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
2019
929P Biomarker analyses of ramucirumab in patients with platinum refractory urothelial cancer from RANGE, a global, randomized, double-blind, phase III study
van der Heijden M, Powles T, Petrylak D, de Wit R, Chi K, Necchi A, Sternberg C, Matsubara N, Nishiyama H, Castellano D, Hussain S, Bamias A, Hozak R, Rhodes R, Xia M, Rasmussen E, Aggarwal A, Wijayawardana S, Bell-McGuinn K, Drakaki A. 929P Biomarker analyses of ramucirumab in patients with platinum refractory urothelial cancer from RANGE, a global, randomized, double-blind, phase III study. Annals Of Oncology 2019, 30: v373-v374. DOI: 10.1093/annonc/mdz249.028.Peer-Reviewed Original ResearchCombined positive scorePD-L1 statusPersonal feesHazard ratioBasal subtypeMolecular subtypesEli LillyPD-L1 combined positive scorePlatinum-refractory urothelial carcinomaPositive PD-L1 statusTumor cellsSeattle GeneticsExploratory biomarker analysisImmune cell stainingPD-L1 groupRefractory urothelial cancerImproved overall survivalPD-L1 antibodiesPD-L1 immunohistochemistryClaudin-low subtypeRefractory urothelial carcinomaUrothelial carcinoma molecular subtypesArchival tumor tissueBiomarker analysisMedian OS
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 ProteinsTissue ExtractsT-Lymphocytes, CytotoxicConceptsSipuleucel-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
2016
Sipuleucel-T (sip-T)–induced proliferative CD8+ T-cell responses to immunizing and secondary antigens.
Antonarakis E, Quinn D, Kibel A, Petrylak D, Chang N, Cummings C, Chinn J, Pufnock J, Sheikh N, Drake C. Sipuleucel-T (sip-T)–induced proliferative CD8+ T-cell responses to immunizing and secondary antigens. Journal Of Clinical Oncology 2016, 34: 165-165. DOI: 10.1200/jco.2016.34.2_suppl.165.Peer-Reviewed Original ResearchT cell responsesMetastatic castration-resistant prostate cancerProstatic acid phosphataseGranulocyte macrophage-colony stimulating factorSecondary antigensProliferative CD8Immune responseSymptomatic metastatic castration-resistant prostate cancerCell responsesCastration-resistant prostate cancerPeripheral blood mononuclear cellsAntigen-specific CD8Improved overall survivalT-cell involvementCellular immune responsesT cell subpopulationsBlood mononuclear cellsTumor cell lysisMacrophage-colony stimulating factorAntigen spreadEvaluable ptsOverall survivalWeek 26Autologous immunotherapyMononuclear cells