EGFR-Mediated Reactivation of MAPK Signaling Contributes to Insensitivity of BRAF-Mutant Colorectal Cancers to RAF Inhibition with Vemurafenib

RB Corcoran, H Ebi, AB Turke, EM Coffee, M Nishino… - Cancer discovery, 2012 - AACR
BRAF mutations occur in 10% to 15% of colorectal cancers and confer adverse outcome in
the metastatic setting. Although RAF inhibitors such as vemurafenib (PLX4032) have proven …

Clinical Acquired Resistance to RAF Inhibitor Combinations in BRAF-Mutant Colorectal Cancer through MAPK Pathway Alterations

LG Ahronian, EM Sennott, EM Van Allen, N Wagle… - Cancer discovery, 2015 - AACR
BRAF mutations occur in approximately 10% of colorectal cancers. Although RAF inhibitor
monotherapy is highly effective in BRAF-mutant melanoma, response rates in BRAF-mutant …

BGB-283, a Novel RAF Kinase and EGFR Inhibitor, Displays Potent Antitumor Activity in BRAF-Mutated Colorectal Cancers

Z Tang, X Yuan, R Du, SH Cheung, G Zhang… - Molecular cancer …, 2015 - AACR
Oncogenic BRAF, which drives cell transformation and proliferation, has been detected in
approximately 50% of human malignant melanomas and 5% to 15% of colorectal cancers …

Combined BRAF, EGFR, and MEK Inhibition in Patients with BRAFV600E-Mutant Colorectal Cancer

RB Corcoran, T André, CE Atreya, JHM Schellens… - Cancer discovery, 2018 - AACR
Although BRAF inhibitor monotherapy yields response rates> 50% in BRAF V600-mutant
melanoma, only approximately 5% of patients with BRAF V600E colorectal cancer respond …

Mechanisms of acquired resistance to BRAF V600E inhibition in colon cancers converge on RAF dimerization and are sensitive to its inhibition

R Yaeger, Z Yao, DM Hyman, JF Hechtman, E Vakiani… - Cancer research, 2017 - AACR
Abstract BRAF V600E colorectal cancers are insensitive to RAF inhibitor monotherapy due
to feedback reactivation of receptor tyrosine kinase signaling. Combined RAF and EGFR …

Antitumor activity of BRAF inhibitor vemurafenib in preclinical models of BRAF-mutant colorectal cancer

H Yang, B Higgins, K Kolinsky, K Packman… - Cancer research, 2012 - AACR
The protein kinase BRAF is a key component of the RAS–RAF signaling pathway which
plays an important role in regulating cell proliferation, differentiation, and survival. Mutations …

Combined Pan-RAF and MEK inhibition overcomes multiple resistance mechanisms to selective RAF inhibitors

SR Whittaker, GS Cowley, S Wagner, F Luo… - Molecular cancer …, 2015 - AACR
RAF and MEK inhibitors are effective in BRAF-mutant melanoma but not in BRAF-mutant
colorectal cancer. To gain additional insights into this difference, we performed a genome …

BRAF Gene Amplification Can Promote Acquired Resistance to MEK Inhibitors in Cancer Cells Harboring the BRAF V600E Mutation

RB Corcoran, D Dias-Santagata, K Bergethon… - Science …, 2010 - science.org
Oncogenic BRAF mutations are found in several tumor types, including melanomas and
colorectal cancers. Tumors with BRAF mutations have increased mitogen-activated protein …

Concomitant BRAF and PI3K/mTOR Blockade Is Required for Effective Treatment of BRAFV600E Colorectal Cancer

EM Coffee, AC Faber, J Roper, MJ Sinnamon… - Clinical cancer …, 2013 - AACR
Purpose: BRAFV600E mutations are associated with poor clinical prognosis in colorectal
cancer (CRC). Although selective BRAF inhibitors are effective for treatment of melanoma …

Combined BRAF and MEK Inhibition With Dabrafenib and Trametinib in BRAF V600–Mutant Colorectal Cancer

RB Corcoran, CE Atreya, GS Falchook… - Journal of clinical …, 2015 - ascopubs.org
Purpose To evaluate dabrafenib, a selective BRAF inhibitor, combined with trametinib, a
selective MEK inhibitor, in patients with BRAF V600–mutant metastatic colorectal cancer …