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ClinicalTrials.gov 1 recruiting now later-stage tilt small index

Hypereosinophilia Syndrome (HES): later-stage trial registry

1 of 1 indexed Hypereosinophilia Syndrome (HES) trials are currently recruiting, with more weight in Phase 3-4.

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

1 US clinical trials · 1 currently recruiting · #11,370 of 28,707 conditions by registered trial count

Hypereosinophilia Syndrome (HES): 1 US clinical trial tracked, 1 recruiting.

Hypereosinophilia Syndrome (HES) is the subject of 1 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 AstraZeneca, running 1 of these trials.

Enrollment posture brief

Registry condition hypereosinophilia-syndrome-hes

OPEN 1 | RECR 100% | LATE 1 | EARLY 0 | RANK #11370 | SPON 1

Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)

Hypereosinophilia Syndro (th…100%Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%
Open-enrollment share among volume-matched conditions near Hypereosinophilia Syndrome (HES)

Hypereosinophilia Syndrome (HES) lists 1 open slots (100% of 1 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 Hypereosinophilia Syndrome (HES) 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. Hypereosinophilia Syndrome (HES) is recruiting above its size-band peers.

    1 of 1 indexed trials (100%) 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 31

Phase Distribution

PhaseTrial count
Phase 3 1

Top Sponsors

AstraZeneca 1 trials

Named interventions

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

Benralizumab Drug
1 trials

US sites by state

Facility locations filed on Hypereosinophilia Syndrome (HES) trials. A trial with sites in several states counts in each.

Ohio 1 trials
Colorado 1 trials

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

What to do with this Hypereosinophilia Syndrome (HES) page

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

  • 1 Hypereosinophilia Syndrome (HES) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • AstraZeneca sponsors the most Hypereosinophilia Syndrome (HES) trials on record, review their full trial history before evaluating a specific study. See AstraZeneca'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 Hypereosinophilia Syndrome (HES) condition card totals 1 registered trials; most-linked intervention Benralizumab; top US site state Ohio. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.