Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

ClinicalTrials.gov enrollment closed full pipeline small index

Meningococcal Meningitis: full-pipeline trial registry

A small indexed set (5 trials) with no open enrollment listed right now.

Corpus placement: #3,391 of 28,707 conditions by registered trial count.

5 US clinical trials · none currently recruiting · #3,391 of 28,707 conditions by registered trial count

Meningococcal Meningitis: 5 US clinical trials tracked, none currently recruiting.

Meningococcal Meningitis is the subject of 5 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 3 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Sanofi Pasteur, a Sanofi Company, running 3 of these trials.

Enrollment posture brief

Registry condition meningococcal-meningitis

OPEN 0 | RECR 0% | LATE 3 | EARLY 2 | RANK #3391 | SPON 3

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

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Meningococcal Meningitis (th…0%
Open-enrollment share among volume-matched conditions near Meningococcal Meningitis

Meningococcal Meningitis has no open enrollment in this registry pull (5 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 Meningococcal Meningitis 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. Meningococcal Meningitis is recruiting below its size-band peers.

    0 of 5 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.

  2. One sponsor concentrates Meningococcal Meningitis research.

    Sanofi Pasteur, a Sanofi Company accounts for 3 of 5 trials (60%). 3 distinct sponsors appear on at least one study for this condition label.

  3. Typical Meningococcal Meningitis enrolment sits around 801 participants.

    Median target enrolment is 801 among the 5 trials that report a genuine target (sentinel values excluded). 0 of those (0%) plan for fewer than 100 participants.

  4. Meningococcal Meningitis research is mostly interventional.

    5 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 11Phase 21Phase 32Phase 41

Phase Distribution

PhaseTrial count
Phase 1 1
Phase 2 1
Phase 3 2
Phase 4 1

Top Sponsors

Novartis 1 trials
Sanofi 1 trials

Named interventions

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

Menactra®: Meningococcal (A, C, Y and W 135) Polysaccharide Diphtheria Toxoid Conjugate Biological
1 trials
Menomune®: A, C, Y, W 135 Meningococcal Polysaccharide Biological
1 trials
Meningococcal (Groups A, C, Y and W 135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine Biological
1 trials
Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Biological
1 trials
MenACWY-CRM Conjugate Vaccine + Combined Tetanus, Reduced Diphtheria Toxoid, Acellular Pertussis Vaccine + Quadrivalent Human Papillomavirus Vaccine Biological
1 trials
Placebo + Combined Tetanus, Reduced Diphtheria Toxoid, Acellular Pertussis Vaccine + Quadrivalent Human Papillomavirus Vaccine Biological
1 trials
Meningococcal (Groups A, C, Y and W 135) Polysaccharide Diphtheria Toxoid Conjugate Vaccine Biological
1 trials
Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine Biological
1 trials

US sites by state

Facility locations filed on Meningococcal Meningitis trials. A trial with sites in several states counts in each.

Kentucky 4 trials
Arizona 4 trials
Ohio 3 trials
Nebraska 3 trials
Massachusetts 3 trials
California 3 trials
Alabama 3 trials
Washington 2 trials

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

What to do with this Meningococcal Meningitis page

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

  • No Meningococcal Meningitis trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Sanofi Pasteur, a Sanofi Company sponsors the most Meningococcal Meningitis trials on record, review their full trial history before evaluating a specific study. See Sanofi Pasteur, a Sanofi Company'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 Meningococcal Meningitis condition card totals 5 registered trials; most-linked intervention Menactra®: Meningococcal (A, C, Y and W 135) Polysaccharide Diphtheria Toxoid Conjugate; top US site state Kentucky. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.