Prostate Cancer

The FDA has approved a study may proceed letter in advance of its 30-day review period to Oncternal Therapeutics for its phase 1/2 study evaluating ONCT-534, a novel dual-action AR inhibitor in patients with mCRPC who have relapsed or are refractory to approved AR signaling inhibitors.

The development of etrumadenant as a potential treatment option for patients with metastatic castration-resistant prostate cancer will be discontinued after data from the phase 1/2 ARC-6 trial did not demonstrate a sufficient clinical benefit for etrumadenant plus zimberelimab and docetaxel compared with docetaxel alone.

Ulka Nitin Vaishampayan, MBBS, discusses patient factors to consider when choosing between apalutamide, enzalutamide, and darolutamide for the treatment of patients with non-metastatic castration resistant prostate cancer.

Focused discussion on the role of lutetium-177–PSMA-617 as radioligand therapy in patients with metastatic castration-resistant prostate cancer.

Key opinion leaders in metastatic castration-resistant prostate cancer management review a subset of clinical trials focused on combination strategies with PARP inhibitors.

Paul Sieber, MD, discusses the importance of evaluating comorbidities in patients with prostate cancer, including assessing risk factors for cardiovascular events in those who are initiating androgen deprivation therapy.

Moving on to discuss metastatic castration-resistant prostate cancer, panelists highlight the evolving role of PARP inhibition in this setting.

Comprehensive insight to key treatment modalities for patients with nonmetastatic castration-resistant prostate cancer and how to select amongst them.

David R. Wise, MD, PhD, discusses key trials establishing the benefit of hormone therapy– or chemotherapy-based doublet therapy for patients with metastatic hormone-sensitive prostate cancer

Benjamin Miron, MD, explains the purpose of studying the molecular profile of intraductal carcinoma of the prostate, expands on the potential prognostic and targetable alterations identified in patients with this histology, and discusses the planned cohort expansion and analysis of RNA signatures in this population.

The European Commission has approved piflufolastat (18F) for the detection of prostate-specific membrane antigen–positive lesions with positron emission tomography in adults with prostate cancer.

Neeraj Agarwal, MD, discusses future questions to be addressed following the phase 3 TALAPRO-2 trial evaluating the combination of talazoparib plus enzalutamide in patients with metastatic castration-resistant prostate cancer.

Varied levels of compliance were observed in terms of using validated quality indicators to determine the quality of active surveillance for patients with low-risk prostate cancer, according to findings from a population-based study published in the Journal of the Comprehensive Cancer Network.

The National Comprehensive Cancer Network has added flotufolastat F 18 injection to its Clinical Practice Guidelines in Oncology for positron emission tomography of prostate-specific membrane antigen–positive lesions in men with prostate cancer with suspected metastasis who are candidates for initial definitive therapy.

A brief conversation on negative clinical trial readouts and how they may help to inform optimal treatment pathways for patients with metastatic hormone-sensitive prostate cancer.

Following their discussion on systemic therapy, expert panelists consider the value of locoregional therapy for a subset of patients with metastatic hormone-sensitive prostate cancer.

Sanjay Goel, MD, MS, expands on the findings from the phase 1b/2 trial, noting the potential benefit this approach may have for patients with cholangiocarcinoma, and detailed next steps for investigating tinengotinib.

The FDA has granted fast track designation to ARX517 for use as a potential treatment option in patients with metastatic castration-resistant prostate cancer who experience disease progression on an androgen receptor pathway inhibitor.

Benjamin Miron, MD, discusses the methods utilized in a study of molecular alterations in patients with intraductal carcinoma of the prostate and the next steps for this research.

Neeraj Agarwal, MD, speaks on the significance of the approval and how the combination of talazoparib and enzalutamide will fit into the treatment landscape of HRR gene–mutated mCRPC.

Benjamin H. Lowentritt, MD, FACS, discusses the background and rationale for conducting a real-world retrospective study of prostate-specific antigen responses generated from second-generation androgen receptor inhibitors in patients with metastatic castration-sensitive prostate cancer.

Dr Agarwal discusses the significance of the FDA approval of talazoparib plus enzalutamide in HRR gene–mutated mCRPC, key efficacy and safety data from the TALAPRO-2 trial, and how this combination further supports the use of PARP inhibitors in the mCRPC treatment paradigm.

Scott Tagawa, MD, MS, FACP, discusses the evolution of antibody-drug conjugates in metastatic castration-resistant prostate cancer, as well as potential future targets for ADC development in this space.

Benjamin H. Lowentritt, MD, FACS, discusses how results from a real-world retrospective study of responses with second-generation androgen receptor signaling inhibitors in patients with mCSPC could affect the selection and use of next-generation ARSIs in practice, and how this research identifies several other unanswered questions for future investigation.

Enhanced antitumor activity was shown with the addition of the PARP inhibitor olaparib to the radioligand lutetium Lu 177 vipivotide tetraxetan in patients with metastatic castration-resistant prostate cancer.