Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
COVID-19 Vaccination clinical trials
1 of 3 indexed COVID-19 Vaccination trials are currently recruiting.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · 1 currently recruiting · #5,209 of 28,707 conditions by registered trial count
COVID-19 Vaccination: 3 US clinical trials tracked, 1 recruiting.
COVID-19 Vaccination is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. The most active sponsor is RAND, running 1 of these trials.
Enrollment posture brief
Registry condition covid-19-vaccination
OPEN 1 | RECR 33% | LATE 0 | EARLY 0 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
COVID-19 Vaccination lists 1 open slots (33% of 3 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 COVID-19 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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COVID-19 Vaccination is recruiting below its size-band peers.
1 of 3 indexed trials (33.3%) 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.
Open and recent trials
3 total, page 1 of 1
Community Care Intervention to Decrease COVID-19 Vaccination Inequities
RAND
NCT06156254
A Study to Learn About How Well Yearly Updates to the COVID-19 Vaccine Work to Protect People From COVID-19 and How Much Money People Spend on Healthcare for COVID-19
Pfizer
NCT06923137
Video Messages and Vaccination Intention
University of Southern California
NCT04979416
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on COVID-19 Vaccination records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on COVID-19 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 COVID-19 Vaccination page
3 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 COVID-19 Vaccination trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- RAND sponsors the most COVID-19 Vaccination trials on record, review their full trial history before evaluating a specific study. See RAND'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 COVID-19 Vaccination condition card totals 3 registered trials; most-linked intervention Video messages; 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.