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Spiriva HandiHaler

Chia Tai Tianqing Pharmaceutical Group Co., Ltd. · FDA-approved active Small molecule

Spiriva HandiHaler delivers tiotropium, a long-acting anticholinergic agent that blocks muscarinic receptors in airway smooth muscle to cause bronchodilation and improve airflow.

Spiriva HandiHaler delivers tiotropium, a long-acting anticholinergic agent that blocks muscarinic receptors in airway smooth muscle to cause bronchodilation and improve airflow. Used for Chronic obstructive pulmonary disease (COPD) maintenance treatment, Asthma maintenance treatment.

At a glance

Generic nameSpiriva HandiHaler
Also known asLAMA
SponsorChia Tai Tianqing Pharmaceutical Group Co., Ltd.
Drug classLong-acting muscarinic antagonist (LAMA)
TargetM3 muscarinic acetylcholine receptor
ModalitySmall molecule
Therapeutic areaRespiratory
PhaseFDA-approved

Mechanism of action

Tiotropium is a selective M3 muscarinic receptor antagonist that prevents acetylcholine-induced bronchoconstriction. By blocking these receptors on airway smooth muscle, it produces sustained bronchodilation lasting 24 hours or longer. This reduces airway obstruction and improves lung function in chronic obstructive pulmonary disease (COPD) and asthma.

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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