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Kairos Pharma Reports Positive, Statistically Significant Interim Efficacy Data from Phase 2 Trial of ENV-105 in Metastatic Prostate Cancer

$KAPAPress releaseOct 6, 2026, 7:30 AM ETRead the release

Kairos Pharma reported positive interim Phase 2 data for ENV-105 (carotuximab) plus apalutamide in metastatic castration-resistant prostate cancer, with a statistically significant PFS benefit (P=0.0008). Median progression-free survival was 17.7 months with the combination versus 2 months with apalutamide alone — a large differential for a first-in-class CD105 antibody targeting drug resistance.

Key figures

Drug Name
ENV-105 (carotuximab)
Phase Of Trial
Phase 2
P value
P=0.0008
Trial completion target
Q4 2027 or earlier
Median pfs control months
2
Median pfs combination months
17.7

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