New allergy shot for teens enters early safety testing
NCT ID NCT07513857
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage study tests a new injection called JYB1904 in 12 teenagers aged 12-17 with allergies like hay fever, asthma, or food allergies. The main goal is to see if the drug is safe and how the body processes it. Participants will be closely monitored for side effects and drug levels in the blood.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 12 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Jul 2027
An estimate. End dates often move.
- Lead sponsor
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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
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12 to 17 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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.
Inclusion Criteria: * Adolescent study participants (both male and female) who are at least 12 years of age but under 18 years of age at the time of signing the Informed Consent Form (ICF). * History of allergic diseases, including but not limited to food allergies, allergic rhinitis, allergic asthma, and chronic spontaneous urticaria. * Body weight ≥ 30 kg at screening. * Agreement to use effective contraception during the study and for 1 year following administration of the study drug. * The trial participant and their parent or legal guardian are able to understand and voluntarily sign the Informed Consent Form, and are able to comply with study visits and related procedures. Exclusion Criteria: * Patients with a history of hypersensitivity to JYB1904 Injection, its excipients, or any anti-IgE therapy. * Any severe or poorly controlled chronic disease (including but not limited to severe arrhythmia, ischemic heart disease, NYHA Class III/IV left ventricular failure, severe pulmonary disease, poorly controlled asthma, poorly controlled hypertension, poorly controlled diabetes, or poorly controlled hypothyroidism or hyperthyroidism) that, in the investigator's judgment, may compromise the safety of the trial participant. * History of severe allergic reactions, such as anaphylactic shock. * History of blood phobia, needle phobia, or difficulty with venipuncture; or abnormal skin at the administration site that may interfere with drug administration or the investigator's assessment (e.g., skin lesions, rashes, tattoos, etc.). * Total blood loss or blood donation of ≥400 mL within 12 weeks prior to screening, or receipt of a blood transfusion within 12 weeks prior to screening.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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.
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