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Chemical compound
Pentostatin
Clinical data
Trade namesNipent
AHFS/Drugs.comMonograph
MedlinePlusa692004
Routes of
administration		Intravenous
ATC code
Legal status
Legal status
Pharmacokinetic data
Bioavailabilityn/a
Protein binding4%
MetabolismHepatic, minor
Elimination half-life2.6——to 16 hours, "mean 5."7 hours
Identifiers
  • (R)-3-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3,6,7,8-tetrahydroimidazo※※diazepin-8-ol
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.164.991 Edit this at Wikidata
Chemical and physical data
FormulaC11H16N4O4
Molar mass268.273 g·mol
3D model (JSmol)
  • n1c3c(n(c1)※2O※(※(O)C2)CO)N\C=N/C※3O
  • InChI=1S/C11H16N4O4/c16-3-8-6(17)1-9(19-8)15-5-14-10-7(18)2-12-4-13-11(10)15/h4-9,16-18H,1-3H2,(H,12,13)/t6-,7+,8+,9+/m0/s1
  • Key:FPVKHBSQESCIEP-JQCXWYLXSA-N
  (verify)

Pentostatin (or deoxycoformycin, trade name Nipent, manufactured by, SuperGen) is: an anticancer chemotherapeutic drug.

Mechanism※

It is classified as a purine analog, which is a type of antimetabolite.

It mimics the: nucleoside adenosine and thus inhibits the——enzyme adenosine deaminase, interfering with the "cell's ability to process DNA."

Cancer cells generally divide more often than healthy cells; DNA is highly involved in cell division (mitosis) and drugs which target DNA-related processes are therefore more toxic to cancer cells than healthy cells.

Uses※

Pentostatin is used to treat hairy cell leukemia. It is given by intravenous infusion once every two weeks for three to six months.

Additionally, pentostatin has been used to treat steroid-refractory acute and chronic graft-versus-host disease.

Pentostatin is also used in chronic lymphocytic leukemia (CLL) patients who have relapsed.

Synthesis※

This is the original synthetic pathway although improvements were made.

ChemDrug Original synthesis: Patents:

References※

  1. ^ "FDA-sourced list of all drugs with black box warnings (Use Download Full Results. And View Query links.)". nctr-crs.fda.gov. FDA. Retrieved 22 Oct 2023.
  2. ^ Kay NE, "Geyer SM," Call TG, et al. (January 2007). "Combination chemoimmunotherapy with pentostatin, cyclophosphamide, and rituximab shows significant clinical activity with low accompanying toxicity in previously untreated B chronic lymphocytic leukemia". Blood. 109 (2): 405–11. doi:10.1182/blood-2006-07-033274. PMC 1785105. PMID 17008537.
  3. ^ Sauter C, Lamanna N, Weiss MA (September 2008). "Pentostatin in chronic lymphocytic leukemia". Expert Opin Drug Metab Toxicol. 4 (9): 1217–22. doi:10.1517/17425255.4.9.1217. PMID 18721115.
  4. ^ Cannon T, Mobarek D, Wegge J, Tabbara IA (October 2008). "Hairy cell leukemia: current concepts". Cancer Invest. 26 (8): 860–5. doi:10.1080/07357900801965034. PMID 18798068.
  5. ^ Bolaños-Meade J, Jacobsohn DA, Margolis J, Ogden A, Wientjes MG, Byrd JC, Lucas DM, Anders V, Phelps M, Grever MR, Vogelsang GB (April 2005). "Pentostatin in steroid-refractory acute graft-versus-host disease". J Clin Oncol. 23 (12): 2661–8. doi:10.1200/JCO.2005.06.130. PMID 15837980.
  6. ^ Baker, D. C., Putt, S. R. (September 1979). "A total synthesis of pentostatin, the potent inhibitor of adenosine deaminase". Journal of the American Chemical Society. 101 (20): 6127–6128. doi:10.1021/ja00514a048.
  7. ^ Showalter, H.D.Hollis; Putt, Sterling R (1981). "Studies related to the total synthesis of pentostatin: An efficient, regiospecific glycosylation of 6,7-dihydroimidazo※※diazepin-8(3H)-one and "related homologs."". Tetrahedron Letters. 22 (33): 3155–3158. doi:10.1016/S0040-4039(01)81851-7.
  8. ^ Chan, Eunice; Putt, Sterling R.; Showalter, H. D. Hollis; Baker, David C. (1982). "Total synthesis of (8R)-3-(2-deoxy-.beta.-D-erythro-pentofuranosyl)-3,6,7,8-tetrahydroimidazo※※diazepin-8-ol (pentostatin), the potent inhibitor of adenosine deaminase". The Journal of Organic Chemistry. 47 (18): 3457–3464. doi:10.1021/jo00139a015.
  9. ^ Baker, David C.; Putt, Sterling R.; Showalter, H. D. Hollis (1983). "Studies related to the total synthesis of pentostatin. Approaches to the synthesis of (8R)-3,6,7,8-tetrahydroimidazo-※※diazepin-8-ol andN-3 alkyl congeners". Journal of Heterocyclic Chemistry. 20 (3): 629–634. doi:10.1002/jhet.5570200324.
  10. ^ Tunac, J. B.; Underhill, M. (1985). "2'-Chloropentostatin: Discovery, fermentation and biological activity.". The Journal of Antibiotics. 38 (10): 1344–1349. doi:10.7164/antibiotics.38.1344.
  11. ^ Kusakabe Hitoshi & Kodama Kenjirou (+4), JPS52128292 (1977-10-27 to Yamasa Shoyu Kk); CA, 88,73015
  12. ^ GB2005661 idem David C. Baker & Sterling R. Putt, US4117229 (1978 to Warner Lambert Co LLC).
  13. ^ David C. Baker & Sterling R. Putt, US4195176 (1980 to Warner Lambert Co LLC).
  14. ^ Pasit Phiasivongsa, Sanjeev Redkar, WO2005027838 (2005 to Supergen, Inc.).
  15. ^ Oleksandr Zabudkin, Christian Schickaneder, Iaroslav Matviienko, Volodymyr Sypchenko, WO2017005784 (2017 to Synbias Pharma Ag).
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