Key Takeaways

An anti-inflammation injectable can help asthma patients with airways clogged by mucus

The number of patients with mucus-plugged airways fell by half after treatment with dupilumab

Benefits started as soon as a month of starting treatment

WEDNESDAY, Oct. 29, 2025 (HealthDay News) — An anti-inflammation injectable drug can reduce mucus buildup and improve breathing among asthma patients, a new clinical trial says.

The drug dupilumab (Dupixent) effectively clears up airways plugged by mucus during an asthma attack, researchers reported Oct. 27 in the American Journal of Respiratory and Critical Care Medicine .

Results found half as many patients had mucus-plugged airways following treatment with the drug.

“In moderate-to-severe asthma, a buildup of mucus in the l

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