> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/ntrk2-99e267c3-da9b-55d5-865c-863a0e2daa55
> Record changed: 2026-10-13

# NTRK2

ENSG00000148053

Target class

Kinase

Chromosome

9

Approved drugs

5

Clinical candidates (approved and in development)

13

## Clinical evidence

**Approved drugs**

5

**Clinical candidates (approved and in development)**

13

## Druggability

**Chemical probe available**

Yes

## Names

**Other names**

- TRKB

**Target name**

NTRK2

**Gene name**

Neurotrophic receptor tyrosine kinase 2

**Gene symbol**

NTRK2

**Protein name**

BDNF/NT-3 growth factors receptor (EC 2.7.10.1) (GP145-TrkB) (Trk-B) (Neurotrophic tyrosine kinase receptor type 2) (TrkB tyrosine kinase) (Tropomyosin-related kinase B)

## Classification

**Gene biotype**

Protein coding

**Gene family**

Receptor tyrosine kinases|I-set domain containing

**Target class**

Kinase

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

45

**Protein localisation evidence grade**

Supported

**Highest tissue expression**

79.51

**Tissue specificity (Gini)**

0.659

**Tissue specificity (tau)**

0.796

## Pathways and interactions

**KEGG gene identifiers**

- hsa:4915

**Protein interaction confidence**

0.835296

**Protein interaction partners**

81

### Reactome pathways (14)

- R-HSA-1257604
- R-HSA-187024
- R-HSA-2219530
- R-HSA-6811558
- R-HSA-9024909
- R-HSA-9025046
- R-HSA-9026357
- R-HSA-9026519
- R-HSA-9026527
- R-HSA-9028335
- R-HSA-9028731
- R-HSA-9032500
- R-HSA-9032759
- R-HSA-9032845

## Genomic location

**End position**

85095751

**Start position**

84668375

**Chromosome**

9

**Strand**

Forward

## Identifiers

**Ensembl gene ID**

ENSG00000148053

**HGNC ID**

HGNC:8032

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:8032)

**NCBI Gene ID**

4915

**UniProt ID**

Q16620

## Cellular location

- Cell membrane
- Single-pass type I membrane protein . Endosome membrane
- Single-pass type I membrane protein . Early endosome membrane . Cell projection, axon . Cell projection, dendrite . Cytoplasm, perinuclear region . Postsynaptic density . Note=Internalized to endosomes upon ligand-binding. .
- Plasma membrane

### Publication evidence

- PubMed 15494731  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/15494731/)

## Tissue expression

**Tissue specificity (tau)**

0.795659

**Expression inequality (Gini)**

0.659255

### Highest expression

Expression in transcripts per million

**Brain - Anterior cingulate cortex (BA24)**

79.51

**Brain - Frontal Cortex (BA9)**

75.02

**Brain - Cortex**

74.24

**Brain - Caudate (basal ganglia)**

73

**Brain - Amygdala**

72.96

### All tissues (54)

Expression in transcripts per million

- Brain - Anterior cingulate cortex (BA24)79.51
- Brain - Frontal Cortex (BA9)75.02
- Brain - Cortex74.24
- Brain - Caudate (basal ganglia)73
- Brain - Amygdala72.96
- Brain - Nucleus accumbens (basal ganglia)66.64
- Brain - Putamen (basal ganglia)58.15
- Brain - Hypothalamus40.59
- Brain - Hippocampus40.27
- Artery - Tibial37.53
- Brain - Substantia nigra37.53
- Thyroid35.22
- Nerve - Tibial28.31
- Adipose - Subcutaneous24.58
- Brain - Cerebellar Hemisphere22.29
- Artery - Coronary22.03
- Brain - Cerebellum20.3
- Breast - Mammary Tissue15.23
- Brain - Spinal cord (cervical c-1)14.29
- Vagina8.29
- Kidney - Medulla7.42
- Adipose - Visceral (Omentum)7.09
- Cervix - Ectocervix6.54
- Skin - Sun Exposed (Lower leg)5.83
- Minor Salivary Gland5.71

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (3)

- GO:0031547  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0031547)
- GO:0051897  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0051897)
- GO:1902430  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:1902430)

### Cellular components (2)

- GO:0005886  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005886)
- GO:0043235  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0043235)

### Molecular functions (5)

- GO:0002020  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0002020)
- GO:0004713  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004713)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)
- GO:0043121  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0043121)
- GO:0060175  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0060175)

## Related records

### Trials (125)

- A 8 Weeks Study to Evaluate Efficacy & Safety of rhNGF vs Vehicle in Patients After Cataract and Refractive Surgery
- A Dose Ranging Study to Evaluate the Safety and Potential Efficacy of rhNGF in Patients With Retinitis Pigmentosa (RP)
- A Performance and Bioavailability Study of Entrectinib in Healthy Volunteers.
- A Phase 1 Study to Assess the Effect of Hepatic Impairment on the Pharmacokinetics of Repotrectinib in Advanced Cancer Patients
- A Phase 1 Study to Evaluate the Potential Drug Interactions Between Repotrectinib and Metformin, Digoxin, and Rosuvastatin in Patients With Advanced Solid Tumors
- A Phase II Randomized Study Comparing the Efficacy and Safety of Targeted Therapy or Cancer Immunotherapy Versus Platinum-Based Chemotherapy in Patients With Cancer of Unknown Primary Site
- A Phase III Study Comparing Taletrectinib With Standard Therapy in ROS1 Positive Locally Advanced or Metastatic Non-small Cell Lung Cancer Patients
- A Pilot Study of Larotrectinib for Newly-Diagnosed High-Grade Glioma With NTRK Fusion
- A Retrospective and Prospective Real-world Study of Molecular Typing in the Treatment of Advanced Thyroid Cancer
- A Rollover Study for Participants Previously Enrolled in a Genentech and/or F. Hoffman-La Roche Sponsored Study
- [A Safety and Efficacy Study of 2 Dosing Regimens of Recombinant Human Nerve Growth Factor (rhNGF) Eye Drop Solution Compared With Vehicle in Patients With Dry Eye Disease.](https://trialight.com/data/trial/a-safety-and-efficacy-study-of-2-dosing-regimens-of-53467de5-991b-4a3c-8648-5dcdbb7475e5.md)
- A Study Called EPI VITRAKVI to Compare Treatment Results in Patients With Infantile Fibrosarcoma (IFS), a Type of Connective Soft Tissue Cancer, Who Received a Treatment Called Larotrectinib From a Study Called SCOUT With Patient Data From an External Database
- A Study Called VICTORIA to Learn More About How Well Larotrectinib Works in Adults With TRK Fusion-positive Cancer by Comparing Larotrectinib Data From Clinical Studies With Data of Other Treatments From Actual Practice
- A Study Evaluating Targeted Therapies in Participants Who Have Advanced Solid Tumors With Genomic Alterations or Protein Expression Patterns Predictive of Response
- A Study Evaluating the Efficacy and Safety of Multiple Therapies in Cohorts of Participants With Locally Advanced, Unresectable, Stage III Non-Small Cell Lung Cancer (NSCLC)
- A Study of AB-106 in Chinese Healthy Adult Men Evaluated the Effects of Itraconazole and Rifampicin on AB-106 PK
- A Study of AB-106 in Subjects With Advanced NSCLC Harboring ROS1 Fusion Gene
- A Study of DCC-2701 in Participants With Advanced Solid Tumors
- A Study of Multiple Therapies in Biomarker-selected Participants With Resectable Stages IB-III Non-small Cell Lung Cancer (NSCLC)
- A Study of Repotrectinib (TPX-0005) in Patients With Advanced Solid Tumors Harboring ALK, ROS1, or NTRK1-3 Rearrangements

### Drugs (14)

- Altiratinib Neurotrophic tyrosine kinase receptor inhibitor
- AZD-6918 Neurotrophic tyrosine kinase receptor inhibitor
- AZD-7451 Neurotrophic tyrosine kinase receptor type 2 inhibitor
- [Cenegermin](https://trialight.com/data/asset/cenegermin-c47bd113-cac2-4c57-a094-530d311415a9.md) Neurotrophic tyrosine kinase receptor agonist
- CEP-2563 Neurotrophic tyrosine kinase receptor inhibitor
- Cep-2563 dihydrochloride Neurotrophic tyrosine kinase receptor inhibitor
- Entrectinib Neurotrophic tyrosine kinase receptor inhibitor
- Larotrectinib Neurotrophic tyrosine kinase receptor inhibitor
- Larotrectinib sulfate Neurotrophic tyrosine kinase receptor inhibitor
- Lestaurtinib Neurotrophic tyrosine kinase receptor type 2 inhibitor
- PLX-7486 Neurotrophic tyrosine kinase receptor type 2 inhibitor
- Repotrectinib Neurotrophic tyrosine kinase receptor type 2 inhibitor
- Selitrectinib Neurotrophic tyrosine kinase receptor inhibitor
- Taletrectinib Neurotrophic tyrosine kinase receptor inhibitor

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