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 lines
2016
Immune Signatures Following Single Dose Trastuzumab Predict Pathologic Response to PreoperativeTrastuzumab and Chemotherapy in HER2-Positive Early Breast Cancer
Varadan V, Gilmore H, Miskimen KL, Tuck D, Parsai S, Awadallah A, Krop IE, Winer EP, Bossuyt V, Somlo G, Abu-Khalaf MM, Fenton MA, Sikov W, Harris L. Immune Signatures Following Single Dose Trastuzumab Predict Pathologic Response to PreoperativeTrastuzumab and Chemotherapy in HER2-Positive Early Breast Cancer. Clinical Cancer Research 2016, 22: 3249-3259. PMID: 26842237, PMCID: PMC5439498, DOI: 10.1158/1078-0432.ccr-15-2021.Peer-Reviewed Original ResearchMeSH KeywordsAlbuminsAntineoplastic Agents, ImmunologicalBiomarkers, TumorB-LymphocytesBreast NeoplasmsFemaleGene Expression ProfilingHumansImmunity, InnateLymphocyte ActivationMacrophagesMiddle AgedNeoadjuvant TherapyPaclitaxelProgrammed Cell Death 1 ReceptorReceptor, ErbB-2T-Lymphocytes, Helper-InducerTrastuzumabTreatment OutcomeConceptsPathologic complete responseBreast cancerImmune indicesBrief exposureFollicular helper T (Tfh) cell signatureHER2-positive breast cancerPD-1 positivitySingle-agent trastuzumabTrastuzumab-based therapyT cell activityT-cell signatureImmune cell infiltrationTumor core biopsiesImmune cell activationPreoperative trastuzumabNab-paclitaxelAntitumor immunityImmune signaturesPCR rateComplete responseMulticenter trialPD-1Cell infiltrationCore biopsyIntrinsic subtypes