk populationChemotherapy-associated toxicityAdjuvant taxanesConcurrent trastuzumabEndocrine therapySecondary endpointsAdjuvant radiotherapyAdjuvant therapyIII studyNodal statusMore patients