New shot could tame hay fever symptoms for good

NCT ID NCT07154342

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This Phase 3 trial tests an injection called GR1802 for people with seasonal allergic rhinitis (hay fever) that is not well controlled by standard treatments. The drug is a lab-made antibody that blocks a key inflammation signal. About 150 adults will receive either GR1802 or a placebo, plus their usual allergy meds, to see if it reduces nasal and eye symptoms.

What this could mean

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

Active substance

GR1802 injection (a lab-made antibody that blocks a protein involved in allergy inflammation)

What this could lead to

If it works, this could offer a new option for people with seasonal allergies that are not well controlled by current treatments like nasal sprays.

What could go wrong

This is still an early Phase 3 trial with only 150 participants, so results may not apply to everyone. The drug is an injection and may have side effects like injection site reactions or infections.

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.

seasonal allergic rhinitis

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Zhongnan Hospital of Wuhan university

    RECRUITING

    Wuhan, Hubei, 430000, China

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••