Research Use Only. KIRhub outputs are computational research artifacts. They are not validated for clinical decision-making, diagnosis, or treatment.

Primary targets: TRKA, TRKB, TRKC · FDA status: FDA Approved

Selectivity scorecard

MeasuredDerived
KISS
99.25
Gini
0.710
CATDS
0.047

Computed from wild-type kinome inhibition at 1 μM. Gini reproduces the published values within tolerance; KISS and CATDS are computed but pending reconciliation with the paper's reference code.

Polypharmacology radar

MeasuredDerived

Top 20 strongest-inhibited wild-type kinases for Larotrectinib. Strongest target: TRKA at 98.5% inhibition.

Accessible data table
RankTargetInhibition %Residual activity %
1TRKA98.5%1.5%
2TRKC98.1%1.9%
3TRKB97.9%2.1%
4ROS_ROS189.5%10.5%
5ACK157.8%42.2%
6MUSK52.5%47.5%
7DDR151.2%48.8%
8DDR243.7%56.3%
9LIMK132.8%67.2%
10TXK29.6%70.4%
11ARK5_NUAK125.7%74.3%
12BMX_ETK25.3%74.7%
13TYK1_LTK20.5%79.5%
14JAK220.3%79.7%
15GRK619.2%80.8%
16MST3_STK2419.0%81.0%
17MLCK2_MYLK218.7%81.3%
18CK2A218.6%81.4%
19C_MET17.4%82.6%
20PDK2_PDHK216.7%83.3%

Selectivity landscape

MeasuredDerived

Where Larotrectinib sits in the 92-drug selectivity landscape (KISS vs Gini). The highlighted point is Larotrectinib.

Atlas insights for Larotrectinib

MeasuredReference

Pathway-space view of what this drug actually does, drawn from the Pathway Atlas.

Hallmarks-of-Cancer reach

DerivedReference

Projection onto the 10 canonical Hanahan & Weinberg hallmarks. Breadth = how many hallmarks this drug meaningfully perturbs.

ProliferationEvading apoptosisAngiogenesisInvasion / metastasisReplicative immortalityDeregulated metabolismImmune evasionGenome instabilityInflammationGrowth signaling

Breadth = 3.12 bits (max possible across 10 hallmarks = 3.32 bits). Multi-hallmark agent — broad polypharmacology.

Compare against the full catalog →

Anti-tumor matches — the "ideal patient" search

ModeledDerived

Top 5 real tumors closest to this drug's ideal patient (the tumor whose pathway state = −Π_d). Closest match cosine = 0.863

SampleCancer typecos to ideal
EPT0291EPN0.863
SRR233037520.849
TCGA-CF-A5U8-01A-11R-A28M-070.846
SRR122024980.838
TCGA-FD-A43X-01A-11R-A23W-070.833

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