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Drug: ipratropium (AtroventTM)

AstraZeneca · FDA-approved active Small molecule

Ipratropium is an anticholinergic agent that blocks muscarinic acetylcholine receptors in the airways to reduce bronchoconstriction and mucus secretion.

Ipratropium is an anticholinergic agent that blocks muscarinic acetylcholine receptors in the airways to reduce bronchoconstriction and mucus secretion. Used for Chronic obstructive pulmonary disease (COPD), Asthma, Rhinorrhea associated with allergic and non-allergic rhinitis.

At a glance

Generic nameDrug: ipratropium (AtroventTM)
SponsorAstraZeneca
Drug classAnticholinergic bronchodilator
TargetM3 muscarinic acetylcholine receptor
ModalitySmall molecule
Therapeutic areaRespiratory
PhaseFDA-approved

Mechanism of action

Ipratropium competitively antagonizes acetylcholine at M3 muscarinic receptors on airway smooth muscle and mucus glands. This prevents acetylcholine-induced bronchoconstriction and reduces mucus production, leading to bronchodilation and improved airflow. As a quaternary ammonium compound, it is poorly absorbed systemically and acts locally in the lungs when inhaled.

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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