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. 2019 Feb 25;22(4):531–538. doi: 10.1038/s41391-019-0134-5

Fig. 3.

Fig. 3

a A patient with mCRPC who had progressed on abiraterone, sipuleucel-T, enzalutamide, and radium-223 was treated with trametinib, which induced a PSA response of 85% at three and 93% at five months. b Schematic of ongoing proof of concept Phase II clinical trial of trametinib for patients with mCRPC who have progressed on one or more prior therapies for mCRPC (NCT02881242). Correlative analyses aim to identify patients most likely to respond and suggest possible pathways of resistance