New asthma drug TR4 enters first human tests

NCT ID NCT07272135

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

Summary

This early-stage study tested a new drug called TR4 in 12 adults with mild-to-moderate asthma. TR4 is a beta-2 blocker, which works differently than typical asthma treatments. The main goal was to see if it is safe and tolerable, and to measure its effects on lung function and airway inflammation. Participants received either TR4 or a placebo, and researchers monitored their breathing and other health markers.

What this could mean

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

Active substance

TR4 (a beta-2 blocker drug)

What this could lead to

If it works, this could point toward a new way to control asthma by blocking certain receptors in the airways.

What could go wrong

This is a very early Phase 1 trial with only 12 people, so results may not apply to everyone. The drug may not improve asthma or could cause side effects.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

asthma

As listed by the trial registrant

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

Contacts and locations

Locations

  • Hammersmith Medicines Research

    London, London, NW10 7EW, United Kingdom