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ClinicalTrials.gov 2 recruiting now early-phase tilt small index

Recurrent Head and Neck Cancer: early-phase trial registry

2 of 5 indexed Recurrent Head and Neck Cancer trials are currently recruiting, with more weight in Phase 1-2.

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

5 US clinical trials · 2 currently recruiting · #3,391 of 28,707 conditions by registered trial count

Recurrent Head and Neck Cancer: 5 US clinical trials tracked, 2 recruiting.

Recurrent Head and Neck Cancer is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 4 in Phase 1-2 (earlier-stage). The most active sponsor is PDS Biotechnology, running 2 of these trials.

Enrollment posture brief

Registry condition recurrent-head-and-neck-cancer

OPEN 2 | RECR 40% | LATE 1 | EARLY 4 | RANK #3391 | SPON 2

Nearest open-share peer: Achondroplasia (40% recruiting · 10 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Recurrent Head and Neck (th…40%
Open-enrollment share among volume-matched conditions near Recurrent Head and Neck Cancer

Recurrent Head and Neck Cancer lists 2 open slots (40% 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 Recurrent Head and Neck Cancer 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. Recurrent Head and Neck Cancer is recruiting below its size-band peers.

    2 of 5 indexed trials (40%) 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 Recurrent Head and Neck Cancer research.

    PDS Biotechnology accounts for 2 of 5 trials (40%). 4 distinct sponsors appear on at least one study for this condition label.

  3. Most Recurrent Head and Neck Cancer trials plan to enrol fewer than 100 people.

    Median target enrolment is 95 among the 5 trials that report a genuine target (sentinel values excluded). 3 of those (60%) plan for fewer than 100 participants.

  4. Recurrent Head and Neck Cancer 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 24Phase 31

Phase Distribution

PhaseTrial count
Phase 2 4
Phase 3 1

Named interventions

Most-linked intervention names on Recurrent Head and Neck Cancer records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Pembrolizumab (KEYTRUDA®) and PDS0101 Combination
1 trials
Combination Treatment of PDS0101 and Pembrolizumab Combination
1 trials
Pembrolizumab Monotherapy Drug
1 trials
NAI Biological
1 trials
PD-L1 t-haNK Biological
1 trials
BNT113 Biological
1 trials
Ramucirumab Drug
1 trials
Cetuximab Drug
1 trials

US sites by state

Facility locations filed on Recurrent Head and Neck Cancer trials. A trial with sites in several states counts in each.

Ohio 3 trials
Kentucky 3 trials
Florida 3 trials
California 3 trials
Texas 2 trials
Pennsylvania 2 trials
North Carolina 2 trials
Minnesota 2 trials

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

What to do with this Recurrent Head and Neck Cancer page

5 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 2 Recurrent Head and Neck Cancer trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • PDS Biotechnology sponsors the most Recurrent Head and Neck Cancer trials on record, review their full trial history before evaluating a specific study. See PDS Biotechnology'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 Recurrent Head and Neck Cancer condition card totals 5 registered trials; most-linked intervention Pembrolizumab (KEYTRUDA®) and PDS0101; top US site state Ohio. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.