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New shot could tame hay fever symptoms for good

NCT ID NCT07154342

Symptom relief Sponsor: Genrix (Shanghai) Biopharmaceutical Co., Ltd. Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 150 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2025

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 75 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Main Inclusion Criteria: 1. Voluntarily sign the informed consent form. 2. Seasonal allergic rhinitis has been prevalent for at least 2 years. 3. Poor control of seasonal allergic rhinitis with nasal glucocorticoids or other therapeutic agents during the same pollen season in the past. 4. Positive serum-specific IgE test results. 5. Symptom severity scores for the season met the enrollment criteria. Main Exclusion Criteria: 1. Other nasal comorbidities or co-morbidities/states that may be present at the time of screening that affect efficacy determination. 2. Subjects whose allergen exposures in their home or work environments may be expected to change significantly during the trial period. 3. Subjects with poorly controlled recent asthma conditions. 4. Presence of current or past history of infection of special concern, e.g., active tuberculosis, helminthic infections, severe herpes virus infections, etc. 5. Previous use of anti-interleukin 4 receptor alpha subunit (IL4Rα) monoclonal antibody. 6. Have a serious underlying medical condition that, in the opinion of the investigator, may pose a risk to subject safety by participation in a clinical trial.

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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.

Allergic rhinitis, seasonal

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Zhongnan Hospital of Wuhan university

    RECRUITING

    Wuhan, Hubei, 430000, China

More trials for these conditions

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