Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Chickenpox: full-pipeline trial registry
3 of 6 indexed Chickenpox trials are currently recruiting.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · 3 currently recruiting · #2,866 of 28,707 conditions by registered trial count
Chickenpox: 6 US clinical trials tracked, 3 recruiting.
Chickenpox is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 3 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is GlaxoSmithKline, running 3 of these trials.
Enrollment posture brief
Registry condition chickenpox
OPEN 3 | RECR 50% | LATE 3 | EARLY 2 | RANK #2866 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Achalasia (50% recruiting · 8 trials)
Chickenpox lists 3 open slots (50% of 6 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 Chickenpox 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.
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Chickenpox is recruiting above its size-band peers.
3 of 6 indexed trials (50%) 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.
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One sponsor concentrates Chickenpox research.
GlaxoSmithKline accounts for 3 of 6 trials (50%). 3 distinct sponsors appear on at least one study for this condition label.
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Typical Chickenpox enrolment sits around 750 participants.
Median target enrolment is 750 among the 6 trials that report a genuine target (sentinel values excluded). 3 of those (50%) plan for fewer than 100 participants.
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Chickenpox research is mostly interventional.
5 interventional and 1 observational studies make up this index (83.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
6 total, page 1 of 1
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age
GlaxoSmithKline
NCT06740630
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine and a Marketed Measles, Mumps and Rubella Vaccine When Administered as Intramuscular Injection to Healthy Children 12 to 15 Months of Age
GlaxoSmithKline
NCT06855160
A Study on the Safety of an Investigational Chickenpox Vaccine, When Given to Healthy Children, 12 to 15 Months of Age
GlaxoSmithKline
NCT06693895
Use of a Varicella-Zoster Virus (VZV) Vaccine to Prevent Shingles in HIV-Infected Children Who Have Already Had Chickenpox
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00001125
Systems Biology of Zoster Vaccine
Emory University
NCT04047979
Immune Response to Varicella-Zoster Vaccination and Infection
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00921999
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
| Phase 3 | 3 |
Top Sponsors
Named interventions
Most-linked intervention names on Chickenpox records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Chickenpox trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Chickenpox page
6 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Chickenpox trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- GlaxoSmithKline sponsors the most Chickenpox trials on record, review their full trial history before evaluating a specific study. See GlaxoSmithKline'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 Chickenpox condition card totals 6 registered trials; most-linked intervention PCV (pneumococcal conjugate vaccine) 13; top US site state Florida. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.