The compounds presented are investigational or are being investigated for uses that have not been approved by the US Food and Drug Administration (FDA), European Medicines Agency (EMA), or other health authorities. This information is presented only for purposes of providing a general overview of clinical trials and should not be construed as a recommendation for use of any product for unapproved uses.

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Tropomyosin Receptor Kinase (TRK) Signaling

  • NTRK genes encode the TRK family of transmembrane receptors, which play important signaling roles in neuronal development and differentiation1,2

  • NTRK gene fusions can occur via intra- or interchromosomal rearrangements, resulting in the formation of a chimeric gene3

  • Oncogenic TRK fusion proteins typically form when the kinase domain region of the NTRK gene achieves an in-frame fusion to an unrelated gene3,4

  • This results in the formation of a constitutively active TRK chimeric protein that is ligand-independent, leading to the uncontrolled activation of downstream pathways and tumor growth3,5

  • TRK fusion proteins are often mutually exclusive of other known oncogenic genomic alterations and are thus thought to be a primary oncogenic driver3

  • Bayer is actively engaged in clinical trials relating to TRK inhibition in a wide variety of cancer types

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Tumor Type

Related Compound


The ongoing clinical trials listed on this website represent a comprehensive overview of Bayer's clinical pipeline in Oncology, including Bayer-sponsored research and collaborative research with academic centers, cooperative groups, and other global institutions.