New flu pill shows promise for teens in Late-Stage trial
NCT ID NCT07229820
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This phase 3 trial tests whether the experimental drug ZSP1273 can shorten flu symptoms in teenagers aged 12-17 with uncomplicated influenza A. About 157 participants in China will receive either the drug or a placebo. The main goal is to see how quickly symptoms like cough, fever, and body aches improve.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ZSP1273
- What this could lead to
- If it works, this could provide a new treatment option to reduce flu symptoms faster in teenagers.
- What could go wrong
- This is a mid-stage trial with only 157 participants, so results may not confirm effectiveness or safety for wider use. The drug is still experimental.
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
-
157 people
The number who actually took part.
- Started
-
Nov 2025
- Expected to finish
-
Dec 2025
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
-
12 to 17 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 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: 1. Participants and their guardians who are able to understand the study and comply with all study procedures, and willing to provide written informed consent/assent prior to the predose examinations appropriately. 2. Male or female participants aged ≥ 2 to ≤11 years at the time of signing the informed consent form. 3. Participants with a diagnosis of influenza virus infection confirmed by all of the following: 1. Positive rapid antigen test (RAT) for influenza with nasal or throat swabs; 2. The time interval between the onset of symptoms and enrollment is 48 hours or less; 3. Fever ≥ 38ºC (axillary temperature); and at least one following respiratory symptoms associated with influenza virus infection is present Exclusion Criteria: 1. Participants with severe influenza virus infection; 2. Participants with any medical history in gastrointestinal that interferes with the absorption of drugs; 3. Immunodeficiency,including malignant tumor,organ or marrow transplant,human immunodeficiency virus \[HIV\] infection,or patients receiving immunosuppressant therapy 3 months prior to enrollment; 4. Have received any other investigational products within 3 months prior to dosing; 5. Positive urine pregnancy test; 6. Participants with concurrent infections requiring antimicrobial therapy; 7. Participants who are considered inappropriate for the study by the investigator.
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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
-
Ruijin Hospital
Shanghai, China
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