Review Article

Overcoming Resistance to Therapies Targeting the MAPK Pathway in BRAF-Mutated Tumours

Table 1

Summary pharmacological interventions for BRAFV600E mutated cancers.

CompoundTargetPathwayCancer type

VemurafenibBRAFMAPKCRC/G/M/T
DabrafenibBRAFMAPKCRC/M
EncorabenibBRAFMAPKCRC/M
TrametinibMEKMAPKCRC/M/PDA
BinimetinibMEKMAPKM
NavitoclaxBCL-2/BCL-XL/BCLWBH3 mimeticM/T
ABT-737BCL-2BH3 mimeticM
A-1210477MCL-1BH3 mimeticM
Compound 1+SH2STAT3M
HydroxychloroquineUnknownAutophagyCRC/M/PDA
Lys05LysosomeLysosomal autophagyM
ChloroquineUnknownAutophagyCRC/M/PDA
TemozolomideDNADNA replicationM
KP1339/IT-139GRP78ER homeostasisMT
GSK2606414PERKUPR#M
A443654.3AKTPI3K/AKT/mTORCC
MK2206AKTPI3K/AKT/mTORCRC
LY294002PI3KP3K/AKT/mTORCRC
GDC0941PI3KP3K/AKT/mTORCRC
PPP++IGF-1RPI3K/AKT/mTORM
Iso-orientinUnknownPI3K/AKT/MitochondriaHBC
TM+++CopperAngiogenesis/inflammationCRC
IbuprofenCOX1/2NSAID##MT
NaproxenCOX1/2NSAID##MT
CelecoxibCOX-2NSAID##SCC
EtomoxirCPT1ALipid oxidationM/P
PhenforminAMPKMetabolic regulatorM
β-sitosterolComplex IETC###M
SR4Proton uncouplerMitochondriaM
NiclosamideProton uncouplerMitochondriaM

CC = cholangiocarcinoma; CRC = colorectal carcinoma; G = glioma; HBC = hepatoblastoma cancer; M = melanoma; MT = multiple tumours;  = prostate; PDA = pancreatic ductal adenocarcinoma; PST = panel of solid tumours; SCC = squamous cell carcinoma; T = thyroid. +Compound 1 = quinoxaline-2,3-diylbis (methylene) dicarbamimidoselenoate dihydrobromide. ++PPP = cyclolignan propodophyllin. ++TM = tetrathiomolybdate. #UPR = unfolded protein response. ##NSAID = nonsteroidal anti-inflammatory. ###ETC = electron transport chain. This is not a comprehensive list of compounds that target alternative mechanisms of BRAFi resistance and covers therapies that are referenced in this review.