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ClinicalTrials.gov enrollment closed later-stage tilt small index

Influenza Prophylaxis: later-stage trial registry

A small indexed set (1 trial) with no open enrollment listed right now.

Corpus placement: #11,370 of 28,707 conditions by registered trial count.

1 US clinical trials · none currently recruiting · #11,370 of 28,707 conditions by registered trial count

Influenza Prophylaxis: 1 US clinical trial tracked, none currently recruiting.

Influenza Prophylaxis is the subject of 1 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 1 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is PharmaJet, running 1 of these trials.

Enrollment posture brief

Registry condition influenza-prophylaxis

OPEN 0 | RECR 0% | LATE 1 | EARLY 0 | RANK #11370 | SPON 1

Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Influenza Prophylaxis (this)0%
Open-enrollment share among volume-matched conditions near Influenza Prophylaxis

Influenza Prophylaxis has no open enrollment in this registry pull (1 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Influenza Prophylaxis 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.

  1. Influenza Prophylaxis is recruiting below its size-band peers.

    0 of 1 indexed trials (0%) 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.

Phase 41

Phase Distribution

PhaseTrial count
Phase 4 1

Top Sponsors

PharmaJet 1 trials

Named interventions

Most-linked intervention names on Influenza Prophylaxis records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

2011-2012 Fluzone trivalent inactivated influenza vaccine Biological
1 trials
Needle and Syringe Device
1 trials
Stratis Jet Injector Device
1 trials

US sites by state

Facility locations filed on Influenza Prophylaxis trials. A trial with sites in several states counts in each.

Colorado 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Influenza Prophylaxis page

1 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • No Influenza Prophylaxis trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • PharmaJet sponsors the most Influenza Prophylaxis trials on record, review their full trial history before evaluating a specific study. See PharmaJet'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 Prophylaxis condition card totals 1 registered trials; most-linked intervention 2011-2012 Fluzone trivalent inactivated influenza vaccine; top US site state Colorado. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.