Chemistry:AMG319

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AMG319
AMG319.svg
Clinical data
ATC code
  • None
Legal status
Legal status
  • Investigational
Identifiers
CAS Number
PubChem CID
ChemSpider
Chemical and physical data
FormulaC21H16FN7
Molar mass385.396 g·mol−1
3D model (JSmol)

AMG319 is a drug developed by Amgen which acts as an inhibitor of the phosphoinositide 3-kinase enzyme subtype PI3Kδ. It was originally developed as an anti-inflammatory drug with potential applications in the treatment of autoimmune conditions such as rheumatoid arthritis, but subsequent research showed that it inhibits cell proliferation and might potentially have useful anti-cancer effects, and it has been put into clinical trials to assess its safety and tolerability in this application.[1][2]

Mechanism(s) of action

It is a potential immunotherapy because blocking PI3Kδ (PI3K p110δ) eliminates a group of inhibitory immune cells and may allow the immune system to better attack the cancer cells.[3] p110δ inactivation in regulatory T  cells unleashes CD8+ cytotoxic T  cells.[4]

Clinical trials

Its first clinical trial was a phase I/II study in adults with relapsed or refractory lymphoid malignancies.[5] This was due to run from 2011 to 2013.

In 2015/16 it started a phase II clinical trial as a neoadjuvant therapy for human papillomavirus (HPV) negative head and neck squamous-cell carcinoma (HNSCC) (prior to resection surgery).[3]

See also

References

  1. Cushing, TD; Hao, X; Shin, Y; Andrews, K; Brown, M; Cardozo, M; Chen, Y; Duquette, J et al. (8 January 2015). "Discovery and In Vivo Evaluation of (S)-N-(1-(7-Fluoro-2-(pyridin-2-yl)quinolin-3-yl)ethyl)-9H-purin-6-amine (AMG319) and Related PI3Kδ Inhibitors for Inflammation and Autoimmune Disease". Journal of Medicinal Chemistry 58 (1): 480–511. doi:10.1021/jm501624r. PMID 25469863. 
  2. Lanasa MC, Glenn MJ, Mato AR, Allgood SD, Wong S, Amore B, Means GD, Stevens E, Yan C, Friberg G, Goy A. First-In-Human Study Of AMG 319, a Highly Selective, Small Molecule Inhibitor Of PI3Kδ, In Adult Patients With Relapsed Or Refractory Lymphoid Malignancies. 55th ASH Annual Meeting and Exposition, December 2013
  3. 3.0 3.1 AMG 319 in Human PapillomaVirus (HPV) Negative HNSCC
  4. Ali, Khaled; Soond, Dalya R.; Piñeiro, Roberto; Hagemann, Thorsten; Pearce, Wayne; Lim, Ee Lyn; Bouabe, Hicham; Scudamore, Cheryl L. et al. (2014). "Inactivation of PI(3)K p110δ breaks regulatory T-cell-mediated immune tolerance to cancer". Nature 510 (7505): 407–11. doi:10.1038/nature13444. PMID 24919154. 
  5. A Phase 1, First-in-Human Study Evaluating the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of AMG 319 in Adult Subjects With Relapsed or Refractory Lymphoid Malignancies