Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Influenza B: later-stage trial registry
1 of 5 indexed Influenza B trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #3,391 of 28,707 conditions by registered trial count.
5 US clinical trials · 1 currently recruiting · #3,391 of 28,707 conditions by registered trial count
Influenza B: 5 US clinical trials tracked, 1 recruiting.
Influenza B is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is IQuum, running 1 of these trials.
Enrollment posture brief
Registry condition influenza-b
OPEN 1 | RECR 20% | LATE 1 | EARLY 0 | RANK #3391 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive (20% recruiting · 10 trials)
Influenza B lists 1 open slots (20% of 5 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 B 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 B is recruiting below its size-band peers.
1 of 5 indexed trials (20%) 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 B research.
IQuum accounts for 1 of 5 trials (20%). 5 distinct sponsors appear on at least one study for this condition label.
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Typical Influenza B enrolment sits around 1,000 participants.
Median target enrolment is 1,000 among the 5 trials that report a genuine target (sentinel values excluded). 0 of those (0%) plan for fewer than 100 participants.
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Influenza B splits between interventional and observational designs.
3 interventional and 2 observational studies make up this index (60% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
5 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
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
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
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Influenza B records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Influenza B 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 B page
5 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Influenza B trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- IQuum sponsors the most Influenza B trials on record, review their full trial history before evaluating a specific study. See IQuum'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 B condition card totals 5 registered trials; most-linked intervention Panbio™; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.