Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Influenza, Human: full-pipeline trial registry
3 of 19 indexed Influenza, Human trials are currently recruiting.
Corpus placement: #902 of 28,707 conditions by registered trial count.
19 US clinical trials · 3 currently recruiting · #902 of 28,707 conditions by registered trial count
Influenza, Human: 19 US clinical trials tracked, 3 recruiting.
Influenza, Human is the subject of 19 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 8 are in Phase 3-4 (later-stage) and 6 in Phase 1-2 (earlier-stage). The most active sponsor is GlaxoSmithKline, running 5 of these trials.
Enrollment posture brief
Registry condition influenza-human
OPEN 3 | RECR 16% | LATE 8 | EARLY 6 | RANK #902 | SPON 5
Volume-matched condition peers
Nearest open-share peer: Bacterial Infections (16% recruiting · 19 trials)
Influenza, Human lists 3 open slots (16% of 19 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Influenza, Human on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Influenza, Human is recruiting below its size-band peers.
3 of 19 indexed trials (15.8%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Influenza, Human research.
GlaxoSmithKline accounts for 5 of 19 trials (26.3%). 11 distinct sponsors appear on at least one study for this condition label.
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Typical Influenza, Human enrolment sits around 626 participants.
Median target enrolment is 626 among the 19 trials that report a genuine target (sentinel values excluded). 5 of those (26.3%) plan for fewer than 100 participants.
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Influenza, Human research is mostly interventional.
16 interventional and 3 observational studies make up this index (84.2% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
19 total, page 1 of 1
A Study to Evaluate the Immune Response and Safety of an Influenza Vaccine in Adults 18 Years of Age and Above
GlaxoSmithKline
NCT07204964
Characterization of Humoral and Cellular Immune Responses Elicited by Influenza Vaccination in Healthy Adults
University of Pennsylvania
NCT05108818
Flu Infection at UPHS
University of Pennsylvania
NCT06807840
A Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of an Adjuvanted Influenza Vaccine Compared to a Non-adjuvanted Influenza Vaccine in Adults ≥65 Years of Age
Seqirus
NCT06087640
A Study to Assess the Immune Response and Safety of a Vaccine Against Influenza in Adults 18 Years of Age and Older
GlaxoSmithKline
NCT07121192
Mail Outreach To Increase Vaccination Acceptance Through Engagement
Brigham and Women's Hospital
NCT02243774
Wearable Assisted Viral Evidence (WAVE) Study A Decentralized, Prospective Study Exploring the Relationship Between Passively-collected Data From Wearable Activity Devices and Respiratory Viral Infections
Evidation Health
NCT06207929
A Study to Evaluate the Immunogenicity and Safety of Seqirus Quadrivalent Influenza Vaccine (QIV) in a Pediatric Population 6 Months Through 59 Months of Age.
Seqirus
NCT02914275
A Clinical Study to Evaluate the Immunogenicity and Safety of an Adjuvanted Quadrivalent Influenza Vaccine Compared With a Licensed Quadrivalent Vaccine in Adults 50 to 64 Years of Age
Seqirus
NCT05044195
A Study to Evaluate the Safety, Tolerability, and Immunogenicity of Combined Modified RNA Vaccine Candidates Against COVID-19 and Influenza
BioNTech SE
NCT05596734
A Study of Intravenous Zanamivir Versus Oral Oseltamivir in Adults and Adolescents Hospitalized With Influenza
GlaxoSmithKline
NCT01231620
Immunologic Response to FluMist vs. Flucelvax
Richard Zimmerman MD
NCT03982069
A Study To Learn About The Study Vaccine (Called Self-Amplifying Ribonucleic Acid (RNA)) For The Prevention of Influenza
Pfizer
NCT05227001
A Study to Evaluate the Safety and Tolerability of Trivalent Influenza Virus Vaccine in Children Aged 5 Years to < 9 Years
Seqirus
NCT02212106
A Study of Oseltamivir (Tamiflu) for Treatment of Influenza in Immunocompromised Participants.
Hoffmann-La Roche
NCT00545532
A Study to Evaluate the Effect of Intravenous Zanamivir on Cardiac Conduction in Healthy Volunteers
GlaxoSmithKline
NCT01353729
Resistance Exercise to Improve Flu Vaccine for Older Adults
University of Houston
NCT03736759
A Study to Evaluate the Bioequivalence of Over-encapsulated Oseltamivir Capsules to Marketed Oseltamivir Capsules in Healthy Volunteers
GlaxoSmithKline
NCT01258530
Kinetics of the Immune Response to Inactivated Influenza Vaccine in Healthy Adults
Vanderbilt University Medical Center
NCT03743688
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 3 |
| Phase 2 | 3 |
| Phase 3 | 5 |
| Phase 4 | 3 |
Top Sponsors
Named interventions
Most-linked intervention names on Influenza, Human records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Influenza, Human trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Influenza, Human page
19 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Influenza, Human trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- GlaxoSmithKline sponsors the most Influenza, Human trials on record, review their full trial history before evaluating a specific study. See GlaxoSmithKline's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Influenza, Human condition card totals 19 registered trials; most-linked intervention oseltamivir; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.