Antibody-drug conjugates (ADCs) have emerged as a promising therapeutic option, combining the specificity of monoclonal antibodies with the potency of cytotoxic payloads. While initially developed for hematologic and select solid malignancies, advances in antigen discovery, linker chemistry, and payload design have expanded their application to metastatic castration-resistant prostate cancer, where treatment options remain limited. Prostate-specific membrane antigen (PSMA), STEAP-1, TROP-2, CD46, Nectin-4, tissue factor, B7-H3, and DLL3 have emerged as clinically relevant targets, with multiple ADCs evaluated in early and late-phase trials. Although early-generation drugs were hindered by modest efficacy and significant toxicity due to linker instability and off-target effects, some novel ADCs have shown improved tolerability and encouraging antitumor activity. Ongoing studies are exploring rational combinations with hormonal, other targeted, and immune-based therapies to enhance efficacy, overcome resistance, and expand the role of ADCs in advanced prostate cancer. Herein, we provide a comprehensive overview of the clinical development of ADCs in advanced prostate cancer.
Özay et al. (Sun,) studied this question.
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