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Therapy Management of PARP Inhibitor Combinations in mCRPC Clinical Practice

Retz M, Borkowetz A, Wittenzellner K, Aga-Barfknecht H, von Amsberg G

Aktuelle Urologie, 2025

Abstract

Innovative therapeutic approaches, including poly(ADP-ribose)polymerase inhibitors (PARPi), have shown promising results in metastatic castration-resistant prostate cancer (mCRPC), particularly when combined with androgen receptor inhibitors (ARPi). Irrespective of HRR gene mutations, patients benefit from improved radiological progression-free survival and overall survival. The success of PARPi/ARPi combination therapy relies heavily on the effective management of both treatment administration and the associated side-effects. Common haematological side-effects include anaemia, leukopenia, and thrombocytopenia, whereas non-haematological reactions - particularly fatigue, diarrhea, nausea, and constipation - are also clinically relevant. In addition to basic diagnostics and preventive measures, dose adjustments or temporary discontinuation may be required depending on the severity of the side-effects. For anaemia, the most common side-effect, supportive measures such as blood transfusions may be necessary to ensure optimal patient care. This guide provides uro-oncologists with practical recommendations for daily clinical practice.

Innovative Therapieansätze wie die Poly-(ADP-Ribose)-Polymerase-Inhibitoren (PARPi) haben beim metastasierten kastrationsresistenten Prostatakarzinom (mCRPC), insbesondere in Kombination mit Androgenrezeptorblockern (ARPi), vielversprechende Ergebnisse gezeigt. Patienten profitieren – unabhängig von HRR-Genmutationen – von verbesserten…

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