- mometasone furoate monohydrate
POM: Prescription only medicine
This information is intended for use by health professionals
Mometasone furoate 50 micrograms/actuation nasal spray, suspension
Each actuation (100 mg) contains 50 micrograms of mometasone furoate (as the monohydrate) as delivered dose (ex actuator).
Excipient with known effect
This medicinal product contains 20 micrograms of benzalkonium chloride per actuation.
For the full list of excipients, see section 6.1.
Nasal spray, suspension.
White to off-white coloured homogeneous re-dispersible suspension with pH about 4.20 to 5 and osmolality 270-330 milliosmole/kg.
Mometasone furoate nasal spray, suspension is indicated for use in adults and children 3 years of age and older to treat the symptoms of seasonal allergic or perennial allergic rhinitis.
Mometasone furoate nasal spray, suspension is indicated for the treatment of nasal polyps in adults 18 years of age and older.
Seasonal Allergic or Perennial Rhinitis
Adults (including older patients) and children 12 years of age and older: The usual recommended dose is two actuations (50 micrograms/actuation) in each nostril once daily (total dose 200 micrograms). Once symptoms are controlled, dose reduction to one actuation in each nostril (total dose 100 micrograms) may be effective for maintenance. If symptoms are inadequately controlled, the dose may be increased to a maximum daily dose of four actuations in each nostril once daily (total dose 400 micrograms). Dose reduction is recommended following control of symptoms.
Children between the ages of 3 and 11 years:
The usual recommended dose is one actuation (50 micrograms/actuation) in each nostril once daily (total dose 100 micrograms).
Mometasone furoate nasal spray, suspension demonstrated a clinically significant onset of action within 12 hours after the first dose in some patients with seasonal allergic rhinitis; however, full benefit of treatment may not be achieved in the first 48 hours. Therefore, the patient should continue regular use to achieve full therapeutic benefit.
Treatment with mometasone furoate nasal spray, suspension may need to be initiated some days before the expected start of the pollen season in patients who have a history of moderate to severe symptoms of seasonal allergic rhinitis.
The usual recommended starting dose for polyposis is two actuations (50 micrograms/actuation) in each nostril once daily (total daily dose of 200 micrograms). If after 5 to 6 weeks symptoms are inadequately controlled, the dose may be increased to a daily dose of two sprays in each nostril twice daily (total daily dose of 400 micrograms). The dose should be titrated to the lowest dose at which effective control of symptoms is maintained . If no improvement in symptoms is seen after 5 to 6 weeks of twice daily administration, the patient should be re-evaluated and treatment strategy reconsidered. Efficacy and safety studies of mometasone furoate nasal spray for the treatment of nasal polyposis were four months in duration.
Seasonal Allergic Rhinitis and Perennial Rhinitis
The safety and efficacy of mometasone furoate nasal spray in children under 3 years of age have not been established.
The safety and efficacy of mometasone furoate nasal spray in children and adolescents under 18 years of age have not been established.
Method of administration
Prior to administration of to the first dose, shake container well.
After initial priming of the Mometasone furoate nasal spray, suspension pump (usually 10 actuations, until a uniform spray is observed), each actuation delivers approximately 100 mg of mometasone furoate suspension, containing mometasone furoate monohydrate equivalent to 50 micrograms mometasone furoate. If the pump is not used for 14 days or longer, reprime the pump with 2 actuations, a uniform spray is observed, before next use.
Shake container well before each use. The bottle should be discarded after the labelled number of actuations or within 2 months of first use.
Hypersensitivity to Mometasone furoate or to any of the excipients listed in section 6.1.
Mometasone furoate nasal spray should not be used in the presence of untreated localised infection involving the nasal mucosa, such as herpes simplex.
Because of the inhibitory effect of corticosteroids on wound healing, patients who have experienced recent nasal surgery or trauma should not use a nasal corticosteroid until healing has occurred.
Mometasone furoate nasal spray, suspension should be used with caution, if at all, in patients with active or quiescent tuberculous infections of the respiratory tract, or in untreated fungal, bacterial or systemic viral infections.
Patients receiving corticosteroids who are potentially immunosuppressed should be warned of the risk of exposure to certain infections (e.g., chickenpox, measles) and of the importance of obtaining medical advice if such exposure occurs.
Local Nasal Effects
Following 12 months of treatment with mometasone furoate nasal spray, suspension in a study of patients with perennial rhinitis, there was no evidence of atrophy of the nasal mucosa; also, mometasone furoate tended to reverse the nasal mucosa closer to a normal histologic phenotype. Nevertheless, , patients using mometasone furoate nasal spray, suspension over several months or longer should be examined periodically for possible changes in the nasal mucosa. If localised fungal infection of the nose or pharynx develops, discontinuance of mometasone furoate nasal spray, suspension therapy or appropriate treatment may be required. Persistence of nasopharyngeal irritation may be an indication for discontinuing mometasone furoate nasal spray, suspension.
Mometasone furoate is not recommended in case of nasal septum perforation (see section 4.8).
In clinical studies, epistaxis occurred at a higher incidence compared to placebo. Epistaxis was generally self-limiting and mild in severity (see section 4.8).
Mometasone furoate nasal spray, suspension contains benzalkonium chloride which may cause nasal irritation.
Systemic Effects of Corticosteroids
Systemic effects of nasal corticosteroids may occur, particularly at high doses prescribed for prolonged periods. These effects are much less likely to occur than with oral corticosteroids and may vary in individual patients and between different corticosteroid preparations. Potential systemic effects may include Cushing's syndrome, Cushingoid features, adrenal suppression, growth retardation in children and adolescents, cataract, glaucoma and more rarely, a range of psychological or behavioral effects including psychomotor hyperactivity, sleep disorders, anxiety, depression or aggression (particularly in children).
Following the use of intranasal corticosteroids, instances of increased intraocular pressure have been reported (see section 4.8).
Patients who are transferred from long-term administration of systemically active corticosteroids to mometasone furoate nasal spray, suspension require careful attention. Systemic corticosteroid withdrawal in such patients may result in adrenal insufficiency for a number of months until recovery of HPA axis function. If these patients exhibit signs and symptoms of adrenal insufficiency or symptoms of withdrawal (e.g., joint and/or muscular pain, lassitude, and depression initially) despite relief from nasal symptoms, systemic corticosteroid administration should be resumed and other modes of therapy and appropriate measures instituted. Such transfer may also unmask pre-existing allergic conditions, such as allergic conjunctivitis and eczema, previously suppressed by systemic corticosteroid therapy.
Treatment with higher than recommended doses may result in clinically significant adrenal suppression. If there is evidence for higher than recommended doses being used, then additional systemic corticosteroid cover should be considered during periods of stress or elective surgery.
The safety and efficacy of mometasone furoate nasal spray, suspension has not been studied for use in the treatment of unilateral polyps, polyps associated with cystic fibrosis, or polyps that completely obstruct the nasal cavities.
Unilateral polyps that are unusual or irregular in appearance, especially if ulcerating or bleeding, should be further evaluated.
Effect on Growth in Paediatric Population
It is recommended that the height of children receiving prolonged treatment with nasal corticosteroids is regularly monitored. If growth is slowed, therapy should be reviewed with the aim of reducing the dose of nasal corticosteroid if possible, to the lowest dose at which effective control of symptoms is maintained. In addition, consideration should be given to referring the patient to a paediatric specialist.
Although mometasone furoate nasal spray, suspension will control the nasal symptoms in most patients, the concomitant use of appropriate additional therapy may provide additional relief of other symptoms, particularly ocular symptoms.
Visual disturbance may be reported with systemic and topical corticosteroid use. If a patient presents with symptoms such as blurred vision or other visual disturbances, the patient should be considered for referral to an ophthalmologist for evaluation of possible causes which may include cataract, glaucoma or rare diseases such as central serous chorioretinopathy (CSCR) which have been reported after use of systemic and topical corticosteroids.
Co-treatment with CYP3A inhibitors, including cobicistat-containing products, is expected to increase the risk of systemic side-effects. The combination should be avoided unless the benefit outweighs the increased risk of systemic corticosteroid side-effects, in which case patients should be monitored for systemic corticosteroid side-effects.
(See 4.4 Special warnings and special precautions for use with systemic corticosteroids).
A clinical interaction study was conducted with loratadine. No interactions were observed.
There are no or limited amount of data from the use of mometasone furoate in pregnant women. Studies in animals have shown reproductive toxicity (see section 5.3). As with other nasal corticosteroid preparations, mometasone furoate nasal spray, suspension should not be used in pregnancy unless the potential benefit to the mother justifies any potential risk to the mother, foetus or infant.
Infants born of mothers who received corticosteroids during pregnancy should be observed carefully for hypoadrenalism.
It is unknown whether mometasone furoate is excreted in human milk. As with other nasal corticosteroid preparations, a decision must be made whether to discontinue breast-feeding or to discontinue/abstain from mometasone furoate nasal spray, suspension therapy taking into account the benefit of breast feeding for the child and the benefit of therapy for the woman.
There are no clinical data concerning the effect of mometasone furoate on fertility. Animal studies have shown reproductive toxicity, but no effects on fertility (see section 5.3).
No studies on the effects on the ability to drive and use machines have been performed.
Summary of the safety profile
Epistaxis was generally self-limiting and mild in severity, and occurred at a higher incidence compared to placebo (5%), but at a comparable or lower incidence when compared to the active control nasal corticosteroids studied (up to 15%) as reported in clinical studies for allergic rhinitis. The incidence of all other adverse events was comparable with that of placebo. In patients treated for nasal polyposis, the overall incidence of adverse events was similar to that observed for patients with allergic rhinitis.
Systemic effects of nasal corticosteroids may occur, particularly when prescribed at high doses for prolonged periods.
Tabulated list of adverse reactions
Treatment related adverse reactions (≥1%) reported in clinical trials in patients with allergic rhinitis or nasal polyposis and post-marketing regardless of indication are presented in Table 1. Adverse reactions are listed according to MedDRA primary system organ class. Within each system organ class, adverse reactions are ranked by frequency. Frequencies were defined as follows: Very common (≥1/10); common (≥1/100 to <1/10); uncommon (≥1/1,000 to <1/100). The frequency of post-marketing adverse events are considered as “not known (cannot be estimated from the available data)”.
Table 1: Treatment-related adverse reactions reported by system organ class and frequency
Infections and infestations
Upper respiratory tract infection†
Immune system disorders
Hypersensitivity including anaphylactic reactions, angioedema, bronchospasm, and dyspnoea
Nervous system disorders
Increased intraocular pressure
Cataracts, Vision, blurred (see section 4.4)
Respiratory, thoracic and mediastinal disorders
Nasal septum perforation
Disturbances of taste and smell
*recorded for twice daily dosing for nasal polyposis
† recorded at uncommon frequency for twice daily dosing for nasal polyposis
In the paediatric population, the incidence of recorded adverse events in clinical studies, e.g., epistaxis (6%), headache (3%), nasal irritation (2%) and sneezing (2%) was comparable to placebo.
Reporting of suspected adverse reactions
Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme website: www.mhra.gov.uk/yellowcard.
Inhalation or oral administration of excessive doses of corticosteroids may lead to suppression of HPA axis function.
Because of the negligible (≤0.1%) (using a sensitive assay with a lower quantitation limit of 0.25 pg/ml) systemic bioavailability of mometasone furoate nasal spray, suspension overdose is unlikely to require any therapy other than observation, followed by initiation of the appropriate prescribed dosage.
Pharmacotherapeutic group: Decongestants and Other Nasal Preparations for Topical Use-Corticosteroids, ATC code: R01A D09
Mechanism of action
Mometasone furoate is a topical glucocorticosteroid with local anti-inflammatory properties at doses that are not systemically active.
It is likely that much of the mechanism for the anti-allergic and anti-inflammatory effects of mometasone furoate lies in its ability to inhibit the release of mediators of allergic reactions. Mometasone furoate significantly inhibits the release of leukotrienes from leucocytes of allergic patients.
In cell culture, mometasone furoate demonstrated high potency in inhibition of synthesis and release of IL-1, IL-5, IL-6 and TNFα; it is also a potent inhibitor of leukotriene production. In addition, it is an extremely potent inhibitor of the production of the Th2 cytokines, IL-4 and IL-5, from human CD4+ T-cells.
In studies utilising nasal antigen challenge, mometasone furoate nasal spray, suspension has shown anti-inflammatory activity in both the early- and late - phase allergic responses. This has been demonstrated by decreases (vs placebo) in histamine and eosinophil activity and reductions (vs baseline) in eosinophils, neutrophils, and epithelial cell adhesion proteins.
In 28% of the patients with seasonal allergic rhinitis, mometasone furoate nasal spray, suspension demonstrated a clinically significant onset of action within 12 hours after the first dose. The median (50%) onset time of relief was 35.9 hours.
In a placebo-controlled clinical trial in which paediatric patients (n=49/group) were administered mometasone furoate nasal spray, suspension 100 micrograms daily for one year, no reduction in growth velocity was observed.
There are limited data available on the safety and efficacy of mometasone furoate nasal spray, suspension in the paediatric population aged 3 to 5 years, and an appropriate dosage range cannot be established. In a study involving 48 children aged 3 to 5 years treated with intranasal mometasone furoate 50, 100 or 200 μg/day for 14 days, there was no significant differences from placebo in the mean change in plasma cortisol level in response to the tetracosactrin stimulation test.
The European Medicines Agency has waived the obligation to submit the results of studies with mometasone furoate nasal spray, suspension and associated names in all subsets of the paediatric population in seasonal and perennial allergic rhinitis (see section 4.2 for information on paediatric use).
Mometasone furoate, administered as an aqueous nasal spray, has a systemic bioavailability of < 1% in plasma, using a sensitive assay with a lower quantitation limit of 0.25 pg/ml.
Not applicable as mometasone is poorly absorbed via the nasal route.
The small amount that may be swallowed and absorbed undergoes extensive first-pass hepatic metabolism.
Absorbed mometasone furoate is extensively metabolized and the metabolites are excretedin urine and bile.
No toxicological effects unique to mometasone furoate exposure were demonstrated. All observed effects are typical of this class of compounds and are related to exaggerated pharmacologic effects of glucocorticoids.
Preclinical studies demonstrate that mometasone furoate is devoid of androgenic, antiandrogenic, estrogenic or antiestrogenic activity but, like other glucocorticoids, it exhibits some antiuterotrophic activity and delays vaginal opening in animal models at high oral doses of 56 mg/kg/day and 280 mg/kg/day.
Like other glucocorticoids, mometasone furoate showed a clastogenic potential in-vitro at high concentrations. However, no mutagenic effects can be expected at therapeutically relevant doses.
In studies of reproductive function, subcutaneous mometasone furoate, at 15 micrograms/kg prolonged gestation and prolonged and difficult labour occurred with a reduction in offspring survival and body weight or body weight gain. There was no effect on fertility.
Like other glucocorticoids, mometasone furoate is a teratogen in rodents and rabbits. Effects noted were umbilical hernia in rats, cleft palate in mice and gallbladder agenesis, umbilical hernia, and flexed front paws in rabbits. There were also reductions in maternal body weight gains, effects on foetal growth (lower foetal body weight and/or delayed ossification) in rats, rabbits and mice, and reduced offspring survival in mice.
The carcinogenicity potential of inhaled mometasone furoate (aerosol with CFC propellant and surfactant) at concentrations of 0.25 to 2.0 micrograms/l was investigated in 24-month studies in mice and rats. Typical glucocorticoid-related effects, including several non-neoplastic lesions, were observed. No statistically significant dose-response relationship was detected for any of the tumour types.
Citric acid monohydrate
Sodium citrate dihydrate
Water for injection
After first use: 2 months
Do not store above 25°C. Do not freeze. Store in the original container.
Mometasone Furoate 50 μg Nasal Spray is packed in 20 ml white opaque HDPE vial with a net fill weight of 18.0 g, providing 140 actuations. Each bottle is fitted with a white metered-dose atomising pump, white nasal adaptor and a translucent dust cap for nozzle, packed in a carton.
Any unused medicinal product or waste material should be disposed of in accordance with local requirements.
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