體內(nèi)研究: |
在人微粒體及干細(xì)胞培養(yǎng)中,GDC-0084顯示出良好的代謝穩(wěn)定性,能抑制正常腦組織中PI3K通路的關(guān)鍵信號pAKT。GDC-0084抑制多種神經(jīng)膠質(zhì)瘤細(xì)胞的增殖(IC50:0.3-1.1 μM)。GDC-0084與血漿蛋白結(jié)合率較低,在CD-1小鼠血漿中游離分?jǐn)?shù)為29.5±2.7%(n=3,5 μM),而在CD-1小鼠中與腦組織結(jié)合率較高,游離分?jǐn)?shù)只有6.7±1%(n=3) |
參考文獻(xiàn): |
1: Salphati L, Alicke B, Heffron TP, Shahidi-Latham S, Nishimura M, Cao T, Carano RA, Cheong J, Greve J, Koeppen H, Lau S, Lee LB, Nannini-Pepe M, Pang J, Plise EG, Quiason C, Rangell L, Zhang X, Gould SE, Phillips HS, Olivero AG. Brain Distribution and Efficacy of the Brain Penetrant PI3K Inhibitor GDC-0084 in Orthotopic Mouse Models of Human Glioblastoma. Drug Metab Dispos. 2016 Dec;44(12):1881-1889. Epub 2016 Sep 16. PubMed PMID: 27638506.
2: Heffron TP, Ndubaku CO, Salphati L, Alicke B, Cheong J, Drobnick J, Edgar K, Gould SE, Lee LB, Lesnick JD, Lewis C, Nonomiya J, Pang J, Plise EG, Sideris S, Wallin J, Wang L, Zhang X, Olivero AG. Discovery of Clinical Development Candidate GDC-0084, a Brain Penetrant Inhibitor of PI3K and mTOR. ACS Med Chem Lett. 2016 Feb 16;7(4):351-6. doi: 10.1021/acsmedchemlett.6b00005. eCollection 2016 Apr 14. PubMed PMID: 27096040; PubMed Central PMCID: PMC4834666. |