This article aims to critically evaluate the evidence for triplet therapy consisting of androgen deprivation therapy (ADT), docetaxel and a second-generation androgen receptor pathway inhibitor (ARPI; abiraterone, enzalutamide, darolutamide or apalutamide) in patients with metastatic hormone-sensitive prostate cancer (mHSPC), and what this evidence reveals regarding the use of these treatments in clinical practice. A search of PubMed, Medline, Embase, Cochrane, Scopus and Web of Science was conducted in April 2024 to identify relevant prospective and retrospective observational trials, randomized controlled trials (RCTs) and meta-analyses. The search identified 52 relevant articles: six full articles and 31 abstracts based on three RCTs, one observational study and 14 meta-analyses. Abiraterone- or darolutamide-containing triplet therapy was significantly better than ADT + docetaxel for improving overall survival in all study populations, particularly subgroups with high-volume and/or synchronous disease. The tolerability of ADT + docetaxel and triplet therapy were similar with most adverse events related to docetaxel. There were no data comparing triplet therapy with ADT + ARPI doublet therapy. Triplet therapy appears to be the most effective first-line regimen for men with mHSPC, good performance status and high-volume and synchronous metastases. Darolutamide-based triplet therapy may also be of benefit in other patients with high- or low-risk disease. Careful consideration of the risks and benefits are required to determine which patients can be spared from receiving docetaxel and rather be treated with alternative regimens.
Zapatero et al. (Fri,) studied this question.
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