Chemistry:Obatoclax

From HandWiki
Obatoclax
Obatoclax.svg
Names
IUPAC name
2-(2-((3,5-Dimethyl-1H-pyrrol-2-yl)methylene)-3-methoxy-2H-pyrrol-5-yl)-1H-indole
Other names
GX15-070
Identifiers
3D model (JSmol)
ChemSpider
UNII
Properties
C20H19N3O
Molar mass 317.392 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Tracking categories (test):

Obatoclax mesylate, also known as GX15-070, is an experimental drug for the treatment of various types of cancer. It was discovered by Gemin X, which was acquired by Cephalon, which has since been acquired by Teva Pharmaceuticals.[1] Several Phase II clinical trials were completed that investigated use of Obatoclax in the treatment of leukemia, lymphoma, myelofibrosis, and mastocytosis.[2][3][4]

Mechanism of action

Obatoclax is an inhibitor of the Bcl-2 family of proteins.[5] This inhibition induces apoptosis in cancer cells, preventing tumor growth. Solubility has been an issue in the development of the drug.[6]

Clinical trials

Clinical trial results have been published for treatment of acute myeloid leukemia,[7] small cell lung cancer,[8] Hodgkin's lymphoma,[9] myelodysplastic syndromes,[10]

Teva halted a phase III trial in patients with lung cancer before it had begun, citing "business decisions" as the reason.[11]

See also

References

  1. ↑ Cephalon Announces Definitive Agreement to Acquire Gemin X, March 21, 2011
  2. ↑ Parikh, Sameer A.; Kantarjian, Hagop; Schimmer, Aaron; Walsh, William; Asatiani, Ekatherine; El-Shami, Khaled; Winton, Elliott; Verstovsek, Srdan (2010). "Phase II Study of Obatoclax Mesylate (GX15-070), a Small-Molecule BCL-2 Family Antagonist, for Patients with Myelofibrosis". Clinical Lymphoma, Myeloma & Leukemia 10 (4): 285–9. doi:10.3816/CLML.2010.n.059. PMID 20709666. 
  3. ↑ Gemin X Presents New Data on Obatoclax at the American Society of Hematology Meeting, Dec 9, 2008
  4. ↑ Obatoclax at ClinicalTrials.gov
  5. ↑ Konopleva, M.; Watt, J.; Contractor, R.; Tsao, T.; Harris, D.; Estrov, Z.; Bornmann, W.; Kantarjian, H. et al. (2008). "Mechanisms of Antileukemic Activity of the Novel Bcl-2 Homology Domain-3 Mimetic GX15-070 (Obatoclax)". Cancer Research 68 (9): 3413–20. doi:10.1158/0008-5472.CAN-07-1919. PMID 18451169. 
  6. ↑ Nguyen, Mai; Cencic, Regina; Ertel, Franziska; Bernier, Cynthia; Pelletier, Jerry; Roulston, Anne; Silvius, John R.; Shore, Gordon C. (2015). "Obatoclax is a direct and potent antagonist of membrane-restricted Mcl-1 and is synthetic lethal with treatment that induces Bim". BMC Cancer 15: 568. doi:10.1186/s12885-015-1582-5. PMID 26231047. 
  7. ↑ Schimmer, Aaron D.; Raza, Azra; Carter, Thomas H.; Claxton, David; Erba, Harry; Deangelo, Daniel J.; Tallman, Martin S.; Goard, Carolyn et al. (2014). "A Multicenter Phase I/II Study of Obatoclax Mesylate Administered as a 3- or 24-Hour Infusion in Older Patients with Previously Untreated Acute Myeloid Leukemia". PLOS ONE 9 (10): e108694. doi:10.1371/journal.pone.0108694. PMID 25285531. Bibcode: 2014PLoSO...9j8694S. 
  8. ↑ Langer, Corey J.; Albert, Istvan; Ross, Helen J.; Kovacs, Peter; Blakely, L. Johnetta; Pajkos, Gabor; Somfay, Attila; Zatloukal, Petr et al. (2014). "Randomized phase II study of carboplatin and etoposide with or without obatoclax mesylate in extensive-stage small cell lung cancer". Lung Cancer 85 (3): 420–8. doi:10.1016/j.lungcan.2014.05.003. PMID 24997137. 
  9. ↑ Oki, Y.; Copeland, A.; Hagemeister, F.; Fayad, L. E.; Fanale, M.; Romaguera, J.; Younes, A. (2012). "Experience with obatoclax mesylate (GX15-070), a small molecule pan-Bcl-2 family antagonist in patients with relapsed or refractory classical Hodgkin lymphoma". Blood 119 (9): 2171–2. doi:10.1182/blood-2011-11-391037. PMID 22383790. 
  10. ↑ Arellano, Martha L.; Borthakur, Gautam; Berger, Mark; Luer, Jill; Raza, Azra (2014). "A Phase II, Multicenter, Open-Label Study of Obatoclax Mesylate in Patients with Previously Untreated Myelodysplastic Syndromes with Anemia or Thrombocytopenia". Clinical Lymphoma, Myeloma & Leukemia 14 (6): 534–9. doi:10.1016/j.clml.2014.04.007. PMID 25052051. 
  11. ↑ Clinical trial number NCT01563601 for "Efficacy and Safety of Obatoclax Mesylate in Combination With Carboplatin and Etoposide Compared With Carboplatin and Etoposide Alone in Chemotherapy-Naive Patients With Extensive-Stage Small Cell Lung Cancer" at ClinicalTrials.gov




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