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ClinicalTrials.gov enrollment closed later-stage tilt small index

Haemophilus Influenzae Serotype b (Hib): 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

Haemophilus Influenzae Serotype b (Hib): 1 US clinical trial tracked, none currently recruiting.

Haemophilus Influenzae Serotype b (Hib) 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 Sanofi Pasteur, a Sanofi Company, running 1 of these trials.

Enrollment posture brief

Registry condition haemophilus-influenzae-serotype-b-hib

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%Haemophilus Influenzae S (th…0%
Open-enrollment share among volume-matched conditions near Haemophilus Influenzae Serotype b (Hib)

Haemophilus Influenzae Serotype b (Hib) 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 Haemophilus Influenzae Serotype b (Hib) 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. Haemophilus Influenzae Serotype b (Hib) 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

Named interventions

Most-linked intervention names on Haemophilus Influenzae Serotype b (Hib) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus b Conjugate Biological
1 trials
Meningococcal polysaccharide diphtheria toxoid conjugate + Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed Biological
1 trials
Meningococcal polysaccharide diphtheria toxoid conjugate Biological
1 trials

US sites by state

Facility locations filed on Haemophilus Influenzae Serotype b (Hib) trials. A trial with sites in several states counts in each.

Missouri 1 trials
Massachusetts 1 trials
Louisiana 1 trials
Indiana 1 trials
Illinois 1 trials
Georgia 1 trials
Connecticut 1 trials
California 1 trials

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

What to do with this Haemophilus Influenzae Serotype b (Hib) page

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

  • No Haemophilus Influenzae Serotype b (Hib) 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 Haemophilus Influenzae Serotype b (Hib) 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 Haemophilus Influenzae Serotype b (Hib) condition card totals 1 registered trials; most-linked intervention Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus b Conjugate; top US site state Missouri. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.