New inhaler shows promise for COPD in early trial

NCT ID NCT07450482

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This Phase 2a study tested an inhaled drug called JKN2304 in 42 adults with moderate-to-severe COPD. Participants received either JKN2304, a placebo, or an active comparator (formoterol) for 14 days. The main goal was to check safety, and researchers also measured changes in lung function. The trial is complete, but results are not yet publicly available.

What this could mean

Our plain-language read of the trial. This is informational only โ€” not medical advice or a prediction.

Active substance
JKN2304 inhalation solution
What this could lead to
If successful, this could lead to a new inhaled treatment option for people with moderate-to-severe COPD to help improve lung function and ease breathing.
What could go wrong
This is an early Phase 2a trial with only 42 participants and a short 14-day treatment period. The results may not translate to long-term benefits or apply to all COPD patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Guangzhou First People's Hospital

    Guangzhou, Guangdong, China

  • Huadong Hospital Affiliated to Fudan University

    Shanghai, Shanghai Municipality, China

  • Jiangyin Hospital of Traditional Chinese Medicine

    Jiangyin, Jiangsu, China

  • Liuyang People's Hospital

    Guankou, Hunan, China

  • Shanghai Pudong New Area People's Hospital

    Shanghai, Shanghai Municipality, China

  • The Affiliated Hospital of Yangzhou University

    Yangzhou, Jiangsu, China

  • Weifang Second People's Hospital

    Weifang, Shandong, China

  • Zhangzhou Hospital, Fujian Province

    Zhangzhou, Fujian, China

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