%0 Journal Article %@ 2374-2437 %A Leone, Gianmarco %A Orlando, Francesco %A Dutey-Magni, Peter %A Vainauskas, Osvaldas %A Grist, Emily %A Ciani, Yari %A Lall, Sharanpreet %A Thakali, Suparna %A Wingate, Anna %A Wetterskog, Daniel %A Sachdeva, Ashwin %A Sydes, Matthew R %A McPhail, Neil %A Sreenivasan, Thiagarajan %A O'Sullivan, Joe M %A Clarke, Noel W %A Parmar, Mahesh KB %A Brown, Louise C %A James, Nicholas D %A Demichelis, Francesca %A Attard, Gerhardt %A the STAMPEDE collaborators %D 2025 %F discovery:10205615 %I American Medical Association %J JAMA Oncology %T Plasma AR Alterations and Timing of Intensified Hormone Treatment for Prostate Cancer: the STAMPEDE Phase 3 Randomized Clinical Trial %U https://discovery.ucl.ac.uk/id/eprint/10205615/ %X We previously reported that abiraterone acetate and prednisolone (hereafter abiraterone) added at initiation of androgen deprivation therapy (ADT) improved survival of metastatic and very high-risk locally advanced prostate cancer and that combining with enzalutamide did not change efficacy.1 Using next-generation sequencing on plasma DNA, we previously showed that genomic alterations of the androgen receptor (AR) gene contribute to resistance to abiraterone or enzalutamide when initiated for metastatic castration-resistant prostate cancer after progression with ADT alone.2 It is unknown whether hormone intensification at start of ADT alters selection of AR alterations within the gene body and/or enhancer region.3 %Z This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.