Flu drug cocktail shows promise in hospitalized patients
NCT ID NCT04327791
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed Phase 2/3 trial tested whether adding baloxavir to standard oseltamivir treatment helps hospitalized flu patients clear the virus faster. Fifteen adults with confirmed influenza were randomly assigned to receive either the combination or oseltamivir alone. The main goal was to measure how quickly the virus disappeared from nasal swabs.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- baloxavir and oseltamivir
- What this could lead to
- If it works, this combination could help hospitalized flu patients clear the virus faster and reduce complications.
- What could go wrong
- This was a very small early-stage trial with only 15 participants, so results may not apply broadly. The combination also carries unknown risks.
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 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
-
15 people
The number who actually took part.
- Started
-
Apr 2020
- Finished
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Oct 2024
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 years and older
- Sex
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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. Adults \>/= 18 years old 2. Laboratory confirmed influenza A and/or B (rapid test or PCR) 3. Able to be enrolled, randomized, and dosed with study drug within 8 hours of the decision to admit patient to hospital for treatment of influenza 4. Oseltamivir treatment ordered by clinical team AND patient is able to be enrolled: * Prior to the initial dose of oseltamivir OR * Within 60 minutes after the initial dose of oseltamivir 5. Subject or Legally Authorized Representative able to and willing to provide written informed consent 6. Able to commit to 30 days of follow up 7. Weight \> 40 kg 8. SARS-CoV-2 PCR swab sent within 1 week of enrollment Exclusion Criteria 1. ESRD not undergoing hemodialysis (HD) or peritoneal dialysis (CAPD) 2. Severe hepatic insufficiency, cirrhosis, acute or chronic liver failure 3. Nausea/vomiting, aspiration risk, or other conditions precluding the ability to use oral medications (if patient is NPO including meds, otherwise unable to swallow oral medications) 4. Influenza medication use within the prior week, other than the initial oseltamivir given during this hospitalization for this episode of influenza 5. Oseltamivir or baloxavir allergy or intolerance 6. Pregnancy (need negative pregnancy test (urine or blood) in reproductive age women) 7. Absence of dependable contraception in reproductive age women 8. Inability to obtain informed consent 9. Refusal of oseltamivir therapy by patient as baseline treatment
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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
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Bassett Medical Center
Cooperstown, New York, 13326, United States
-
Baystate Medical Center
Springfield, Massachusetts, 01199, United States
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Oregon Health & Science University
Portland, Oregon, 97239, United States
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