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Table 1 Approval and status of MEK inhibitors in active clinical development

From: MEK inhibitors for the treatment of non-small cell lung cancer

Drug

Developer or owner

Target

In vitro IC50 for MEK (nM)

Tumor

Approval/development status

Trametinib (GSK1120212, JTP-74057)

NOVARTIS

MEK1/2

0.7 (MEK1), 0.9 (MEK2) [24]

Melanoma, NSCLC, thyroid cancer

Approved by US FDA (05/2013)

Binimetinib (MEK162, ARRY-438162)

ARRAY BIOPHARMA INC

MEK1/2

12 [28]

Melanoma

Approved by US FDA (06/2018)

Selumetinib (AZD6244, ARRY-142886)

ASTRAZENECA

MEK1/2

14 [23]

Neurofibroma

Approved by US FDA (4/2020)

Cobimetinib (GDC-0973, XL518)

GENENTECH INC

MEK1/2

5 [29]

Melanoma

Approved by US FDA (11/2015)

Pimasertib (AS703026, MSC1936369B)

Merck KGaA

MEK1/2

30 [30]

Melanoma, ovarian cancer, pancreatic adenocarcinoma, solid tumor

I/II

Mirdametinib (PD-0325901)

Spring Works Therapeutics

MEK1/2

0.1–1000 [31]

Neurofibroma, solid tumor

I/II

Refametinib (BAY 86–9766, RDEA119)

Bayer AG

MEK1/2

19 (MEK1), 47 (MEK2) [32]

Biliary tract cancer, hepatocellular cancer, solid tumor

I/II

E6201

Eisai Co Ltd./Strategia Theraputics

MEK1/FLT3

NA

Melanoma with brain metastases, solid tumor

I

GDC-0623 (RG 7421)

Genentech, Inc.

MEK1

0.13 [33, 34]

Solid tumor

I

CH5126766(RO5126766)

Chugai Pharmaceutical Co., Roche

MEK/BRAF/CRAF

160/190/56 [35]

KRAS-mutant NSCLC, solid tumor

I

HL-085

Shanghai Kechow Pharma, Inc.

MEK1/2

1.9–10 [27]

Melanoma, NSCLC, solid tumor

I/II

SHR7390

HENGRUI MEDICINE

MEK1/2

NA

Breast neoplasm, solid tumor

I/II

TQ-B3234

CHIATAI TIANQING

MEK1/2

NA

Solid tumor

I

CS-3006

CSTONE PHARMACEUTICALS

MEK1/2

NA

Solid tumor

I

FCN-159

FOSUN PHARMA

MEK1/2

NA

NRAS-aberrant (Ia) and NRAS-mutant (Ib) melanoma

I