2023
First-in-class oral innate immune activator BXCL701 combined with pembrolizumab, in patients with metastatic castration-resistant prostate cancer (mCRPC) of small cell neuroendocrine (SCNC) variant: Randomized phase 2b trial.
Aggarwal R, Zhang J, Monk P, Zhu X, Costin D, Petrylak D, Borderies P, Deshpande R, Hafeez A, O'Neill V, Tagawa S. First-in-class oral innate immune activator BXCL701 combined with pembrolizumab, in patients with metastatic castration-resistant prostate cancer (mCRPC) of small cell neuroendocrine (SCNC) variant: Randomized phase 2b trial. Journal Of Clinical Oncology 2023, 41: tps5109-tps5109. DOI: 10.1200/jco.2023.41.16_suppl.tps5109.Peer-Reviewed Original ResearchMetastatic castration-resistant prostate cancerSerious adverse eventsPartial responsePrimary endpointPhase 2aRandomized Phase 2b TrialCastration-resistant prostate cancerOral small-molecule inhibitorPhase 2b trialPrime immune cellsRECIST 1.1 criteriaDisease control rateImmune checkpoint inhibitorsPhase 2 studyPlatinum-based chemotherapyDuration of responsePotential predictive biomarkersImmune effector cellsMeasurable diseaseNeuroendocrine variantPSA-PFSRECIST 1.1Safety populationCheckpoint inhibitorsData cutoffFirst-in-class oral innate immune activator BXCL701 combined with pembrolizumab in patients with metastatic, castration-resistant prostate cancer (mCRPC) of small cell neuroendocrine (SCNC) phenotype: Phase 2a final results.
Aggarwal R, Zhang J, Zhu X, Monk P, Jones R, Linch M, Costin D, De Bono J, Karsh L, Petrylak D, Borderies P, Deshpande R, Hafeez A, O'Neill V, Tagawa S. First-in-class oral innate immune activator BXCL701 combined with pembrolizumab in patients with metastatic, castration-resistant prostate cancer (mCRPC) of small cell neuroendocrine (SCNC) phenotype: Phase 2a final results. Journal Of Clinical Oncology 2023, 41: 176-176. DOI: 10.1200/jco.2023.41.6_suppl.176.Peer-Reviewed Original ResearchEvaluable patientsMedian durationDay 1Castration-resistant prostate cancerOral small-molecule inhibitorEncouraging anti-tumor activityImmune-related AEPrime immune cellsAcceptable safety profilePhase 2 studyDurability of responsePlatinum-based chemotherapyImmune effector cellsStandard of careAnti-tumor activityComposite respondersRECIST respondersBID dosingCheckpoint inhibitorsMCRPC patientsPrimary endpointRECIST 1.1Acceptable tolerabilityAdverse eventsCytotoxic chemotherapy
2022
BXCL701: First-in-class oral activator of systemic innate immunity combined with pembrolizumab, in patients with metastatic castration-resistant prostate cancer (mCRPC) of adenocarcinoma phenotype—Phase 2a results.
Zhang J, Aggarwal R, Tagawa S, Linch M, Petrylak D, Costin D, De Bono J, Jones R, Karsh L, Zhu X, Borderies P, Deshpande R, O'Neill V, Monk P. BXCL701: First-in-class oral activator of systemic innate immunity combined with pembrolizumab, in patients with metastatic castration-resistant prostate cancer (mCRPC) of adenocarcinoma phenotype—Phase 2a results. Journal Of Clinical Oncology 2022, 40: 125-125. DOI: 10.1200/jco.2022.40.6_suppl.125.Peer-Reviewed Original ResearchMetastatic castration-resistant prostate cancerAnti-tumor activityEvaluable patientsTaxane chemotherapyPrior linesAndrogen receptorProstate cancerAdenocarcinoma cohortCastration-resistant prostate cancerOral small-molecule inhibitorEncouraging anti-tumor activityBone-only diseaseComposite response rateImmune-related AEPhase 1b/2 studyPrime immune cellsSystemic innate immunityDisease control rateAcceptable safety profileMost prostate cancersAndrogen deprivation treatmentImmune effector cellsCTC conversionMeasurable diseaseRECIST 1.1BXCL701: First-in-class oral activator of systemic innate immunity combined with pembrolizumab, in patients with metastatic castration-resistant prostate cancer (mCRPC) of small-cell neuroendocrine carcinoma (SCNC) phenotype—Phase 2a interim results.
Tagawa S, Zhang J, Monk P, Zhu X, Jones R, Linch M, Costin D, De Bono J, Karsh L, Petrylak D, Borderies P, Deshpande R, O'Neill V, Aggarwal R. BXCL701: First-in-class oral activator of systemic innate immunity combined with pembrolizumab, in patients with metastatic castration-resistant prostate cancer (mCRPC) of small-cell neuroendocrine carcinoma (SCNC) phenotype—Phase 2a interim results. Journal Of Clinical Oncology 2022, 40: 126-126. DOI: 10.1200/jco.2022.40.6_suppl.126.Peer-Reviewed Original ResearchSmall cell neuroendocrine carcinomaMetastatic castration-resistant prostate cancerEvaluable patientsAnti-tumor activityPrior linesCastration-resistant prostate cancerOral small-molecule inhibitorEncouraging anti-tumor activityBone-only diseaseComposite response rateImmune-related AEPhase 1b/2 studyPrime immune cellsSystemic innate immunityAcceptable safety profileImmune effector cellsStandard of careInterim resultsStage 1Prior chemotherapyRECIST 1.1Unconfirmed PRBID dosingCheckpoint inhibitorsMCRPC patients