Advaxis, Inc...today announced the commencement of Part B of the KEYNOTE-046 clinical trial evaluating Advaxis’ Lm immunotherapy candidate, ADXS-PSA, in combination with KEYTRUDA (pembrolizumab) in patients with previously treated, metastatic castration-resistant prostate cancer (mCRPC). In Part A of the Phase 1/2 study, 14 patients were treated with ADXS-PSA monotherapy across three dose levels, with no dose limiting toxicities, paving the way for initiating Part B of the study.
KEYNOTE-046 is a multicenter, open-label, nonrandomized, dose determining, Phase 1/2 trial evaluating the safety of ADXS-PSA. Part B of the study is evaluating the tolerability of ADXS-PSA in combination with KEYTRUDA in 30 patients with mCRPC. Secondary objectives for this study are to evaluate antitumor activity and progression-free survival of ADXS-PSA. KEYNOTE-046 is the first-in-human study of Advaxis' Lm immunotherapy candidate for prostate cancer. It is the second study initiated to evaluate the use of KEYTRUDA in the treatment of advanced prostate cancer.
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