Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Vaccination: later-stage trial registry
4 of 13 indexed Vaccination trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #1,315 of 28,707 conditions by registered trial count.
13 US clinical trials · 4 currently recruiting · #1,315 of 28,707 conditions by registered trial count
Vaccination: 13 US clinical trials tracked, 4 recruiting.
Vaccination is the subject of 13 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is Columbia University, running 3 of these trials.
Enrollment posture brief
Registry condition vaccination
OPEN 4 | RECR 31% | LATE 2 | EARLY 0 | RANK #1315 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Acute Decompensated Heart Failure (31% recruiting · 13 trials)
Vaccination lists 4 open slots (31% of 13 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 Vaccination 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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Vaccination is recruiting below its size-band peers.
4 of 13 indexed trials (30.8%) 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 Vaccination research.
Columbia University accounts for 3 of 13 trials (23.1%). 9 distinct sponsors appear on at least one study for this condition label.
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Typical Vaccination enrolment sits around 1,100 participants.
Median target enrolment is 1,100 among the 13 trials that report a genuine target (sentinel values excluded). 3 of those (23.1%) plan for fewer than 100 participants.
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Vaccination research is mostly interventional.
12 interventional and 1 observational studies make up this index (92.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
13 total, page 1 of 1
Can Stories Encourage the Elderly to Vaccinate? Combining Viewer-tailored Personal Narrative Videos With Informational Videos to Improve Vaccine Uptake Among Older Adults
Johns Hopkins Bloomberg School of Public Health
NCT06890403
Vaccine Responses to SARS-CoV-2 and Other Emerging Infectious Diseases
National Institute of Allergy and Infectious Diseases (NIAID)
NCT05078905
"Facts Tell… and With Stories Sell?" Combining Viewer-tailored Personal Human Papillomavirus (HPV) Narrative Video With HPV Vaccine Information Video to Improve HPV Vaccine Uptake
Johns Hopkins Bloomberg School of Public Health
NCT06587243
ARISe at UMass Chan
University of Massachusetts, Worcester
NCT07236034
Kaiser Colorado Flu Nudge
Kaiser Permanente
NCT07372950
Effect of Electronic and Mail Outreach From Primary Care Physicians for COVID-19 Vaccination Among Elderly Patients
Kaiser Permanente
NCT05096026
Text Message Reminder-Recalls For Early Childhood Vaccination
Columbia University
NCT01199666
P3+ Intervention Phase
Emory University
NCT02898688
Text Message Vaccine Reminders for Adolescents With Chronic Medical Conditions
Columbia University
NCT02231957
Influenza Vaccine Randomized Educational Trial: Adult
Columbia University
NCT02907645
The STOP-HPV Trial 2: Performance Feedback Intervention
University of California, Los Angeles
NCT03599570
Special Access Program IMVAMUNE®
Bavarian Nordic
NCT03472014
PFAS Exposure and Immune Response to Vaccination in Adults
Rutgers, The State University of New Jersey
NCT06588530
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Vaccination records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Vaccination 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 Vaccination page
13 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 4 Vaccination trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Columbia University sponsors the most Vaccination trials on record, review their full trial history before evaluating a specific study. See Columbia University'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 Vaccination condition card totals 13 registered trials; most-linked intervention Personal Narrative Video; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.