Flu vaccine may shield heart attack survivors from future cardiac events
NCT ID NCT07259252
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether getting a flu vaccine can prevent serious heart problems in people who have recently had a heart attack or unstable angina. About 6,620 participants will receive either a flu shot or a placebo and be followed for one year. The goal is to see if the vaccine reduces the risk of another heart attack, stroke, or death from heart disease.
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
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 6,620 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Mar 2029
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 80 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. ACS patient aged from 18 to 80 years. 2. Volunteer for the study and written informed consent. Exclusion Criteria: 1. Participate in any drug clinical trials within 3 months. 2. Patients with life-threatening complications, or the researchers determined that the survival time of patients with no more than 1 years. 3. Serious neurological disease (Alzheimer's disease, Parkinson syndrome, progressive lower limbs or deaf patients). 4. Previous history of cancer or tumor, or pathological examination confirmed precancerous lesions (such as breast ductal carcinoma in situ, or atypical hyperplasia of the cervix). 5. Patients refused to comply with the requirements of this study to complete the research work. 6. Patients Received influenza vaccination within 1 year. 7. Patients with contraindications for influenza vaccination.
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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 places running it
1 site. The list below names each one and where it is.
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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.
Contacts and locations
Locations
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Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology
RECRUITINGWuhan, Hubei, 430030, China
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Other studies related to the condition(s) this trial covers.
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- Heart arteries without metal: CT scans track Drug-Coated balloon results
- Can a Drug-Coated balloon beat a stent for tough heart attacks?
- Can a Triple-Drug cholesterol blitz make heart plaques safer?
- A 15-Minute audio break: could guided imagery soothe heart patients?