2021
Molecular correlates of response to eribulin and pembrolizumab in hormone receptor-positive metastatic breast cancer
Keenan TE, Guerriero JL, Barroso-Sousa R, Li T, O’Meara T, Giobbie-Hurder A, Tayob N, Hu J, Severgnini M, Agudo J, Vaz-Luis I, Anderson L, Attaya V, Park J, Conway J, He MX, Reardon B, Shannon E, Wulf G, Spring LM, Jeselsohn R, Krop I, Lin NU, Partridge A, Winer EP, Mittendorf EA, Liu D, Van Allen EM, Tolaney SM. Molecular correlates of response to eribulin and pembrolizumab in hormone receptor-positive metastatic breast cancer. Nature Communications 2021, 12: 5563. PMID: 34548479, PMCID: PMC8455578, DOI: 10.1038/s41467-021-25769-z.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntibodies, Monoclonal, HumanizedAntigen PresentationAntineoplastic Combined Chemotherapy ProtocolsB7-H1 AntigenBreast NeoplasmsCytokinesDrug Resistance, NeoplasmEstrogensFemaleFuransGene Expression ProfilingGenetic HeterogeneityGenome, HumanGenomicsHumansImmune Checkpoint InhibitorsKetonesLymphocytes, Tumor-InfiltratingMaleMiddle AgedMutationNeoplasm MetastasisReceptors, EstrogenReceptors, ProgesteroneSignal TransductionSurvival RateTreatment OutcomeConceptsImmune checkpoint inhibitorsBreast cancerHormone receptor-positive metastatic breast cancerHormone receptor-positive breast cancerFinal overall survival resultsRandomized phase 2 trialReceptor-positive breast cancerMinimal therapeutic effectPhase 2 trialMetastatic breast cancerOverall survival resultsPre-treatment tumorsCheckpoint inhibitorsCytokine changesICI responseCombination therapyImmune infiltrationImmunoregulatory cytokinesSurvival resultsAntigen presentationTherapeutic effectTherapeutic validationCancerMolecular correlatesTumor heterogeneitySaci-IO HR+: Randomized phase II trial of sacituzumab govitecan (SG) +/- pembrolizumab in PD-L1+ hormone receptor-positive (HR+) / HER2- metastatic breast cancer (MBC).
Garrido-Castro A, Keenan T, Li T, Lange P, Callahan C, Guerriero J, Tayob N, Anderson L, Stover D, Gogineni K, Carey L, Nanda R, Winer E, Mittendorf E, Tolaney S. Saci-IO HR+: Randomized phase II trial of sacituzumab govitecan (SG) +/- pembrolizumab in PD-L1+ hormone receptor-positive (HR+) / HER2- metastatic breast cancer (MBC). Journal Of Clinical Oncology 2021, 39: tps1102-tps1102. DOI: 10.1200/jco.2021.39.15_suppl.tps1102.Peer-Reviewed Original ResearchProgression-free survivalImmune checkpoint inhibitorsMedian progression-free survivalRandomized phase II trialCombined positive scorePhase II trialSacituzumab govitecanII trialPD-L1Anti-PD-1/L1 antibodyPD-1/L1 inhibitorsHER2- metastatic breast cancerAntibody-dependent cellular cytotoxicityT cell effector functionPrior hormonal therapyPD-L1 expressionAntitumor immune responseChronic antigen stimulationHealth-related qualityKey eligibility criteriaRegulatory T cellsT cell dysfunctionCell effector functionsOne-sided alphaImmune cell receptorsSaci-IO TNBC: Randomized phase II trial of sacituzumab govitecan (SG) +/- pembrolizumab in PD-L1– metastatic triple-negative breast cancer (mTNBC).
Garrido-Castro A, Keenan T, Li T, Lange P, Callahan C, Guerriero J, Tayob N, Anderson L, Yam C, Daniel B, Carey L, Nanda R, Winer E, Mittendorf E, Tolaney S. Saci-IO TNBC: Randomized phase II trial of sacituzumab govitecan (SG) +/- pembrolizumab in PD-L1– metastatic triple-negative breast cancer (mTNBC). Journal Of Clinical Oncology 2021, 39: tps1106-tps1106. DOI: 10.1200/jco.2021.39.15_suppl.tps1106.Peer-Reviewed Original ResearchMetastatic triple-negative breast cancerProgression-free survivalImmune checkpoint inhibitorsMedian progression-free survivalRandomized phase II trialPhase II trialSacituzumab govitecanPD-L1II trialImmune cellsBreast cancerAnti-PD-1/L1 antibodyPD-1/L1 inhibitorsAntibody-dependent cellular cytotoxicityT cell effector functionTriple-negative breast cancerPrior systemic therapyPD-L1 expressionAntitumor immune responseChronic antigen stimulationHealth-related qualityKey eligibility criteriaRegulatory T cellsT cell dysfunctionCell effector functionsAtezolizumab and nab-Paclitaxel in Advanced Triple-Negative Breast Cancer: Biomarker Evaluation of the IMpassion130 Study
Emens LA, Molinero L, Loi S, Rugo HS, Schneeweiss A, Diéras V, Iwata H, Barrios CH, Nechaeva M, Nguyen-Duc A, Chui SY, Husain A, Winer EP, Adams S, Schmid P. Atezolizumab and nab-Paclitaxel in Advanced Triple-Negative Breast Cancer: Biomarker Evaluation of the IMpassion130 Study. Journal Of The National Cancer Institute 2021, 113: 1005-1016. PMID: 33523233, PMCID: PMC8328980, DOI: 10.1093/jnci/djab004.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerMetastatic triple-negative breast cancerProgression-free survivalPD-L1Tumor immune microenvironmentBreast cancerIntratumoral CD8Nab-paclitaxelClinical benefitImmune microenvironmentImmune cellsBRCA1/2 mutationsAdvanced triple-negative breast cancerStromal tumor-infiltrating lymphocytesNab-paclitaxel 100Immune checkpoint inhibitorsOverall survival benefitTumor-infiltrating lymphocytesMetastatic tumor tissueBRCA1/2 mutation statusCheckpoint inhibitorsOverall survivalSurvival benefitImmune biomarkersClinical activity
2020
Tumor Mutational Burden and PTEN Alterations as Molecular Correlates of Response to PD-1/L1 Blockade in Metastatic Triple-Negative Breast Cancer
Barroso-Sousa R, Keenan TE, Pernas S, Exman P, Jain E, Garrido-Castro AC, Hughes M, Bychkovsky B, Umeton R, Files JL, Lindeman NI, MacConaill LE, Hodi FS, Krop IE, Dillon D, Winer EP, Wagle N, Lin NU, Mittendorf EA, Van Allen EM, Tolaney SM. Tumor Mutational Burden and PTEN Alterations as Molecular Correlates of Response to PD-1/L1 Blockade in Metastatic Triple-Negative Breast Cancer. Clinical Cancer Research 2020, 26: 2565-2572. PMID: 32019858, PMCID: PMC7269810, DOI: 10.1158/1078-0432.ccr-19-3507.Peer-Reviewed Original ResearchConceptsMetastatic triple-negative breast cancerHigh tumor mutational burdenProgression-free survivalTumor mutational burdenObjective response rateImmune checkpoint inhibitorsAnti-PD-1/L1 therapyTriple-negative breast cancerOverall survivalL1 therapyPD-L1Breast cancerMutational burdenLow objective response rateLonger progression-free survivalShorter progression-free survivalDana-Farber Cancer InstituteTumor genomic featuresShorter overall survivalMutations/megabaseCheckpoint inhibitorsVisceral metastasesL1 blockadePerformance statusPrior lines
2019
A phase II study of pembrolizumab in combination with palliative radiotherapy (RT) for hormone receptor-positive (HR+) metastatic breast cancer (MBC).
Barroso-Sousa R, Krop I, Trippa L, Tan-Wasielewski Z, Li T, Osmani W, Andrews C, Dillon D, Richardson E, Winer E, Mittendorf E, Schoenfeld J, Tolaney S. A phase II study of pembrolizumab in combination with palliative radiotherapy (RT) for hormone receptor-positive (HR+) metastatic breast cancer (MBC). Journal Of Clinical Oncology 2019, 37: 1047-1047. DOI: 10.1200/jco.2019.37.15_suppl.1047.Peer-Reviewed Original ResearchMetastatic breast cancerNeutrophil/lymphocyte ratioObjective response rateProgression-free survivalTumor-infiltrating lymphocytesPalliative radiotherapyAdverse eventsHormone receptor-positive metastatic breast cancerPhase II single-arm studyMedian progression-free survivalCause adverse eventsDistant tumor responsesECOG PS 1Prior cytotoxic therapyImmune checkpoint inhibitorsPD-L1 expressionPD-L1 statusPhase II studySingle-arm studyTotal RT doseUnexpected adverse eventsECOG PSEligible ptsRECIST v1.1Measurable lesionsTUMOR MUTATIONAL BURDEN (TMB) IS A POTENTIAL PREDICTOR OF RESPONSE TO IMMUNE CHECKPOINT INHIBITORS (ICI) IN METASTATIC TRIPLE-NEGATIVE BREAST CANCER (MTNBC)
Sousa R, Tyekucheva S, Exman P, Umeton R, Hodi F, Winer E, Lin N, Tolaney S. TUMOR MUTATIONAL BURDEN (TMB) IS A POTENTIAL PREDICTOR OF RESPONSE TO IMMUNE CHECKPOINT INHIBITORS (ICI) IN METASTATIC TRIPLE-NEGATIVE BREAST CANCER (MTNBC). 2019, 5-5. DOI: 10.29289/259453942019v29s1g04.Peer-Reviewed Original Research