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Updated: Jun 13, 2025

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
Published on: March 6, 2018
Developmental Therapeutics in Metastatic Prostate Cancer: New Targets and New Strategies
Jingsong Zhang1, Juskaran S Chadha1
1Department of Genitourinary Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA.
Abstract:
There is an unmet need to develop new treatments for metastatic prostate cancer. With the development of targeted radioligand therapies, bispecific T cell engagers, antibody-drug conjugates and chimeric antigen receptor T cell (CAR T) therapies, tumor-associated cell surface antigens have emerged as new therapeutic targets in metastatic prostate cancer. Ongoing and completed clinical trials targeting prostate-specific membrane antigen (PSMA), six transmembrane epithelial antigens of the prostate 1 (STEAP1), kallikrein-related peptidase 2 (KLK2), prostate stem cell antigen (PSCA), and delta-like protein 3 (DLL3) in metastatic prostate cancer were reviewed. Strategies for sequential or combinational therapy were discussed.
Insights
New targeted therapies are emerging for metastatic prostate cancer, focusing on cell surface antigens like PSMA and STEAP1. Clinical trials are exploring these targets and combination strategies for improved treatment outcomes.
Area of Science:
- Oncology
- Medical Science
Background:
- Metastatic prostate cancer treatment remains a significant clinical challenge.
- Emerging targeted therapies offer new hope for patients with advanced disease.
Purpose of the Study:
- To review current clinical trials targeting tumor-associated cell surface antigens in metastatic prostate cancer.
- To discuss novel therapeutic strategies, including radioligand therapy, bispecific T cell engagers, antibody-drug conjugates, and CAR T cell therapies.
- To explore sequential and combinational treatment approaches.
Main Methods:
- Review of ongoing and completed clinical trials.
- Identification of key therapeutic targets such as prostate-specific membrane antigen (PSMA), STEAP1, KLK2, PSCA, and DLL3.
- Analysis of therapeutic strategies and their potential combinations.
Main Results:
- Several tumor-associated cell surface antigens are being actively targeted in clinical trials.
- Promising therapeutic agents include radioligand therapies, bispecific T cell engagers, antibody-drug conjugates, and CAR T cell therapies.
- Sequential and combination therapy strategies are under investigation to enhance treatment efficacy.
Conclusions:
- Targeting cell surface antigens represents a promising frontier in metastatic prostate cancer treatment.
- The development of novel agents and strategic combinations holds potential for improved patient outcomes.
- Further clinical investigation is warranted to optimize these innovative therapeutic approaches.
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