Expert recommendations on the management of patients with metastatic castration-resistant prostate cancer who progress after CHAARTED or LATITUDE

Objective

Our aim was to provide practical recommendations on the management of patients with metastatic castration-resistant prostate cancer (mCRPC) who have progressed after docetaxel plus androgen-deprivation therapy (ADT) or abiraterone plus ADT.

Methods

Systematic literature review (SLR), nominal group meeting, and Delphi process. A panel of 12 experts was established who defined the scope, users, and sections of the document. We performed an SLR in order to assess the efficacy and safety of available drugs in patients with mCRPC. Abstracts from the American Society of Oncology and European Society for Medical Oncology meetings were also examined. The results were discussed during an expert meeting in which 14 recommendations were generated. The level of agreement with the recommendations was also tested by 13 additional experts following the Delphi process. Recommendations were voted by means of scores ranging from 0 (total disagreement) to 10 (total agreement). We defined agreement when at least 70% of the experts voted ⩾7. Next, we assigned a level of evidence and grade to the recommendation using the Oxford Centre for Evidence-based Medicine Levels of Evidence, following which the final document was drafted.

Results

The literature search did not find any articles meeting the inclusion criteria. Finally, 13 out of 14 recommendations were accepted after two Delphi rounds (two were modified after the first round). They pertain to general and individual case-based treatment recommendations.

Conclusions

In mCRPC patients who have progressed after docetaxel or abiraterone plus ADT in the metastatic hormone-sensitive prostate cancer setting, these recommendations may support treatment decision-making, due to the lack of evidence or other globally accepted sequencing algorithms.

Contemporary Management of the Newly Diagnosed Prostate Cancer Patient with Metastatic Disease at Presentation

PURPOSE OF REVIEW

Androgen deprivation therapy (ADT) has been the standard-of-care (SOC) for metastatic hormone-sensitive prostate cancer (mHSPC) since the middle of the twentieth century. Recently, several practice-changing trials have added new therapy options for these patients. Here we review these studies and discuss guidelines on treatment decision-making.

RECENT FINDINGS

A trio of studies (GETUG-AFU15, STAMPEDE, CHAARTED) combining docetaxel chemotherapy with ADT all showed clinical benefit of the addition. More recently, the LATITUDE and STAMPEDE-Abiraterone studies established yet another new option for up-front treatment of newly diagnosed metastatic prostate cancer, showing significantly prolonged overall survival (OS) and progression-free survival (PFS) compared to ADT alone in men with high-risk mHSPC. With the recent demonstration that adding either docetaxel or abiraterone plus prednisone to ADT significantly improves survival in mHSPC, physicians are confronted by a growing body of clinical data and treatment regimens. Men with high-volume and/or high-risk metastatic disease should not be treated with ADT alone without strong consideration of docetaxel or abiraterone. The choice of a first-line therapy should be made based on risk stratification, patients' comorbidities, toxicities, quality-of-life (QOL) considerations, and cost.