Difference between revisions of "Imetelstat (Rytelo)"
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# Baerlocher GM, Oppliger Leibundgut E, Ottmann OG, Spitzer G, Odenike O, McDevitt MA, Röth A, Daskalakis M, Burington B, Stuart M, Snyder DS. Telomerase Inhibitor Imetelstat in Patients with Essential Thrombocythemia. N Engl J Med. 2015 Sep 3;373(10):920-8. [http://www.nejm.org/doi/full/10.1056/NEJMoa1503479 link to original article] [https://www.ncbi.nlm.nih.gov/pubmed/26332546 PubMed] | # Baerlocher GM, Oppliger Leibundgut E, Ottmann OG, Spitzer G, Odenike O, McDevitt MA, Röth A, Daskalakis M, Burington B, Stuart M, Snyder DS. Telomerase Inhibitor Imetelstat in Patients with Essential Thrombocythemia. N Engl J Med. 2015 Sep 3;373(10):920-8. [http://www.nejm.org/doi/full/10.1056/NEJMoa1503479 link to original article] [https://www.ncbi.nlm.nih.gov/pubmed/26332546 PubMed] | ||
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Revision as of 22:26, 13 June 2018
Mechanism of action
From NCI Drug Dictionary: The sodium salt of imetelstat, a synthetic lipid-conjugated, 13-mer oligonucleotide N3' P5'-thio-phosphoramidate with potential antineoplastic activity. Complementary to the template region of telomerase RNA (hTR), imetelstat acts as a competitive enzyme inhibitor that binds and blocks the active site of the enzyme (a "telomerase template antagonist"), a mechanism of action which differs from that for the antisense oligonucleotide-mediated inhibition of telomerase activity through telomerase mRNA binding. Inhibition of telomerase activity in tumor cells by imetelstat results in telomere shortening, which leads to cell cycle arrest or apoptosis. Link to company website
Preliminary data
Myelofibrosis
- Tefferi A, Lasho TL, Begna KH, Patnaik MM, Zblewski DL, Finke CM, Laborde RR, Wassie E, Schimek L, Hanson CA, Gangat N, Wang X, Pardanani A. A Pilot Study of the Telomerase Inhibitor Imetelstat for Myelofibrosis. N Engl J Med. 2015 Sep 3;373(10):908-19. link to original article PubMed
Essential thrombocythemia
- Baerlocher GM, Oppliger Leibundgut E, Ottmann OG, Spitzer G, Odenike O, McDevitt MA, Röth A, Daskalakis M, Burington B, Stuart M, Snyder DS. Telomerase Inhibitor Imetelstat in Patients with Essential Thrombocythemia. N Engl J Med. 2015 Sep 3;373(10):920-8. link to original article PubMed