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fenoterol/ipratropium bromide

Novartis · FDA-approved active Small molecule

Fenoterol is a beta-2 agonist that relaxes airway smooth muscle, while ipratropium bromide is an anticholinergic that blocks acetylcholine-mediated bronchoconstriction, together providing dual bronchodilation.

Fenoterol is a beta-2 agonist that relaxes airway smooth muscle, while ipratropium bromide is an anticholinergic that blocks acetylcholine-mediated bronchoconstriction, together providing dual bronchodilation. Used for Chronic obstructive pulmonary disease (COPD), Asthma (maintenance and acute bronchospasm).

At a glance

Generic namefenoterol/ipratropium bromide
SponsorNovartis
Drug classBeta-2 agonist / Anticholinergic combination bronchodilator
TargetBeta-2 adrenergic receptor (fenoterol); Muscarinic acetylcholine receptors (ipratropium bromide)
ModalitySmall molecule
Therapeutic areaRespiratory / Pulmonology
PhaseFDA-approved

Mechanism of action

Fenoterol stimulates beta-2 adrenergic receptors on airway smooth muscle, causing relaxation and bronchodilation through increased intracellular cAMP. Ipratropium bromide competitively blocks muscarinic acetylcholine receptors, preventing parasympathetic-mediated airway constriction. The combination provides complementary mechanisms for rapid and sustained airway opening in obstructive airway diseases.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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