Profile Response Detail

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Molecular Profile PTEN loss
Therapy Abiraterone + Ipatasertib
Indication/Tumor Type castration-resistant prostate carcinoma
Response Type sensitive

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
PTEN loss castration-resistant prostate carcinoma sensitive Abiraterone + Ipatasertib Phase II Actionable In a Phase II trial, the combination of Ipatasertib (GDC-0068) and Zytiga (abiraterone) resulted in a better progression-free survival in metastatic castration resistant prostate cancer patients with PTEN loss (by IHC) when compared to placebo combined with Zytiga (PMID: 30037818; NCT01485861). 30037818 detail...
PTEN loss castration-resistant prostate carcinoma sensitive Abiraterone + Ipatasertib Phase III Actionable In a Phase III trial, Ipatasertib (GDC-0068) combined with Zytiga (abiraterone) significantly improved median radiographical progression-free survival (PFS) (18.5 vs 16.5 mo, HR 0.77, p=0.034) in patients with metastatic castration resistant prostate cancer harboring PTEN loss (by IHC) when compared to placebo combined with Zytiga, median PFS was not improved (19.2 vs 16.6 mo, HR 0.84, p=0.043) in the intent-to-treat population (PMID: 34246347; NCT03072238). 34246347
PubMed Id Reference Title Details
PTEN loss as a predictive biomarker for the Akt inhibitor ipatasertib combined with abiraterone acetate in patients with metastatic castration-resistant prostate cancer (mCRPC) Full reference...
(30037818) Randomized Phase II Study Evaluating Akt Blockade with Ipatasertib, in Combination with Abiraterone, in Patients with Metastatic Prostate Cancer with and without PTEN Loss. Full reference...
(34246347) Ipatasertib plus abiraterone and prednisolone in metastatic castration-resistant prostate cancer (IPATential150): a multicentre, randomised, double-blind, phase 3 trial. Full reference...