Clinical trials
Influenza clinical trials
Below are recruiting influenza clinical trials, each written for real people, not researchers. We’re tracking 107 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06672692Recruiting
Study of a new test for flu, RSV, and COVID-19 in people with symptoms
This trial evaluates a new test that can detect flu A/B, RSV, and COVID-19 from a single nose swab. It is for people who are currently sick with respiratory symptoms and are either hospitalized, in the ER, visiting a clinic, or living in a long-term care facility.
Henderson, NevadaAges Any age - NCT06676644Recruiting
Flu vaccine with booster for older adults with health conditions
This trial tests whether a flu vaccine with an extra ingredient (called an adjuvant) is safer and works better for older Asian adults with chronic health conditions than a standard flu vaccine. It aims to provide better protection against the flu for people like you.
TaipeiAges 65 years+ - NCT06807840Recruiting
Flu infection study at Penn Medicine
This study looks at how people's immune systems respond to the flu. If you have a positive flu test at a Penn Medicine location and are 18 or older, you may be able to join.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06815250Recruiting
Boosting maternal vaccine knowledge and uptake: The InTroDuce-Programme
This trial tests a programme to help pregnant women learn about and get flu and Tdap vaccines. It aims to increase vaccination rates and improve health for mothers and babies.
Bandar Baru Bangi, SelangorAges 18 years+ - NCT06841913RecruitingPhase 4
Woodsmoke, flu, and your nasal immune response
This study tests how breathing woodsmoke affects your nose's ability to fight off the flu virus. You will be exposed to woodsmoke and then given a live flu vaccine to see how your immune system responds.
Chapel Hill, North CarolinaAges 18–49 - NCT06848309Recruiting
Immune response study for influenza or COVID-19
This study looks at how your immune system fights off flu or COVID-19. If you have a current or recent infection, or if you've been vaccinated in the past year, you may be able to join.
St Louis, MissouriAges 18–60 - NCT06947499RecruitingPhase 2/Phase 3
Testing a 6-in-1 infant vaccine in healthy babies
This study tests a new vaccine that protects babies against 6 diseases (diphtheria, tetanus, whooping cough, hepatitis B, polio, and Hib) in just one shot. It’s for healthy infants starting at 6–8 weeks old as their first series of vaccinations.
Dasmariñas, CaviteAges 1 month–2 months - NCT07211152RecruitingPhase 3
Flu vaccine study for pregnant women
This study tests a flu shot designed for pregnant women to see if it is safe and effective. It may help protect you and your baby from the flu during pregnancy.
Mandaluyong, National Capital RegionAges 18–39 - NCT07236814RecruitingPhase 3
Preventing flu in hospital rooms with two antivirals
This trial tests if taking suraxavir marboxil or oseltamivir can stop the flu from spreading to people sharing a hospital room with a patient who has the flu.
Beijing, Beijing MunicipalityAges 12 years+ - NCT07259252Recruiting
Flu vaccine study for heart attack or unstable angina patients
This study tests whether getting a flu vaccine helps people who recently had a heart attack or unstable angina (acute coronary syndrome). It looks at whether vaccination can reduce future heart problems.
Wuhan, HubeiAges 18–80 - NCT07678619Enrolling by invitation
Smart decision making for disease outbreaks
This study is for public health workers who help fight outbreaks. It tests a smart analysis tool to improve how decisions are made during disease emergencies.
Beijing, Beijing MunicipalityAges 18 years+ - NCT03323112Recruiting
Studying immune responses to seasonal flu shots in health workers
This study looks at how your immune system (your body’s infection-fighting system) responds after you get the seasonal flu vaccine. It may help researchers understand what the vaccine triggers in people working in healthcare and labs.
HelsinkiAges 18–64 - NCT07464314RecruitingPhase 1
Testing a combined flu and COVID-19 mRNA vaccine in older adults
This trial is testing whether a new mRNA vaccine that targets both seasonal flu and COVID-19 is safe and creates a strong immune response. It may offer an easier way to protect against two illnesses with one shot.
Anniston, AlabamaAges 65–85 - NCT02511002Enrolling by invitation
Long-term follow-up after an influenza challenge study
This study keeps track of how your body’s immune responses change over time after an influenza exposure. Researchers may use stored blood samples to study specific antibody levels, which could help improve future flu vaccines or treatments.
Bethesda, MarylandAges 18–120 - NCT07420985RecruitingPhase 2
Ingavirin forte for flu and other viral infections
This trial tests different doses of Ingavirin Forte capsules for treating influenza and other respiratory viruses. It may help people with fever, cough, sore throat, and body aches who have been sick less than 48 hours.
IvanovoAges 18–65 - NCT07617376RecruitingPhase 4
Flu shot before leaving hospital after heart problems
This study tests whether giving a flu vaccine to patients before they leave the hospital after a heart condition improves their health. The vaccine may help protect your heart and prevent serious flu complications while you recover.
WroclawAges 18 years+ - NCT07545564Enrolling by invitationPhase 4
Immune Response Study of Nasal Flu Vaccine in Children
This study measures how your child's body builds immunity after receiving a nasal spray flu vaccine. Researchers will collect samples to understand how the vaccine triggers the immune system to protect against influenza.
Hohhot, Inner MongoliaAges 3–17 - NCT07149428Enrolling by invitation
Deep study of smell loss causes using brain scans
This study uses brain imaging and electrical recordings to understand the brain's role in smell loss from any cause—like COVID, sinus problems, or chemotherapy. You may be eligible if you have any degree of smell loss lasting under a year.
Bethesda, MarylandAges 18–99 - NCT06067555RecruitingEarly Phase 1
Flu vaccine study for healthy adults
This study tests a flu vaccine given just under the skin (intradermal) to see how well it works. It may be a good option if you are a healthy young adult.
New Haven, ConnecticutAges 18–40 - NCT07396428Recruiting
Reducing antibiotic use for respiratory infections in Swiss primary care
This study tests whether following a national guideline for treating common respiratory infections (like colds, sore throats, or bronchitis) can help doctors in Switzerland prescribe fewer antibiotics. It focuses on primary care physicians and clinics in certain cantons who are willing to participate in surveys and interviews.
Lausanne, Canton of VaudAges Any age - NCT07357051RecruitingPhase 3
Flu treatment study for children ages 2 to 12
This trial tests a new oral medicine (JKN2301) for children with the flu. It aims to see if the medicine is safe and works well to treat flu symptoms like fever and cough.
Guangzhou, GuangdongAges 2–11 - NCT06333275Recruiting
Boosting immunity after CAR-T therapy
This trial checks if giving vaccines after CAR-T cell therapy can help your immune system fight off preventable diseases. It is for adults with certain blood cancers who are about to get CAR-T treatment.
BernAges 18 years+ - NCT07739446Enrolling by invitation
Do face masks help prevent catching the flu or COVID-19?
This trial looks at whether wearing surgical masks when out in public can reduce your chances of getting the flu or COVID-19. If you join, you'll be assigned by chance to either wear a mask outside for 3-4 months or not wear one, and you'll be tested if you get sick.
ChibaAges 20–49 - NCT05801978RecruitingPhase 4
How long a vaccine’s immune response lasts in adults
This study checks how long your body’s protection signals last after a vaccine. It may help researchers understand which vaccines give longer-lasting immune responses and who may need boosters.
Atlanta, GeorgiaAges 18–50
Hear when a new Influenza trial opens
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Common questions
- Are there clinical trials for influenza?
- Yes. Clin2 currently lists 107 recruiting influenza studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a influenza trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a influenza trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.