Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Influenza a: early-phase trial registry
1 of 11 indexed Influenza a trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #1,577 of 28,707 conditions by registered trial count.
11 US clinical trials · 1 currently recruiting · #1,577 of 28,707 conditions by registered trial count
Influenza a: 11 US clinical trials tracked, 1 recruiting.
Influenza a is the subject of 11 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 4 in Phase 1-2 (earlier-stage). The most active sponsor is Evidation Health, running 2 of these trials.
Enrollment posture brief
Registry condition influenza-a
OPEN 1 | RECR 9% | LATE 1 | EARLY 4 | RANK #1577 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Advanced Cancers (9% recruiting · 11 trials)
Influenza a lists 1 open slots (9% of 11 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 a 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 a is recruiting below its size-band peers.
1 of 11 indexed trials (9.1%) 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 a research.
Evidation Health accounts for 2 of 11 trials (18.2%). 9 distinct sponsors appear on at least one study for this condition label.
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Typical Influenza a enrolment sits around 405 participants.
Median target enrolment is 405 among the 11 trials that report a genuine target (sentinel values excluded). 3 of those (27.3%) plan for fewer than 100 participants.
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Influenza a splits between interventional and observational designs.
7 interventional and 4 observational studies make up this index (63.6% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
11 total, page 1 of 1
A Multi-Site Clinical Evaluation of the LIAISON NES FLU A/B, RSV & COVID-19 Assay in Symptomatic Patients
DiaSorin Molecular
NCT06672692
A Phase I/II Study on Safety AND Immunogenicity of AZD4117 and AZD5315 Vaccines (PANDA)
AstraZeneca
NCT07128615
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
Home Testing of Respiratory Illness
Evidation Health
NCT04245800
Detection of Influenza A, Influenza B, and RSV Using the Liat™ Assays on the Liat™ Analyzer
IQuum
NCT02067286
Clinical Evaluation of the Panbio™ COVID-19/Flu A&B Panel
Abbott Rapid Dx
NCT06127108
Evaluating the Safety and Efficacy of Anti-Influenza Intravenous Hyperimmune Immunoglobulin (IVIG) in Adults Hospitalized With Influenza
National Institute of Allergy and Infectious Diseases (NIAID)
NCT02287467
Safety and Immunogenicity of the Bris10 M2SR and Sing2016 M2SR H3N2 Monovalent Influenza Vaccines
FluGen
NCT03999554
Study of Efficacy and Safety of IV VIS410 Plus Oseltamivir Versus Oseltamivir in Hospitalized Adults With Influenza A
Visterra
NCT03040141
Safety and Immunogenicity of Live Influenza A Vaccine for Avian Influenza H7N7
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00922259
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 | 1 |
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Influenza a records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Influenza a 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 a page
11 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Influenza a trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Evidation Health sponsors the most Influenza a trials on record, review their full trial history before evaluating a specific study. See Evidation Health'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 a condition card totals 11 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.