Vertical Pathway Inhibition Overcomes Adaptive Feedback Resistance to KRASG12C Inhibition

MB Ryan, F Fece de la Cruz, S Phat, DT Myers… - Clinical cancer …, 2020 - AACR
Purpose: Although KRAS represents the most commonly mutated oncogene, it has long
been considered an “undruggable” target. Novel covalent inhibitors selective for the …

Clinical Acquired Resistance to KRASG12C Inhibition through a Novel KRAS Switch-II Pocket Mutation and Polyclonal Alterations Converging on RAS–MAPK …

N Tanaka, JJ Lin, C Li, MB Ryan, J Zhang… - Cancer discovery, 2021 - AACR
Mutant-selective KRASG12C inhibitors, such as MRTX849 (adagrasib) and AMG 510
(sotorasib), have demonstrated efficacy in KRAS G12C-mutant cancers, including non–small …

Cell Type–specific Adaptive Signaling Responses to KRASG12C Inhibition

HS Solanki, EA Welsh, B Fang, V Izumi, L Darville… - Clinical Cancer …, 2021 - AACR
Purpose: Covalent inhibitors of KRASG12C specifically target tumors driven by this form of
mutant KRAS, yet early studies show that bypass signaling drives adaptive resistance …

KRASG12C-independent feedback activation of wild-type RAS constrains KRASG12C inhibitor efficacy

MB Ryan, O Coker, A Sorokin, K Fella, H Barnes… - Cell reports, 2022 - cell.com
Although KRAS has long been considered undruggable, direct KRAS G12C inhibitors have
shown promising initial clinical efficacy. However, the majority of patients still fail to respond …

Selective inhibition of oncogenic KRAS output with small molecules targeting the inactive state

MP Patricelli, MR Janes, LS Li, R Hansen, U Peters… - Cancer discovery, 2016 - AACR
KRAS gain-of-function mutations occur in approximately 30% of all human cancers. Despite
more than 30 years of KRAS-focused research and development efforts, no targeted therapy …

Mechanisms of Resistance to KRASG12C-Targeted Therapy

NS Akhave, AB Biter, DS Hong - Cancer discovery, 2021 - AACR
KRAS mutations are among the most common drivers of human carcinogenesis, and are
associated with poor prognosis and an aggressive disease course. With the advent of …

More to the RAS Story: KRASG12C Inhibition, Resistance Mechanisms, and Moving Beyond KRASG12C

CD Lietman, ML Johnson, F McCormick… - American Society of …, 2022 - ascopubs.org
Despite the discovery of RAS oncogenes in human tumor DNA 40 years ago, the
development of effective targeted therapies directed against RAS has lagged behind those …

Pharmacological induction of RAS-GTP confers RAF inhibitor sensitivity in KRAS mutant tumors

I Yen, F Shanahan, M Merchant, C Orr, T Hunsaker… - Cancer Cell, 2018 - cell.com
Targeting KRAS mutant tumors through inhibition of individual downstream pathways has
had limited clinical success. Here we report that RAF inhibitors exhibit little efficacy in KRAS …

Overcoming resistance to drugs targeting KRASG12C mutation

D Jiao, S Yang - The Innovation, 2020 - cell.com
Activating KRAS mutations are present in 25% of human cancer. Although oncogenic Ras
was deemed" undruggable" in the past, recent efforts led to the development of …

[HTML][HTML] Precision oncology provides opportunities for targeting KRAS-inhibitor resistance

M Sattler, A Mohanty, P Kulkarni, R Salgia - Trends in Cancer, 2023 - cell.com
Novel inhibitors targeting Kirsten rat sarcoma virus homolog (KRAS) KRAS G12C in various
cancers have shown good initial efficacy, but therapy-related drug resistance eventually …