Dactinomycin

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Dactinomycin
Actinomycin D.png
Actinomycin D sticks.png
Clinical data
Trade names Cosmegen
Synonyms Actinomycin D
2-Amino- 4,6-dimethyl- 3-oxo- 3H-phenoxazine- 1,9-dicarboxylic acid bis- [(5,12-diisopropyl- 9,13,16-trimethyl- 4,7,11,14,17-pentaoxo- hexadecahydro- 10-oxa- 3a,6,13,16-tetraaza- cyclopentacyclohexadecen- 8-yl)- amide]
AHFS/Drugs.com Monograph
MedlinePlus a682224
Pregnancy
category
  • AU: D
  • US: D (Evidence of risk)
Routes of
administration
IV
ATC code
Legal status
Legal status
Pharmacokinetic data
Protein binding 5%
Biological half-life 36 hours
Identifiers
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
NIAID ChemDB
ECHA InfoCard 100.000.058
Chemical and physical data
Formula C62H86N12O16
Molar mass 1255.42 g/mol
 NYesY (what is this?)  (verify)

Dactinomycin, also known as actinomycin D, is a chemotherapy medication used to treat a number of types of cancer.[1] This includes Wilms tumor, rhabdomyosarcoma, Ewing's sarcoma, trophoblastic neoplasm, testicular cancer, and certain types of ovarian cancer.[1] It is given by injection into a vein.[1]

Most people develop side effects.[1] Common side effects include bone marrow suppression, vomiting, mouth ulcers, hair loss, liver problems, infections, and muscle pains.[1] Other serious side effects include future cancers, allergic reactions, and tissue death at the site of injection.[1] Use in pregnancy may harm the baby.[1] Dactinomycin is in the cytotoxic antibiotic family of medications.[2] It is believed to work by blocking the creation of RNA.[1]

Dactinomycin was approved for medical use in the United States in 1964.[1] It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system.[3] The wholesale cost in the developing world is about 24.73 USD per 500 mcg vial.[4] It is produced from bacteria Streptomyces parvullus.[1]

Medical use[edit]

Actinomycin is a clear, yellow liquid administered intravenously and most commonly used in treatment of a variety of cancers, including:

Sometimes it will be combined with other drugs in chemotherapy regimens, like the VAC regimen (with vincristine and cyclophosphamide) for treating rhabdomyosarcoma and Ewing's sarcoma.

It is also used as a radiosensitizer in adjunct to radiotherapies, since it can increase the radiosensitivity of tumor cells by inhibiting repair of sublethal radiation damage and delay the onset of the compensatory hyperplasia that occurs following irradiation.[10]

Side effects[edit]

Common adverse drug reaction includes bone marrow suppression, fatigue, hair loss, mouth ulcer, loss of appetite and diarrhea. Actinomycin is a vesicant, if extravasation occurs.

Mechanism[edit]

In cell biology, actinomycin D is shown to have the ability to inhibit transcription. Actinomycin D does this by binding DNA at the transcription initiation complex and preventing elongation of RNA chain by RNA polymerase.[11]

History[edit]

Actinomycin D was the first antibiotic shown to have anti-cancer activity.[12] It was first isolated by Selman Waksman and his co-worker H. Boyd Woodruff in 1940.[13] It was approved by the U.S. Food and Drug Administration (FDA) on December 10, 1964 and launched by Merck Sharp and Dohme under the trade name Cosmegen.

Research use[edit]

Because actinomycin can bind DNA duplexes, it can also interfere with DNA replication, although other chemicals such as hydroxyurea are better suited for use in the laboratory as inhibitors of DNA synthesis.

Actinomycin D and its fluorescent derivative, 7-aminoactinomycin D (7-AAD), are used as stains in microscopy and flow cytometry applications. The affinity of these stains/compounds for GC-rich regions of DNA strands makes them excellent markers for DNA. 7-AAD binds to single stranded DNA; therefore it is a useful tool in determining apoptosis and distinguishing between dead cells and live ones.[14]

References[edit]

  1. ^ a b c d e f g h i j "Dactinomycin". The American Society of Health-System Pharmacists. Archived from the original on 11 September 2017. Retrieved 8 December 2016. 
  2. ^ British national formulary : BNF 69 (69 ed.). British Medical Association. 2015. p. 582. ISBN 9780857111562. 
  3. ^ "WHO Model List of Essential Medicines (19th List)" (PDF). World Health Organization. April 2015. Archived (PDF) from the original on 13 December 2016. Retrieved 8 December 2016. 
  4. ^ "Dactinomycin". International Drug Price Indicator Guide. Retrieved 8 December 2016. 
  5. ^ Turan T; Karacay O; Tulunay G; Boran N; Koc S; Bozok S; Kose M (2006). "Results with EMA/CO (etoposide, methotrexate, actinomycin D, cyclophosphamide, vincristine) chemotherapy in gestational trophoblastic neoplasia". Int J Gynecol Cancer. 16 (3): 1432–8. PMID 16803542. doi:10.1111/j.1525-1438.2006.00606.x. 
  6. ^ D'Angio GJ; Evans A; Breslow N; Beckwith B; Bishop H; Farewell V; Goodwin W; Leape L; Palmer N; Sinks L; Sutow W; Tefft M; Wolff J (1981). "The treatment of Wilms' tumor: results of the Second National Wilms' Tumor Study.". Cancer. 47 (9): 2302–11. PMID 6164480. doi:10.1002/1097-0142(19810501)47:9<2302::aid-cncr2820470933>3.0.co;2-k. 
  7. ^ Khatua S; Nair C; Ghosh K (2004). "Immune-mediated thrombocytopenia following dactinomycin therapy in a child with alveolar rhabdomyosarcoma: the unresolved issues". J Pediatr Hematol Oncol. 26 (11): 777–9. PMID 15543019. doi:10.1097/00043426-200411000-00020. 
  8. ^ Jaffe, N.; Paed, D.; Traggis, D.; Salian, S.; Cassady, J. R. (1976). "Improved outlook for Ewing's sarcoma with combination chemotherapy (vincristine, actinomycin D and cyclophosphamide) and radiation therapy". Cancer. 38 (5): 1925–1930. PMID 991106. doi:10.1002/1097-0142(197611)38:5<1925::AID-CNCR2820380510>3.0.CO;2-J. 
  9. ^ Uberti, E. M. H.; Fajardo, M. D. C.; Ferreira, S. V. V. R.; Pereira, M. C. V.; Seger, R. C.; Moreira, M. A. L. R.; Torres, M. D.; De Nápoli, G.; Schmid, H. (2009). "Reproductive outcome after discharge of patients with high-risk hydatidiform mole with or without use of one bolus dose of actinomycin D, as prophylactic chemotherapy, during the uterine evacuation of molar pregnancy". Gynecologic Oncology. 115 (3): 476–481. PMID 19818481. doi:10.1016/j.ygyno.2009.09.012. 
  10. ^ Hagemann, R. F.; Concannon, J. P. (1973). "Mechanism of intestinal radiosensitization by actinomycin D". British Journal of Radiology. 46 (544): 302–308. PMID 4720744. doi:10.1259/0007-1285-46-544-302. 
  11. ^ Sobell H (1985). "Actinomycin and DNA transcription". Proceedings of the National Academy of Sciences of the United States of America. 82 (16): 5328–31. PMC 390561Freely accessible. PMID 2410919. doi:10.1073/pnas.82.16.5328. 
  12. ^ Hollstein, U. (1974). "Actinomycin. Chemistry and mechanism of action". Chemical Reviews. 74 (6): 625–652. doi:10.1021/cr60292a002. 
  13. ^ Waksman S A; Woodruff H B (1940). "Bacteriostatic and bacteriocidal substances produced by soil actinomycetes". Proc Soc Exper Biol. 45: 609–614. 
  14. ^ Toba, K.; Koike, T.; Watanabe, K.; Fuse, I.; Takahashi, M.; Hashimoto, S.; Takahashi, H.; Abe, T.; Yano, T.; Shibazaki, Y.; Itoh, H.; Aizawa, Y. (2000). "Cell kinetic study of normal humanbone marrow hematopoiesis andacute leukemia using 7AAD/PY". European Journal of Haematology. 64 (1): 10–21. PMID 10680701. doi:10.1034/j.1600-0609.2000.09005.x. 

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