Influenza, Human Clinical Trials

9 recruitingLast updated: May 21, 2026

There are 9 actively recruiting influenza, human clinical trials across 11 countries. Studies span Phase 1, Phase 2, Phase 3, Phase 4. Top locations include Philadelphia, Pennsylvania, United States, Barcelona, Spain, Bydgoszcz, Poland. Updated daily from ClinicalTrials.gov.


Influenza, Human Trials at a Glance

9 actively recruiting trials for influenza, human are listed on ClinicalTrialsFinder across 6 cities in 11 countries. The largest study group is Phase 1 with 4 trials, with the heaviest enrollment activity in Philadelphia, Barcelona, and Bydgoszcz. Lead sponsors running influenza, human studies include GlaxoSmithKline, University of Pennsylvania, and Jiangxi Qingfeng Pharmaceutical Co. Ltd..

Browse influenza, human trials by phase

About Influenza, Human Clinical Trials

Looking for clinical trials for Influenza, Human? There are currently 8 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Influenza, Human trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Influenza, Human clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 19 of 9 trials

Recruiting
Phase 1Phase 2

Clinical Trials of Quadrivalent Influenza Vaccine

Influenza, Human
Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd.620 enrolled1 locationNCT06824519
Recruiting
Phase 2

A Phase 2 Trial Comparing Antiviral Treatments in Early Symptomatic Influenza

InfluenzaInfluenza, Human
University of Oxford3,000 enrolled4 locationsNCT05648448
Recruiting
Phase 1

A Study on the Safety and Immune Response of Investigational mRNA Seasonal Flu/COVID-19 Combination Vaccine in Adults

Influenza, Human+COVID-19
GlaxoSmithKline225 enrolled2 locationsNCT07464314
Recruiting

Flu Infection at UPHS

Influenza, Human
University of Pennsylvania50 enrolled1 locationNCT06807840
Recruiting
Phase 4

Characterization of Humoral and Cellular Immune Responses Elicited by Influenza Vaccination in Healthy Adults

Influenza, Human
University of Pennsylvania700 enrolled1 locationNCT05108818
Recruiting
Phase 1

Covid-19 and Influenza Oral Vaccine Study

Influenza, Humancovid19 Infection
Vaxine Pty Ltd100 enrolled1 locationNCT06355232
Recruiting
Phase 1Phase 2

Study on Safety and Efficacy of Two Doses of PRS CK STORM in the Modulation of the Cytokine Storm for the Treatment of Acute Respiratory Distress Syndrome (ARDS) Caused by SARS-Cov-2, Influenza A, Influenza B and Respiratory Syncytial Virus (RSV)

SARS CoV-2Respiratory distress syndromeInfluenza, Human+1 more
PEACHES BIOTECH50 enrolled1 locationNCT06684379
Recruiting
Phase 2

An Intravenous (IV) Zanamivir Pharmacokinetics (PK) Study in Hospitalized Neonates and Infants With Influenza Infection

ArthralgiaInfluenza, Human
GlaxoSmithKline12 enrolled9 locationsNCT04494412
Recruiting
Phase 3

Study of GP681 Tablets Compared With Placebo in Patients With Influenza at High Risk of Influenza Complications

Influenza, Human
Jiangxi Qingfeng Pharmaceutical Co. Ltd.328 enrolled1 locationNCT06573008