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Romidepsin

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Romidepsin
Skeletal formula of romidepsin
Clinical data
Trade namesIstodax
Other namesFK228; FR901228; Istodax
MedlinePlusa610005
License data
Routes of
administration		Intravenous infusion
ATC code
Legal status
Legal status
Pharmacokinetic data
BioavailabilityNot applicable (IV only)
Protein binding92–94%
MetabolismLiver (mostly CYP3A4-mediated)
Elimination half-life3 hours
Identifiers
  • (1S,4S,7Z,10S,16E,21R)-7-Ethylidene-4,21-diisopropyl-2-oxa-12,13-dithia-5,8,20,23-tetrazabicyclo[8.7.6]tricos-16-ene-3,6,9,19,22-pentone
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.211.884 Edit this at Wikidata
Chemical and physical data
FormulaC24H36N4O6S2
Molar mass540.69 g·mol−1
3D model (JSmol)
  • C/C=C\1/C(=O)N[C@H](C(=O)O[C@H]\2CC(=O)N[C@@H](C(=O)N[C@H](CSSCC/C=C2)C(=O)N1)C(C)C)C(C)C
  • InChI=1S/C24H36N4O6S2/c1-6-16-21(30)28-20(14(4)5)24(33)34-15-9-7-8-10-35-36-12-17(22(31)25-16)26-23(32)19(13(2)3)27-18(29)11-15/h6-7,9,13-15,17,19-20H,8,10-12H2,1-5H3,(H,25,31)(H,26,32)(H,27,29)(H,28,30)/b9-7+,16-6-/t15-,17-,19-,20+/m1/s1
  • Key:OHRURASPPZQGQM-GCCNXGTGSA-N
 ☒NcheckY (what is this?)  (verify)

Romidepsin, sold under the brand name Istodax, is an anticancer agent used in cutaneous T-cell lymphoma (CTCL) and other peripheral T-cell lymphomas (PTCLs). Romidepsin is a natural product obtained from the bacterium Chromobacterium violaceum, and works by blocking enzymes known as histone deacetylases, thus inducing apoptosis.[2] It is sometimes referred to as depsipeptide, after the class of molecules to which it belongs. Romidepsin is branded and owned by Gloucester Pharmaceuticals, a part of Celgene.[3]

History

[edit]

Romidepsin was first reported in the scientific literature in 1994, by a team of researchers from Fujisawa Pharmaceutical Company (now Astellas Pharma) in Tsukuba, Japan, who isolated it in a culture of Chromobacterium violaceum from a soil sample obtained in Yamagata Prefecture.[4] It was found to have little to no antibacterial activity, but was potently cytotoxic against several human cancer cell lines, with no effect on normal cells; studies on mice later found it to have antitumor activity in vivo as well.[4]

The first total synthesis of romidepsin was accomplished by Harvard researchers and published in 1996.[5] Its mechanism of action was elucidated in 1998, when researchers from Fujisawa and the University of Tokyo found it to be a histone deacetylase inhibitor with effects similar to those of trichostatin A.[6]

Clinical trials

[edit]

Phase I studies of romidepsin, initially codenamed FK228 and FR901228, began in 1997.[7] Phase II and phase III trials were conducted for a variety of indications. The most significant results were found in the treatment of cutaneous T-cell lymphoma (CTCL) and other peripheral T-cell lymphomas (PTCLs).[7]

In 2004, romidepsin received Fast Track designation from the FDA for the treatment of cutaneous T-cell lymphoma, and orphan drug status from the FDA and the European Medicines Agency for the same indication.[7]

The FDA approved romidepsin for CTCL in November 2009[8] and approved romidepsin for other peripheral T-cell lymphomas (PTCLs) in June 2011.[9]

A randomised, phase III trial of romidepsin + CHOP chemotherapy vs CHOP chemotherapy for patients with peripheral T cell lymphoma returned negative results, having no significant impact on progression free survival or overall survival.[10]

Pre-clinical HIV study

[edit]

In 2014, PLOS Pathogens published a study involving romidepsin in a trial designed to reactivate latent HIV virus in order to deplete the HIV reservoir. Latently infected T-cells were exposed in vitro and ex vivo to romidepsin, leading to an increase in detectable levels of cell-associated HIV RNA. The trial also compared the effect of romidepsin to another histone deacetylase inhibitor, Vorinostat[11]

Autism study in animal model

[edit]

A study involving romidepsin in an animal study that showed that a brief treatment with low amounts of romidepsin could reverse social deficits in a mouse model of autism.[12]

Pharmacodynamics

[edit]

In a Phase II trial of romidepsin involving patients with CTCL or PTCL, there was evidence of increased histone acetylation in peripheral blood mononuclear cells (PBMCs) extending 4–48 hours. Expression of the ABCB1 gene, a marker of romidepsin-induced gene expression, was also increased in both PBMCs and tumor biopsy samples. Increased gene expression following increased histone acetylation is an expected effect of an HDAC inhibitor. Increased hemoglobin F (another surrogate marker for gene-expression changes resulting from HDAC inhibition) was also detected in blood after romidepsin administration, and persistent histone acetylation was inversely associated with drug clearance and directly associated with patient response to therapy.[13]

Dosage and administration

[edit]

The approved dosage of romidepsin in both CTCL and PTCL is a four-hour i.v. administration of 14 mg/m2 on days 1, 8, and 15 of a 28-day treatment cycle.[6] This cycle should be repeated as long as the patient continues to benefit and tolerate the therapy. A dose reduction to 10 mg/m2 is possible in some patients who experience high-grade toxicities.

Pharmacokinetics

[edit]

In trials involving patients with advanced cancers, romidepsin exhibited linear pharmacokinetics across doses ranging from 1.0 to 24.9 mg/m2 when administered intravenously over four hours.[14] Age, race, sex, mild-to-severe renal impairment, and mild-to-moderate hepatic impairment had no effect on romidepsin pharmacokinetics. No accumulation of plasma concentration was observed after repeated dosing.[6]

Mechanism of action

[edit]

Romidepsin acts as a prodrug with the disulfide bond undergoing reduction within the cell to release a zinc-binding thiol.[4][15][16] The thiol binds to a zinc atom in the binding pocket of Zn-dependent histone deacetylase to block its activity. Thus it is an HDAC inhibitor. Many HDAC inhibitors are potential treatments for cancer through the ability to epigenetically restore normal expression of tumor suppressor genes, which may result in cell cycle arrest, differentiation, and apoptosis.[17]

Adverse effects

[edit]

The use of romidepsin is uniformly associated with adverse effects.[18] In clinical trials, the most common were nausea and vomiting, fatigue, infection, loss of appetite, and blood disorders (including anemia, thrombocytopenia, and leukopenia). It has also been associated with infections, and with metabolic disturbances (such as abnormal electrolyte levels), skin reactions, altered taste perception, and changes in cardiac electrical conduction.[18]

References

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  1. ^ "Romidepsin-MSN, Romidepsin-Reach (Reach Pharmaceuticals Pty Ltd)". Therapeutic Goods Administration (TGA). 13 January 2023. Archived from the original on 18 March 2023. Retrieved 29 April 2023.
  2. ^ "Romidepsin". National Cancer Institute. Archived from the original on 2009-05-09. Retrieved 2009-09-11.
  3. ^ "Romidepsin". Gloucester Pharmaceuticals. Retrieved 2009-09-11.[permanent dead link‍]
  4. ^ a b c Ueda H, Nakajima H, Hori Y, Fujita T, Nishimura M, Goto T, Okuhara M (March 1994). "FR901228, a novel antitumor bicyclic depsipeptide produced by Chromobacterium violaceum No. 968. I. Taxonomy, fermentation, isolation, physico-chemical and biological properties, and antitumor activity". The Journal of Antibiotics. 47 (3): 301–310. doi:10.7164/antibiotics.47.301. PMID 7513682.
  5. ^ Li KW, Wu J, Xing W, Simon JA (July 1996). "Total synthesis of the antitumor depsipeptide FR-901,228". Journal of the American Chemical Society. 118 (30): 7237–8. Bibcode:1996JAChS.118.7237L. doi:10.1021/ja9613724.
  6. ^ a b c Nakajima H, Kim YB, Terano H, Yoshida M, Horinouchi S (May 1998). "FR901228, a potent antitumor antibiotic, is a novel histone deacetylase inhibitor". Experimental Cell Research. 241 (1): 126–133. doi:10.1006/excr.1998.4027. PMID 9633520.
  7. ^ a b c Masuoka Y, Shindoh N, Inamura N (2008). "Histone deacetylase inhibitors from microorganisms: the Astellas experience". In Petersen F, Amstutz R (eds.). Natural compounds as drugs. Vol. 2. Basel: Birkhäuser. pp. 335–59. ISBN 978-3-7643-8594-1. Retrieved on November 8, 2009 through Google Book Search.
  8. ^ "New Drug Approvals - Pt. XXII - Romidepsin (Istodax)". Archived from the original on 2016-03-03. Retrieved 2009-12-03.
  9. ^ "Drugs@FDA: FDA-Approved Drugs". Archived from the original on 2013-07-24. Retrieved 2015-08-31.
  10. ^ "Final Analysis of the Ro-CHOP Phase III Study (Conducted by LYSA): Romidepsin Plus CHOP in Patients with Peripheral T-Cell Lymphoma". 5 December 2020. Archived from the original on 21 May 2021. Retrieved 21 May 2021.
  11. ^ Wei DG, Chiang V, Fyne E, Balakrishnan M, Barnes T, Graupe M, et al. (April 2014). "Histone deacetylase inhibitor romidepsin induces HIV expression in CD4 T cells from patients on suppressive antiretroviral therapy at concentrations achieved by clinical dosing". PLOS Pathogens. 10 (4): e1004071. doi:10.1371/journal.ppat.1004071. PMC 3983056. PMID 24722454.
  12. ^ Qin L, Ma K, Wang ZJ, Hu Z, Matas E, Wei J, Yan Z (April 2018). "Social deficits in Shank3-deficient mouse models of autism are rescued by histone deacetylase (HDAC) inhibition". Nature Neuroscience. 21 (4): 564–575. doi:10.1038/s41593-018-0110-8. PMC 5876144. PMID 29531362.
  13. ^ Bates SE, Zhan Z, Steadman K, Obrzut T, Luchenko V, Frye R, et al. (January 2010). "Laboratory correlates for a phase II trial of romidepsin in cutaneous and peripheral T-cell lymphoma". British Journal of Haematology. 148 (2): 256–267. doi:10.1111/j.1365-2141.2009.07954.x. PMC 2838427. PMID 19874311.
  14. ^ Bradner JE, West N, Grachan ML, Greenberg EF, Haggarty SJ, Warnow T, Mazitschek R (March 2010). "Chemical phylogenetics of histone deacetylases". Nature Chemical Biology. 6 (3): 238–243. doi:10.1038/nchembio.313. PMC 2822059. PMID 20139990.
  15. ^ Shigematsu N, Ueda H, Takase S, Tanaka H, Yamamoto K, Tada T (March 1994). "FR901228, a novel antitumor bicyclic depsipeptide produced by Chromobacterium violaceum No. 968. II. Structure determination". The Journal of Antibiotics. 47 (3): 311–314. doi:10.7164/antibiotics.47.311. PMID 8175483.
  16. ^ Ueda H, Manda T, Matsumoto S, Mukumoto S, Nishigaki F, Kawamura I, Shimomura K (March 1994). "FR901228, a novel antitumor bicyclic depsipeptide produced by Chromobacterium violaceum No. 968. III. Antitumor activities on experimental tumors in mice". The Journal of Antibiotics. 47 (3): 315–323. doi:10.7164/antibiotics.47.315. PMID 8175484.
  17. ^ Greshock TJ, Johns DM, Noguchi Y, Williams RM (February 2008). "Improved total synthesis of the potent HDAC inhibitor FK228 (FR-901228)". Organic Letters. 10 (4): 613–616. doi:10.1021/ol702957z. PMC 3097137. PMID 18205373.
  18. ^ a b "Istodax- romidepsin kit". DailyMed. U.S. National Library of Medicine. 30 July 2021. Archived from the original on 26 November 2022. Retrieved 29 April 2023.
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