Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
RSV Infection: early-phase trial registry
3 of 9 indexed RSV Infection trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #1,916 of 28,707 conditions by registered trial count.
9 US clinical trials · 3 currently recruiting · #1,916 of 28,707 conditions by registered trial count
RSV Infection: 9 US clinical trials tracked, 3 recruiting.
RSV Infection is the subject of 9 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 4 in Phase 1-2 (earlier-stage). The most active sponsor is Enanta Pharmaceuticals, running 3 of these trials.
Enrollment posture brief
Registry condition rsv-infection
OPEN 3 | RECR 33% | LATE 2 | EARLY 4 | RANK #1916 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
RSV Infection lists 3 open slots (33% of 9 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 RSV Infection 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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RSV Infection is recruiting below its size-band peers.
3 of 9 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.
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One sponsor concentrates RSV Infection research.
Enanta Pharmaceuticals accounts for 3 of 9 trials (33.3%). 7 distinct sponsors appear on at least one study for this condition label.
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Typical RSV Infection enrolment sits around 160 participants.
Median target enrolment is 160 among the 9 trials that report a genuine target (sentinel values excluded). 4 of those (44.4%) plan for fewer than 100 participants.
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RSV Infection splits between interventional and observational designs.
6 interventional and 3 observational studies make up this index (66.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
9 total, page 1 of 1
Real-World Effectiveness of Perinatal RSV Immunoprophylaxis
Yale University
NCT06172660
A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose
Pfizer
NCT06866405
Safety and Immunogenicity Study of Revaccination With SCB-1019T in Healthy Adults
Clover Biopharmaceuticals USA
NCT06843317
SARS-CoV-2/COVID-19 Study of Next Generation Non-Invasive Passive Detection Technologies
The Geneva Foundation
NCT05765396
Clesrovimab (MK-1654) in Infants and Children at Increased Risk for Severe Respiratory Syncytial Virus (RSV) Disease (MK-1654-007)
Merck Sharp & Dohme
NCT04938830
A Study of EDP-323 in Healthy Subjects
Enanta Pharmaceuticals
NCT05587478
Exhaled Nitric Oxide in Respiratory Syncytial Virus (RSV) Bronchiolitis: a Pilot Study
Winthrop University Hospital
NCT01090557
A Drug-Drug Interaction Study to Evaluate the Effects of Itraconazole, Carbamazepine, Quinidine and Fluconazole on the Pharmacokinetics and Safety of EDP-323.
Enanta Pharmaceuticals
NCT06847464
A Study to Evaluate the Drug-Drug Interaction of EDP-323 With Midazolam, Caffeine, and Rosuvastatin in Healthy Participants
Enanta Pharmaceuticals
NCT06917508
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 4 |
| Phase 3 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on RSV Infection records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on RSV Infection 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 RSV Infection page
9 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 RSV Infection trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Enanta Pharmaceuticals sponsors the most RSV Infection trials on record, review their full trial history before evaluating a specific study. See Enanta Pharmaceuticals'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 RSV Infection condition card totals 9 registered trials; most-linked intervention EDP-323; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.