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Updated: Jan 8, 2026

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
Published on: March 6, 2018
[Poly (ADP-ribose) polymerase inhibitor combination therapy in metastatic castration-resistant prostate cancer]
Carsten Ohlmann1, Christian Gratzke2, Laura-Maria Krabbe3
1Klinik für Urologie, Johanniter-Kliniken Bonn, Johanniterstr. 3-5, 53113, Bonn, Deutschland. Carsten.Ohlmann@bn.johanniter-kliniken.de.
Background:
Metastatic castration-resistant prostate cancer (mCRPC) remains a therapeutic challenge. Poly(adenosine diphosphate-ribose) polymerase inhibitors (PARPi) combined with new hormonal agents (NHA) offer novel treatment options.
Objective:
This review summarizes the current status of PARPi + NHA combination therapy in mCRPC.
Materials And Methods:
Summary of relevant phase II and III trials on PARPi + NHA and the G‑BA (Gemeinsame Bundesausschuss) decision as well as the current S3 guideline recommendations.
Results:
PARPi + NHA demonstrated improved efficacy compared to NHA alone in an all-comers population that received prior androgen deprivation therapy (ADT) or docetaxel therapy. In particular the subgroup of patients with homologous recombination repair (HRR) and breast cancer (BRCA) 1/2 mutations had the best outcomes. Olaparib + abiraterone, talazoparib + enzalutamide, and niraparib + abiraterone are approved combinations, expanding treatment options in mCRPC.
Conclusion:
PARPi + NHA represent a significant advance in mCRPC therapy. Molecular genetic testing for HRR mutations, especially BRCA 1/2, is crucial for treatment planning.
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