"In an article published in the journal Archives of Disease in Childhood, two respiratory specialists claim that doctors are overdiagnosing asthma in children, with inhalers being prescribed needlessly.
According to Asthma UK, 1.1 mill"...
Systemic and local corticosteroid use may result in the following:
- Candida albicans infection [see WARNINGS AND PRECAUTIONS]
- Immunosuppression [see WARNINGS AND PRECAUTIONS]
- Hypercorticism and adrenal suppression [see WARNINGS AND PRECAUTIONS]
- Reduction in bone mineral density [see WARNINGS AND PRECAUTIONS]
- Growth effects [see WARNINGS AND PRECAUTIONS]
- Glaucoma and cataracts [see WARNINGS AND PRECAUTIONS]
Clinical Trials Experience
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared with rates in the clinical trials of another drug and may not reflect the rates observed in practice.
The incidence of common adverse reactions in Table 2 is based upon 2 placebocontrolled US clinical trials in which 812 adult and adolescent patients (457 females and 355 males) previously treated with as-needed bronchodilators and/or inhaled corticosteroids were treated twice daily for up to 12 weeks with 2 inhalations of FLOVENT HFA 44 mcg Inhalation Aerosol, FLOVENT HFA 110 mcg Inhalation Aerosol, FLOVENT HFA 220 mcg Inhalation Aerosol (dosages of 88, 220, or 440 mcg twice daily), or placebo.
Table 2: Adverse Reactions With > 3% Incidence in US
Controlled Clinical Trials With FLOVENT HFA in Patients Aged 12 Years and Older
With Asthma Previously Receiving Bronchodilators and/or Inhaled Corticosteroids
|Adverse Event||FLOVENT HFA 88 mcg Twice Daily
(n = 203) %
|FLOVENT HFA220 mcg Twice Daily
(n = 204) %
|FLOVENT HFA 440 mcg Twice Daily
(n = 202) %
(n = 203) %
|Ear, nose, and throat|
|Upper respiratory tract infection||18||16||16||14|
|Upper respiratory inflammation||2||5||5||1|
|Candidiasis mouth/throat & non-site specific||4||2||5||< 1|
Table 2 includes all events (whether considered drug-related or nondrug-related by the investigator) that occurred at a rate of over 3% in any of the groups treated with FLOVENT HFA and were more common than in the placebo group. Less than 2% of patients discontinued from the studies because of adverse reactions. The average duration of exposure was 73 to 76 days in the active treatment groups compared with 60 days in the placebo group.
Additional Adverse Reactions
Other adverse reactions not previously listed, whether considered drug-related or not by the investigators, that were reported more frequently by patients with asthma treated with FLOVENT HFA compared with patients treated with placebo include the following: rhinitis, rhinorrhea/post-nasal drip, nasal sinus disorders, laryngitis, diarrhea, viral gastrointestinal infections, dyspeptic symptoms, gastrointestinal discomfort and pain, hyposalivation, musculoskeletal pain, muscle pain, muscle stiffness/tightness/rigidity, dizziness, migraines, fever, viral infections, pain, chest symptoms, viral skin infections, muscle injuries, soft tissue injuries, urinary infections.
Fluticasone propionate inhalation aerosol (440 or 880 mcg twice daily) was administered for 16 weeks to 168 patients with asthma requiring oral corticosteroids (Study 3). Adverse reactions not included above, but reported by more than 3 patients in either group treated with FLOVENT HFA and more commonly than in the placebo group included nausea and vomiting, arthralgia and articular rheumatism, and malaise and fatigue.
In 2 long-term studies (26 and 52 weeks), the pattern of adverse reactions in patients treated with FLOVENT HFA at dosages up to 440 mcg twice daily was similar to that observed in the 12-week studies. There were no new and/or unexpected adverse reactions with long-term treatment.
Pediatric Patients Aged 4 to 11 Years
FLOVENT HFA has been evaluated for safety in 56 pediatric patients who received 88 mcg twice daily for 4 weeks. Types of adverse reactions in these pediatric patients were generally similar to those observed in adults and adolescents.
In addition to adverse reactions reported from clinical trials, the following adverse reactions have been identified during postmarketing use of fluticasone propionate. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. These events have been chosen for inclusion due to either their seriousness, frequency of reporting, or causal connection to fluticasone propionate or a combination of these factors.
Gastrointestinal Disorders: Dental caries and tooth discoloration.
Psychiatry: Agitation, aggression, anxiety, depression, and restlessness. Behavioral changes, including hyperactivity and irritability, have been reported very rarely and primarily in children.
Eosinophilic Conditions: In rare cases, patients on inhaled fluticasone propionate may present with systemic eosinophilic conditions, with some patients presenting with clinical features of vasculitis consistent with Churg-Strauss syndrome, a condition that is often treated with systemic corticosteroid therapy. These events usually, but not always, have been associated with the reduction and/or withdrawal of oral corticosteroid therapy following the introduction of fluticasone propionate [see WARNINGS AND PRECAUTIONS].
Read the Flovent HFA (fluticasone propionate hfa) Side Effects Center for a complete guide to possible side effects
Strong Cytochrome P450 3A4 Inhibitors
Fluticasone propionate is a substrate of CYP3A4. The use of strong CYP3A4 inhibitors (e.g., ritonavir, atazanavir, clarithromycin, indinavir, itraconazole, nefazodone, nelfinavir, saquinavir, ketoconazole, telithromycin) with FLOVENT HFA is not recommended because increased systemic corticosteroid adverse effects may occur.
A drug interaction study with fluticasone propionate aqueous nasal spray in healthy subjects has shown that ritonavir (a strong CYP3A4 inhibitor) can significantly increase plasma fluticasone propionate concentration, resulting in significantly reduced serum cortisol concentrations [see CLINICAL PHARMACOLOGY]. During postmarketing use, there have been reports of clinically significant drug interactions in patients receiving fluticasone propionate and ritonavir, resulting in systemic corticosteroid effects including Cushing's syndrome and adrenal suppression. Therefore, coadministration of fluticasone propionate and ritonavir is not recommended unless the potential benefit to the patient outweighs the risk of systemic corticosteroid side effects.
Coadministration of orally inhaled fluticasone propionate (1,000 mcg) and ketoconazole (200 mg once daily) resulted in a 1.9-fold increase in plasma fluticasone propionate exposure and a 45% decrease in plasma cortisol area under the curve (AUC), but had no effect on urinary excretion of cortisol. Coadministration of fluticasone propionate and ketoconazole is not recommended unless the potential benefit to the patient outweighs the risk of systemic corticosteroid side effects.This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 8/23/2013
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