“[...] results of Tolmeijer et al. show the promise of on-treatment ctDNA detection as early read out for treatment response to potentially help guide treatment management of patients with mCRPC.”
BUFFALO, NY- July 17, 2024 – A new editorial paper was published in Oncotarget's Volume 15 on July 2, 2024, entitled, “ Using early on-treatment circulating tumor DNA measurements as response assessment in metastatic castration resistant prostate cancer .”
In this new editorial, researchers S.H. Tolmeijer, E. Boerrigter, N.P. Van Erp, and Niven Mehra from Radboud University Medical Center discuss metastatic castration resistant prostate cancer (mCRPC). mCRPC is lethal, but the number of life-prolonging systemic treatments available for mCRPC has expanded over the years. Real world data suggest that the most common first-line therapy for mCRPC was treatment with an androgen receptor pathway inhibitor (ARPI), being either enzalutamide or abiraterone, although more patients will nowadays receive ARPI and/or docetaxel already for hormone sensitive prostate cancer (HSPC).
Recent clinical trial data suggest potential benefit of adding poly-ADP ribose polymerase inhibitors (PARPi) or lutetium-117-prostate-specific membrane antigen (LuPSMA) to first-line mCRPC treatment with ARPIs in a subset of patients. As these different drug classes are associated with different toxicity profiles and significant costs, it is highly important to identify which patients experience durable benefit from monotherapy ARPI and which patients would potentially benefit from treatment intensification or therapy switch.
“Research by Tolmeijer et al. 2023, published in Clinical Cancer Research [ 13 ], suggests that the detection of circulating tumor DNA (ctDNA) at baseline and 4-weeks after treatment initiation can predict response durability to first-line ARPIs.”
Continue reading: DOI: https://doi.org/10.18632/oncotarget.28599
Correspondence to: Niven Mehra
Email: niven.mehra@radboudumc.nl
Keywords: ctDNA, prostate cancer, liquid biopsy, biomarker, androgen receptor pathway inhibitors
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Using early on-treatment circulating tumor DNA measurements as response assessment in metastatic castration resistant prostate cancer
2-Jul-2024