Types of intranasal corticosteroids

When considering the results for the individual symptoms, benefit was shown in the intranasal corticosteroids group. The effect size was larger for nasal blockage ( MD -, 95% CI - to -; 1702 participants; six studies) than for rhinorrhoea ( MD -, 95% CI - to -; 1702 participants; six studies) or loss of sense of smell ( MD -, 95% CI - to -; 1345 participants; four studies). There was heterogeneity in the analysis for facial pain/pressure ( MD -, 95% CI - to ; 243 participants; two studies). The quality of the evidence was moderate for nasal blockage, rhinorrhoea and loss of sense of smell, but low for facial pain/pressure.

We included five studies (663 participants with nasal polyps ), three using mometasone furoate (400 µg versus 200 µg in adults and older children, 200 µg versus 100 µg in younger children) and two using fluticasone propionate drops (800 µg versus 400 µg). We found low quality evidence relating to disease severity and nasal polyps size, with results from the high-dose and low-dose groups being similar. Although all studies reported more improvement in polyp score in the high-dose group, the significance of this is unclear due to the small size of the improvements.

Onset: IV immediate; IM 7-8 min; IN (Children 3-12 yrs) 5-10 min
Time to Peak: IV 10 min; IM 10-20 min
Analgesic Duration: IV -1 hr; IM 1-2 hr
Absorption: well absorbed transmucosal route
Volume of Distribution: Adult 4-6L/kg; Children 15L/kg
Metabolism: Hepatic via CYP3A4 by N-dealkylation and hydroxylation to inactive metabolites
Elimination T1/2: Adults 2-4 hr; when administered as a continuous infusion the apparent half-life prolongs due to redistribution from fat stores
Excretion: Urine 75% (primarily as metabolites, <7-10% as unchanged drug); feces 9%

Types of intranasal corticosteroids

types of intranasal corticosteroids

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