Comparative Pharmacology
Head-to-head clinical analysis: BUDESONIDE versus SYMBICORT AEROSPHERE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: BUDESONIDE versus SYMBICORT AEROSPHERE.
BUDESONIDE vs SYMBICORT AEROSPHERE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Budesonide is a corticosteroid with potent glucocorticoid activity. It binds to the glucocorticoid receptor, leading to modulation of gene expression and suppression of inflammation by inhibiting pro-inflammatory cytokines and leukocyte migration.
Budesonide is a corticosteroid with anti-inflammatory activity; its mechanism includes inhibition of multiple inflammatory cell types and mediators. Formoterol is a long-acting beta2-adrenergic agonist that relaxes bronchial smooth muscle by increasing cyclic AMP.
Inhaled: 400-800 mcg/day in 2 divided doses for asthma; oral controlled ileal release: 9 mg once daily for Crohn's disease; intranasal: 256 mcg/day in 2 sprays per nostril once daily for allergic rhinitis.
Two inhalations (budesonide 160 mcg/formoterol 4.5 mcg per inhalation) twice daily (morning and evening). Maximum dose: 2 inhalations twice daily.
None Documented
None Documented
Clinical Note
moderateBudesonide + Gatifloxacin
"The risk or severity of adverse effects can be increased when Budesonide is combined with Gatifloxacin."
Clinical Note
moderateBudesonide + Rosoxacin
"The risk or severity of adverse effects can be increased when Budesonide is combined with Rosoxacin."
Clinical Note
moderateBudesonide + Levofloxacin
"The risk or severity of adverse effects can be increased when Budesonide is combined with Levofloxacin."
Clinical Note
moderateBudesonide + Trovafloxacin
2-3.6 hours (terminal elimination half-life); due to high hepatic clearance, systemic half-life is short, limiting systemic exposure.
Budesonide: 2-3 hours. Formoterol: 10-14 hours. Clinically, twice-daily dosing maintains effect due to active metabolite accumulation.
Primarily hepatic metabolism via CYP3A4; metabolites excreted in feces (~60%) and urine (~10-15%). Renal excretion of unchanged drug is negligible (<2%).
Budesonide: 60% renal metabolites, 40% fecal. Formoterol: 60% renal, 40% fecal via biliary, with 10% unchanged drug.
Category A/B
Category C
Inhaled Corticosteroid
Inhaled Corticosteroid/Long-Acting Beta Agonist
"The risk or severity of adverse effects can be increased when Budesonide is combined with Trovafloxacin."