Table 2 IC50s and maximal inhibition

From: Adaptive Darwinian off-target resistance mechanisms to selective RET inhibition in RET driven cancer

Treatment

BaF3 derived cell line

RET(898_901del)/ETV6-NTRK3

RET(898_901del)/ETV6-NTRK3/EML4-ALK

RET(898_901del)/ETV6-NTRK3 + EML4-ALK

IC50 (nM)

aMaximal inhibition (%)

IC50 (nM)

Maximal inhibition (%)a

IC50 (nM)

Maximal inhibition (%)a

Selpercatinib

290.6

55.9

1592

15.3

6268.0

40.5

Larotrectinib

4300.0

27.7

421.8

58.4

1745.0

16.5

Entrectinib

225.4

87.7

54.2

100.0

203.6

89.2

Selpercatinib (100 nM) +larotrectinb

10.0

100.0

54.5

93.9

49.6

61.4

Selpercatinib (100 nM) +entrectinib

1.8

100.0

14.2

100.0

8.5

100.0

  1. aat 1000 nM of test drug concentration.