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Mometasone furoate

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Mometasone furoate

Mometasone furoate
Systematic (IUPAC) name
(11β,16α)-9,21-dichloro-11-hydroxy-16-methyl-3,20-dioxopregna-1,4-dien-17-yl 2-furoate
Clinical data
Trade names Elocon Elocom, Elomet, Elosalic Novasone Nasonex Asmanex Twisthaler Essex pharma markets the medication under the brand name Ecural mometAid.
  • US: C (Risk not ruled out)
Legal status
  • Rx Only (US)
Routes of
topical, inhalation
Pharmacokinetic data
Bioavailability Nasal spray is virtually undetectable in plasma; but systemic availability is comparable to fluticasone.[1]
Protein binding 98% to 99%
Metabolism hepatic
Biological half-life 5.8 hours
CAS Registry Number  Y 83919-23-7
ATC code D07 R01, R03
PubChem CID:
DrugBank  N
ChemSpider  Y
Synonyms (9R,10S,11S,13S,14S,16R,17R)-9-chloro-17-(2-chloroacetyl)-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
Chemical data
Formula C22H28Cl2O4 for Mometasone
C27H30O6Cl2 as Furoate
Molecular mass 427.361 g/mol (Mometasone)
521.4 g/mol (Furoate)

Mometasone furoate is a glucocorticosteroid used topically to reduce inflammation of the skin or in the airways. It is a prodrug of the free form mometasone (INN).


  • Uses 1
    • Asthma 1.1
  • Pharmacodynamics 2
  • Mechanism of action 3
  • Metabolism 4
  • Availability 5
  • References 6
  • External links 7


Mometasone furoate is used in the treatment of inflammatory skin disorders (such as eczema and psoriasis), allergic rhinitis (such as hay fever), asthma[2][3] for patients unresponsive to less potent corticosteroids, and penile phimosis.[4] In terms of steroid strength, it is more potent than hydrocortisone, and less potent than dexamethasone.[5]

There is some low quality evidence suggesting the use of mometasone for symptomatic improvement in children with adenoid hypertrophy.[6]

Mometasone is indicated for the alleviation of inflammatory and pruritic manifestations (with stinging and itching) of dermatosis which respond to treatment with glucocorticoides such as psoriasis and atopic dermatitis (affection dermic chronic, characterized by the apparition of squamous eruptions, accompanied by itching).

Nasal mometasone is employed in adults (including the elderly) and children over 2 years, diminishing the symptoms such as hayfever (seasonal allergic rhinitis) and other allergies (perennial rhinitis), including nasal congestion, discharge, pruritus and sneezing.[7] Mometasone can be used two to four weeks before pollen season, reducing the severity of symptoms. It is also indicated for the treatment of nasal polyps and symptoms associated with including congestion and hyposmia in adult patients over the age of 18. It can also produce nasal drip, sensation of tickling in the throat and loss of the sense of taste and smell.


The furoate of mometasone can be employed together with formoterol for the treatment of asthma, due to its anti-inflammatory properties.[8]


It reduces inflammation by causing several effects:[9][10][11]

  • reversing the activation of inflammatory proteins
  • activating the secretion of anti-inflammatory proteins
  • stabilising cell membranes
  • decreasing the influx of inflammatory cells

In addition to the glucocorticoid properties of mometasone furoate, it is a very potent agonist of the progesterone receptor as well as a partial agonist of the mineralocorticoid receptor.[12]

Mechanism of action

Mometasone, like other corticosteroids, possesses anti-inflammatory, antipruritic, and vasoconstrictive properties. For allergies, corticosteroids reduce the allergic reactions in various types of cells (mastocytes and eosinofiles) that are responsible for allergic reactions. Mometasone and other corticosteroids circulate in the blood easily, crossing cellular membranes and binding with cytoplasmic receptors, resulting in the transcription and synthesis of proteins. Mometasone also inhibits the actions of the enzyme cytochrome P450 2C8 which participates in the activity of Monooxygenase.[13]

The inflammation is reduced in decreasing the liberation of hydrolace acids of leukocytes, the prevention of the accumulation macrophages in the sites of inflammation, the interference with adhesion of leukocytes to capillary walls, the reduction of the permeability of the capillary membranes and consequently edema, the reduction of complementary components, inhibition of histamine and kinin liberation, and interference with scar tissue formation.[14] The proliferation of fibroblasts and collagen deposits are also reduced. It is believed that the action of corticosteroid anti-inflammatory agents are bound to inhibitive proteins of phospholipase A2, collectively called lipocortins. The lipocortins, in turn, control the biosynthesis of potent mediators of inflammation as the prostaglandin's and leukotriens, inhibiting the liberation of the molecular precursors of arachidonic acid. Intranasal mometasone alleviates symptoms such as rhinorrea acuosa, nasal congestion, nasal drip, sneezing, and pharyngeal itching. Topical administration applied to skin reduces the inflammation associated with chronic or acute dermatosis.


There are extensive metabolic hepatic metabolism to multiple metabolites. There do not exist principal metabolites detectable in plasma. After in-vitro incubation, one of the minor metabolites formed is furoate 6ß-hydroxi-mometasone. In human hepatic microsomes, the formation of these metabolites is regulated by cytochrome P450 3A4.


Mometasone is marketed under the brand names Elocom (and its derivatives) and Hhsone as a cream or ointment for skin conditions, Nasonex as a nasal spray for upper respiratory conditions and Asmanex Twisthaler as a dry powder inhaler (DPI) for lower respiratory conditions.

It is also available as a veterinary drug in the form of ear drops for treatment of otitis externa under the brand name Mometamax.[15]


  1. ^ Zia R Tayab, Tom C Fardon, Daniel K C Lee, Kay Haggart, Lesley C McFarlane, Brian J Lipworth, and Günther Hochhaus (November 2007). "Pharmacokinetic/pharmacodynamic evaluation of urinary cortisol suppression after inhalation of fluticasone propionate and mometasone furoate". Br J Clin Pharmacol 64 (5): 698–705.  
  2. ^ Tan RA, Corren J (December 2008). "Mometasone furoate in the management of asthma: a review". Ther Clin Risk Manag 4 (6): 1201–8.  
  3. ^ Bousquet J (May 2009). "Mometasone furoate: an effective anti-inflammatory with a well-defined safety and tolerability profile in the treatment of asthma". Int. J. Clin. Pract. 63 (5): 806–19.  
  4. ^ Khope S (March 2010). "Topical mometasone furoate for phimosis". Indian pediatr 47 (3): 282.  
  5. ^ Williams D. What does potency actually mean for inhaled corticosteroids?. The Journal Of Asthma: Official Journal Of The Association For The Care Of Asthma [serial online]. July 2005;42(6):409-417. Available from: MEDLINE with Full Text, Ipswich, MA. Accessed October 25, 2011.
  6. ^ Chohan, A; Lal, A; Chohan, K; Chakravarti, A; Gomber, S (13 July 2015). "Systematic review and meta-analysis of randomized controlled trials on the role of mometasone in adenoid hypertrophy in children.". International journal of pediatric otorhinolaryngology.  
  7. ^ Stjärne, P.; Mösges R; Jorissen M; Passàli D; Bellussi L; Staudinger H; Danzig M. (Feb 2006). A randomized controlled trial of mometasone furoate nasal spray for the treatment of nasal polyposis 132 (2). Arch Otolaryngol Head Neck Surg. pp. 179–185. 
  8. ^ Bousquet, J. (May 2009). Mometasone furoate: an effective anti-inflammatory with a well-defined safety and tolerability profile in the treatment of asthma. 63 (5). Int J Clin Pract. pp. 806–819. 
  9. ^ Product Information: NASONEX(R) nasal spray, mometasone furoate monohydrate nasal spray. Schering Corporation, Kenilworth, NJ, 2010.
  10. ^ Publishers, Jones and Bartlett (2009-07-15). Nurse's Drug Handbook 2010. p. 677.  
  11. ^ Mani S. Kavuru (2007). "ch. 9 Anti-inflammatory agents". Diagnosis and Management of Asthma.  
  12. ^ Austin RJ, Maschera B, Walker A, Fairbairn L, Meldrum E, Farrow SN, et al. (2002). "Mometasone furoate is a less specific glucocorticoid than fluticasone propionate". Eur. Respir. J. 20 (6): 1386–92.  
  13. ^ Walsky, R. L.; Gaman EA; Obach RS. (Jan 2005). "Pharmacokientics, Pharmacodynamics, and Drug Metabolism". Examination of 209 drugs for inhibition of cytochrome P450 2C8. 45 (1) (Pfizer Global Research and Development ed.). USA.: J Clin Pharmacol. pp. 68–78. Retrieved 2012-11-17. 
  14. ^ Blaiss, MS. (Nov 2011). Safety update regarding intranasal corticosteroids for the treatment of allergic rhinitis. 32 (6). Allergy Asthma Proc. pp. 413–418. 
  15. ^ "Mometamax". Intervet USA. Retrieved 19 June 2010. 

External links

  • Mometasone Furoate Oral Inhalation (MedlinePlus)
  • Mometasone Furoate Nasal Inhalation (MedlinePlus)
  • Nasonex Home page
  • Asmanex Home page
  • Elica Home page
  • U.S. National Library of Medicine: Drug Information Portal - Mometasone furoate

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