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Freeman-Cook K, Hoffman RL, Miller N, Almaden J, Chionis J, Zhang Q, Eisele K, Liu C, Zhang C, Huser N, Nguyen L, Costa-Jones C, Niessen S, Carelli J, Lapek J, Weinrich SL, Wei P, McMillan E, Wilson E, Wang TS, McTigue M, Ferre RA, He YA, Ninkovic S, Behenna D, Tran KT, Sutton S, Nagata A, Ornelas MA, Kephart SE, Zehnder LR, Murray B, Xu M, Solowiej JE, Visswanathan R, Boras B, Looper D, Lee N, Bienkowska JR, Zhu Z, Kan Z, Ding Y, Mu XJ, Oderup C, Salek-Ardakani S, White MA, VanArsdale T, Dann SG. Expanding control of the tumor cell cycle with a CDK2/4/6 inhibitor. Cancer Cell 2021; 39:1404-1421.e11. [PMID: 34520734 DOI: 10.1016/j.ccell.2021.08.009] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 06/03/2021] [Accepted: 08/17/2021] [Indexed: 12/12/2022]
Abstract
The CDK4/6 inhibitor, palbociclib (PAL), significantly improves progression-free survival in HR+/HER2- breast cancer when combined with anti-hormonals. We sought to discover PAL resistance mechanisms in preclinical models and through analysis of clinical transcriptome specimens, which coalesced on induction of MYC oncogene and Cyclin E/CDK2 activity. We propose that targeting the G1 kinases CDK2, CDK4, and CDK6 with a small-molecule overcomes resistance to CDK4/6 inhibition. We describe the pharmacodynamics and efficacy of PF-06873600 (PF3600), a pyridopyrimidine with potent inhibition of CDK2/4/6 activity and efficacy in multiple in vivo tumor models. Together with the clinical analysis, MYC activity predicts (PF3600) efficacy across multiple cell lineages. Finally, we find that CDK2/4/6 inhibition does not compromise tumor-specific immune checkpoint blockade responses in syngeneic models. We anticipate that (PF3600), currently in phase 1 clinical trials, offers a therapeutic option to cancer patients in whom CDK4/6 inhibition is insufficient to alter disease progression.
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Affiliation(s)
- Kevin Freeman-Cook
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Robert L Hoffman
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Nichol Miller
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Jonathan Almaden
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - John Chionis
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Qin Zhang
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Koleen Eisele
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Chaoting Liu
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Cathy Zhang
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Nanni Huser
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Lisa Nguyen
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Cinthia Costa-Jones
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Sherry Niessen
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Jordan Carelli
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - John Lapek
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Scott L Weinrich
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Ping Wei
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Elizabeth McMillan
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Elizabeth Wilson
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Tim S Wang
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Michele McTigue
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Rose Ann Ferre
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - You-Ai He
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Sacha Ninkovic
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Douglas Behenna
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Khanh T Tran
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Scott Sutton
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Asako Nagata
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Martha A Ornelas
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Susan E Kephart
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Luke R Zehnder
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Brion Murray
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Meirong Xu
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - James E Solowiej
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Ravi Visswanathan
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Britton Boras
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - David Looper
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Nathan Lee
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Jadwiga R Bienkowska
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Zhou Zhu
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Zhengyan Kan
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Ying Ding
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Xinmeng Jasmine Mu
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Cecilia Oderup
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Shahram Salek-Ardakani
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Michael A White
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Todd VanArsdale
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA.
| | - Stephen G Dann
- Pfizer Global Research and Development La Jolla, 10770 Science Center Drive, San Diego, CA 92121, USA.
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