2020
The association of humoral antigen spread (AgS) with cytotoxic T lymphocyte (CTL) activity after sipuleucel-T (sip-T) treatment in two phase II clinical studies: STAMP and STRIDE.
Petrylak D, Antonarakis E, Kandadi H, Fong L, Lance R, Vu T, Sheikh N, Shore N, Drake C. The association of humoral antigen spread (AgS) with cytotoxic T lymphocyte (CTL) activity after sipuleucel-T (sip-T) treatment in two phase II clinical studies: STAMP and STRIDE. Journal Of Clinical Oncology 2020, 38: 112-112. DOI: 10.1200/jco.2020.38.6_suppl.112.Peer-Reviewed Original ResearchCTL activityAntibody responseAntigen spreadMetastatic castration-resistant prostate cancerCytotoxic T lymphocyte activityCastration-resistant prostate cancerPhase II clinical studyAg responseImproved overall survivalSipuleucel-T treatmentSpecific CTL activityTumor immunity cycleT lymphocyte activityII clinical studySecondary antibody responseRank testSpearman rank testCD107a expressionSpecific CD8Immunity cycleOverall survivalLymphocyte activityAntigen responseMultiple time pointsProstate cancer
2018
Antigen-Specific CD8 Lytic Phenotype Induced by Sipuleucel-T in Hormone-Sensitive or Castration-Resistant Prostate Cancer and Association with Overall Survival
Antonarakis ES, Small EJ, Petrylak D, Quinn DI, Kibel AS, Chang NN, Dearstyne E, Harmon M, Campogan D, Haynes H, Vu T, Sheikh NA, Drake CG. Antigen-Specific CD8 Lytic Phenotype Induced by Sipuleucel-T in Hormone-Sensitive or Castration-Resistant Prostate Cancer and Association with Overall Survival. Clinical Cancer Research 2018, 24: 4662-4671. PMID: 29858218, PMCID: PMC6481607, DOI: 10.1158/1078-0432.ccr-18-0638.Peer-Reviewed Original ResearchMeSH KeywordsAcid PhosphataseCD8-Positive T-LymphocytesCell Line, TumorCell ProliferationClinical Trials as TopicGene Expression Regulation, NeoplasticGranulocyte-Macrophage Colony-Stimulating FactorHumansLysosomal-Associated Membrane Protein 1MaleNeoplasm MetastasisNeoplasms, Hormone-DependentProstatic Neoplasms, Castration-ResistantRecombinant Fusion ProteinsT-Lymphocytes, CytotoxicTissue ExtractsConceptsSipuleucel-T treatmentMetastatic castration-resistant prostate cancerProstatic acid phosphataseOverall survivalCTL activityWeek 26Immune responseWeek 6Peripheral cellular immune responsesCytotoxic T lymphocyte activityCastration-resistant prostate cancerEfficacy of sipuleucelImproved overall survivalMedian overall survivalT lymphocyte activityT cell responsesCellular immune responsesT cell proliferationClin Cancer ResHealthy volunteer samplesCD107a expressionLonger OSLymphocyte activityCytolytic responsesTertile analysis
2017
Sipuleucel-T (sip-T) induced lytic CD8+ T cell responses to target antigens in men with hormone-sensitive and castration-resistant prostate cancer (CRPC).
Antonarakis E, Quinn D, Kibel A, Petrylak D, Vu T, Campogan D, Chang N, Trager J, Sheikh N, Drake C. Sipuleucel-T (sip-T) induced lytic CD8+ T cell responses to target antigens in men with hormone-sensitive and castration-resistant prostate cancer (CRPC). Journal Of Clinical Oncology 2017, 35: 162-162. DOI: 10.1200/jco.2017.35.7_suppl.162.Peer-Reviewed Original ResearchCastration-resistant prostate cancerT cell responsesCarboxyfluorescein succinimidyl esterProstatic acid phosphataseCTL activityCell responsesLytic abilityT cellsImmune responseProliferative responseSymptomatic metastatic castration-resistant prostate cancerAutologous peripheral blood mononuclear cellsMetastatic castration-resistant prostate cancerAntigen-specific CTL activityPeripheral blood mononuclear cellsSubset of ptsAntigen-specific CD8Vitro antigen stimulationBlood mononuclear cellsGranulocyte-macrophage colony-stimulating factorTumor cell lysisIntracellular granzyme BMononuclear blood cellsMacrophage colony-stimulating factorColony-stimulating factor