Fludrocortisone

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Fludrocortisone
Fludrocortisone.svg
Fludrocortisone-from-xtal-1972-3D-balls.png
Clinical data
Trade names Florinef, Astonin, others
Other namesStC-1400; 9α-Fluorohydrocortisone; 9α-Fluorocortisol; 9α-Fluoro-17α-hydroxycorticosterone; 9α-Fluoro-11β,17α,21-trihydroxypregn-4-ene-3,20-dione
AHFS/Drugs.com Monograph
Routes of
administration 		By mouth
Drug class Corticosteroid; glucocorticoid; mineralocorticoid
ATC code
Legal status
Legal status
Pharmacokinetic data
Protein binding High
Metabolism Liver
Elimination half-life 3.5 hours
Identifiers
  • (8S,9R,10S,11S,13S,14S,17R)-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one
CAS Number
PubChem CID
PubChemSID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
PDB ligand
CompTox Dashboard (EPA)
ECHA InfoCard 100.004.395 OOjs UI icon edit-ltr-progressive.svg
Chemical and physical data
Formula C21H29FO5
Molar mass 380.456 g·mol−1
3D model (JSmol)
  • O=C(CO)[C@]3(O)[C@]2(C[C@H](O)[C@]4(F)[C@@]1(/C(=C\C(=O)CC1)CC[C@H]4[C@@H]2CC3)C)C
  • InChI=1S/C21H29FO5/c1-18-7-5-13(24)9-12(18)3-4-15-14-6-8-20(27,17(26)11-23)19(14,2)10-16(25)21(15,18)22/h9,14-16,23,25,27H,3-8,10-11H2,1-2H3/t14-,15-,16-,18-,19-,20-,21-/m0/s1 Yes check.svgY
  • Key:AAXVEMMRQDVLJB-BULBTXNYSA-N Yes check.svgY
 X mark.svgNYes check.svgY  (what is this?)    (verify)
Fludrocortisone acetate
Fludrocortisone acetate.svg
Clinical data
Trade names Cortineff, Florinef, Florinefe, Fludrocortison, others
Other namesFluorohydrocortisone acetate; 9α-Fluorohydrocortisone 21-acetate; 9α-Fluoro-17α-hydroxycorticosterone 21-acetate; 9α-Fluoro-11β,17α,21-trihydroxypregn-4-ene-3,20-dione 21-acetate
Routes of
administration 		By mouth
Drug class Corticosteroid; glucocorticoid; mineralocorticoid
Pharmacokinetic data
Metabolism Liver
Identifiers
  • [2-[(8S,9R,10S,11S,13S,14S,17R)-9-fluoro-11,17-dihydroxy-10,13-dimethyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard 100.004.395 OOjs UI icon edit-ltr-progressive.svg
Chemical and physical data
Formula C23H31FO6
Molar mass 422.493 g·mol−1
3D model (JSmol)
Melting point 260 to 262 °C (500 to 504 °F) (dec.)
  • CC(=O)OCC(=O)[C@]1(CC[C@@H]2[C@@]1(C[C@@H]([C@]3([C@H]2CCC4=CC(=O)CC[C@@]43C)F)O)C)O
  • InChI=1S/C23H31FO6/c1-13(25)30-12-19(28)22(29)9-7-16-17-5-4-14-10-15(26)6-8-20(14,2)23(17,24)18(27)11-21(16,22)3/h10,16-18,27,29H,4-9,11-12H2,1-3H3/t16-,17-,18-,20-,21-,22-,23-/m0/s1
  • Key:SYWHXTATXSMDSB-GSLJADNHSA-N

Fludrocortisone, sold under the brand name Florinef among others, is a corticosteroid used to treat congenital adrenal hyperplasia, postural hypotension, and adrenal insufficiency. [3] [4] [5] In adrenal insufficiency, it is generally taken together with hydrocortisone. [5] Fludrocortisone is taken by mouth [5] and is most commonly used in its acetate form. [6]

Contents

Common side effects of fludrocortisone include high blood pressure, swelling, heart failure, and low blood potassium. [5] Other serious side effects can include low immune-system function, cataracts, muscle weakness, and mood changes. [5] Whether use of fludrocortisone during pregnancy is safe for the fetus is unknown. [7] Fludrocortisone is mostly a mineralocorticoid, but it also has glucocorticoid effects. [5]

Fludrocortisone was patented in 1953. [8] It is on the World Health Organization's List of Essential Medicines. [9]

Medical uses

Fludrocortisone has been used in the treatment of cerebral salt-wasting syndrome. [10] It is used primarily to replace the missing hormone aldosterone in various forms of adrenal insufficiency such as Addison's disease and the classic salt-wasting (21-hydroxylase deficiency) form of congenital adrenal hyperplasia. Due to its effects on increasing Na+ levels, and therefore blood volume, fludrocortisone is the first-line of treatment for orthostatic intolerance, and postural orthostatic tachycardia syndrome (POTS). [11] It can be used to treat low blood pressure. [12]

Fludrocortisone is also a confirmation test for diagnosing Conn's syndrome (aldosterone-producing adrenal adenoma), the fludrocortisone suppression test. Loading the patient with fludrocortisone would suppress serum aldosterone level in a normal patient, whereas the level would remain elevated in a Conn's patient. The fludrocortisone suppression test is an alternative to the NaCl challenge (which would use normal saline or salt tablets).[ medical citation needed ]

Side effects

Use of fludrocortisone can lead to one or more of the following side effects: [13]

Pharmacology

Fludrocortisone is a corticosteroid and acts as a powerful mineralocorticoid, along with some additional but comparatively very weak glucocorticoid activity. [14] Relative to cortisol, it is said to have 10 times the glucocorticoid potency but 250 to 800 times the mineralocorticoid potency. [14] [15] Fludrocortisone acetate is a prodrug of fludrocortisone, which is the active form of the drug. [16]

Plasma renin, sodium, and potassium are checked through blood tests to verify that the correct dosage is reached.[ medical citation needed ]

Chemistry

Fludrocortisone, also known as 9α-fluorocortisol (9α-fluorohydrocortisone) or as 9α-fluoro-11β,17α,21-trihydroxypregn-4-ene-3,20-dione, is a synthetic pregnane steroid and a halogenated derivative of cortisol (11β,17α,21-trihydroxypregn-4-ene-3,20-dione). [3] [4] Specifically, it is a modification of cortisol with a fluorine atom substituted in place of one hydrogen atom at the C9α position. [3] [4] Fluorine is a good bioisostere for hydrogen because it is similar in size, with the major difference being in its electronegativity. The acetate form of fludrocortisone, fludrocortisone acetate, is the C21 acetate ester of fludrocortisone, [3] [4] and is hydrolyzed into fludrocortisone in the body. [16]

History

Fludrocortisone was described in the literature in 1953 [17] and was introduced for medical use (as the acetate ester) in 1954. [15] [18] It was the first synthetic corticosteroid to be marketed, and followed the introduction of cortisone in 1948 and hydrocortisone (cortisol) in 1951. [17] [19] Fludrocortisone was also the first fluorine-containing pharmaceutical drug to be marketed. [20]

Society and culture

Generic name

Fludrocortisone is the generic name of fludrocortisone and its INN Tooltip International Nonproprietary Name, USAN Tooltip United States Adopted Name, BAN Tooltip British Approved Name, DCF Tooltip Dénomination Commune Française, and DCIT Tooltip Denominazione Comune Italiana, whereas fludrocortisone acetate is the generic name of fludrocortisone acetate and its USP Tooltip United States Pharmacopeia, BANM Tooltip British Approved Name, and JAN Tooltip Japanese Accepted Name. [3] [4] [21]

Brand names

Fludrocortisone is marketed mainly under the brand names Astonin and Astonin-H, whereas the more widely used fludrocortisone acetate is sold mainly as Florinef, but also under several other brand names including Cortineff, Florinefe, and Fludrocortison. [4] [21]

Availability

Fludrocortisone is marketed in Austria, Croatia, Denmark, Germany, Luxembourg, Romania, and Spain, whereas fludrocortisone acetate is more widely available throughout the world and is marketed in the United States, Canada, the United Kingdom, various other European countries, Australia, Japan, China, Brazil, and many other countries. [4] [21]

References

  1. ↑ "Florinef Acetate Product information". Health Canada . 14 August 1997. Retrieved 16 February 2025.
  2. ↑ "Florinef Product information". Health Canada . 31 December 2024. Retrieved 16 February 2025.
  3. 1 2 3 4 5 Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 558–. ISBN   978-1-4757-2085-3. Archived from the original on 5 November 2017.
  4. 1 2 3 4 5 6 7 Index Nominum 2000: International Drug Directory. Taylor & Francis. 2000. pp. 450–. ISBN   978-3-88763-075-1. Archived from the original on 5 November 2017.
  5. 1 2 3 4 5 6 "Fludrocortisone Acetate". The American Society of Health-System Pharmacists. Archived from the original on 5 July 2017. Retrieved 8 December 2016.
  6. ↑ Day RO, Furst DE, van Riel PL, Bresnihan B, eds. (30 May 2010). "Medicinal Chemistry of the Disease Modifying Antirheumatic Drugs". Antirheumatic Therapy: Actions and Outcomes. Springer Science & Business Media. pp. 21–. ISBN   978-3-7643-7726-7. Archived from the original on 5 November 2017.
  7. ↑ "Fludrocortisone Use During Pregnancy". Drugs.com. Archived from the original on 24 December 2016. Retrieved 24 December 2016.
  8. ↑ Fischer J, Ganellin CR (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 484. ISBN   9783527607495. Archived from the original on 5 November 2017.
  9. ↑ World Health Organization (2019). World Health Organization model list of essential medicines: 21st list 2019. Geneva: World Health Organization. hdl: 10665/325771 . WHO/MVP/EMP/IAU/2019.06. License: CC BY-NC-SA 3.0 IGO.
  10. ↑ Taplin CE, Cowell CT, Silink M, Ambler GR (December 2006). "Fludrocortisone therapy in cerebral salt wasting". Pediatrics. 118 (6): e1904 –e1908. doi:10.1542/peds.2006-0702. PMID   17101713. S2CID   28871495.
  11. ↑ Freitas J, Santos R, Azevedo E, Costa O, Carvalho M, de Freitas AF (October 2000). "Clinical improvement in patients with orthostatic intolerance after treatment with bisoprolol and fludrocortisone". Clinical Autonomic Research. 10 (5): 293–299. doi:10.1007/BF02281112. PMID   11198485. S2CID   20843222.
  12. ↑ Veazie S, Peterson K, Ansari Y, Chung KA, Gibbons CH, Raj SR, et al. (May 2021). "Fludrocortisone for orthostatic hypotension". The Cochrane Database of Systematic Reviews. 2021 (5): CD012868. doi:10.1002/14651858.CD012868.pub2. PMC   8128337 . PMID   34000076.
  13. ↑ "Fludrocortisone Oral: Uses, Side Effects, Interactions, Pictures, Warnings & Dosing - WebMD". www.webmd.com. Retrieved 5 September 2023.
  14. 1 2 De Groot LJ, Chrousos G, Dungan K, Feingold KR, Grossman A, Hershman JM, et al. (2000). "Glucocorticoid Therapy and Adrenal Suppression". In Feingold KR, Anawalt B, Blackman MR, Boyce A, Chrousos G, Corpas E, et al. (eds.). Endotext [Internet]. South Dartmouth (MA): MDText.com, Inc. PMID   25905379.{{cite book}}: CS1 maint: overridden setting (link)
  15. 1 2 Lemke TL, Williams DA (2008). Foye's Principles of Medicinal Chemistry. Lippincott Williams & Wilkins. pp. 890–. ISBN   978-0-7817-6879-5. Archived from the original on 5 November 2017.
  16. 1 2 Polito A, Hamitouche N, Ribot M, Polito A, Laviolle B, Bellissant E, et al. (December 2016). "Pharmacokinetics of oral fludrocortisone in septic shock". British Journal of Clinical Pharmacology. 82 (6): 1509–1516. doi:10.1111/bcp.13065. PMC   5099539 . PMID   27416887.{{cite journal}}: CS1 maint: overridden setting (link)
  17. 1 2 Calvert DN (August 1962). "Anti-inflammatory steroids". Wisconsin Medical Journal. 61: 403–404. PMID   13875857.
  18. ↑ William Andrew Publishing (22 October 2013). Pharmaceutical Manufacturing Encyclopedia, 3rd Edition. Elsevier. pp. 1642–. ISBN   978-0-8155-1856-3. Archived from the original on 5 November 2017.
  19. ↑ Khan MO, Park KK, Lee HJ (2005). "Antedrugs: an approach to safer drugs". Current Medicinal Chemistry. 12 (19): 2227–2239. doi:10.2174/0929867054864840. PMID   16178782.
  20. ↑ Walker MC, Chang MC (September 2014). "Natural and engineered biosynthesis of fluorinated natural products". Chemical Society Reviews. 43 (18): 6527–6536. doi:10.1039/c4cs00027g. PMID   24776946. S2CID   205904152.
  21. 1 2 3 "Fludrocortisone Uses, Side Effects & Warnings". Archived from the original on 13 May 2015. Retrieved 16 July 2017.
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