First-in-human, phase 1 study of PF-06753512, a vaccine-based immunotherapy regimen (VBIR), in non-metastatic hormone-sensitive biochemical recurrence and metastatic castration-resistant prostate cancer (mCRPC)
Autio K, Higano C, Nordquist L, Appleman L, Zhang T, Zhu X, Babiker H, Vogelzang N, Prasad S, Schweizer M, Madan R, Billotte S, Cavazos N, Bogg O, Li R, Chan K, Cho H, Kaneda M, Wang I, Zheng J, Tang S, Hollingsworth R, Kern K, Petrylak D. First-in-human, phase 1 study of PF-06753512, a vaccine-based immunotherapy regimen (VBIR), in non-metastatic hormone-sensitive biochemical recurrence and metastatic castration-resistant prostate cancer (mCRPC). Journal For ImmunoTherapy Of Cancer 2023, 11: e005702. PMID: 36948505, PMCID: PMC10040068, DOI: 10.1136/jitc-2022-005702.Peer-Reviewed Original ResearchConceptsMetastatic castration-resistant prostate cancerAndrogen deprivation therapyRadiographic progression-free survivalCastration-resistant prostate cancerPhase 1 studyBiochemical recurrenceProstate cancerImmunotherapy regimenMedian durationDose escalationMedian radiographic progression-free survivalAntigen-specific T cell responsesImmune-related adverse eventsRecommended phase 2 doseSpecific T cell responsesPhase 2 doseImmune checkpoint inhibitorsModest antitumor activityObjective response rateProgression-free survivalAntigen-specific immunityT cell responsesInfluenza-like illnessSignificant side effectsDeprivation therapy